def __call__(self, env, start_response):
"""WSGI "app" method
Makes instances of API callable by any WSGI server. See also PEP 333.
Args:
env: A WSGI environment dictionary
start_response: A WSGI helper method for setting status and headers
on a response.
"""
req = Request(env)
resp = Response()
responder, params, na_responder = self._get_responder(
req.path, req.method)
try:
responder(req, resp, **params)
except HTTPError as ex:
resp.status = ex.status
if ex.headers is not None:
resp.set_headers(ex.headers)
if req.client_accepts('application/json'):
resp.body = ex.json()
#
# Set status and headers
#
use_body = not helpers.should_ignore_body(resp.status, req.method)
if use_body:
helpers.set_content_length(resp)
body = helpers.get_body(resp)
else:
# Default: return an empty body
body = []
# Set content type if needed
use_content_type = (body or
req.method == 'HEAD' or
resp.status == HTTP_416)
if use_content_type:
media_type = self._media_type
else:
media_type = None
headers = resp._wsgi_headers(media_type)
# Return the response per the WSGI spec
start_response(resp.status, headers)
return body
def test_default_request_context(self):
env = testing.create_environ()
req = Request(env)
req.context.hello = 'World'
assert req.context.hello == 'World'
assert req.context['hello'] == 'World'
req.context['note'] = 'Default Request.context_type used to be dict.'
assert 'note' in req.context
assert hasattr(req.context, 'note')
assert req.context.get('note') == req.context['note']
def before(self):
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Host': 'falcon.example.com',
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.app = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.uri = 'http://falcon.example.com' + self.app + self.relative_uri
self.uri_noqs = 'http://falcon.example.com' + self.app + self.path
self.req = Request(testing.create_environ(
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
self.req_noqs = Request(testing.create_environ(
app=self.app,
path='/hello',
headers=self.headers))
class TestReqVars(helpers.TestSuite):
def prepare(self):
qs = '?marker=deadbeef&limit=10'
headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829'
}
self.req = Request(helpers.create_environ(script='/test',
path='/hello',
query_string=qs,
headers=headers))
def test_reconstruct_url(self):
req = self.req
scheme = req.protocol
host = req.get_header('host')
app = req.app
path = req.path
query_string = req.query_string
expected_url = 'http://falconer/test/hello?marker=deadbeef&limit=10'
actual_url = ''.join([scheme, '://', host, app, path, query_string])
self.assertEquals(actual_url, expected_url)
def test_method(self):
self.assertEquals(self.req.method, 'GET')
self.req = Request(helpers.create_environ(path='', method='HEAD'))
self.assertEquals(self.req.method, 'HEAD')
def test_empty_path(self):
self.req = Request(helpers.create_environ(path=''))
self.assertEquals(self.req.path, '/')
def test_content_type(self):
self.assertEquals(self.req.get_header('content-type'), 'text/plain')
def test_content_length(self):
self.assertEquals(self.req.get_header('content-length'), '4829')
def prepare(self):
qs = '?marker=deadbeef&limit=10'
headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829'
}
self.req = Request(helpers.create_environ(script='/test',
path='/hello',
query_string=qs,
headers=headers))
def prepare(self):
qs = '?marker=deadbeef&limit=10'
headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829',
}
self.url = 'http://falconer/test/hello?marker=deadbeef&limit=10'
self.req = Request(testing.create_environ(script='/test',
path='/hello',
query_string=qs,
headers=headers))
def test_client_prefers(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xml'])
self.assertEqual(preferred_type, 'application/xml')
headers = {'Accept': '*/*'}
preferred_type = req.client_prefers(('application/xml',
'application/json'))
# NOTE(kgriffs): If client doesn't care, "prefer" the first one
self.assertEqual(preferred_type, 'application/xml')
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
self.assertEqual(preferred_type, 'application/xhtml+xml')
headers = {'Accept': '3p12845j;;;asfd;'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
self.assertEqual(preferred_type, None)
def setup_method(self, method):
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.app = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.req = Request(testing.create_environ(
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
self.req_noqs = Request(testing.create_environ(
app=self.app,
path='/hello',
headers=self.headers))
def test_method(self):
assert self.req.method == 'GET'
self.req = Request(testing.create_environ(path='', method='HEAD'))
assert self.req.method == 'HEAD'
class TestRequestAttributes:
def setup_method(self, method):
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.app = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.req = Request(testing.create_environ(
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
self.req_noqs = Request(testing.create_environ(
app=self.app,
path='/hello',
headers=self.headers))
def test_missing_qs(self):
env = testing.create_environ()
if 'QUERY_STRING' in env:
del env['QUERY_STRING']
# Should not cause an exception when Request is instantiated
Request(env)
def test_empty(self):
assert self.req.auth is None
def test_host(self):
assert self.req.host == testing.DEFAULT_HOST
def test_subdomain(self):
req = Request(testing.create_environ(
host='com',
path='/hello',
headers=self.headers))
assert req.subdomain is None
req = Request(testing.create_environ(
host='example.com',
path='/hello',
headers=self.headers))
assert req.subdomain == 'example'
req = Request(testing.create_environ(
host='highwire.example.com',
path='/hello',
headers=self.headers))
assert req.subdomain == 'highwire'
req = Request(testing.create_environ(
host='lb01.dfw01.example.com',
port=8080,
path='/hello',
headers=self.headers))
assert req.subdomain == 'lb01'
# NOTE(kgriffs): Behavior for IP addresses is undefined,
# so just make sure it doesn't blow up.
req = Request(testing.create_environ(
host='127.0.0.1',
path='/hello',
headers=self.headers))
assert type(req.subdomain) == str
# NOTE(kgriffs): Test fallback to SERVER_NAME by using
# HTTP 1.0, which will cause .create_environ to not set
# HTTP_HOST.
req = Request(testing.create_environ(
protocol='HTTP/1.0',
host='example.com',
path='/hello',
headers=self.headers))
assert req.subdomain == 'example'
def test_reconstruct_url(self):
req = self.req
scheme = req.scheme
host = req.get_header('host')
app = req.app
path = req.path
query_string = req.query_string
expected_prefix = ''.join([scheme, '://', host, app])
expected_uri = ''.join([expected_prefix, path, '?', query_string])
assert req.uri == expected_uri
assert req.prefix == expected_prefix
assert req.prefix == expected_prefix # Check cached value
@pytest.mark.parametrize('test_path', [
'/hello_\u043f\u0440\u0438\u0432\u0435\u0442',
'/test/%E5%BB%B6%E5%AE%89',
'/test/%C3%A4%C3%B6%C3%BC%C3%9F%E2%82%AC',
])
def test_nonlatin_path(self, test_path):
# NOTE(kgriffs): When a request comes in, web servers decode
# the path. The decoded path may contain UTF-8 characters,
# but according to the WSGI spec, no strings can contain chars
# outside ISO-8859-1. Therefore, to reconcile the URI
# encoding standard that allows UTF-8 with the WSGI spec
# that does not, WSGI servers tunnel the string via
# ISO-8859-1. falcon.testing.create_environ() mimics this
# behavior, e.g.:
#
# tunnelled_path = path.encode('utf-8').decode('iso-8859-1')
#
# falcon.Request does the following to reverse the process:
#
# path = tunnelled_path.encode('iso-8859-1').decode('utf-8', 'replace')
#
req = Request(testing.create_environ(
host='com',
path=test_path,
headers=self.headers))
assert req.path == falcon.uri.decode(test_path)
def test_uri(self):
prefix = 'http://' + testing.DEFAULT_HOST + ':8080' + self.app
uri = prefix + self.relative_uri
assert self.req.url == uri
assert self.req.prefix == prefix
# NOTE(kgriffs): Call twice to check caching works
assert self.req.uri == uri
assert self.req.uri == uri
uri_noqs = ('http://' + testing.DEFAULT_HOST + self.app + self.path)
assert self.req_noqs.uri == uri_noqs
def test_uri_https(self):
# =======================================================
# Default port, implicit
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https'))
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
assert req.uri == uri
# =======================================================
# Default port, explicit
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https', port=443))
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
assert req.uri == uri
# =======================================================
# Non-default port
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https', port=22))
uri = ('https://' + testing.DEFAULT_HOST + ':22/hello')
assert req.uri == uri
def test_uri_http_1_0(self):
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=80,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST + ':8080' +
self.app + self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=443,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=22,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST + ':22' +
self.app + self.relative_uri)
assert req.uri == uri
def test_relative_uri(self):
assert self.req.relative_uri == self.app + self.relative_uri
assert self.req_noqs.relative_uri == self.app + self.path
req_noapp = Request(testing.create_environ(
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req_noapp.relative_uri == self.relative_uri
req_noapp = Request(testing.create_environ(
path='/hello/',
query_string=self.qs,
headers=self.headers))
relative_trailing_uri = self.path + '/?' + self.qs
# NOTE(kgriffs): Call twice to check caching works
assert req_noapp.relative_uri == relative_trailing_uri
assert req_noapp.relative_uri == relative_trailing_uri
options = RequestOptions()
options.strip_url_path_trailing_slash = False
req_noapp = Request(testing.create_environ(
path='/hello/',
query_string=self.qs,
headers=self.headers),
options=options)
assert req_noapp.relative_uri == '/hello/' + '?' + self.qs
def test_client_accepts(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/xml')
headers = {'Accept': '*/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/xml')
assert req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('application/xml')
assert not req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
headers = {} # NOTE(kgriffs): Equivalent to '*/*' per RFC
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/xml')
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('application/xml')
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'application/xm'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('application/xml')
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/json')
assert req.client_accepts('application/xml')
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'text/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('text/csv')
assert not req.client_accepts('application/xhtml+xml')
headers = {'Accept': 'text/*, application/xhtml+xml; q=0.0'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('text/csv')
assert not req.client_accepts('application/xhtml+xml')
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('application/xhtml+xml')
headers = {'Accept': 'text/*, application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('application/xml')
assert req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'text/*,application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('application/xml')
assert req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
def test_client_accepts_bogus(self):
headers = {'Accept': '~'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('text/plain')
assert not req.client_accepts('application/json')
def test_client_accepts_props(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts_xml
assert not req.client_accepts_json
assert not req.client_accepts_msgpack
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts_xml
assert req.client_accepts_json
assert req.client_accepts_msgpack
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts_xml
assert req.client_accepts_json
assert not req.client_accepts_msgpack
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts_xml
assert not req.client_accepts_json
assert req.client_accepts_msgpack
headers = {'Accept': 'application/msgpack'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts_xml
assert not req.client_accepts_json
assert req.client_accepts_msgpack
headers = {
'Accept': 'application/json,application/xml,application/x-msgpack'
}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts_xml
assert req.client_accepts_json
assert req.client_accepts_msgpack
def test_client_prefers(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xml'])
assert preferred_type == 'application/xml'
headers = {'Accept': '*/*'}
preferred_type = req.client_prefers(('application/xml',
'application/json'))
