Improved testing approach (many testcases in decorators)

headphones/unittestcompat.py

@@ -19,14 +19,60 @@ class TestCase(TC):
     """
     Wrapper for python 2.6 stubs
     """
+
+    def assertIsInstance(self, obj, cls, msg=None):
+        if not _dummy:
+            return super(TestCase, self).assertIsInstance(obj, cls, msg)
+        tst = isinstance(obj, cls)
+        return self.assertTrue(tst, msg)
+
     @_d
-    def assertIsInstance(self, *args, **kw):
-        return super(TestCase, self).assertIsInstance(*args, **kw)
+    def assertNotIsInstance(self, *args, **kw):
+        return super(TestCase, self).assertNotIsInstance(*args, **kw)
 
     @_d
     def assertIn(self, *args, **kw):
         return super(TestCase, self).assertIn(*args, **kw)
 
-    @_d
-    def assertIsNotNone(self, *args, **kw):
-        return super(TestCase, self).assertIsNotNone(*args, **kw)
+    def assertIsNotNone(self, val, msg=None):
+        if not _dummy:
+            return super(TestCase, self).assertIsNotNone(val, msg)
+        tst = val is not None
+        return super(TestCase, self).assertTrue(val, msg)
+
+    class _TestCaseRaiseStub:
+        def __init__(self, exc, tc):
+            self.exc = exc
+            self.tc = tc
+        def __enter__(self):
+            return self
+        def __exit__(self, tp, value, traceback):
+            tst = tp is self.exc
+            self.tc.assertTrue(tst)
+            self.exception = value
+            return True
+
+    def assertRaises(self, exc, msg = None):
+        if not _dummy:
+            return super(TestCase, self).assertRaises(exc, msg)
+        return TestCase._TestCaseRaiseStub(exc, self)
+
+def TestArgs(*parameters):
+    def tuplify(x):
+        if not isinstance(x, tuple):
+            return (x,)
+        return x
+
+    def decorator(method, parameters=parameters):
+        for parameter in (tuplify(x) for x in parameters):
+
+            def method_for_parameter(self, method=method, parameter=parameter):
+                method(self, *parameter)
+            args_for_parameter = ",".join(repr(v) for v in parameter)
+            name_for_parameter = method.__name__ + "(" + args_for_parameter + ")"
+            frame = sys._getframe(1)    # pylint: disable-msg=W0212
+            frame.f_locals[name_for_parameter] = method_for_parameter
+            frame.f_locals[name_for_parameter].__doc__ = method.__doc__ + '(' + args_for_parameter + ')'
+            method_for_parameter.__name__ = name_for_parameter + '(' + args_for_parameter + ')'
+        return None
+    return decorator