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)
python类called()的实例源码
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_can_decode_utf8_strings_with_french_content(self, encoding_mocker_stopall):
# mock
mock_getpreferredencoding = encoding_mocker_stopall.MagicMock(name="mock_getpreferredencoding")
# patch
encoding_mocker_stopall.patch.object(scarlett_os.internal.encoding.locale, 'getpreferredencoding', mock_getpreferredencoding)
mock.return_value = 'UTF-8'
# source: http://pythoncentral.io/encoding-and-decoding-strings-in-python-3-x/
# NOTE: In Python 2.x, prefixing a string literal with a "b" (or "B") is legal syntax, but it does nothing special:
# NOTE: In Python 3.x, however, this prefix indicates the string is a bytes object which differs from the normal string (which as we know is by default a Unicode string), and even the 'b' prefix is preserved:
result = encoding.locale_decode(
b'[Errno 98] Adresse d\xc3\xa9j\xc3\xa0 utilis\xc3\xa9e')
assert "b'[Errno 98] Adresse d\\xc3\\xa9j\\xc3\\xa0 utilis\\xc3\\xa9e'" == result
# def test_can_decode_an_ioerror_with_french_content(self, mock):
# mock.return_value = 'UTF-8'
#
# error = IOError(98, b'Adresse d\xc3\xa9j\xc3\xa0 utilis\xc3\xa9e')
# result = encoding.locale_decode(error)
# expected = '[Errno 98] Adresse d\xe9j\xe0 utilis\xe9e'
#
# self.assertEqual(
# expected, result,
# '%r decoded to %r does not match expected %r' % (
# error, result, expected))
#
# def test_does_not_use_locale_to_decode_unicode_strings(self, mock):
# mock.return_value = 'UTF-8'
#
# encoding.locale_decode('abc')
#
# self.assertFalse(mock.called)
#
# def test_does_not_use_locale_to_decode_ascii_bytestrings(self, mock):
# mock.return_value = 'UTF-8'
#
# encoding.locale_decode('abc')
#
# self.assertFalse(mock.called)
def test_draw_on_texture(self,
_draw_content_mock,
_save):
self.img.draw_on_texture()
self.assertIsNotNone(self.img.opposite_to_bg_color)
self.assertTrue(_draw_content_mock.called)
def test_draw_on_bg(self,
_draw_content_mock,
_save):
self.img.draw_on_bg()
self.assertIsNotNone(self.img.opposite_to_bg_color)
self.assertTrue(_draw_content_mock.called)
def test_draw_on_image(self,
_draw_content_mock,
_save):
with create_test_image():
self.img.draw_on_image(
image_path=os.path.abspath('test.png'))
self.assertIsNotNone(self.img.opposite_to_bg_color)
self.assertTrue(_draw_content_mock.called)
def test_draw_on_image_with_enhancements(self,
_draw_content_mock,
_save,
enhance_mock):
with create_test_image():
enhance_mock.return_value = PIL_Image.open('test.png')
self.img.draw_on_image(
image_path=os.path.abspath('test.png'),
image_enhancements=((ImageEnhance.Sharpness, 0.5),
(ImageEnhance.Brightness, 0.5)))
self.assertTrue(enhance_mock.called)
self.assertTrue(_draw_content_mock.called)
def test_draw_on_image_with_filters(self,
_draw_content_mock,
_save,
filter_mock):
filters = (ImageFilter.BLUR, ImageFilter.GaussianBlur(2))
with create_test_image():
filter_mock.return_value = PIL_Image.open('test.png')
self.img.draw_on_image(
image_path=os.path.abspath('test.png'),
image_filters=filters)
self.assertTrue(filter_mock.called)
self.assertTrue(_draw_content_mock.called)
def test_draw_linkback(self, mock):
self.img.color = '#000'
aligns = ['center', 'right', 'left']
for align in aligns:
with self.subTest():
self.img.linkback.align = align
self.img._draw_linkback()
self.assertTrue(mock.called)
def test_draw_content(self, _draw_header_mock,
_draw_para_mock, _draw_linkback_mock):
self.img._draw_content()
self.assertTrue(_draw_header_mock.called)
self.assertTrue(_draw_para_mock.called)
self.assertTrue(_draw_linkback_mock.called)
def test_draw_unit_with_outline(self, text_mock):
