def _make_etag(value, is_weak=False):
"""Creates and returns an ETag object.
Args:
value (str): Unquated entity tag value
is_weak (bool): The weakness indicator
Returns:
A ``str``-like Etag instance with weakness indicator.
"""
etag = ETag(value)
etag.is_weak = is_weak
return etag
def _make_etag(value, is_weak=False):
"""Creates and returns an ETag object.
Args:
value (str): Unquated entity tag value
is_weak (bool): The weakness indicator
Returns:
A ``str``-like Etag instance with weakness indicator.
"""
etag = ETag(value)
etag.is_weak = is_weak
return etag
class TestRequestAttributes:
def setup_method(self, method):
asgi = self._item.callspec.getparam('asgi')
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.root_path = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.req = create_req(asgi,
root_path=self.root_path,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers)
self.req_noqs = create_req(asgi,
root_path=self.root_path,
path='/hello',
headers=self.headers)
def test_empty(self, asgi):
assert self.req.auth is None
def test_host(self, asgi):
assert self.req.host == testing.DEFAULT_HOST
def test_subdomain(self, asgi):
req = create_req(asgi, host='com', path='/hello', headers=self.headers)
assert req.subdomain is None
req = create_req(asgi,
host='example.com',
path='/hello',
headers=self.headers)
assert req.subdomain == 'example'
req = create_req(asgi,
host='highwire.example.com',
path='/hello',
headers=self.headers)
assert req.subdomain == 'highwire'
req = create_req(asgi,
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 = create_req(asgi,
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 = create_req(asgi,
http_version='1.0',
host='example.com',
path='/hello',
headers=self.headers)
assert req.subdomain == 'example'
def test_reconstruct_url(self, asgi):
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, asgi, 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 = create_req(asgi,
host='com',
path=test_path,
headers=self.headers)
assert req.path == falcon.uri.decode(test_path)
def test_uri(self, asgi):
prefix = 'http://' + testing.DEFAULT_HOST + ':8080' + self.root_path
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.root_path +
self.path)
assert self.req_noqs.uri == uri_noqs
def test_uri_https(self, asgi):
# =======================================================
# Default port, implicit
# =======================================================
req = create_req(asgi, path='/hello', scheme='https')
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
assert req.uri == uri
# =======================================================
# Default port, explicit
# =======================================================
req = create_req(asgi, path='/hello', scheme='https', port=443)
uri = ('https://' + testing.DEFAULT_HOST + '/hello')
assert req.uri == uri
# =======================================================
# Non-default port
# =======================================================
req = create_req(asgi, path='/hello', scheme='https', port=22)
uri = ('https://' + testing.DEFAULT_HOST + ':22/hello')
assert req.uri == uri
def test_uri_http_1_0(self, asgi):
# =======================================================
# HTTP, 80
# =======================================================
req = create_req(asgi,
http_version='1.0',
root_path=self.root_path,
port=80,
path='/hello',
query_string=self.qs,
headers=self.headers)
uri = ('http://' + testing.DEFAULT_HOST + self.root_path +
self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = create_req(asgi,
http_version='1.0',
root_path=self.root_path,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers)
uri = ('http://' + testing.DEFAULT_HOST + ':8080' + self.root_path +
self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = create_req(asgi,
http_version='1.0',
scheme='https',
root_path=self.root_path,
port=443,
path='/hello',
query_string=self.qs,
headers=self.headers)
uri = ('https://' + testing.DEFAULT_HOST + self.root_path +
self.relative_uri)
assert req.uri == uri
# =======================================================
# HTTP, 80
# =======================================================
req = create_req(asgi,
http_version='1.0',
scheme='https',
root_path=self.root_path,
port=22,
path='/hello',
query_string=self.qs,
headers=self.headers)
uri = ('https://' + testing.DEFAULT_HOST + ':22' + self.root_path +
self.relative_uri)
assert req.uri == uri
def test_relative_uri(self, asgi):
assert self.req.relative_uri == self.root_path + self.relative_uri
assert self.req_noqs.relative_uri == self.root_path + self.path
req_noapp = create_req(asgi,
path='/hello',
query_string=self.qs,
headers=self.headers)
assert req_noapp.relative_uri == self.relative_uri
req_noapp = create_req(asgi,
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 = create_req(asgi,
options=options,
path='/hello/',
query_string=self.qs,
headers=self.headers)
assert req_noapp.relative_uri == '/hello/' + '?' + self.qs
def test_client_accepts(self, asgi):
headers = {'Accept': 'application/xml'}
req = create_req(asgi, headers=headers)
assert req.client_accepts('application/xml')
headers = {'Accept': '*/*'}
