129 lines
3.9 KiB
Python
129 lines
3.9 KiB
Python
# Copyright 2014 Google Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""HTTP helpers mock functionality."""
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from six.moves import http_client
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class ResponseMock(dict):
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"""Mock HTTP response"""
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def __init__(self, vals=None):
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if vals is None:
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vals = {}
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self.update(vals)
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self.status = int(self.get('status', http_client.OK))
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class HttpMock(object):
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"""Mock of HTTP object."""
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def __init__(self, headers=None, data=None):
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"""HttpMock constructor.
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Args:
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headers: dict, header to return with response
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"""
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if headers is None:
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headers = {'status': http_client.OK}
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self.data = data
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self.response_headers = headers
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self.headers = None
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self.uri = None
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self.method = None
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self.body = None
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self.headers = None
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self.requests = 0
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def request(self, uri,
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method='GET',
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body=None,
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headers=None,
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redirections=1,
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connection_type=None):
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self.uri = uri
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self.method = method
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self.body = body
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self.headers = headers
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self.redirections = redirections
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self.requests += 1
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return ResponseMock(self.response_headers), self.data
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class HttpMockSequence(object):
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"""Mock of HTTP object with multiple return values.
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Mocks a sequence of calls to request returning different responses for each
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call. Create an instance initialized with the desired response headers
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and content and then use as if an HttpMock instance::
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http = HttpMockSequence([
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({'status': '401'}, b''),
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({'status': '200'}, b'{"access_token":"1/3w","expires_in":3600}'),
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({'status': '200'}, 'echo_request_headers'),
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])
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resp, content = http.request("http://examples.com")
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There are special values you can pass in for content to trigger
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behavours that are helpful in testing.
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* 'echo_request_headers' means return the request headers in the response
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body
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* 'echo_request_body' means return the request body in the response body
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"""
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def __init__(self, iterable):
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"""HttpMockSequence constructor.
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Args:
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iterable: iterable, a sequence of pairs of (headers, body)
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"""
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self._iterable = iterable
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self.requests = []
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def request(self, uri,
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method='GET',
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body=None,
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headers=None,
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redirections=1,
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connection_type=None):
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resp, content = self._iterable.pop(0)
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self.requests.append({
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'method': method,
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'uri': uri,
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'body': body,
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'headers': headers,
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})
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# Read any underlying stream before sending the request.
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body_stream_content = (body.read()
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if getattr(body, 'read', None) else None)
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if content == 'echo_request_headers':
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content = headers
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elif content == 'echo_request_body':
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content = (body
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if body_stream_content is None else body_stream_content)
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return ResponseMock(resp), content
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class CacheMock(object):
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def __init__(self):
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self.cache = {}
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def get(self, key, namespace=''):
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# ignoring namespace for easier testing
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return self.cache.get(key, None)
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