# NOTE(kgriffs): If client doesn't care, "prefer" the first one
assert preferred_type == 'application/xml'
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
assert preferred_type == 'application/xhtml+xml'
headers = {'Accept': '3p12845j;;;asfd;'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
assert preferred_type is None
def test_range(self):
headers = {'Range': 'bytes=10-'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, -1)
headers = {'Range': 'bytes=10-20'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, 20)
headers = {'Range': 'bytes=-10240'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (-10240, -1)
headers = {'Range': 'bytes=0-2'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (0, 2)
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPInvalidHeader):
req.range
req = Request(testing.create_environ())
assert req.range is None
def test_range_unit(self):
headers = {'Range': 'bytes=10-'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, -1)
assert req.range_unit == 'bytes'
headers = {'Range': 'items=10-'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, -1)
assert req.range_unit == 'items'
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPInvalidHeader):
req.range_unit
req = Request(testing.create_environ())
assert req.range_unit is None
def test_range_invalid(self):
headers = {'Range': 'bytes=10240'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-'}
expected_desc = ('The value provided for the Range header is '
'invalid. The range offsets are missing.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=--'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-3-'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-3-4'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3-4'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3-'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3- '}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=fizbit'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=a-'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=a-3'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-b'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-b'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=x-y'}
expected_desc = ('The value provided for the Range header is '
'invalid. It must be a range formatted '
'according to RFC 7233.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=0-0,-1'}
expected_desc = ('The value provided for the Range '
'header is invalid. The value must be a '
'continuous range.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': '10-'}
expected_desc = ('The value provided for the Range '
'header is invalid. The value must be '
"prefixed with a range unit, e.g. 'bytes='")
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_missing_attribute_header(self):
req = Request(testing.create_environ())
assert req.range is None
req = Request(testing.create_environ())
assert req.content_length is None
def test_content_length(self):
headers = {'content-length': '5656'}
req = Request(testing.create_environ(headers=headers))
assert req.content_length == 5656
headers = {'content-length': ''}
req = Request(testing.create_environ(headers=headers))
assert req.content_length is None
def test_bogus_content_length_nan(self):
headers = {'content-length': 'fuzzy-bunnies'}
expected_desc = ('The value provided for the '
'Content-Length header is invalid. The value '
'of the header must be a number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_bogus_content_length_neg(self):
headers = {'content-length': '-1'}
expected_desc = ('The value provided for the Content-Length '
'header is invalid. The value of the header '
'must be a positive number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
@pytest.mark.parametrize('header,attr', [
('Date', 'date'),
('If-Modified-Since', 'if_modified_since'),
('If-Unmodified-Since', 'if_unmodified_since'),
])
def test_date(self, header, attr):
date = datetime.datetime(2013, 4, 4, 5, 19, 18)
date_str = 'Thu, 04 Apr 2013 05:19:18 GMT'
self._test_header_expected_value(header, date_str, attr, date)
@pytest.mark.parametrize('header,attr', [
('Date', 'date'),
('If-Modified-Since', 'if_modified_since'),
('If-Unmodified-Since', 'if_unmodified_since'),
])
def test_date_invalid(self, header, attr):
# Date formats don't conform to RFC 1123
headers = {header: 'Thu, 04 Apr 2013'}
expected_desc = ('The value provided for the {} '
'header is invalid. It must be formatted '
'according to RFC 7231, Section 7.1.1.1')
self._test_error_details(headers, attr,
falcon.HTTPInvalidHeader,
'Invalid header value',
expected_desc.format(header))
headers = {header: ''}
self._test_error_details(headers, attr,
falcon.HTTPInvalidHeader,
'Invalid header value',
expected_desc.format(header))
@pytest.mark.parametrize('attr', ('date', 'if_modified_since', 'if_unmodified_since'))
def test_date_missing(self, attr):
req = Request(testing.create_environ())
assert getattr(req, attr) is None
def test_attribute_headers(self):
date = 'Wed, 21 Oct 2015 07:28:00 GMT'
auth = 'HMAC_SHA1 c590afa9bb59191ffab30f223791e82d3fd3e3af'
agent = 'testing/1.0.1'
default_agent = 'curl/7.24.0 (x86_64-apple-darwin12.0)'
referer = 'https://www.google.com/'
self._test_attribute_header('Accept', 'x-falcon', 'accept',
default='*/*')
self._test_attribute_header('Authorization', auth, 'auth')
self._test_attribute_header('Content-Type', 'text/plain',
'content_type')
self._test_attribute_header('Expect', '100-continue', 'expect')
self._test_attribute_header('If-Range', date, 'if_range')
self._test_attribute_header('User-Agent', agent, 'user_agent',
default=default_agent)
self._test_attribute_header('Referer', referer, 'referer')
def test_method(self):
assert self.req.method == 'GET'
self.req = Request(testing.create_environ(path='', method='HEAD'))
assert self.req.method == 'HEAD'
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
assert self.req.path == '/'
def test_content_type_method(self):
assert self.req.get_header('content-type') == 'text/plain'
def test_content_length_method(self):
assert self.req.get_header('content-length') == '4829'
# TODO(kgriffs): Migrate to pytest and parametrized fixtures
# to DRY things up a bit.
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_port_explicit(self, protocol):
port = 9000
req = Request(testing.create_environ(
protocol=protocol,
port=port,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.port == port
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_scheme_https(self, protocol):
scheme = 'https'
req = Request(testing.create_environ(
protocol=protocol,
scheme=scheme,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.scheme == scheme
assert req.port == 443
@pytest.mark.parametrize(
'protocol, set_forwarded_proto',
list(itertools.product(_PROTOCOLS, [True, False]))
)
def test_scheme_http(self, protocol, set_forwarded_proto):
scheme = 'http'
forwarded_scheme = 'HttPs'
headers = dict(self.headers)
if set_forwarded_proto:
headers['X-Forwarded-Proto'] = forwarded_scheme
req = Request(testing.create_environ(
protocol=protocol,
scheme=scheme,
app=self.app,
path='/hello',
query_string=self.qs,
headers=headers))
assert req.scheme == scheme
assert req.port == 80
if set_forwarded_proto:
assert req.forwarded_scheme == forwarded_scheme.lower()
else:
assert req.forwarded_scheme == scheme
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_netloc_default_port(self, protocol):
req = Request(testing.create_environ(
protocol=protocol,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.netloc == 'falconframework.org'
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_netloc_nondefault_port(self, protocol):
req = Request(testing.create_environ(
protocol=protocol,
port='8080',
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.netloc == 'falconframework.org:8080'
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_netloc_from_env(self, protocol):
port = 9000
host = 'example.org'
env = testing.create_environ(
protocol=protocol,
host=host,
port=port,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers)
req = Request(env)
assert req.port == port
assert req.netloc == '{}:{}'.format(host, port)
def test_app_present(self):
req = Request(testing.create_environ(app='/moving-pictures'))
assert req.app == '/moving-pictures'
def test_app_blank(self):
req = Request(testing.create_environ(app=''))
assert req.app == ''
def test_app_missing(self):
env = testing.create_environ()
del env['SCRIPT_NAME']
req = Request(env)
assert req.app == ''
@pytest.mark.parametrize('etag,expected', [
('', None),
(' ', None),
(' ', None),
('\t', None),
(' \t', None),
(',', None),
(',,', None),
(',, ', None),
(', , ', None),
('*', ['*']),
(
'W/"67ab43"',
[_make_etag('67ab43', is_weak=True)]
),
(
'w/"67ab43"',
[_make_etag('67ab43', is_weak=True)]
),
(
' w/"67ab43"',
[_make_etag('67ab43', is_weak=True)]
),
(
'w/"67ab43" ',
[_make_etag('67ab43', is_weak=True)]
),
(
'w/"67ab43 " ',
[_make_etag('67ab43 ', is_weak=True)]
),
(
'"67ab43"',
[_make_etag('67ab43')]
),
(
' "67ab43"',
[_make_etag('67ab43')]
),
(
' "67ab43" ',
[_make_etag('67ab43')]
),
(
'"67ab43" ',
[_make_etag('67ab43')]
),
(
'" 67ab43" ',
[_make_etag(' 67ab43')]
),
(
'67ab43"',
[_make_etag('67ab43"')]
),
(
'"67ab43',
[_make_etag('"67ab43')]
),
(
'67ab43',
[_make_etag('67ab43')]
),
(
'67ab43 ',
[_make_etag('67ab43')]
),
(
' 67ab43 ',
[_make_etag('67ab43')]
),
(
' 67ab43',
[_make_etag('67ab43')]
),
(
# NOTE(kgriffs): To simplify parsing and improve performance, we
# do not attempt to handle unquoted entity-tags when there is
# a list; it is non-standard anyway, and has been since 1999.
'W/"67ab43", "54ed21", junk"F9,22", junk "41, 7F", unquoted, w/"22, 41, 7F", "", W/""',
[
_make_etag('67ab43', is_weak=True),
_make_etag('54ed21'),
# NOTE(kgriffs): Test that the ETag initializer defaults to
# is_weak == False
ETag('F9,22'),
_make_etag('41, 7F'),
_make_etag('22, 41, 7F', is_weak=True),
# NOTE(kgriffs): According to the grammar in RFC 7232, zero
# etagc's is acceptable.
_make_etag(''),
_make_etag('', is_weak=True),
]
),
])
def test_etag(self, etag, expected):
self._test_header_etag('If-Match', etag, 'if_match', expected)
self._test_header_etag('If-None-Match', etag, 'if_none_match', expected)
def test_etag_is_missing(self):
# NOTE(kgriffs): Loop in order to test caching
for __ in range(3):
assert self.req.if_match is None
assert self.req.if_none_match is None
@pytest.mark.parametrize('header_value', ['', ' ', ' '])
def test_etag_parsing_helper(self, header_value):
# NOTE(kgriffs): Test a couple of cases that are not directly covered
# elsewhere (but that we want the helper to still support
# for the sake of avoiding suprises if they are ever called without
# preflighting the header value).
assert _parse_etags(header_value) is None
# -------------------------------------------------------------------------
# Helpers
# -------------------------------------------------------------------------
def _test_attribute_header(self, name, value, attr, default=None):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
assert getattr(req, attr) == value
req = Request(testing.create_environ())
assert getattr(req, attr) == default
def _test_header_expected_value(self, name, value, attr, expected_value):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
assert getattr(req, attr) == expected_value
def _test_header_etag(self, name, value, attr, expected_value):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
# NOTE(kgriffs): Loop in order to test caching
for __ in range(3):
value = getattr(req, attr)
if expected_value is None:
assert value is None
return
assert value is not None
for element, expected_element in zip(value, expected_value):
assert element == expected_element
if isinstance(expected_element, ETag):
assert element.is_weak == expected_element.is_weak
def _test_error_details(self, headers, attr_name,
error_type, title, description):
req = Request(testing.create_environ(headers=headers))
try:
getattr(req, attr_name)
pytest.fail('{} not raised'.format(error_type.__name__))
except error_type as ex:
assert ex.title == title
assert ex.description == description
def _test_header_expected_value(self, name, value, attr, expected_value):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(getattr(req, attr), expected_value)
def test_method(self):
self.assertEqual(self.req.method, 'GET')
self.req = Request(testing.create_environ(path='', method='HEAD'))
self.assertEqual(self.req.method, 'HEAD')
def test_missing_attribute_header(self):
req = Request(testing.create_environ())
self.assertEqual(req.range, None)
req = Request(testing.create_environ())
self.assertEqual(req.content_length, None)
def test_client_accepts_bogus(self):
headers = {'Accept': '~'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('text/plain'))
self.assertFalse(req.client_accepts('application/json'))
def __call__(self, env, start_response):
"""WSGI "app" method
Makes instances of API callable by any WSGI server. See also PEP 333.
Args:
env: A WSGI environment dictionary
start_response: A WSGI helper method for setting status and
headers on a response.