req = create_req(asgi, 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 = create_req(asgi, 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 = create_req(asgi, headers=headers)
assert req.client_accepts('application/xml')
headers = {'Accept': 'application/json'}
req = create_req(asgi, headers=headers)
assert not req.client_accepts('application/xml')
headers = {'Accept': 'application/x-msgpack'}
req = create_req(asgi, headers=headers)
assert req.client_accepts('application/x-msgpack')
headers = {'Accept': 'application/xm'}
req = create_req(asgi, headers=headers)
assert not req.client_accepts('application/xml')
headers = {'Accept': 'application/*'}
req = create_req(asgi, 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 = create_req(asgi, 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 = create_req(asgi, 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 = create_req(asgi, headers=headers)
assert req.client_accepts('text/plain')
assert req.client_accepts('application/xhtml+xml')
headers = {'Accept': 'text/*, application/*'}
req = create_req(asgi, 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 = create_req(asgi, 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, asgi):
headers = {'Accept': '~'}
req = create_req(asgi, headers=headers)
assert not req.client_accepts('text/plain')
assert not req.client_accepts('application/json')
def test_client_accepts_props(self, asgi):
headers = {'Accept': 'application/xml'}
req = create_req(asgi, headers=headers)
assert req.client_accepts_xml
assert not req.client_accepts_json
assert not req.client_accepts_msgpack
headers = {'Accept': 'application/*'}
req = create_req(asgi, headers=headers)
assert req.client_accepts_xml
assert req.client_accepts_json
assert req.client_accepts_msgpack
headers = {'Accept': 'application/json'}
req = create_req(asgi, 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 = create_req(asgi, headers=headers)
assert not req.client_accepts_xml
assert not req.client_accepts_json
assert req.client_accepts_msgpack
headers = {'Accept': 'application/msgpack'}
req = create_req(asgi, 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 = create_req(asgi, headers=headers)
assert req.client_accepts_xml
assert req.client_accepts_json
assert req.client_accepts_msgpack
def test_client_prefers(self, asgi):
headers = {'Accept': 'application/xml'}
req = create_req(asgi, 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 = create_req(asgi, headers=headers)
preferred_type = req.client_prefers(['application/xhtml+xml'])
assert preferred_type == 'application/xhtml+xml'
headers = {'Accept': '3p12845j;;;asfd;'}
req = create_req(asgi, headers=headers)
preferred_type = req.client_prefers(['application/xhtml+xml'])
assert preferred_type is None
def test_range(self, asgi):
headers = {'Range': 'bytes=10-'}
req = create_req(asgi, headers=headers)
assert req.range == (10, -1)
headers = {'Range': 'bytes=10-20'}
req = create_req(asgi, headers=headers)
assert req.range == (10, 20)
headers = {'Range': 'bytes=-10240'}
req = create_req(asgi, headers=headers)
assert req.range == (-10240, -1)
headers = {'Range': 'bytes=0-2'}
req = create_req(asgi, headers=headers)
assert req.range == (0, 2)
headers = {'Range': ''}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPInvalidHeader):
req.range
req = create_req(asgi)
assert req.range is None
def test_range_unit(self, asgi):
headers = {'Range': 'bytes=10-'}
req = create_req(asgi, headers=headers)
assert req.range == (10, -1)
assert req.range_unit == 'bytes'
headers = {'Range': 'items=10-'}
req = create_req(asgi, headers=headers)
assert req.range == (10, -1)
assert req.range_unit == 'items'
headers = {'Range': ''}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPInvalidHeader):
req.range_unit
req = create_req(asgi)
assert req.range_unit is None
def test_range_invalid(self, asgi):
headers = {'Range': 'bytes=10240'}
req = create_req(asgi, 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, asgi)
headers = {'Range': 'bytes=--'}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-3-'}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-3-4'}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3-4'}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3-'}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-3- '}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=fizbit'}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=a-'}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=a-3'}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=-b'}
req = create_req(asgi, headers=headers)
with pytest.raises(falcon.HTTPBadRequest):
req.range
headers = {'Range': 'bytes=3-b'}
req = create_req(asgi, 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, asgi)
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, asgi)
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, asgi)
def test_missing_attribute_header(self, asgi):
req = create_req(asgi)
assert req.range is None
req = create_req(asgi)
assert req.content_length is None
def test_content_length(self, asgi):
headers = {'content-length': '5656'}
req = create_req(asgi, headers=headers)
assert req.content_length == 5656
headers = {'content-length': ''}
