Error message for non extending PactHelper

README.rst

@@ -45,4 +45,11 @@ possible to test all the versions at once with:
 
 .. code:: bash
 
-  $ ./bin/test all
+  $ ./bin/test all
+
+Upload New Version
+------------------
+
+.. code:: bash
+
+  $ python3 setup.py sdist upload

pact_test/constants/__init__.py

@@ -12,3 +12,4 @@
 MISSING_SETUP = 'Missing "setup" method in "pact_helper.py".'
 MISSING_HAS_PACT_WITH = 'Missing setup for "has_pact_with" at '
 MISSING_TEAR_DOWN = 'Missing "tear_down" method in "pact_helper.py".'
+EXTEND_PACT_HELPER = 'Pact Helper class must extend pact_test.PactHelper'

pact_test/utils/pact_helper_utils.py

@@ -5,6 +5,7 @@
 from pact_test import PactHelper
 from pact_test.constants import MISSING_SETUP
 from pact_test.constants import MISSING_TEAR_DOWN
+from pact_test.constants import EXTEND_PACT_HELPER
 from pact_test.constants import MISSING_PACT_HELPER
 
 
@@ -21,6 +22,8 @@ def _load_user_class(user_module):
         if inspect.isclass(obj) and len(inspect.getmro(obj)) > 2 and issubclass(obj, PactHelper):
             user_class = obj()
 
+    if user_class is None:
+        return Left(EXTEND_PACT_HELPER)
     if hasattr(user_class, 'setup') is False:
         return Left(MISSING_SETUP)
     if hasattr(user_class, 'tear_down') is False:

setup.py

@@ -3,7 +3,7 @@
 
 setup(
     name='pact-test',
-    version='0.1.2',
+    version='0.1.7',
     author='Guido Barbaglia',
     author_email='guido.barbaglia@gmail.com',
     packages=find_packages(),

tests/resources/pact_helper_no_super_class/pact_helper.py

@@ -0,0 +1,3 @@
+class MyPactHelper(object):
+    def setup(self):
+        pass

tests/utils/pact_helper_utils.py

@@ -39,7 +39,8 @@ def test_load_user_class_missing_setup():
 
 def test_load_user_class_missing_tear_down():
     consumer_tests_path = os.path.join(os.getcwd(), 'tests',
-                                       'resources', 'pact_helper_no_tear_down')
+                                       'resources',
+                                       'pact_helper_no_tear_down')
     pact_helper = load_pact_helper(consumer_tests_path).value
 
     error_message = 'Missing "tear_down" method in "pact_helper.py".'
@@ -51,3 +52,13 @@ def test_load_pact_helper():
                                        'resources', 'pact_helper')
     pact_helper = load_pact_helper(consumer_tests_path).value
     assert issubclass(pact_helper.__class__, PactHelper)
+
+
+def test_not_extending_pact_helper():
+    consumer_tests_path = os.path.join(os.getcwd(), 'tests',
+                                       'resources',
+                                       'pact_helper_no_super_class')
+    pact_helper = load_pact_helper(consumer_tests_path).value
+
+    error_message = 'Pact Helper class must extend pact_test.PactHelper'
+    assert pact_helper == error_message