available_outlines = [None, Outline(2, '#111')]
self.img.color = '#000'
start_height = 0
aligns = ['center', 'right', 'left']
for align in aligns:
for outline in available_outlines:
with self.subTest():
unit = MultilineTextUnit(
text='foo', outline=outline,
align=align)
self.img._draw_unit(start_height, unit)
self.assertTrue(text_mock.called)
def test_constructor(self):
mock = Mock()
self.assertFalse(mock.called, "called not initialised correctly")
self.assertEqual(mock.call_count, 0,
"call_count not initialised correctly")
self.assertTrue(is_instance(mock.return_value, Mock),
"return_value not initialised correctly")
self.assertEqual(mock.call_args, None,
"call_args not initialised correctly")
self.assertEqual(mock.call_args_list, [],
"call_args_list not initialised correctly")
self.assertEqual(mock.method_calls, [],
"method_calls not initialised correctly")
# Can't use hasattr for this test as it always returns True on a mock
self.assertFalse('_items' in mock.__dict__,
"default mock should not have '_items' attribute")
self.assertIsNone(mock._mock_parent,
"parent not initialised correctly")
self.assertIsNone(mock._mock_methods,
"methods not initialised correctly")
self.assertEqual(mock._mock_children, {},
"children not initialised incorrectly")
def test_reset_mock(self):
parent = Mock()
spec = ["something"]
mock = Mock(name="child", parent=parent, spec=spec)
mock(sentinel.Something, something=sentinel.SomethingElse)
something = mock.something
mock.something()
mock.side_effect = sentinel.SideEffect
return_value = mock.return_value
return_value()
mock.reset_mock()
self.assertEqual(mock._mock_name, "child",
"name incorrectly reset")
self.assertEqual(mock._mock_parent, parent,
"parent incorrectly reset")
self.assertEqual(mock._mock_methods, spec,
"methods incorrectly reset")
self.assertFalse(mock.called, "called not reset")
self.assertEqual(mock.call_count, 0, "call_count not reset")
self.assertEqual(mock.call_args, None, "call_args not reset")
self.assertEqual(mock.call_args_list, [], "call_args_list not reset")
self.assertEqual(mock.method_calls, [],
"method_calls not initialised correctly: %r != %r" %
(mock.method_calls, []))
self.assertEqual(mock.mock_calls, [])
self.assertEqual(mock.side_effect, sentinel.SideEffect,
"side_effect incorrectly reset")
self.assertEqual(mock.return_value, return_value,
"return_value incorrectly reset")
self.assertFalse(return_value.called, "return value mock not reset")
self.assertEqual(mock._mock_children, {'something': something},
"children reset incorrectly")
self.assertEqual(mock.something, something,
"children incorrectly cleared")
self.assertFalse(mock.something.called, "child not reset")
def test_call(self):
mock = Mock()
self.assertTrue(is_instance(mock.return_value, Mock),
"Default return_value should be a Mock")
result = mock()
self.assertEqual(mock(), result,
"different result from consecutive calls")
mock.reset_mock()
ret_val = mock(sentinel.Arg)
self.assertTrue(mock.called, "called not set")
self.assertEqual(mock.call_count, 1, "call_count incoreect")
self.assertEqual(mock.call_args, ((sentinel.Arg,), {}),
"call_args not set")
self.assertEqual(mock.call_args_list, [((sentinel.Arg,), {})],
"call_args_list not initialised correctly")
mock.return_value = sentinel.ReturnValue
ret_val = mock(sentinel.Arg, key=sentinel.KeyArg)
self.assertEqual(ret_val, sentinel.ReturnValue,
"incorrect return value")
self.assertEqual(mock.call_count, 2, "call_count incorrect")
self.assertEqual(mock.call_args,
((sentinel.Arg,), {'key': sentinel.KeyArg}),
"call_args not set")
self.assertEqual(mock.call_args_list, [
((sentinel.Arg,), {}),
((sentinel.Arg,), {'key': sentinel.KeyArg})
],