"""
req = Request(env)
resp = Response()
responder, params = self._get_responder(
req.path, req.method)
try:
# NOTE(kgriffs): Using an inner try..except in order to
# address the case when err_handler raises HTTPError.
#
# NOTE(kgriffs): Coverage is giving false negatives,
# so disabled on relevant lines. All paths are tested
# afaict.
try:
responder(req, resp, **params) # pragma: no cover
except Exception as ex:
for err_type, err_handler in self._error_handlers:
if isinstance(ex, err_type):
err_handler(ex, req, resp, params)
break # pragma: no cover
else:
# PERF(kgriffs): This will propagate HTTPError to
# the handler below. It makes handling HTTPError
# less efficient, but that is OK since error cases
# don't need to be as fast as the happy path, and
# indeed, should perhaps be slower to create
# backpressure on clients that are issuing bad
# requests.
raise
except HTTPError as ex:
resp.status = ex.status
if ex.headers is not None:
resp.set_headers(ex.headers)
if req.client_accepts('application/json'):
resp.body = ex.json()
#
# Set status and headers
#
use_body = not helpers.should_ignore_body(resp.status, req.method)
if use_body:
helpers.set_content_length(resp)
body = helpers.get_body(resp)
else:
# Default: return an empty body
body = []
# Set content type if needed
use_content_type = (body or
req.method == 'HEAD' or
resp.status == HTTP_416)
if use_content_type:
media_type = self._media_type
else:
media_type = None
headers = resp._wsgi_headers(media_type)
# Return the response per the WSGI spec
start_response(resp.status, headers)
return body
def test_app_blank(self):
req = Request(testing.create_environ(app=''))
assert req.app == ''
def test_app_present(self):
req = Request(testing.create_environ(app='/moving-pictures'))
assert req.app == '/moving-pictures'
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
assert self.req.path == '/'
def test_method(self):
assert self.req.method == 'GET'
self.req = Request(testing.create_environ(path='', method='HEAD'))
assert self.req.method == 'HEAD'
def test_date_missing(self, attr):
req = Request(testing.create_environ())
assert getattr(req, attr) is None
def test_missing_attribute_header(self):
req = Request(testing.create_environ())
assert req.range is None
req = Request(testing.create_environ())
assert req.content_length is None
class TestReqVars(testing.TestBase):
def before(self):
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Host': 'falcon.example.com',
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.app = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.uri = 'http://falcon.example.com' + self.app + self.relative_uri
self.uri_noqs = 'http://falcon.example.com' + self.app + self.path
self.req = Request(testing.create_environ(
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
self.req_noqs = Request(testing.create_environ(
app=self.app,
path='/hello',
headers=self.headers))
def test_missing_qs(self):
env = testing.create_environ()
if 'QUERY_STRING' in env:
del env['QUERY_STRING']
# Should not cause an exception when Request is instantiated
Request(env)
def test_empty(self):
self.assertIs(self.req.auth, None)
def test_reconstruct_url(self):
req = self.req
scheme = req.protocol
host = req.get_header('host')
app = req.app
path = req.path
query_string = req.query_string
actual_url = ''.join([scheme, '://', host, app, path,
'?', query_string])
self.assertEquals(actual_url, self.uri)
def test_uri(self):
self.assertEquals(self.req.url, self.uri)
self.assertEquals(self.req.uri, self.uri)
self.assertEquals(self.req_noqs.uri, self.uri_noqs)
def test_relative_uri(self):
self.assertEqual(self.req.relative_uri, self.app + self.relative_uri)
self.assertEqual(
self.req_noqs.relative_uri, self.app + self.path)
req_noapp = Request(testing.create_environ(
path='/hello',
query_string=self.qs,
headers=self.headers))
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
req_noapp = Request(testing.create_environ(
path='/hello/',
query_string=self.qs,
headers=self.headers))
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
def test_accept_xml(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
headers = {'Accept': '*/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts_xml)
headers = {'Accept': 'application/xm'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts_xml)
def test_range(self):
headers = {'Range': '10-'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.range, (10, -1))
headers = {'Range': '10-20'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.range, (10, 20))
headers = {'Range': '-10240'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.range, (-10240, -1))
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
self.assertIs(req.range, None)
headers = {'Range': None}
req = Request(testing.create_environ(headers=headers))
self.assertIs(req.range, None)
def test_range_invalid(self):
headers = {'Range': '10240'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '--'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3- '}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'fizbit'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'a-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'a-3'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'x-y'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=0-0,-1'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
def test_missing_attribute_header(self):
req = Request(testing.create_environ())
self.assertEquals(req.range, None)
req = Request(testing.create_environ())
self.assertEquals(req.content_length, None)
def test_content_length(self):
headers = {'content-length': '5656'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.content_length, 5656)
headers = {'content-length': ''}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.content_length, None)
def test_bogus_content_length_nan(self):
headers = {'content-length': 'fuzzy-bunnies'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.content_length)
def test_bogus_content_length_neg(self):
headers = {'content-length': '-1'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.content_length)
def test_date(self):
date = datetime.datetime(2013, 4, 4, 5, 19, 18)
headers = {'date': 'Thu, 04 Apr 2013 05:19:18 GMT'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.date, date)
def test_date_invalid(self):
headers = {'date': 'Thu, 04 Apr 2013'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.date)
def test_attribute_headers(self):
date = testing.httpnow()
hash = 'fa0d1a60ef6616bb28038515c8ea4cb2'
auth = 'HMAC_SHA1 c590afa9bb59191ffab30f223791e82d3fd3e3af'
agent = 'curl/7.24.0 (x86_64-apple-darwin12.0)'
self._test_attribute_header('Accept', 'x-falcon', 'accept')
self._test_attribute_header('Authorization', auth, 'auth')
self._test_attribute_header('Content-Type', 'text/plain',
'content_type')
self._test_attribute_header('Expect', '100-continue', 'expect')
self._test_attribute_header('If-Match', hash, 'if_match')
self._test_attribute_header('If-Modified-Since', date,
'if_modified_since')
self._test_attribute_header('If-None-Match', hash, 'if_none_match')
self._test_attribute_header('If-Range', hash, 'if_range')
self._test_attribute_header('If-Unmodified-Since', date,
'if_unmodified_since')
self._test_attribute_header('User-Agent', agent, 'user_agent')
def test_method(self):
self.assertEquals(self.req.method, 'GET')
self.req = Request(testing.create_environ(path='', method='HEAD'))
self.assertEquals(self.req.method, 'HEAD')
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
self.assertEquals(self.req.path, '/')
def test_content_type_method(self):
self.assertEquals(self.req.get_header('content-type'), 'text/plain')
def test_content_length_method(self):
self.assertEquals(self.req.get_header('content-length'), '4829')
# -------------------------------------------------------------------------
# Helpers
# -------------------------------------------------------------------------
def _test_attribute_header(self, name, value, attr):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(getattr(req, attr), value)
headers = {name: None}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(getattr(req, attr), None)
class TestReqVars(testing.TestSuite):
def prepare(self):
qs = '?marker=deadbeef&limit=10'
headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829',
}
self.url = 'http://falconer/test/hello?marker=deadbeef&limit=10'
self.req = Request(testing.create_environ(script='/test',
path='/hello',
query_string=qs,
headers=headers))
def test_reconstruct_url(self):
req = self.req
scheme = req.protocol
host = req.get_header('host')
app = req.app
path = req.path
query_string = req.query_string
actual_url = ''.join([scheme, '://', host, app, path, query_string])
self.assertEquals(self.url, actual_url)
def test_url(self):
self.assertEquals(self.url, self.req.url)
def test_range(self):
headers = {'Range': '10-'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals((10, -1), req.range)
headers = {'Range': '10-20'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals((10, 20), req.range)
headers = {'Range': '-10240'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals((-10240, -1), req.range)
headers = {'Range': '10240'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(None, req.range)
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(None, req.range)
headers = {'Range': '-'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(None, req.range)
headers = {'Range': '--'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(None, req.range)
headers = {'Range': '-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(None, req.range)
headers = {'Range': '-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(None, req.range)
headers = {'Range': '3-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(None, req.range)
headers = {'Range': '3-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(None, req.range)
headers = {'Range': None}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(None, req.range)
def test_attribute_headers(self):
date = testing.httpnow()
hash = 'fa0d1a60ef6616bb28038515c8ea4cb2'
auth = 'HMAC_SHA1 c590afa9bb59191ffab30f223791e82d3fd3e3af'
agent = 'curl/7.24.0 (x86_64-apple-darwin12.0)'
self._test_attribute_header('Accept', 'x-falcon', 'accept')
self._test_attribute_header('Authorization', auth, 'auth')
self._test_attribute_header('Content-Length', '4829', 'content_length')
self._test_attribute_header('Content-Type', 'text/plain',
'content_type')
self._test_attribute_header('Expect', '100-continue', 'expect')
self._test_attribute_header('Date', date, 'date')
self._test_attribute_header('If-Match', hash, 'if_match')
self._test_attribute_header('If-Modified-Since', date,
'if_modified_since')
self._test_attribute_header('If-None-Match', hash, 'if_none_match')
self._test_attribute_header('If-Range', hash, 'if_range')
self._test_attribute_header('If-Unmodified-Since', date,
'if_unmodified_since')
self._test_attribute_header('User-Agent', agent, 'user_agent')
def test_method(self):
self.assertEquals(self.req.method, 'GET')
self.req = Request(testing.create_environ(path='', method='HEAD'))
self.assertEquals(self.req.method, 'HEAD')
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
self.assertEquals(self.req.path, '/')
def test_content_type_method(self):
self.assertEquals(self.req.get_header('content-type'), 'text/plain')
def test_content_length_method(self):
self.assertEquals(self.req.get_header('content-length'), '4829')
# -------------------------------------------------------------------------
# Helpers
# -------------------------------------------------------------------------
def _test_attribute_header(self, name, value, attr):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(value, getattr(req, attr))
headers = {name: None}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(None, getattr(req, attr))
def test_x_real_ip(self):
req = Request(
testing.create_environ(host='example.com',
path='/access_route',
headers={'X-Real-IP': '2001:db8:cafe::17'}))
self.assertEqual(req.access_route, ['2001:db8:cafe::17'])
class TestRequestAttributes(object):
def setup_method(self, method):
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.app = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.req = Request(testing.create_environ(
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
self.req_noqs = Request(testing.create_environ(
app=self.app,
path='/hello',
headers=self.headers))
def test_missing_qs(self):
env = testing.create_environ()
if 'QUERY_STRING' in env:
del env['QUERY_STRING']
# Should not cause an exception when Request is instantiated
Request(env)
def test_empty(self):
assert self.req.auth is None
def test_host(self):
assert self.req.host == testing.DEFAULT_HOST
def test_subdomain(self):
req = Request(testing.create_environ(
host='com',
path='/hello',
headers=self.headers))
assert req.subdomain is None
req = Request(testing.create_environ(
host='example.com',
path='/hello',
headers=self.headers))
assert req.subdomain == 'example'
req = Request(testing.create_environ(
host='highwire.example.com',
path='/hello',
headers=self.headers))
assert req.subdomain == 'highwire'
req = Request(testing.create_environ(
host='lb01.dfw01.example.com',
port=8080,
path='/hello',
headers=self.headers))
assert req.subdomain == 'lb01'
# NOTE(kgriffs): Behavior for IP addresses is undefined,
# so just make sure it doesn't blow up.
req = Request(testing.create_environ(
host='127.0.0.1',
path='/hello',
headers=self.headers))
