diff options
Diffstat (limited to 'Lib/unittest/test/testmock/testmock.py')
| -rw-r--r-- | Lib/unittest/test/testmock/testmock.py | 198 |
1 files changed, 182 insertions, 16 deletions
diff --git a/Lib/unittest/test/testmock/testmock.py b/Lib/unittest/test/testmock/testmock.py index cef5405..cf1673c 100644 --- a/Lib/unittest/test/testmock/testmock.py +++ b/Lib/unittest/test/testmock/testmock.py @@ -1,5 +1,6 @@ import copy import sys +import tempfile import unittest from unittest.test.testmock.support import is_instance @@ -25,6 +26,18 @@ class Iter(object): __next__ = next +class Something(object): + def meth(self, a, b, c, d=None): + pass + + @classmethod + def cmeth(cls, a, b, c, d=None): + pass + + @staticmethod + def smeth(a, b, c, d=None): + pass + class MockTest(unittest.TestCase): @@ -142,6 +155,24 @@ class MockTest(unittest.TestCase): mock = Mock(side_effect=side_effect, return_value=sentinel.RETURN) self.assertEqual(mock(), sentinel.RETURN) + def test_autospec_side_effect(self): + # Test for issue17826 + results = [1, 2, 3] + def effect(): + return results.pop() + def f(): + pass + + mock = create_autospec(f) + mock.side_effect = [1, 2, 3] + self.assertEqual([mock(), mock(), mock()], [1, 2, 3], + "side effect not used correctly in create_autospec") + # Test where side effect is a callable + results = [1, 2, 3] + mock = create_autospec(f) + mock.side_effect = effect + self.assertEqual([mock(), mock(), mock()], [3, 2, 1], + "callable side effect not used correctly") @unittest.skipUnless('java' in sys.platform, 'This test only applies to Jython') @@ -207,6 +238,9 @@ class MockTest(unittest.TestCase): # used to cause recursion mock.reset_mock() + def test_reset_mock_on_mock_open_issue_18622(self): + a = mock.mock_open() + a.reset_mock() def test_call(self): mock = Mock() @@ -257,6 +291,9 @@ class MockTest(unittest.TestCase): self.assertEqual(mock.call_args, ((sentinel.Arg,), {"kw": sentinel.Kwarg})) + # Comparing call_args to a long sequence should not raise + # an exception. See issue 24857. + self.assertFalse(mock.call_args == "a long sequence") def test_assert_called_with(self): mock = Mock() @@ -273,6 +310,43 @@ class MockTest(unittest.TestCase): mock.assert_called_with(1, 2, 3, a='fish', b='nothing') + def test_assert_called_with_function_spec(self): + def f(a, b, c, d=None): + pass + + mock = Mock(spec=f) + + mock(1, b=2, c=3) + mock.assert_called_with(1, 2, 3) + mock.assert_called_with(a=1, b=2, c=3) + self.assertRaises(AssertionError, mock.assert_called_with, + 1, b=3, c=2) + # Expected call doesn't match the spec's signature + with self.assertRaises(AssertionError) as cm: + mock.assert_called_with(e=8) + self.assertIsInstance(cm.exception.__cause__, TypeError) + + + def test_assert_called_with_method_spec(self): + def _check(mock): + mock(1, b=2, c=3) + mock.assert_called_with(1, 2, 3) + mock.assert_called_with(a=1, b=2, c=3) + self.assertRaises(AssertionError, mock.assert_called_with, + 1, b=3, c=2) + + mock = Mock(spec=Something().meth) + _check(mock) + mock = Mock(spec=Something.cmeth) + _check(mock) + mock = Mock(spec=Something().cmeth) + _check(mock) + mock = Mock(spec=Something.smeth) + _check(mock) + mock = Mock(spec=Something().smeth) + _check(mock) + + def test_assert_called_once_with(self): mock = Mock() mock() @@ -297,6 +371,29 @@ class MockTest(unittest.TestCase): ) + def test_assert_called_once_with_function_spec(self): + def f(a, b, c, d=None): + pass + + mock = Mock(spec=f) + + mock(1, b=2, c=3) + mock.assert_called_once_with(1, 2, 3) + mock.assert_called_once_with(a=1, b=2, c=3) + self.assertRaises(AssertionError, mock.assert_called_once_with, + 1, b=3, c=2) + # Expected call doesn't match the spec's signature + with self.assertRaises(AssertionError) as cm: + mock.assert_called_once_with(e=8) + self.assertIsInstance(cm.exception.