"call_args_list not set")
def test_attribute_access_returns_mocks(self):
mock = Mock()
something = mock.something
self.assertTrue(is_instance(something, Mock), "attribute isn't a mock")
self.assertEqual(mock.something, something,
"different attributes returned for same name")
# Usage example
mock = Mock()
mock.something.return_value = 3
self.assertEqual(mock.something(), 3, "method returned wrong value")
self.assertTrue(mock.something.called,
"method didn't record being called")
def test_wraps_call_with_nondefault_return_value(self):
real = Mock()
mock = Mock(wraps=real)
mock.return_value = 3
self.assertEqual(mock(), 3)
self.assertFalse(real.called)
def test_constructor(self):
mock = Mock()
self.assertFalse(mock.called, "called not initialised correctly")
self.assertEqual(mock.call_count, 0,
"call_count not initialised correctly")
self.assertTrue(is_instance(mock.return_value, Mock),
"return_value not initialised correctly")
self.assertEqual(mock.call_args, None,
"call_args not initialised correctly")
self.assertEqual(mock.call_args_list, [],
"call_args_list not initialised correctly")
self.assertEqual(mock.method_calls, [],
"method_calls not initialised correctly")
# Can't use hasattr for this test as it always returns True on a mock
self.assertNotIn('_items', mock.__dict__,
"default mock should not have '_items' attribute")
self.assertIsNone(mock._mock_parent,
"parent not initialised correctly")
self.assertIsNone(mock._mock_methods,
"methods not initialised correctly")
self.assertEqual(mock._mock_children, {},
"children not initialised incorrectly")
def test_reset_mock(self):
parent = Mock()
spec = ["something"]
mock = Mock(name="child", parent=parent, spec=spec)
mock(sentinel.Something, something=sentinel.SomethingElse)
something = mock.something
mock.something()
mock.side_effect = sentinel.SideEffect
return_value = mock.return_value
return_value()
mock.reset_mock()
self.assertEqual(mock._mock_name, "child",
"name incorrectly reset")
self.assertEqual(mock._mock_parent, parent,
"parent incorrectly reset")
self.assertEqual(mock._mock_methods, spec,
"methods incorrectly reset")
self.assertFalse(mock.called, "called not reset")
self.assertEqual(mock.call_count, 0, "call_count not reset")
self.assertEqual(mock.call_args, None, "call_args not reset")
self.assertEqual(mock.call_args_list, [], "call_args_list not reset")
self.assertEqual(mock.method_calls, [],
"method_calls not initialised correctly: %r != %r" %
(mock.method_calls, []))
self.assertEqual(mock.mock_calls, [])
self.assertEqual(mock.side_effect, sentinel.SideEffect,
"side_effect incorrectly reset")
self.assertEqual(mock.return_value, return_value,
"return_value incorrectly reset")
self.assertFalse(return_value.called, "return value mock not reset")
self.assertEqual(mock._mock_children, {'something': something},
"children reset incorrectly")
self.assertEqual(mock.something, something,
"children incorrectly cleared")
self.assertFalse(mock.something.called, "child not reset")
def test_call(self):
mock = Mock()
self.assertTrue(is_instance(mock.return_value, Mock),
"Default return_value should be a Mock")
result = mock()
self.assertEqual(mock(), result,
"different result from consecutive calls")
mock.reset_mock()
ret_val = mock(sentinel.Arg)
self.assertTrue(mock.called, "called not set")
self.assertEqual(mock.call_count, 1, "call_count incoreect")
self.assertEqual(mock.call_args, ((sentinel.Arg,), {}),
"call_args not set")
self.assertEqual(mock.call_args_list, [((sentinel.Arg,), {})],
"call_args_list not initialised correctly")
mock.return_value = sentinel.ReturnValue
ret_val = mock(sentinel.Arg, key=sentinel.KeyArg)
self.assertEqual(ret_val, sentinel.ReturnValue,
