Issue #712. Add api_mock decorator factory for mocking w/ fixtures.

webcompat/helpers.py

@@ -12,6 +12,7 @@
 import urlparse
 
 from babel.dates import format_timedelta
+from flask import g
 from flask import session
 from ua_parser import user_agent_parser
 
@@ -308,3 +309,27 @@ def get_comment_data(request_data):
     of a request's data object.'''
     comment_data = json.loads(request_data)
     return json.dumps({"body": comment_data['rawBody']})
+
+
+def api_mock(auth_response, non_auth_response):
+    '''Decorator factory for mocking out API reponses
+
+    This allows us to send back fixture files when in TESTING mode, rather
+    than making API requests over the network. See /api/endponts.py
+    for usage.'''
+    # These file paths are relative to helpers.py
+    FIXTURES_PATH = os.path.join(os.path.dirname(__file__), os.pardir,
+                                 'tests/fixtures')
+
+    def wrap(func):
+        def wrapped_func(*args, **kwargs):
+            if app.config['TESTING']:
+                if g.user and auth_response is not None:
+                    file = open(os.path.join(FIXTURES_PATH, auth_response))
+                    return file.read()
+                elif non_auth_response is not None:
+                    file = open(os.path.join(FIXTURES_PATH, non_auth_response))
+                    return file.read()
+            return func(*args, **kwargs)
+        return wrapped_func
+    return wrap