assert type(req.subdomain) == str
# NOTE(kgriffs): Test fallback to SERVER_NAME by using
# HTTP 1.0, which will cause .create_environ to not set
# HTTP_HOST.
req = Request(testing.create_environ(
protocol='HTTP/1.0',
host='example.com',
path='/hello',
headers=self.headers))
assert req.subdomain == 'example'
def test_reconstruct_url(self):
req = self.req
scheme = req.scheme
host = req.get_header('host')
app = req.app
path = req.path
query_string = req.query_string
expected_prefix = ''.join([scheme, '://', host, app])
expected_uri = ''.join([expected_prefix, path, '?', query_string])
assert req.uri == expected_uri
assert req.prefix == expected_prefix
assert req.prefix == expected_prefix # Check cached value
@pytest.mark.skipif(not compat.PY3, reason='Test only applies to Python 3')
@pytest.mark.parametrize('test_path', [
u'/hello_\u043f\u0440\u0438\u0432\u0435\u0442',
u'/test/%E5%BB%B6%E5%AE%89',
u'/test/%C3%A4%C3%B6%C3%BC%C3%9F%E2%82%AC',
])
def test_nonlatin_path(self, test_path):
# NOTE(kgriffs): When a request comes in, web servers decode
# the path. The decoded path may contain UTF-8 characters,
# but according to the WSGI spec, no strings can contain chars
# outside ISO-8859-1. Therefore, to reconcile the URI
# encoding standard that allows UTF-8 with the WSGI spec
# that does not, WSGI servers tunnel the string via
# ISO-8859-1. falcon.testing.create_environ() mimics this
# behavior, e.g.:
#
# tunnelled_path = path.encode('utf-8').decode('iso-8859-1')
#
# falcon.Request does the following to reverse the process:
#
# path = tunnelled_path.encode('iso-8859-1').decode('utf-8', 'replace')
#
req = Request(testing.create_environ(
host='com',
path=test_path,
headers=self.headers))
assert req.path == falcon.uri.decode(test_path)
def test_uri(self):
prefix = 'http://' + testing.DEFAULT_HOST + ':8080' + self.app
uri = prefix + self.relative_uri
assert self.req.url == uri
assert self.req.prefix == prefix
# NOTE(kgriffs): Call twice to check caching works
assert self.req.uri == uri
assert self.req.uri == uri
uri_noqs = ('http://' + testing.DEFAULT_HOST + self.app + self.path)
assert self.req_noqs.uri == uri_noqs
def test_uri_https(self):
# =======================================================
# Default port, implicit
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https'))
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
assert req.uri == uri
# =======================================================
# Default port, explicit
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https', port=443))
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
assert req.uri == uri
# =======================================================
# Non-default port
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https', port=22))
uri = ('https://' + testing.DEFAULT_HOST + ':22/hello')
assert req.uri == uri
def test_uri_http_1_0(self):
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=80,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST + ':8080' +
self.app + self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=443,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=22,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST + ':22' +
self.app + self.relative_uri)
assert req.uri == uri
def test_relative_uri(self):
assert self.req.relative_uri == self.app + self.relative_uri
assert self.req_noqs.relative_uri == self.app + self.path
req_noapp = Request(testing.create_environ(
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req_noapp.relative_uri == self.relative_uri
req_noapp = Request(testing.create_environ(
path='/hello/',
query_string=self.qs,
headers=self.headers))
relative_trailing_uri = self.path + '/?' + self.qs
# NOTE(kgriffs): Call twice to check caching works
assert req_noapp.relative_uri == relative_trailing_uri
assert req_noapp.relative_uri == relative_trailing_uri
options = RequestOptions()
options.strip_url_path_trailing_slash = False
req_noapp = Request(testing.create_environ(
path='/hello/',
query_string=self.qs,
headers=self.headers),
options=options)
assert req_noapp.relative_uri == '/hello/' + '?' + self.qs
def test_client_accepts(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/xml')
headers = {'Accept': '*/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/xml')
assert req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('application/xml')
assert not req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
headers = {} # NOTE(kgriffs): Equivalent to '*/*' per RFC
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/xml')
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('application/xml')
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'application/xm'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('application/xml')
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/json')
assert req.client_accepts('application/xml')
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'text/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('text/csv')
assert not req.client_accepts('application/xhtml+xml')
headers = {'Accept': 'text/*, application/xhtml+xml; q=0.0'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('text/csv')
assert not req.client_accepts('application/xhtml+xml')
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('application/xhtml+xml')
headers = {'Accept': 'text/*, application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('application/xml')
assert req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'text/*,application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('application/xml')
assert req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
def test_client_accepts_bogus(self):
headers = {'Accept': '~'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('text/plain')
assert not req.client_accepts('application/json')
def test_client_accepts_props(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts_xml
assert not req.client_accepts_json
assert not req.client_accepts_msgpack
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts_xml
assert req.client_accepts_json
assert req.client_accepts_msgpack
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts_xml
assert req.client_accepts_json
assert not req.client_accepts_msgpack
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts_xml
assert not req.client_accepts_json
assert req.client_accepts_msgpack
headers = {'Accept': 'application/msgpack'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts_xml
assert not req.client_accepts_json
assert req.client_accepts_msgpack
headers = {
'Accept': 'application/json,application/xml,application/x-msgpack'
}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts_xml
assert req.client_accepts_json
assert req.client_accepts_msgpack
def test_client_prefers(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xml'])
assert preferred_type == 'application/xml'
headers = {'Accept': '*/*'}
preferred_type = req.client_prefers(('application/xml',
'application/json'))
# NOTE(kgriffs): If client doesn't care, "prefer" the first one
assert preferred_type == 'application/xml'
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
assert preferred_type == 'application/xhtml+xml'
headers = {'Accept': '3p12845j;;;asfd;'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
assert preferred_type is None
def test_range(self):
headers = {'Range': 'bytes=10-'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, -1)
headers = {'Range': 'bytes=10-20'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, 20)
headers = {'Range': 'bytes=-10240'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (-10240, -1)
headers = {'Range': 'bytes=0-2'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (0, 2)
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPInvalidHeader):
req.range
req = Request(testing.create_environ())
assert req.range is None
def test_range_unit(self):
headers = {'Range': 'bytes=10-'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, -1)
assert req.range_unit == 'bytes'
headers = {'Range': 'items=10-'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, -1)
assert req.range_unit == 'items'
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPInvalidHeader):
req.range_unit
req = Request(testing.create_environ())
assert req.range_unit is None
def test_range_invalid(self):
headers = {'Range': 'bytes=10240'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-'}
expected_desc = ('The value provided for the Range header is '
'invalid. The range offsets are missing.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=--'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-3-'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-3-4'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3-4'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3-'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3- '}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=fizbit'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=a-'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=a-3'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-b'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-b'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=x-y'}
expected_desc = ('The value provided for the Range header is '
'invalid. It must be a range formatted '
'according to RFC 7233.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=0-0,-1'}
expected_desc = ('The value provided for the Range '
'header is invalid. The value must be a '
'continuous range.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': '10-'}
expected_desc = ('The value provided for the Range '
'header is invalid. The value must be '
"prefixed with a range unit, e.g. 'bytes='")
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_missing_attribute_header(self):
req = Request(testing.create_environ())
assert req.range is None
req = Request(testing.create_environ())
assert req.content_length is None
def test_content_length(self):
headers = {'content-length': '5656'}
req = Request(testing.create_environ(headers=headers))
assert req.content_length == 5656
headers = {'content-length': ''}
req = Request(testing.create_environ(headers=headers))
assert req.content_length is None
def test_bogus_content_length_nan(self):
headers = {'content-length': 'fuzzy-bunnies'}
expected_desc = ('The value provided for the '
'Content-Length header is invalid. The value '
'of the header must be a number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_bogus_content_length_neg(self):
headers = {'content-length': '-1'}
expected_desc = ('The value provided for the Content-Length '
'header is invalid. The value of the header '
'must be a positive number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
@pytest.mark.parametrize('header,attr', [
('Date', 'date'),
('If-Modified-Since', 'if_modified_since'),
('If-Unmodified-Since', 'if_unmodified_since'),
])
def test_date(self, header, attr):
date = datetime.datetime(2013, 4, 4, 5, 19, 18)
date_str = 'Thu, 04 Apr 2013 05:19:18 GMT'
self._test_header_expected_value(header, date_str, attr, date)
@pytest.mark.parametrize('header,attr', [
('Date', 'date'),
('If-Modified-Since', 'if_modified_since'),
('If-Unmodified-Since', 'if_unmodified_since'),
])
def test_date_invalid(self, header, attr):
# Date formats don't conform to RFC 1123
headers = {header: 'Thu, 04 Apr 2013'}
expected_desc = ('The value provided for the {} '
'header is invalid. It must be formatted '
'according to RFC 7231, Section 7.1.1.1')
self._test_error_details(headers, attr,
falcon.HTTPInvalidHeader,
'Invalid header value',
expected_desc.format(header))
headers = {header: ''}
self._test_error_details(headers, attr,
falcon.HTTPInvalidHeader,
'Invalid header value',
expected_desc.format(header))
@pytest.mark.parametrize('attr', ('date', 'if_modified_since', 'if_unmodified_since'))
def test_date_missing(self, attr):
req = Request(testing.create_environ())
assert getattr(req, attr) is None
def test_attribute_headers(self):
hash = 'fa0d1a60ef6616bb28038515c8ea4cb2'
auth = 'HMAC_SHA1 c590afa9bb59191ffab30f223791e82d3fd3e3af'
agent = 'testing/1.0.1'
default_agent = 'curl/7.24.0 (x86_64-apple-darwin12.0)'
referer = 'https://www.google.com/'
self._test_attribute_header('Accept', 'x-falcon', 'accept',
default='*/*')
self._test_attribute_header('Authorization', auth, 'auth')
self._test_attribute_header('Content-Type', 'text/plain',
'content_type')
self._test_attribute_header('Expect', '100-continue', 'expect')
self._test_attribute_header('If-Match', hash, 'if_match')
self._test_attribute_header('If-None-Match', hash, 'if_none_match')
self._test_attribute_header('If-Range', hash, 'if_range')
self._test_attribute_header('User-Agent', agent, 'user_agent',
default=default_agent)
self._test_attribute_header('Referer', referer, 'referer')
def test_method(self):
assert self.req.method == 'GET'
self.req = Request(testing.create_environ(path='', method='HEAD'))
assert self.req.method == 'HEAD'
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
assert self.req.path == '/'
def test_content_type_method(self):
assert self.req.get_header('content-type') == 'text/plain'
def test_content_length_method(self):
assert self.req.get_header('content-length') == '4829'
