+# Use this hostname when you want to make sure the traffic will be
+# instantly refused. 100::/64 is a dedicated black hole.
+TEST_HOST = '100::'
+
+skip_sleep = mock.patch('time.sleep', lambda n: None) # clown'll eat me
+
+# fake_httplib2_response and mock_responses
+# mock calls to httplib2.Http.request()
+def fake_httplib2_response(code, **headers):
+ headers.update(status=str(code),
+ reason=httplib.responses.get(code, "Unknown Response"))
+ return httplib2.Response(headers)
+
+def mock_responses(body, *codes, **headers):
+ return mock.patch('httplib2.Http.request', side_effect=(
+ (fake_httplib2_response(code, **headers), body) for code in codes))
+
+# fake_requests_response, mock_get_responses and mock_put_responses
+# mock calls to requests.get() and requests.put()
+def fake_requests_response(code, body, **headers):
+ r = requests.Response()
+ r.status_code = code
+ r.reason = httplib.responses.get(code, "Unknown Response")
+ r.headers = headers
+ r.raw = io.BytesIO(body)
+ return r
+
+def mock_get_responses(body, *codes, **headers):
+ return mock.patch('requests.get', side_effect=(
+ fake_requests_response(code, body, **headers) for code in codes))
+
+def mock_put_responses(body, *codes, **headers):
+ return mock.patch('requests.put', side_effect=(
+ fake_requests_response(code, body, **headers) for code in codes))
+
+def mock_requestslib_responses(method, body, *codes, **headers):
+ return mock.patch(method, side_effect=(
+ fake_requests_response(code, body, **headers) for code in codes))
+
+class MockStreamReader(object):
+ def __init__(self, name='.', *data):
+ self._name = name
+ self._data = ''.join(data)
+ self._data_locators = ['{}+{}'.format(hashlib.md5(d).hexdigest(),
+ len(d)) for d in data]
+ self.num_retries = 0
+
+ def name(self):
+ return self._name
+
+ def readfrom(self, start, size, num_retries=None):
+ self._readfrom(start, size, num_retries=num_retries)
+
+ def _readfrom(self, start, size, num_retries=None):
+ return self._data[start:start + size]
+