def test_success(self):
"""
Status codes indicating success pass the response through without any
exceptions.
"""
def _response_for(method, url, params, headers, data):
return 200, {}, b'hello world'
resource = StringStubbingResource(_response_for)
treq = StubTreq(resource)
request = documint_request_factory(treq.request)
self.assertThat(
request(b'GET', b'http://example.com/success'),
succeeded(
AfterPreprocessing(
treq.content,
succeeded(Equals(b'hello world')))))
def test_malformed_error(self):
"""
Documint errors that do not have a JSON content type raise
`MalformedDocumintError`.
"""
def _response_for(method, url, params, headers, data):
return 400, {}, b'an error'
resource = StringStubbingResource(_response_for)
treq = StubTreq(resource)
request = documint_request_factory(treq.request)
self.assertThat(
request(b'GET', b'http://example.com/malformed_error'),
failed(
AfterPreprocessing(
lambda f: f.value,
MatchesAll(
IsInstance(MalformedDocumintError),
MatchesStructure(data=Equals(b'an error'))))))
def test_not_json_error(self):
"""
Documint errors that have a JSON content type but do not contain valid
JSON raise `MalformedDocumintError`.
"""
def _response_for(method, url, params, headers, data):
return (400,
{b'Content-Type': b'application/json'},
b'hello world')
resource = StringStubbingResource(_response_for)
treq = StubTreq(resource)
request = documint_request_factory(treq.request)
self.assertThat(
request(b'GET', b'http://example.com/not_json_error'),
failed(
AfterPreprocessing(
lambda f: f.value,
MatchesAll(
IsInstance(MalformedDocumintError),
MatchesStructure(data=Equals(b'hello world'))))))
def test_error(self):
"""
Documint errors are parsed into a structured exception.
"""
def _response_for(method, url, params, headers, data):
return (400,
{b'Content-Type': b'application/json'},
json.dumps({u'causes': [
{u'type': u'foo',
u'reason': 42,
u'description': u'nope'},
{u'type': u'bar',
u'reason': 42,
u'description': None},
{u'type': u'baz',
u'reason': None,
u'description': None}]}))
resource = StringStubbingResource(_response_for)
treq = StubTreq(resource)
request = documint_request_factory(treq.request)
def cause(t, r=None, d=None):
return MatchesStructure(type=Equals(t),
reason=Equals(r),
description=Equals(d))
self.assertThat(
request(b'GET', b'http://example.com/error'),
failed(
AfterPreprocessing(
lambda f: f.value,
MatchesAll(
IsInstance(DocumintError),
MatchesStructure(
causes=MatchesListwise([
cause(u'foo', 42, u'nope'),
cause(u'bar', 42),
cause(u'baz')]))))))