# TODO(kgriffs): Migrate to pytest and parametrized fixtures
# to DRY things up a bit.
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_port_explicit(self, protocol):
port = 9000
req = Request(testing.create_environ(
protocol=protocol,
port=port,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.port == port
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_scheme_https(self, protocol):
scheme = 'https'
req = Request(testing.create_environ(
protocol=protocol,
scheme=scheme,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.scheme == scheme
assert req.port == 443
@pytest.mark.parametrize(
'protocol, set_forwarded_proto',
list(itertools.product(_PROTOCOLS, [True, False]))
)
def test_scheme_http(self, protocol, set_forwarded_proto):
scheme = 'http'
forwarded_scheme = 'HttPs'
headers = dict(self.headers)
if set_forwarded_proto:
headers['X-Forwarded-Proto'] = forwarded_scheme
req = Request(testing.create_environ(
protocol=protocol,
scheme=scheme,
app=self.app,
path='/hello',
query_string=self.qs,
headers=headers))
assert req.scheme == scheme
assert req.port == 80
if set_forwarded_proto:
assert req.forwarded_scheme == forwarded_scheme.lower()
else:
assert req.forwarded_scheme == scheme
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_netloc_default_port(self, protocol):
req = Request(testing.create_environ(
protocol=protocol,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.netloc == 'falconframework.org'
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_netloc_nondefault_port(self, protocol):
req = Request(testing.create_environ(
protocol=protocol,
port='8080',
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.netloc == 'falconframework.org:8080'
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_netloc_from_env(self, protocol):
port = 9000
host = 'example.org'
env = testing.create_environ(
protocol=protocol,
host=host,
port=port,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers)
req = Request(env)
assert req.port == port
assert req.netloc == '{}:{}'.format(host, port)
def test_app_present(self):
req = Request(testing.create_environ(app='/moving-pictures'))
assert req.app == '/moving-pictures'
def test_app_blank(self):
req = Request(testing.create_environ(app=''))
assert req.app == ''
def test_app_missing(self):
env = testing.create_environ()
del env['SCRIPT_NAME']
req = Request(env)
assert req.app == ''
# -------------------------------------------------------------------------
# Helpers
# -------------------------------------------------------------------------
def _test_attribute_header(self, name, value, attr, default=None):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
assert getattr(req, attr) == value
req = Request(testing.create_environ())
assert getattr(req, attr) == default
def _test_header_expected_value(self, name, value, attr, expected_value):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
assert getattr(req, attr) == expected_value
def _test_error_details(self, headers, attr_name,
error_type, title, description):
req = Request(testing.create_environ(headers=headers))
try:
getattr(req, attr_name)
pytest.fail('{} not raised'.format(error_type.__name__))
except error_type as ex:
assert ex.title == title
assert ex.description == description
def test_remote_addr(self):
req = Request(
testing.create_environ(host='example.com', path='/access_route'))
self.assertEqual(req.access_route, ['127.0.0.1'])
def test_range_invalid(self):
headers = {'Range': 'bytes=10240'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-'}
expected_desc = ('The value provided for the Range header is '
'invalid. The byte offsets are missing.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=--'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-3- '}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=fizbit'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=a-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=a-3'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=x-y'}
expected_desc = ('The value provided for the Range header is '
'invalid. It must be a byte range formatted '
'according to RFC 2616.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=0-0,-1'}
expected_desc = ('The value provided for the Range '
'header is invalid. The value must be a '
'continuous byte range.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': '10-'}
expected_desc = ("The value provided for the Range "
"header is invalid. The value must be "
"prefixed with 'bytes='")
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_remote_addr_missing(self):
env = testing.create_environ(host='example.com', path='/access_route')
del env['REMOTE_ADDR']
req = Request(env)
self.assertEqual(req.access_route, [])
def test_date_missing(self, attr):
req = Request(testing.create_environ())
self.assertIs(getattr(req, attr), None)
def test_default_request_context(self):
env = testing.create_environ()
req = Request(env)
self.assertIsInstance(req.context, dict)
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
self.assertEqual(self.req.path, '/')
def test_app_missing():
env = testing.create_environ()
del env['SCRIPT_NAME']
req = Request(env)
assert req.app == ''
def test_date_invalid(self):
headers = {'date': 'Thu, 04 Apr 2013'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.date)
def test_empty_path(self):
self.req = Request(helpers.create_environ(path=''))
self.assertEquals(self.req.path, '/')
class TestReqVars(testing.TestBase):
def before(self):
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Host': 'falcon.example.com',
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.app = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.uri = 'http://falcon.example.com' + self.app + self.relative_uri
self.uri_noqs = 'http://falcon.example.com' + self.app + self.path
self.req = Request(
testing.create_environ(app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
self.req_noqs = Request(
testing.create_environ(app=self.app,
path='/hello',
headers=self.headers))
def test_missing_qs(self):
env = testing.create_environ()
if 'QUERY_STRING' in env:
del env['QUERY_STRING']
# Should not cause an exception when Request is instantiated
Request(env)
def test_empty(self):
self.assertIs(self.req.auth, None)
def test_reconstruct_url(self):
req = self.req
scheme = req.protocol
host = req.get_header('host')
app = req.app
path = req.path
query_string = req.query_string
actual_url = ''.join(
[scheme, '://', host, app, path, '?', query_string])
self.assertEquals(actual_url, self.uri)
def test_uri(self):
self.assertEquals(self.req.url, self.uri)
self.assertEquals(self.req.uri, self.uri)
self.assertEquals(self.req_noqs.uri, self.uri_noqs)
def test_relative_uri(self):
self.assertEqual(self.req.relative_uri, self.app + self.relative_uri)
self.assertEqual(self.req_noqs.relative_uri, self.app + self.path)
req_noapp = Request(
testing.create_environ(path='/hello',
query_string=self.qs,
headers=self.headers))
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
req_noapp = Request(
testing.create_environ(path='/hello/',
query_string=self.qs,
headers=self.headers))
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
def test_client_accepts(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': '*/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {} # NOTE(kgriffs): Equivalent to '*/*' per RFC
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/xm'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': 'text/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertFalse(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*, application/xhtml+xml; q=0.0'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertTrue(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
headers = {'Accept': 'text/*, application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/json'))
headers = {'Accept': 'text/*,application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/json'))
def test_client_accepts_props(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertFalse(req.client_accepts_json)
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
headers = {'Accept': 'application/json, application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
def test_client_prefers(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xml'])
self.assertEquals(preferred_type, 'application/xml')
headers = {'Accept': '*/*'}
preferred_type = req.client_prefers(
('application/xml', 'application/json'))
# NOTE(kgriffs): If client doesn't care, "preferr" the first one
self.assertEquals(preferred_type, 'application/xml')
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
self.assertEquals(preferred_type, 'application/xhtml+xml')
headers = {'Accept': '3p12845j;;;asfd;'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
self.assertEquals(preferred_type, None)
def test_range(self):
headers = {'Range': '10-'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.range, (10, -1))
headers = {'Range': '10-20'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.range, (10, 20))
headers = {'Range': '-10240'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.range, (-10240, -1))
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
self.assertIs(req.range, None)
req = Request(testing.create_environ())
self.assertIs(req.range, None)
def test_range_invalid(self):
headers = {'Range': '10240'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '--'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3- '}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'fizbit'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'a-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'a-3'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'x-y'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=0-0,-1'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
def test_missing_attribute_header(self):
req = Request(testing.create_environ())
self.assertEquals(req.range, None)
req = Request(testing.create_environ())
self.assertEquals(req.content_length, None)
def test_content_length(self):
headers = {'content-length': '5656'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.content_length, 5656)
headers = {'content-length': ''}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.content_length, None)
def test_bogus_content_length_nan(self):
headers = {'content-length': 'fuzzy-bunnies'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.content_length)
def test_bogus_content_length_neg(self):
headers = {'content-length': '-1'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.content_length)
def test_date(self):
date = datetime.datetime(2013, 4, 4, 5, 19, 18)
headers = {'date': 'Thu, 04 Apr 2013 05:19:18 GMT'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.date, date)
def test_date_invalid(self):
headers = {'date': 'Thu, 04 Apr 2013'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.date)
def test_attribute_headers(self):
date = testing.httpnow()
hash = 'fa0d1a60ef6616bb28038515c8ea4cb2'
auth = 'HMAC_SHA1 c590afa9bb59191ffab30f223791e82d3fd3e3af'
agent = 'testing/1.0.1'
default_agent = 'curl/7.24.0 (x86_64-apple-darwin12.0)'
self._test_attribute_header('Accept',
'x-falcon',
'accept',
default='*/*')
self._test_attribute_header('Authorization', auth, 'auth')
self._test_attribute_header('Content-Type', 'text/plain',
'content_type')
self._test_attribute_header('Expect', '100-continue', 'expect')
self._test_attribute_header('If-Match', hash, 'if_match')
self._test_attribute_header('If-Modified-Since', date,
'if_modified_since')
self._test_attribute_header('If-None-Match', hash, 'if_none_match')
self._test_attribute_header('If-Range', hash, 'if_range')
self._test_attribute_header('If-Unmodified-Since', date,
'if_unmodified_since')
self._test_attribute_header('User-Agent',
agent,
'user_agent',
default=default_agent)
def test_method(self):
self.assertEquals(self.req.method, 'GET')
self.req = Request(testing.create_environ(path='', method='HEAD'))
self.assertEquals(self.req.method, 'HEAD')
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
self.assertEquals(self.req.path, '/')
def test_content_type_method(self):
self.assertEquals(self.req.get_header('content-type'), 'text/plain')
def test_content_length_method(self):
self.assertEquals(self.req.get_header('content-length'), '4829')
# -------------------------------------------------------------------------
# Helpers
# -------------------------------------------------------------------------
def _test_attribute_header(self, name, value, attr, default=None):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(getattr(req, attr), value)
req = Request(testing.create_environ())
self.assertEqual(getattr(req, attr), default)
class TestReqVars(testing.TestBase):
def before(self):
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.app = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.req = Request(testing.create_environ(
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
self.req_noqs = Request(testing.create_environ(
app=self.app,
path='/hello',
headers=self.headers))
def test_missing_qs(self):
env = testing.create_environ()
if 'QUERY_STRING' in env:
del env['QUERY_STRING']
# Should not cause an exception when Request is instantiated
Request(env)
def test_empty(self):
self.assertIs(self.req.auth, None)
def test_host(self):
self.assertEqual(self.req.host, testing.DEFAULT_HOST)
def test_subdomain(self):
req = Request(testing.create_environ(
host='com',
path='/hello',
headers=self.headers))
self.assertIs(req.subdomain, None)
req = Request(testing.create_environ(
host='example.com',
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'example')
req = Request(testing.create_environ(
host='highwire.example.com',
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'highwire')
req = Request(testing.create_environ(
host='lb01.dfw01.example.com',
port=8080,
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'lb01')
# NOTE(kgriffs): Behavior for IP addresses is undefined,
# so just make sure it doesn't blow up.
req = Request(testing.create_environ(
host='127.0.0.1',
path='/hello',
headers=self.headers))
self.assertEqual(type(req.subdomain), str)
