Use http methods instead of requests directly

tests/utils.py

@@ -1,3 +1,31 @@
+import requests
+
+
+class Expectations():
+    """Helper for mocking http requests"""
+    def __init__(self, requests=[], responses=[]):
+        self.requests = requests
+        self.responses = responses
+
+    def mock_prepare(self, request):
+        expected = self.requests.pop(0)
+        assert request.method == expected.method
+        assert request.url == expected.url
+        assert request.data == expected.data
+        assert request.headers == expected.headers
+        assert request.params == expected.params
+
+    def mock_send(self, *args, **kwargs):
+        return self.responses.pop(0)
+
+    def add(self, req, res):
+        self.requests.append(req)
+        self.responses.append(res)
+
+    def patch(self, monkeypatch):
+        monkeypatch.setattr(requests.Session, 'prepare_request', self.mock_prepare)
+        monkeypatch.setattr(requests.Session, 'send', self.mock_send)
+
 
 class MockResponse:
     def __init__(self, response_data={}, ok=True, is_redirect=False):