__cause__, TypeError) + # Mock called more than once => always fails + mock(4, 5, 6) + self.assertRaises(AssertionError, mock.assert_called_once_with, + 1, 2, 3) + self.assertRaises(AssertionError, mock.assert_called_once_with, + 4, 5, 6) + + def test_attribute_access_returns_mocks(self): mock = Mock() something = mock.something @@ -995,6 +1092,39 @@ class MockTest(unittest.TestCase): ) + def test_assert_has_calls_with_function_spec(self): + def f(a, b, c, d=None): + pass + + mock = Mock(spec=f) + + mock(1, b=2, c=3) + mock(4, 5, c=6, d=7) + mock(10, 11, c=12) + calls = [ + ('', (1, 2, 3), {}), + ('', (4, 5, 6), {'d': 7}), + ((10, 11, 12), {}), + ] + mock.assert_has_calls(calls) + mock.assert_has_calls(calls, any_order=True) + mock.assert_has_calls(calls[1:]) + mock.assert_has_calls(calls[1:], any_order=True) + mock.assert_has_calls(calls[:-1]) + mock.assert_has_calls(calls[:-1], any_order=True) + # Reversed order + calls = list(reversed(calls)) + with self.assertRaises(AssertionError): + mock.assert_has_calls(calls) + mock.assert_has_calls(calls, any_order=True) + with self.assertRaises(AssertionError): + mock.assert_has_calls(calls[1:]) + mock.assert_has_calls(calls[1:], any_order=True) + with self.assertRaises(AssertionError): + mock.assert_has_calls(calls[:-1]) + mock.assert_has_calls(calls[:-1], any_order=True) + + def test_assert_any_call(self): mock = Mock() mock(1, 2) @@ -1021,6 +1151,26 @@ class MockTest(unittest.TestCase): ) + def test_assert_any_call_with_function_spec(self): + def f(a, b, c, d=None): + pass + + mock = Mock(spec=f) + + mock(1, b=2, c=3) + mock(4, 5, c=6, d=7) + mock.assert_any_call(1, 2, 3) + mock.assert_any_call(a=1, b=2, c=3) + mock.assert_any_call(4, 5, 6, 7) + mock.assert_any_call(a=4, b=5, c=6, d=7) + self.assertRaises(AssertionError, mock.assert_any_call, + 1, b=3, c=2) + # Expected call doesn't match the spec's signature + with self.assertRaises(AssertionError) as cm: + mock.assert_any_call(e=8) + self.assertIsInstance(cm.exception.__cause__, TypeError) + + def test_mock_calls_create_autospec(self): def f(a, b): pass @@ -1039,6 +1189,10 @@ class MockTest(unittest.TestCase): func.mock_calls, [call(1, 2), call(3, 4)] ) + #Issue21222 + def test_create_autospec_with_name(self): + m = mock.create_autospec(object(), name='sweet_func') + self.assertIn('sweet_func', repr(m)) def test_mock_add_spec(self): class _One(object): @@ -1176,20 +1330,32 @@ class MockTest(unittest.TestCase): self.assertEqual(m.mock_calls, [call.__int__(), call.__float__()]) self.assertEqual(m.method_calls, []) - - def test_attribute_deletion(self): - # this behaviour isn't *useful*, but at least it's now tested... - for Klass in Mock, MagicMock, NonCallableMagicMock, NonCallableMock: - m = Klass() - original = m.foo - m.foo = 3 - del m.foo - self.assertEqual(m.foo, original) - - new = m.foo = Mock() - del m.foo - self.assertEqual(m.foo, new) - + def test_mock_open_reuse_issue_21750(self): + mocked_open = mock.mock_open(read_data='data') + f1 = mocked_open('a-name') + f1_data = f1.read() + f2 = mocked_open('another-name') + f2_data = f2.read() + self.assertEqual(f1_data, f2_data) + + def test_mock_open_write(self): + # Test exception in file writing write() + mock_namedtemp = mock.mock_open(mock.MagicMock(name='JLV')) + with mock.patch('tempfile.NamedTemporaryFile', mock_namedtemp): + mock_filehandle = mock_namedtemp.return_value + mock_write = mock_filehandle.write + mock_write.side_effect = OSError('Test 2 Error') + def attempt(): + tempfile.NamedTemporaryFile().write('asd') + self.assertRaises(OSError, attempt) + + def test_mock_open_alter_readline(self): + mopen = mock.mock_open(read_data='foo\nbarn') + mopen.return_value.readline.side_effect = lambda *args:'abc' + first = mopen().readline() + second = mopen().readline() + self.assertEqual('abc', first) + self.assertEqual('abc', second) def test_mock_parents(self): for Klass in Mock, MagicMock: @@ -1254,7 +1420,8 @@ class MockTest(unittest.TestCase): def test_attribute_deletion(self): - for mock in Mock(), MagicMock(): + for mock in (Mock(), MagicMock(), NonCallableMagicMock(), + NonCallableMock()): self.assertTrue(hasattr(mock, 'm')) del mock.m @@ -1274,6 +1441,5 @@ class MockTest(unittest.TestCase): mock.foo - if __name__ == '__main__': unittest.main() |