# NOTE(kgriffs): Test fallback to SERVER_NAME by using
# HTTP 1.0, which will cause .create_environ to not set
# HTTP_HOST.
req = Request(testing.create_environ(
protocol='HTTP/1.0',
host='example.com',
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'example')
def test_reconstruct_url(self):
req = self.req
scheme = req.protocol
host = req.get_header('host')
app = req.app
path = req.path
query_string = req.query_string
expected_uri = ''.join([scheme, '://', host, app, path,
'?', query_string])
self.assertEqual(expected_uri, req.uri)
@testtools.skipUnless(six.PY3, 'Test only applies to Python 3')
def test_nonlatin_path(self):
cyrillic_path = u'/hello_\u043f\u0440\u0438\u0432\u0435\u0442'
cyrillic_path_decoded = cyrillic_path.encode('utf-8').decode('latin1')
req = Request(testing.create_environ(
host='com',
path=cyrillic_path_decoded,
headers=self.headers))
self.assertEqual(req.path, cyrillic_path)
def test_uri(self):
uri = ('http://' + testing.DEFAULT_HOST + ':8080' +
self.app + self.relative_uri)
self.assertEqual(self.req.url, uri)
# NOTE(kgriffs): Call twice to check caching works
self.assertEqual(self.req.uri, uri)
self.assertEqual(self.req.uri, uri)
uri_noqs = ('http://' + testing.DEFAULT_HOST + self.app + self.path)
self.assertEqual(self.req_noqs.uri, uri_noqs)
def test_uri_https(self):
# =======================================================
# Default port, implicit
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https'))
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
self.assertEqual(req.uri, uri)
# =======================================================
# Default port, explicit
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https', port=443))
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
self.assertEqual(req.uri, uri)
# =======================================================
# Non-default port
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https', port=22))
uri = ('https://' + testing.DEFAULT_HOST + ':22/hello')
self.assertEqual(req.uri, uri)
def test_uri_http_1_0(self):
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=80,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST + ':8080' +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=443,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=22,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST + ':22' +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
def test_relative_uri(self):
self.assertEqual(self.req.relative_uri, self.app + self.relative_uri)
self.assertEqual(
self.req_noqs.relative_uri, self.app + self.path)
req_noapp = Request(testing.create_environ(
path='/hello',
query_string=self.qs,
headers=self.headers))
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
req_noapp = Request(testing.create_environ(
path='/hello/',
query_string=self.qs,
headers=self.headers))
# NOTE(kgriffs): Call twice to check caching works
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
def test_client_accepts(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': '*/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
self.assertFalse(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {} # NOTE(kgriffs): Equivalent to '*/*' per RFC
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'application/xm'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'text/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertFalse(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*, application/xhtml+xml; q=0.0'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertFalse(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*, application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'text/*,application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
def test_client_accepts_bogus(self):
headers = {'Accept': '~'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('text/plain'))
self.assertFalse(req.client_accepts('application/json'))
def test_client_accepts_props(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertFalse(req.client_accepts_json)
self.assertFalse(req.client_accepts_msgpack)
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
self.assertTrue(req.client_accepts_msgpack)
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
self.assertFalse(req.client_accepts_msgpack)
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts_xml)
self.assertFalse(req.client_accepts_json)
self.assertTrue(req.client_accepts_msgpack)
headers = {'Accept': 'application/msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts_xml)
self.assertFalse(req.client_accepts_json)
self.assertTrue(req.client_accepts_msgpack)
headers = {
'Accept': 'application/json,application/xml,application/x-msgpack'
}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
self.assertTrue(req.client_accepts_msgpack)
def test_client_prefers(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xml'])
self.assertEqual(preferred_type, 'application/xml')
headers = {'Accept': '*/*'}
preferred_type = req.client_prefers(('application/xml',
'application/json'))
# NOTE(kgriffs): If client doesn't care, "prefer" the first one
self.assertEqual(preferred_type, 'application/xml')
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
self.assertEqual(preferred_type, 'application/xhtml+xml')
headers = {'Accept': '3p12845j;;;asfd;'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
self.assertEqual(preferred_type, None)
def test_range(self):
headers = {'Range': 'bytes=10-'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (10, -1))
headers = {'Range': 'bytes=10-20'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (10, 20))
headers = {'Range': 'bytes=-10240'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (-10240, -1))
headers = {'Range': 'bytes=0-2'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (0, 2))
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPInvalidHeader, lambda: req.range)
req = Request(testing.create_environ())
self.assertIs(req.range, None)
def test_range_unit(self):
headers = {'Range': 'bytes=10-'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (10, -1))
self.assertEqual(req.range_unit, 'bytes')
headers = {'Range': 'items=10-'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (10, -1))
self.assertEqual(req.range_unit, 'items')
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPInvalidHeader, lambda: req.range_unit)
req = Request(testing.create_environ())
self.assertIs(req.range_unit, None)
def test_range_invalid(self):
headers = {'Range': 'bytes=10240'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-'}
expected_desc = ('The value provided for the Range header is '
'invalid. The range offsets are missing.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=--'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-3- '}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=fizbit'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=a-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=a-3'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=x-y'}
expected_desc = ('The value provided for the Range header is '
'invalid. It must be a range formatted '
'according to RFC 7233.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=0-0,-1'}
expected_desc = ('The value provided for the Range '
'header is invalid. The value must be a '
'continuous range.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': '10-'}
expected_desc = ("The value provided for the Range "
"header is invalid. The value must be "
"prefixed with a range unit, e.g. 'bytes='")
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_missing_attribute_header(self):
req = Request(testing.create_environ())
self.assertEqual(req.range, None)
req = Request(testing.create_environ())
self.assertEqual(req.content_length, None)
def test_content_length(self):
headers = {'content-length': '5656'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.content_length, 5656)
headers = {'content-length': ''}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.content_length, None)
def test_bogus_content_length_nan(self):
headers = {'content-length': 'fuzzy-bunnies'}
expected_desc = ('The value provided for the '
'Content-Length header is invalid. The value '
'of the header must be a number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_bogus_content_length_neg(self):
headers = {'content-length': '-1'}
expected_desc = ('The value provided for the Content-Length '
'header is invalid. The value of the header '
'must be a positive number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
@ddt.data(('Date', 'date'),
('If-Modified-since', 'if_modified_since'),
('If-Unmodified-since', 'if_unmodified_since'),
)
@ddt.unpack
def test_date(self, header, attr):
date = datetime.datetime(2013, 4, 4, 5, 19, 18)
date_str = 'Thu, 04 Apr 2013 05:19:18 GMT'
self._test_header_expected_value(header, date_str, attr, date)
@ddt.data(('Date', 'date'),
('If-Modified-Since', 'if_modified_since'),
('If-Unmodified-Since', 'if_unmodified_since'),
)
@ddt.unpack
def test_date_invalid(self, header, attr):
# Date formats don't conform to RFC 1123
headers = {header: 'Thu, 04 Apr 2013'}
expected_desc = ('The value provided for the {0} '
'header is invalid. It must be formatted '
'according to RFC 7231, Section 7.1.1.1')
self._test_error_details(headers, attr,
falcon.HTTPInvalidHeader,
'Invalid header value',
expected_desc.format(header))
headers = {header: ''}
self._test_error_details(headers, attr,
falcon.HTTPInvalidHeader,
'Invalid header value',
expected_desc.format(header))
@ddt.data('date', 'if_modified_since', 'if_unmodified_since')
def test_date_missing(self, attr):
req = Request(testing.create_environ())
self.assertIs(getattr(req, attr), None)
def test_attribute_headers(self):
hash = 'fa0d1a60ef6616bb28038515c8ea4cb2'
auth = 'HMAC_SHA1 c590afa9bb59191ffab30f223791e82d3fd3e3af'
agent = 'testing/1.0.1'
default_agent = 'curl/7.24.0 (x86_64-apple-darwin12.0)'
self._test_attribute_header('Accept', 'x-falcon', 'accept',
default='*/*')
self._test_attribute_header('Authorization', auth, 'auth')
self._test_attribute_header('Content-Type', 'text/plain',
'content_type')
self._test_attribute_header('Expect', '100-continue', 'expect')
self._test_attribute_header('If-Match', hash, 'if_match')
self._test_attribute_header('If-None-Match', hash, 'if_none_match')
self._test_attribute_header('If-Range', hash, 'if_range')
self._test_attribute_header('User-Agent', agent, 'user_agent',
default=default_agent)
def test_method(self):
self.assertEqual(self.req.method, 'GET')
self.req = Request(testing.create_environ(path='', method='HEAD'))
self.assertEqual(self.req.method, 'HEAD')
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
self.assertEqual(self.req.path, '/')
def test_content_type_method(self):
self.assertEqual(self.req.get_header('content-type'), 'text/plain')
def test_content_length_method(self):
self.assertEqual(self.req.get_header('content-length'), '4829')
# -------------------------------------------------------------------------
# Helpers
# -------------------------------------------------------------------------
def _test_attribute_header(self, name, value, attr, default=None):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(getattr(req, attr), value)
req = Request(testing.create_environ())
self.assertEqual(getattr(req, attr), default)
def _test_header_expected_value(self, name, value, attr, expected_value):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(getattr(req, attr), expected_value)
def _test_error_details(self, headers, attr_name,
error_type, title, description):
req = Request(testing.create_environ(headers=headers))
try:
getattr(req, attr_name)
self.fail('{0} not raised'.format(error_type.__name__))
except error_type as ex:
self.assertEqual(ex.title, title)
self.assertEqual(ex.description, description)
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
assert self.req.path == '/'
def test_client_accepts_bogus(self):
headers = {'Accept': '~'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('text/plain'))
self.assertFalse(req.client_accepts('application/json'))
def test_date(self):
date = datetime.datetime(2013, 4, 4, 5, 19, 18)
headers = {'date': 'Thu, 04 Apr 2013 05:19:18 GMT'}
req = Request(testing.create_environ(headers=headers))
self.assertEquals(req.date, date)
def test_method(self):
self.assertEqual(self.req.method, 'GET')
self.req = Request(testing.create_environ(path='', method='HEAD'))
self.assertEqual(self.req.method, 'HEAD')
def test_bogus_content_length_neg(self):
headers = {'content-length': '-1'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.content_length)
def test_range_invalid(self):
headers = {'Range': '10240'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '--'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3- '}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'fizbit'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'a-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'a-3'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'x-y'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=0-0,-1'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
def __call__(self, env, start_response):
"""WSGI "app" method
Makes instances of API callable by any WSGI server. See also PEP 333.
Args:
env: A WSGI environment dictionary
start_response: A WSGI helper method for setting status and headers
on a response.
"""
req = Request(env)
resp = Response()
responder, params, na_responder = self._get_responder(
req.path, req.method)
try:
responder(req, resp, **params)
except HTTPError as ex:
resp.status = ex.status
if ex.headers is not None:
resp.set_headers(ex.headers)
if req.client_accepts('application/json'):
resp.body = ex.json()
except TypeError as ex:
# NOTE(kgriffs): Get the stack trace up here since we can just
# use this convenience function which graps the last raised
# exception context.
stack_trace = traceback.format_exc()
# See if the method doesn't support the given route's params, to
# support assigning multiple routes to the same resource.
try:
argspec = responder.wrapped_argspec
except AttributeError:
argspec = inspect.getargspec(responder)
# First three args should be (self, req, resp)
if argspec.args[0] == 'self':
offset = 3
else:
offset = 2
args_needed = set(argspec.args[offset:])
args_given = set(params.keys())
# Reset the response
resp = Response()
# Does the responder require more or fewer args than given?
if args_needed != args_given:
req.log_error('A responder method could not be found with the '
'correct arguments.')
na_responder(req, resp)
else:
# Error caused by something else
req.log_error('A responder method (on_*) raised TypeError. %s'
% stack_trace)
falcon.responders.internal_server_error(req, resp)
#
# Set status and headers
#
use_body = not helpers.should_ignore_body(resp.status, req.method)
if use_body:
helpers.set_content_length(resp)
body = helpers.get_body(resp)
else:
# Default: return an empty body
body = []
# Set content type if needed
use_content_type = (body or
req.method == 'HEAD' or
resp.status == HTTP_416)
if use_content_type:
media_type = self._media_type
else:
media_type = None
headers = resp._wsgi_headers(media_type)
# Return the response per the WSGI spec
start_response(resp.status, headers)
return body
class TestReqVars(object):
def setup_method(self, method):
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.app = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.req = Request(testing.create_environ(
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
self.req_noqs = Request(testing.create_environ(
app=self.app,
path='/hello',
headers=self.headers))
def test_missing_qs(self):
env = testing.create_environ()
if 'QUERY_STRING' in env:
del env['QUERY_STRING']
# Should not cause an exception when Request is instantiated
Request(env)
def test_empty(self):
assert self.req.auth is None
def test_host(self):
assert self.req.host == testing.DEFAULT_HOST
def test_subdomain(self):
req = Request(testing.create_environ(
host='com',
path='/hello',
headers=self.headers))
assert req.subdomain is None
req = Request(testing.create_environ(
host='example.com',
path='/hello',
headers=self.headers))
assert req.subdomain == 'example'
req = Request(testing.create_environ(
host='highwire.example.com',
path='/hello',
headers=self.headers))
assert req.subdomain == 'highwire'
req = Request(testing.create_environ(
host='lb01.dfw01.example.com',
port=8080,
path='/hello',
headers=self.headers))
assert req.subdomain == 'lb01'
# NOTE(kgriffs): Behavior for IP addresses is undefined,
# so just make sure it doesn't blow up.
req = Request(testing.create_environ(
host='127.0.0.1',
path='/hello',
headers=self.headers))
