diff options
Diffstat (limited to 'mox_test.py')
| -rwxr-xr-x | mox_test.py | 194 |
1 files changed, 177 insertions, 17 deletions
diff --git a/mox_test.py b/mox_test.py index 5519a7f..bf806f6 100755 --- a/mox_test.py +++ b/mox_test.py @@ -269,6 +269,7 @@ class IsATest(unittest.TestCase): stringIO = cStringIO.StringIO() self.assert_(isA == stringIO) + class IsAlmostTest(unittest.TestCase): """Verify IsAlmost correctly checks equality of floating point numbers.""" @@ -292,6 +293,7 @@ class IsAlmostTest(unittest.TestCase): self.assertNotEquals(mox.IsAlmost('1.8999999999'), 1.9) self.assertNotEquals(mox.IsAlmost('1.8999999999'), '1.9') + class MockMethodTest(unittest.TestCase): """Test class to verify that the MockMethod class is working correctly.""" @@ -425,6 +427,10 @@ class MockAnythingTest(unittest.TestCase): def setUp(self): self.mock_object = mox.MockAnything() + def testRepr(self): + """Calling repr on a MockAnything instance must work.""" + self.assertEqual('<MockAnything instance>', repr(self.mock_object)) + def testSetupMode(self): """Verify the mock will accept any call.""" self.mock_object.NonsenseCall() @@ -793,10 +799,7 @@ class MockObjectTest(unittest.TestCase): self.assertRaises(mox.ExpectedMethodCallsError, dummy._Verify) def testMockSetItem_ExpectedNoSetItem_Success(self): - """Test that __setitem__() gets mocked in Dummy. - - In this test, _Verify() succeeds. - """ + """Test that __setitem__() gets mocked in Dummy.""" dummy = mox.MockObject(TestClass) # NOT doing dummy['X'] = 'Y' @@ -805,8 +808,6 @@ class MockObjectTest(unittest.TestCase): def call(): dummy['X'] = 'Y' self.assertRaises(mox.UnexpectedMethodCallError, call) - dummy._Verify() - def testMockSetItem_ExpectedNoSetItem_NoSuccess(self): """Test that __setitem__() gets mocked in Dummy. @@ -834,8 +835,25 @@ class MockObjectTest(unittest.TestCase): dummy._Verify() + def testMockSetItem_WithSubClassOfNewStyleClass(self): + class NewStyleTestClass(object): + def __init__(self): + self.my_dict = {} + + def __setitem__(self, key, value): + self.my_dict[key], value + + class TestSubClass(NewStyleTestClass): + pass + + dummy = mox.MockObject(TestSubClass) + dummy[1] = 2 + dummy._Replay() + dummy[1] = 2 + dummy._Verify() + def testMockGetItem_ExpectedGetItem_Success(self): - """Test that __setitem__() gets mocked in Dummy. + """Test that __getitem__() gets mocked in Dummy. In this test, _Verify() succeeds. """ @@ -849,7 +867,7 @@ class MockObjectTest(unittest.TestCase): dummy._Verify() def testMockGetItem_ExpectedGetItem_NoSuccess(self): - """Test that __setitem__() gets mocked in Dummy. + """Test that __getitem__() gets mocked in Dummy. In this test, _Verify() fails. """ @@ -863,10 +881,7 @@ class MockObjectTest(unittest.TestCase): self.assertRaises(mox.ExpectedMethodCallsError, dummy._Verify) def testMockGetItem_ExpectedNoGetItem_NoSuccess(self): - """Test that __setitem__() gets mocked in Dummy. - - In this test, _Verify() succeeds. - """ + """Test that __getitem__() gets mocked in Dummy.""" dummy = mox.MockObject(TestClass) # NOT doing dummy['X'] @@ -875,10 +890,8 @@ class MockObjectTest(unittest.TestCase): def call(): return dummy['X'] self.assertRaises(mox.UnexpectedMethodCallError, call) - dummy._Verify() - def testMockGetItem_ExpectedGetItem_NonmatchingParameters(self): - """Test