req = create_req(asgi, headers=headers)
assert req.content_length is None
def test_bogus_content_length_nan(self, asgi):
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, asgi)
def test_bogus_content_length_neg(self, asgi):
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, asgi)
@pytest.mark.parametrize('header,attr', [
('Date', 'date'),
('If-Modified-Since', 'if_modified_since'),
('If-Unmodified-Since', 'if_unmodified_since'),
])
def test_date(self, asgi, header, attr):
date = datetime.datetime(2013, 4, 4, 5, 19, 18)
date_str = 'Thu, 04 Apr 2013 05:19:18 GMT'
headers = {header: date_str}
req = create_req(asgi, headers=headers)
assert getattr(req, 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, asgi, 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), asgi)
headers = {header: ''}
self._test_error_details(headers, attr, falcon.HTTPInvalidHeader,
'Invalid header value',
expected_desc.format(header), asgi)
@pytest.mark.parametrize(
'attr', ('date', 'if_modified_since', 'if_unmodified_since'))
def test_date_missing(self, asgi, attr):
req = create_req(asgi)
assert getattr(req, attr) is None
@pytest.mark.parametrize('name,value,attr,default', [
('Accept', 'x-falcon', 'accept', '*/*'),
('Authorization', 'HMAC_SHA1 c590afa9bb59191ffab30f223791e82d3fd3e3af',
'auth', None),
('Content-Type', 'text/plain', 'content_type', None),
('Expect', '100-continue', 'expect', None),
('If-Range', 'Wed, 21 Oct 2015 07:28:00 GMT', 'if_range', None),
('User-Agent', 'testing/3.0', 'user_agent', None),
('Referer', 'https://www.google.com/', 'referer', None),
])
def test_attribute_headers(self, asgi, name, value, attr, default):
headers = {name: value}
req = create_req(asgi, headers=headers)
assert getattr(req, attr) == value
req = create_req(asgi)
assert getattr(req, attr) == default
def test_method(self, asgi):
assert self.req.method == 'GET'
self.req = create_req(asgi, path='', method='HEAD')
assert self.req.method == 'HEAD'
def test_empty_path(self, asgi):
self.req = create_req(asgi, path='')
assert self.req.path == '/'
def test_content_type_method(self, asgi):
assert self.req.get_header('content-type') == 'text/plain'
def test_content_length_method(self, asgi):
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('http_version', _HTTP_VERSIONS)
def test_port_explicit(self, asgi, http_version):
port = 9000
req = create_req(asgi,
http_version=http_version,
port=port,
root_path=self.root_path,
path='/hello',
query_string=self.qs,
headers=self.headers)
assert req.port == port
@pytest.mark.parametrize('http_version', _HTTP_VERSIONS)
def test_scheme_https(self, asgi, http_version):
scheme = 'https'
req = create_req(asgi,
http_version=http_version,
scheme=scheme,
root_path=self.root_path,
path='/hello',
query_string=self.qs,
headers=self.headers)
assert req.scheme == scheme
assert req.port == 443
@pytest.mark.parametrize('http_version, set_forwarded_proto',
list(
itertools.product(_HTTP_VERSIONS,
[True, False])))
def test_scheme_http(self, asgi, http_version, set_forwarded_proto):
scheme = 'http'
forwarded_scheme = 'HttPs'
headers = dict(self.headers)
if set_forwarded_proto:
headers['X-Forwarded-Proto'] = forwarded_scheme
req = create_req(asgi,
http_version=http_version,
scheme=scheme,
root_path=self.root_path,
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('http_version', _HTTP_VERSIONS)
def test_netloc_default_port(self, asgi, http_version):
req = create_req(asgi,
http_version=http_version,
root_path=self.root_path,
path='/hello',
query_string=self.qs,
headers=self.headers)
assert req.netloc == 'falconframework.org'
@pytest.mark.parametrize('http_version', _HTTP_VERSIONS)
def test_netloc_nondefault_port(self, asgi, http_version):
req = create_req(asgi,
http_version=http_version,
port='8080',
root_path=self.root_path,
path='/hello',
query_string=self.qs,
headers=self.headers)
assert req.netloc == 'falconframework.org:8080'
@pytest.mark.parametrize('http_version', _HTTP_VERSIONS)
def test_netloc_from_env(self, asgi, http_version):
port = 9000
host = 'example.org'
req = create_req(asgi,
http_version=http_version,
host=host,
port=port,
root_path=self.root_path,
path='/hello',
query_string=self.qs,
headers=self.headers)
assert req.port == port
assert req.netloc == '{}:{}'.format(host, port)
def test_app_present(self, asgi):
req = create_req(asgi, root_path='/moving-pictures')
assert req.app == '/moving-pictures'
def test_app_blank(self, asgi):
req = create_req(asgi, root_path='')
assert req.app == ''
@pytest.mark.parametrize(
'etag,expected_value',
[
('', 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),
]),
])
@pytest.mark.parametrize('name,attr', [
('If-Match', 'if_match'),
('If-None-Match', 'if_none_match'),
])
def test_etag(self, asgi, name, attr, etag, expected_value):
headers = {name: etag}
req = create_req(asgi, 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_etag_is_missing(self, asgi):
# 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, asgi, 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_error_details(self, headers, attr_name, error_type, title,
description, asgi):
req = create_req(asgi, 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