assert type(req.subdomain) == str
# NOTE(kgriffs): Test fallback to SERVER_NAME by using
# HTTP 1.0, which will cause .create_environ to not set
# HTTP_HOST.
req = Request(testing.create_environ(
protocol='HTTP/1.0',
host='example.com',
path='/hello',
headers=self.headers))
assert req.subdomain == 'example'
def test_reconstruct_url(self):
req = self.req
scheme = req.protocol
host = req.get_header('host')
app = req.app
path = req.path
query_string = req.query_string
expected_uri = ''.join([scheme, '://', host, app, path,
'?', query_string])
assert expected_uri == req.uri
@pytest.mark.skipif(not six.PY3, reason='Test only applies to Python 3')
@pytest.mark.parametrize('test_path', [
u'/hello_\u043f\u0440\u0438\u0432\u0435\u0442',
u'/test/%E5%BB%B6%E5%AE%89',
u'/test/%C3%A4%C3%B6%C3%BC%C3%9F%E2%82%AC',
])
def test_nonlatin_path(self, test_path):
# NOTE(kgriffs): When a request comes in, web servers decode
# the path. The decoded path may contain UTF-8 characters,
# but according to the WSGI spec, no strings can contain chars
# outside ISO-8859-1. Therefore, to reconcile the URI
# encoding standard that allows UTF-8 with the WSGI spec
# that does not, WSGI servers tunnel the string via
# ISO-8859-1. falcon.testing.create_environ() mimics this
# behavior, e.g.:
#
# tunnelled_path = path.encode('utf-8').decode('iso-8859-1')
#
# falcon.Request does the following to reverse the process:
#
# path = tunnelled_path.encode('iso-8859-1').decode('utf-8', 'replace')
#
req = Request(testing.create_environ(
host='com',
path=test_path,
headers=self.headers))
assert req.path == falcon.uri.decode(test_path)
def test_uri(self):
uri = ('http://' + testing.DEFAULT_HOST + ':8080' +
self.app + self.relative_uri)
assert self.req.url == uri
# NOTE(kgriffs): Call twice to check caching works
assert self.req.uri == uri
assert self.req.uri == uri
uri_noqs = ('http://' + testing.DEFAULT_HOST + self.app + self.path)
assert self.req_noqs.uri == uri_noqs
def test_uri_https(self):
# =======================================================
# Default port, implicit
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https'))
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
assert req.uri == uri
# =======================================================
# Default port, explicit
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https', port=443))
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
assert req.uri == uri
# =======================================================
# Non-default port
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https', port=22))
uri = ('https://' + testing.DEFAULT_HOST + ':22/hello')
assert req.uri == uri
def test_uri_http_1_0(self):
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=80,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST + ':8080' +
self.app + self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=443,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=22,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST + ':22' +
self.app + self.relative_uri)
assert req.uri == uri
def test_relative_uri(self):
assert self.req.relative_uri == self.app + self.relative_uri
assert self.req_noqs.relative_uri == self.app + self.path
req_noapp = Request(testing.create_environ(
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req_noapp.relative_uri == self.relative_uri
req_noapp = Request(testing.create_environ(
path='/hello/',
query_string=self.qs,
headers=self.headers))
# NOTE(kgriffs): Call twice to check caching works
assert req_noapp.relative_uri == self.relative_uri
assert req_noapp.relative_uri == self.relative_uri
options = RequestOptions()
options.strip_url_path_trailing_slash = False
req_noapp = Request(testing.create_environ(
path='/hello/',
query_string=self.qs,
headers=self.headers),
options=options)
assert req_noapp.relative_uri == '/hello/' + '?' + self.qs
def test_client_accepts(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/xml')
headers = {'Accept': '*/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/xml')
assert req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('application/xml')
assert not req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
headers = {} # NOTE(kgriffs): Equivalent to '*/*' per RFC
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/xml')
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('application/xml')
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'application/xm'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('application/xml')
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('application/json')
assert req.client_accepts('application/xml')
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'text/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('text/csv')
assert not req.client_accepts('application/xhtml+xml')
headers = {'Accept': 'text/*, application/xhtml+xml; q=0.0'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('text/csv')
assert not req.client_accepts('application/xhtml+xml')
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('application/xhtml+xml')
headers = {'Accept': 'text/*, application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('application/xml')
assert req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'text/*,application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts('text/plain')
assert req.client_accepts('application/xml')
assert req.client_accepts('application/json')
assert req.client_accepts('application/x-msgpack')
def test_client_accepts_bogus(self):
headers = {'Accept': '~'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts('text/plain')
assert not req.client_accepts('application/json')
def test_client_accepts_props(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts_xml
assert not req.client_accepts_json
assert not req.client_accepts_msgpack
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts_xml
assert req.client_accepts_json
assert req.client_accepts_msgpack
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts_xml
assert req.client_accepts_json
assert not req.client_accepts_msgpack
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts_xml
assert not req.client_accepts_json
assert req.client_accepts_msgpack
headers = {'Accept': 'application/msgpack'}
req = Request(testing.create_environ(headers=headers))
assert not req.client_accepts_xml
assert not req.client_accepts_json
assert req.client_accepts_msgpack
headers = {
'Accept': 'application/json,application/xml,application/x-msgpack'
}
req = Request(testing.create_environ(headers=headers))
assert req.client_accepts_xml
assert req.client_accepts_json
assert req.client_accepts_msgpack
def test_client_prefers(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xml'])
assert preferred_type == 'application/xml'
headers = {'Accept': '*/*'}
preferred_type = req.client_prefers(('application/xml',
'application/json'))
# NOTE(kgriffs): If client doesn't care, "prefer" the first one
assert preferred_type == 'application/xml'
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
assert preferred_type == 'application/xhtml+xml'
headers = {'Accept': '3p12845j;;;asfd;'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
assert preferred_type is None
def test_range(self):
headers = {'Range': 'bytes=10-'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, -1)
headers = {'Range': 'bytes=10-20'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, 20)
headers = {'Range': 'bytes=-10240'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (-10240, -1)
headers = {'Range': 'bytes=0-2'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (0, 2)
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPInvalidHeader):
req.range
req = Request(testing.create_environ())
assert req.range is None
def test_range_unit(self):
headers = {'Range': 'bytes=10-'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, -1)
assert req.range_unit == 'bytes'
headers = {'Range': 'items=10-'}
req = Request(testing.create_environ(headers=headers))
assert req.range == (10, -1)
assert req.range_unit == 'items'
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPInvalidHeader):
req.range_unit
req = Request(testing.create_environ())
assert req.range_unit is None
def test_range_invalid(self):
headers = {'Range': 'bytes=10240'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-'}
expected_desc = ('The value provided for the Range header is '
'invalid. The range offsets are missing.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=--'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-3-'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-3-4'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3-4'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3-'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3- '}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=fizbit'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=a-'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=a-3'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-b'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-b'}
req = Request(testing.create_environ(headers=headers))
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=x-y'}
expected_desc = ('The value provided for the Range header is '
'invalid. It must be a range formatted '
'according to RFC 7233.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=0-0,-1'}
expected_desc = ('The value provided for the Range '
'header is invalid. The value must be a '
'continuous range.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': '10-'}
expected_desc = ('The value provided for the Range '
'header is invalid. The value must be '
"prefixed with a range unit, e.g. 'bytes='")
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_missing_attribute_header(self):
req = Request(testing.create_environ())
assert req.range is None
req = Request(testing.create_environ())
assert req.content_length is None
def test_content_length(self):
headers = {'content-length': '5656'}
req = Request(testing.create_environ(headers=headers))
assert req.content_length == 5656
headers = {'content-length': ''}
req = Request(testing.create_environ(headers=headers))
assert req.content_length is None
def test_bogus_content_length_nan(self):
headers = {'content-length': 'fuzzy-bunnies'}
expected_desc = ('The value provided for the '
'Content-Length header is invalid. The value '
'of the header must be a number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_bogus_content_length_neg(self):
headers = {'content-length': '-1'}
expected_desc = ('The value provided for the Content-Length '
'header is invalid. The value of the header '
'must be a positive number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
@pytest.mark.parametrize('header,attr', [
('Date', 'date'),
('If-Modified-Since', 'if_modified_since'),
('If-Unmodified-Since', 'if_unmodified_since'),
])
def test_date(self, header, attr):
date = datetime.datetime(2013, 4, 4, 5, 19, 18)
date_str = 'Thu, 04 Apr 2013 05:19:18 GMT'
self._test_header_expected_value(header, date_str, attr, date)
@pytest.mark.parametrize('header,attr', [
('Date', 'date'),
('If-Modified-Since', 'if_modified_since'),
('If-Unmodified-Since', 'if_unmodified_since'),
])
def test_date_invalid(self, header, attr):
# Date formats don't conform to RFC 1123
headers = {header: 'Thu, 04 Apr 2013'}
expected_desc = ('The value provided for the {0} '
'header is invalid. It must be formatted '
'according to RFC 7231, Section 7.1.1.1')
self._test_error_details(headers, attr,
falcon.HTTPInvalidHeader,
'Invalid header value',
expected_desc.format(header))
headers = {header: ''}
self._test_error_details(headers, attr,
falcon.HTTPInvalidHeader,
'Invalid header value',
expected_desc.format(header))
@pytest.mark.parametrize('attr', ('date', 'if_modified_since', 'if_unmodified_since'))
def test_date_missing(self, attr):
req = Request(testing.create_environ())
assert getattr(req, attr) is None
def test_attribute_headers(self):
hash = 'fa0d1a60ef6616bb28038515c8ea4cb2'
auth = 'HMAC_SHA1 c590afa9bb59191ffab30f223791e82d3fd3e3af'
agent = 'testing/1.0.1'
default_agent = 'curl/7.24.0 (x86_64-apple-darwin12.0)'
referer = 'https://www.google.com/'
self._test_attribute_header('Accept', 'x-falcon', 'accept',
default='*/*')
self._test_attribute_header('Authorization', auth, 'auth')
self._test_attribute_header('Content-Type', 'text/plain',
'content_type')
self._test_attribute_header('Expect', '100-continue', 'expect')
self._test_attribute_header('If-Match', hash, 'if_match')
self._test_attribute_header('If-None-Match', hash, 'if_none_match')
self._test_attribute_header('If-Range', hash, 'if_range')
self._test_attribute_header('User-Agent', agent, 'user_agent',
default=default_agent)
self._test_attribute_header('Referer', referer, 'referer')
def test_method(self):
assert self.req.method == 'GET'
self.req = Request(testing.create_environ(path='', method='HEAD'))
assert self.req.method == 'HEAD'
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
assert self.req.path == '/'
def test_content_type_method(self):
assert self.req.get_header('content-type') == 'text/plain'
def test_content_length_method(self):
assert self.req.get_header('content-length') == '4829'
# TODO(kgriffs): Migrate to pytest and parametrized fixtures
# to DRY things up a bit.
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_port_explicit(self, protocol):
port = 9000
req = Request(testing.create_environ(
protocol=protocol,
port=port,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.port == port
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_scheme_https(self, protocol):
scheme = 'https'
req = Request(testing.create_environ(
protocol=protocol,
scheme=scheme,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.scheme == scheme
assert req.port == 443
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_scheme_http(self, protocol):
scheme = 'http'
req = Request(testing.create_environ(
protocol=protocol,
scheme=scheme,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.scheme == scheme
assert req.port == 80
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_netloc_default_port(self, protocol):
req = Request(testing.create_environ(
protocol=protocol,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.netloc == 'falconframework.org'
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_netloc_nondefault_port(self, protocol):
req = Request(testing.create_environ(
protocol=protocol,
port='8080',
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
assert req.netloc == 'falconframework.org:8080'
@pytest.mark.parametrize('protocol', _PROTOCOLS)
def test_netloc_from_env(self, protocol):
port = 9000
host = 'example.org'
env = testing.create_environ(
protocol=protocol,
host=host,
port=port,
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers)
req = Request(env)
assert req.port == port
assert req.netloc == '{0}:{1}'.format(host, port)
# -------------------------------------------------------------------------
# Helpers
# -------------------------------------------------------------------------
def _test_attribute_header(self, name, value, attr, default=None):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
assert getattr(req, attr) == value
req = Request(testing.create_environ())
assert getattr(req, attr) == default
def _test_header_expected_value(self, name, value, attr, expected_value):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
assert getattr(req, attr) == expected_value
def _test_error_details(self, headers, attr_name,
error_type, title, description):
req = Request(testing.create_environ(headers=headers))
try:
getattr(req, attr_name)
pytest.fail('{0} not raised'.format(error_type.__name__))
except error_type as ex:
assert ex.title == title
assert ex.description == description
def test_client_accepts(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': '*/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
self.assertFalse(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {} # NOTE(kgriffs): Equivalent to '*/*' per RFC
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'application/xm'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'text/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertFalse(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*, application/xhtml+xml; q=0.0'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertFalse(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*, application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'text/*,application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
class TestReqVars(testing.TestBase):
def before(self):
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.app = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.req = Request(testing.create_environ(
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
self.req_noqs = Request(testing.create_environ(
app=self.app,
path='/hello',
headers=self.headers))
def test_missing_qs(self):
env = testing.create_environ()
if 'QUERY_STRING' in env:
del env['QUERY_STRING']
# Should not cause an exception when Request is instantiated
Request(env)
def test_empty(self):
self.assertIs(self.req.auth, None)
def test_host(self):
self.assertEqual(self.req.host, testing.DEFAULT_HOST)
def test_subdomain(self):
req = Request(testing.create_environ(
host='com',
path='/hello',
headers=self.headers))
self.assertIs(req.subdomain, None)
req = Request(testing.create_environ(
host='example.com',
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'example')
req = Request(testing.create_environ(
host='highwire.example.com',
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'highwire')
req = Request(testing.create_environ(
host='lb01.dfw01.example.com',
port=8080,
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'lb01')