that __setitem__() fails if other parameters are expected.""" + """Test that __getitem__() fails if other parameters are expected.""" dummy = mox.MockObject(TestClass) dummy['X'].AndReturn('value') @@ -890,6 +903,34 @@ class MockObjectTest(unittest.TestCase): dummy._Verify() + def testMockGetItem_WithSubClassOfNewStyleClass(self): + class NewStyleTestClass(object): + def __getitem__(self, key): + return {1: '1', 2: '2'}[key] + + class TestSubClass(NewStyleTestClass): + pass + + dummy = mox.MockObject(TestSubClass) + dummy[1].AndReturn('3') + + dummy._Replay() + self.assertEquals('3', dummy.__getitem__(1)) + dummy._Verify() + + def testMockIter_ExpectedIter_Success(self): + """Test that __iter__() gets mocked in Dummy. + + In this test, _Verify() succeeds. + """ + dummy = mox.MockObject(TestClass) + iter(dummy).AndReturn(iter(['X', 'Y'])) + + dummy._Replay() + + self.assertEqual([x for x in dummy], ['X', 'Y']) + + dummy._Verify() def testMockContains_ExpectedContains_Success(self): """Test that __contains__ gets mocked in Dummy. @@ -931,6 +972,65 @@ class MockObjectTest(unittest.TestCase): dummy._Verify() + def testMockIter_ExpectedIter_NoSuccess(self): + """Test that __iter__() gets mocked in Dummy. + + In this test, _Verify() fails. + """ + dummy = mox.MockObject(TestClass) + iter(dummy).AndReturn(iter(['X', 'Y'])) + + dummy._Replay() + + # NOT doing self.assertEqual([x for x in dummy], ['X', 'Y']) + + self.assertRaises(mox.ExpectedMethodCallsError, dummy._Verify) + + def testMockIter_ExpectedNoIter_NoSuccess(self): + """Test that __iter__() gets mocked in Dummy.""" + dummy = mox.MockObject(TestClass) + # NOT doing iter(dummy) + + dummy._Replay() + + def call(): return [x for x in dummy] + self.assertRaises(mox.UnexpectedMethodCallError, call) + + def testMockIter_ExpectedGetItem_Success(self): + """Test that __iter__() gets mocked in Dummy using getitem.""" + dummy = mox.MockObject(SubscribtableNonIterableClass) + dummy[0].AndReturn('a') + dummy[1].AndReturn('b') + dummy[2].AndRaise(IndexError) + + dummy._Replay() + self.assertEquals(['a', 'b'], [x for x in dummy]) + dummy._Verify() + + def testMockIter_ExpectedNoGetItem_NoSuccess(self): + """Test that __iter__() gets mocked in Dummy using getitem.""" + dummy = mox.MockObject(SubscribtableNonIterableClass) + # NOT doing dummy[index] + + dummy._Replay() + function = lambda: [x for x in dummy] + self.assertRaises(mox.UnexpectedMethodCallError, function) + + def testMockGetIter_WithSubClassOfNewStyleClass(self): + class NewStyleTestClass(object): + def __iter__(self): + return iter([1, 2, 3]) + + class TestSubClass(NewStyleTestClass): + pass + + dummy = mox.MockObject(TestSubClass) + iter(dummy).AndReturn(iter(['a', 'b'])) + dummy._Replay() + self.assertEquals(['a', 'b'], [x for x in dummy]) + dummy._Verify() + + class MoxTest(unittest.TestCase): """Verify Mox works correctly.""" @@ -979,6 +1079,16 @@ class MoxTest(unittest.TestCase): self.assertEquals("qux", ret_val) self.mox.VerifyAll() + def testInheritedCallableObject(self): + """Test recording calls to an object inheriting from a callable object.""" + mock_obj = self.mox.CreateMock(InheritsFromCallable) + mock_obj("foo").AndReturn("qux") + self.mox.ReplayAll() + + ret_val = mock_obj("foo") + self.assertEquals("qux", ret_val) + self.mox.VerifyAll() + def testCallOnNonCallableObject(self): """Test that you cannot call a non-callable object.""" mock_obj = self.mox.CreateMock(TestClass) @@ -1106,13 +1216,13 @@ class MoxTest(unittest.TestCase): mock_obj.Method(3) mock_obj.Method(3) + self.mox.VerifyAll() + self.assertEquals(9, actual_one) self.assertEquals(9, second_one) # Repeated calls should return same number. self.assertEquals(10, actual_two) self.assertEquals(42, actual_three) - self.mox.VerifyAll() - def testMultipleTimesUsingIsAParameter(self): """Test if MultipleTimesGroup works with a IsA parameter.""" mock_obj = self.mox.CreateMockAnything() @@ -1126,11 +1236,40 @@ class MoxTest(unittest.TestCase): second_one = mock_obj.Method("2") # This tests MultipleTimes. mock_obj.Close() + self.mox.VerifyAll() + self.assertEquals(9, actual_one) self.assertEquals(9, second_one) # Repeated calls should return same number. + def testMutlipleTimesUsingFunc(self): + """Test that the Func is not evaluated more times than necessary. + + If a Func() has side effects, it can cause a passing test to fail. + """ + + self.counter = 0 + def MyFunc(actual_str): + """Increment the counter if actual_str == 'foo'.""" + if actual_str == 'foo': + self.counter += 1 + return True + + mock_obj = self.mox.CreateMockAnything() + mock_obj.Open() + mock_obj.Method(mox.Func(MyFunc)).MultipleTimes() + mock_obj.Close() + self.mox.ReplayAll() + + mock_obj.Open() + mock_obj.Method('foo') + mock_obj.Method('foo') + mock_obj.Method('not-foo') + mock_obj.Close() + self.mox.VerifyAll() + self.assertEquals(2, self.counter) + def testMultipleTimesThreeMethods(self): """Test if MultipleTimesGroup works with three or more methods.""" mock_obj = self.mox.CreateMockAnything() @@ -1268,6 +1407,12 @@ class MoxTest(unittest.TestCase): self.assertEquals('foo', actual) self.failIf(isinstance(test_obj.OtherValidCall, mox.MockAnything)) + def testWarnsUserIfMockingMock(self): + """Test that user is warned if they try to stub out a MockAnything.""" + self.mox.StubOutWithMock(TestClass, 'MyStaticMethod') + self.assertRaises(TypeError, self.mox.StubOutWithMock, TestClass, + 'MyStaticMethod') + def testStubOutObject(self): """Test than object is replaced with a Mock.""" @@ -1301,6 +1446,7 @@ class MoxTest(unittest.TestCase): self.assertEquals('MockMethod has no attribute "ShowMeTheMoney". ' 'Did you remember to put your mocks in replay mode?', str(e)) + class ReplayTest(unittest.TestCase): """Verify Replay works properly.""" @@ -1311,6 +1457,7 @@ class ReplayTest(unittest.TestCase): mox.Replay(mock_obj) self.assertTrue(mock_obj._replay_mode) + class MoxTestBaseTest(unittest.TestCase): """Verify that all tests in a class derived from MoxTestBase are wrapped.""" @@ -1524,6 +1671,8 @@ class TestClass: """Returns True if d contains the key.""" return key in self.d + def __iter__(self): + pass class ChildClass(TestClass): """This inherits from TestClass.""" @@ -1544,5 +1693,16 @@ class CallableClass(object): return param +class SubscribtableNonIterableClass(object): + def __getitem__(self, index): + raise IndexError + + +class InheritsFromCallable(CallableClass): + """This class should also be mockable; it inherits from a callable class.""" + + pass + + if __name__ == '__main__': unittest.main() |