subclient tokens: bugfix & return proper data.

Also introduces responses, as an alternative to httpretty (it works
better).

tests/test_blender_id_subclient.py

@@ -0,0 +1,55 @@
+# -*- encoding: utf-8 -*-
+
+import responses
+import json
+
+from bson import ObjectId
+
+from common_test_class import AbstractPillarTest
+
+TEST_FULL_NAME = u'врач Сергей'
+TEST_EMAIL = 'jemoeder@example.com'
+TEST_SUBCLIENT_TOKEN = 'my-subclient-token-for-pillar'
+BLENDER_ID_TEST_USERID = 1896
+BLENDER_ID_USER_RESPONSE = {'status': 'success',
+                            'user': {'email': TEST_EMAIL, 'full_name': TEST_FULL_NAME}}
+
+
+class BlenderIdSubclientTest(AbstractPillarTest):
+    @responses.activate
+    def test_store_scst_new_user(self):
+        self._common_user_test(201)
+
+    @responses.activate
+    def test_store_scst_existing_user(self):
+        # Make sure the user exists in our database.
+        from application.utils.authentication import create_new_user
+        with self.app.test_request_context():
+            create_new_user(TEST_EMAIL, 'apekoppie', BLENDER_ID_TEST_USERID)
+
+        self._common_user_test(200)
+
+    def _common_user_test(self, expected_status_code):
+        responses.add(responses.POST,
+                      '%s/subclients/validate_token' % self.app.config['BLENDER_ID_ENDPOINT'],
+                      json=BLENDER_ID_USER_RESPONSE,
+                      status=200)
+
+        resp = self.client.post('/blender_id/store_scst',
+                                data={'user_id': BLENDER_ID_TEST_USERID,
+                                      'scst': TEST_SUBCLIENT_TOKEN})
+        self.assertEqual(expected_status_code, resp.status_code)
+
+        user_info = json.loads(resp.data)  # {'status': 'success', 'subclient_user_id': '...'}
+        self.assertEqual('success', user_info['status'])
+        # Check that the user was correctly updated
+        with self.app.test_request_context():
+            users = self.app.data.driver.db['users']
+            db_user = users.find_one(ObjectId(user_info['subclient_user_id']))
+            self.assertIsNotNone(db_user, 'user %r not found' % user_info['subclient_user_id'])
+
+            self.assertEqual(TEST_EMAIL, db_user['email'])
+            self.assertEqual(TEST_FULL_NAME, db_user['full_name'])
+            self.assertEqual(TEST_SUBCLIENT_TOKEN, db_user['auth'][0]['token'])
+            self.assertEqual(str(BLENDER_ID_TEST_USERID), db_user['auth'][0]['user_id'])
+            self.assertEqual('blender-id', db_user['auth'][0]['provider'])