# NOTE(kgriffs): Behavior for IP addresses is undefined,
# so just make sure it doesn't blow up.
req = Request(testing.create_environ(
host='127.0.0.1',
path='/hello',
headers=self.headers))
self.assertEqual(type(req.subdomain), str)
# NOTE(kgriffs): Test fallback to SERVER_NAME by using
# HTTP 1.0, which will cause .create_environ to not set
# HTTP_HOST.
req = Request(testing.create_environ(
protocol='HTTP/1.0',
host='example.com',
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'example')
def test_reconstruct_url(self):
req = self.req
scheme = req.protocol
host = req.get_header('host')
app = req.app
path = req.path
query_string = req.query_string
expected_uri = ''.join([scheme, '://', host, app, path,
'?', query_string])
self.assertEqual(expected_uri, req.uri)
@testtools.skipUnless(six.PY3, 'Test only applies to Python 3')
def test_nonlatin_path(self):
cyrillic_path = u'/hello_\u043f\u0440\u0438\u0432\u0435\u0442'
cyrillic_path_decoded = cyrillic_path.encode('utf-8').decode('latin1')
req = Request(testing.create_environ(
host='com',
path=cyrillic_path_decoded,
headers=self.headers))
self.assertEqual(req.path, cyrillic_path)
def test_uri(self):
uri = ('http://' + testing.DEFAULT_HOST + ':8080' +
self.app + self.relative_uri)
self.assertEqual(self.req.url, uri)
# NOTE(kgriffs): Call twice to check caching works
self.assertEqual(self.req.uri, uri)
self.assertEqual(self.req.uri, uri)
uri_noqs = ('http://' + testing.DEFAULT_HOST + self.app + self.path)
self.assertEqual(self.req_noqs.uri, uri_noqs)
def test_uri_https(self):
# =======================================================
# Default port, implicit
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https'))
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
self.assertEqual(req.uri, uri)
# =======================================================
# Default port, explicit
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https', port=443))
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
self.assertEqual(req.uri, uri)
# =======================================================
# Non-default port
# =======================================================
req = Request(testing.create_environ(
path='/hello', scheme='https', port=22))
uri = ('https://' + testing.DEFAULT_HOST + ':22/hello')
self.assertEqual(req.uri, uri)
def test_uri_http_1_0(self):
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=80,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST + ':8080' +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=443,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=22,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST + ':22' +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
def test_relative_uri(self):
self.assertEqual(self.req.relative_uri, self.app + self.relative_uri)
self.assertEqual(
self.req_noqs.relative_uri, self.app + self.path)
req_noapp = Request(testing.create_environ(
path='/hello',
query_string=self.qs,
headers=self.headers))
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
req_noapp = Request(testing.create_environ(
path='/hello/',
query_string=self.qs,
headers=self.headers))
# NOTE(kgriffs): Call twice to check caching works
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
def test_client_accepts(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': '*/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
self.assertFalse(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {} # NOTE(kgriffs): Equivalent to '*/*' per RFC
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'application/xm'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'text/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertFalse(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*, application/xhtml+xml; q=0.0'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertTrue(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
headers = {'Accept': 'text/*, application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'text/*,application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
def test_client_accepts_bogus(self):
headers = {'Accept': '~'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('text/plain'))
self.assertFalse(req.client_accepts('application/json'))
def test_client_accepts_props(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertFalse(req.client_accepts_json)
self.assertFalse(req.client_accepts_msgpack)
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
self.assertTrue(req.client_accepts_msgpack)
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
self.assertFalse(req.client_accepts_msgpack)
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts_xml)
self.assertFalse(req.client_accepts_json)
self.assertTrue(req.client_accepts_msgpack)
headers = {
'Accept': 'application/json,application/xml,application/x-msgpack'
}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
self.assertTrue(req.client_accepts_msgpack)
def test_client_prefers(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xml'])
self.assertEqual(preferred_type, 'application/xml')
headers = {'Accept': '*/*'}
preferred_type = req.client_prefers(('application/xml',
'application/json'))
# NOTE(kgriffs): If client doesn't care, "preferr" the first one
self.assertEqual(preferred_type, 'application/xml')
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
self.assertEqual(preferred_type, 'application/xhtml+xml')
headers = {'Accept': '3p12845j;;;asfd;'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
self.assertEqual(preferred_type, None)
def test_range(self):
headers = {'Range': 'bytes=10-'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (10, -1))
headers = {'Range': 'bytes=10-20'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (10, 20))
headers = {'Range': 'bytes=-10240'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (-10240, -1))
headers = {'Range': 'bytes=0-2'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (0, 2))
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPInvalidHeader, lambda: req.range)
req = Request(testing.create_environ())
self.assertIs(req.range, None)
def test_range_invalid(self):
headers = {'Range': 'bytes=10240'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-'}
expected_desc = ('The value provided for the Range header is '
'invalid. The byte offsets are missing.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=--'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-3- '}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=fizbit'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=a-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=a-3'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=3-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=x-y'}
expected_desc = ('The value provided for the Range header is '
'invalid. It must be a byte range formatted '
'according to RFC 2616.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=0-0,-1'}
expected_desc = ('The value provided for the Range '
'header is invalid. The value must be a '
'continuous byte range.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': '10-'}
expected_desc = ("The value provided for the Range "
"header is invalid. The value must be "
"prefixed with 'bytes='")
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_missing_attribute_header(self):
req = Request(testing.create_environ())
self.assertEqual(req.range, None)
req = Request(testing.create_environ())
self.assertEqual(req.content_length, None)
def test_content_length(self):
headers = {'content-length': '5656'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.content_length, 5656)
headers = {'content-length': ''}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.content_length, None)
def test_bogus_content_length_nan(self):
headers = {'content-length': 'fuzzy-bunnies'}
expected_desc = ('The value provided for the '
'Content-Length header is invalid. The value '
'of the header must be a number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_bogus_content_length_neg(self):
headers = {'content-length': '-1'}
expected_desc = ('The value provided for the Content-Length '
'header is invalid. The value of the header '
'must be a positive number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
@ddt.data(('Date', 'date'),
('If-Modified-since', 'if_modified_since'),
('If-Unmodified-since', 'if_unmodified_since'),
)
@ddt.unpack
def test_date(self, header, attr):
date = datetime.datetime(2013, 4, 4, 5, 19, 18)
date_str = 'Thu, 04 Apr 2013 05:19:18 GMT'
self._test_header_expected_value(header, date_str, attr, date)
@ddt.data(('Date', 'date'),
('If-Modified-Since', 'if_modified_since'),
('If-Unmodified-Since', 'if_unmodified_since'),
)
@ddt.unpack
def test_date_invalid(self, header, attr):
# Date formats don't conform to RFC 1123
headers = {header: 'Thu, 04 Apr 2013'}
expected_desc = ('The value provided for the {0} '
'header is invalid. It must be formatted '
'according to RFC 7231, Section 7.1.1.1')
self._test_error_details(headers, attr,
falcon.HTTPInvalidHeader,
'Invalid header value',
expected_desc.format(header))
headers = {header: ''}
self._test_error_details(headers, attr,
falcon.HTTPInvalidHeader,
'Invalid header value',
expected_desc.format(header))
@ddt.data('date', 'if_modified_since', 'if_unmodified_since')
def test_date_missing(self, attr):
req = Request(testing.create_environ())
self.assertIs(getattr(req, attr), None)
def test_attribute_headers(self):
hash = 'fa0d1a60ef6616bb28038515c8ea4cb2'
auth = 'HMAC_SHA1 c590afa9bb59191ffab30f223791e82d3fd3e3af'
agent = 'testing/1.0.1'
default_agent = 'curl/7.24.0 (x86_64-apple-darwin12.0)'
self._test_attribute_header('Accept', 'x-falcon', 'accept',
default='*/*')
self._test_attribute_header('Authorization', auth, 'auth')
self._test_attribute_header('Content-Type', 'text/plain',
'content_type')
self._test_attribute_header('Expect', '100-continue', 'expect')
self._test_attribute_header('If-Match', hash, 'if_match')
self._test_attribute_header('If-None-Match', hash, 'if_none_match')
self._test_attribute_header('If-Range', hash, 'if_range')
self._test_attribute_header('User-Agent', agent, 'user_agent',
default=default_agent)
def test_method(self):
self.assertEqual(self.req.method, 'GET')
self.req = Request(testing.create_environ(path='', method='HEAD'))
self.assertEqual(self.req.method, 'HEAD')
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
self.assertEqual(self.req.path, '/')
def test_content_type_method(self):
self.assertEqual(self.req.get_header('content-type'), 'text/plain')
def test_content_length_method(self):
self.assertEqual(self.req.get_header('content-length'), '4829')
# -------------------------------------------------------------------------
# Helpers
# -------------------------------------------------------------------------
def _test_attribute_header(self, name, value, attr, default=None):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(getattr(req, attr), value)
req = Request(testing.create_environ())
self.assertEqual(getattr(req, attr), default)
def _test_header_expected_value(self, name, value, attr, expected_value):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(getattr(req, attr), expected_value)
def _test_error_details(self, headers, attr_name,
error_type, title, description):
req = Request(testing.create_environ(headers=headers))
try:
getattr(req, attr_name)
self.fail('{0} not raised'.format(error_type.__name__))
except error_type as ex:
self.assertEqual(ex.title, title)
self.assertEqual(ex.description, description)
def test_uri_http_1_0(self):
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=80,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST + ':8080' +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=443,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=22,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST + ':22' +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
def test_client_accepts(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': '*/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
self.assertFalse(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {} # NOTE(kgriffs): Equivalent to '*/*' per RFC
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'application/xm'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'text/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertFalse(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*, application/xhtml+xml; q=0.0'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertTrue(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
headers = {'Accept': 'text/*, application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'text/*,application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
self.assertEqual(self.req.path, '/')
def __call__(self, env, start_response):
"""WSGI "app" method
Makes instances of API callable by any WSGI server. See also PEP 333.
Args:
env: A WSGI environment dictionary
start_response: A WSGI helper method for setting status and
headers on a response.
"""
req = Request(env)
resp = Response()
responder, params = self._get_responder(req.path, req.method)
try:
# NOTE(kgriffs): Using an inner try..except in order to
# address the case when err_handler raises HTTPError.
#
# NOTE(kgriffs): Coverage is giving false negatives,
# so disabled on relevant lines. All paths are tested
# afaict.
try:
responder(req, resp, **params) # pragma: no cover
except Exception as ex:
for err_type, err_handler in self._error_handlers:
if isinstance(ex, err_type):
err_handler(ex, req, resp, params)
break # pragma: no cover
else:
# PERF(kgriffs): This will propagate HTTPError to
# the handler below. It makes handling HTTPError
# less efficient, but that is OK since error cases
# don't need to be as fast as the happy path, and
# indeed, should perhaps be slower to create
# backpressure on clients that are issuing bad
# requests.
raise
except HTTPError as ex:
resp.status = ex.status
if ex.headers is not None:
resp.set_headers(ex.headers)
if req.client_accepts('application/json'):
resp.body = ex.json()
#
# Set status and headers
#
use_body = not helpers.should_ignore_body(resp.status, req.method)
if use_body:
helpers.set_content_length(resp)
body = helpers.get_body(resp)
else:
# Default: return an empty body
body = []
# Set content type if needed
use_content_type = (body or req.method == 'HEAD'
or resp.status == HTTP_416)
if use_content_type:
media_type = self._media_type
else:
media_type = None
headers = resp._wsgi_headers(media_type)
# Return the response per the WSGI spec
start_response(resp.status, headers)
return body