"incorrect return value")
self.assertEqual(mock.call_count, 2, "call_count incorrect")
self.assertEqual(mock.call_args,
((sentinel.Arg,), {'key': sentinel.KeyArg}),
"call_args not set")
self.assertEqual(mock.call_args_list, [
((sentinel.Arg,), {}),
((sentinel.Arg,), {'key': sentinel.KeyArg})
],
"call_args_list not set")
def test_attribute_access_returns_mocks(self):
mock = Mock()
something = mock.something
self.assertTrue(is_instance(something, Mock), "attribute isn't a mock")
self.assertEqual(mock.something, something,
"different attributes returned for same name")
# Usage example
mock = Mock()
mock.something.return_value = 3
self.assertEqual(mock.something(), 3, "method returned wrong value")
self.assertTrue(mock.something.called,
"method didn't record being called")
def test_assert_called_with_message(self):
mock = Mock()
self.assertRaisesRegex(AssertionError, 'Not called',
mock.assert_called_with)
def test_assert_called_once_with_message(self):
mock = Mock(name='geoffrey')
self.assertRaisesRegex(AssertionError,
r"Expected 'geoffrey' to be called once\.",
mock.assert_called_once_with)
def test_constructor(self):
mock = Mock()
self.assertFalse(mock.called, "called not initialised correctly")
self.assertEqual(mock.call_count, 0,
"call_count not initialised correctly")
self.assertTrue(is_instance(mock.return_value, Mock),
"return_value not initialised correctly")
self.assertEqual(mock.call_args, None,
"call_args not initialised correctly")
self.assertEqual(mock.call_args_list, [],
"call_args_list not initialised correctly")
self.assertEqual(mock.method_calls, [],
"method_calls not initialised correctly")
# Can't use hasattr for this test as it always returns True on a mock
self.assertNotIn('_items', mock.__dict__,
"default mock should not have '_items' attribute")
self.assertIsNone(mock._mock_parent,
"parent not initialised correctly")
self.assertIsNone(mock._mock_methods,
"methods not initialised correctly")
self.assertEqual(mock._mock_children, {},
"children not initialised incorrectly")
def test_reset_mock(self):
parent = Mock()
spec = ["something"]
mock = Mock(name="child", parent=parent, spec=spec)
mock(sentinel.Something, something=sentinel.SomethingElse)
something = mock.something
mock.something()
mock.side_effect = sentinel.SideEffect
return_value = mock.return_value
return_value()
mock.reset_mock()
self.assertEqual(mock._mock_name, "child",
"name incorrectly reset")
self.assertEqual(mock._mock_parent, parent,
"parent incorrectly reset")
self.assertEqual(mock._mock_methods, spec,
"methods incorrectly reset")
self.assertFalse(mock.called, "called not reset")
self.assertEqual(mock.call_count, 0, "call_count not reset")
self.assertEqual(mock.call_args, None, "call_args not reset")
self.assertEqual(mock.call_args_list, [], "call_args_list not reset")
self.assertEqual(mock.method_calls, [],
"method_calls not initialised correctly: %r != %r" %
(mock.method_calls, []))
self.assertEqual(mock.mock_calls, [])
self.assertEqual(mock.side_effect, sentinel.SideEffect,
"side_effect incorrectly reset")
self.assertEqual(mock.return_value, return_value,
"return_value incorrectly reset")
self.assertFalse(return_value.called, "return value mock not reset")
self.assertEqual(mock._mock_children, {'something': something},
"children reset incorrectly")
self.assertEqual(mock.something, something,
"children incorrectly cleared")
self.assertFalse(mock.something.called, "child not reset")
def test_call(self):
mock = Mock()
self.assertTrue(is_instance(mock.return_value, Mock),
"Default return_value should be a Mock")
result = mock()
self.assertEqual(mock(), result,
"different result from consecutive calls")
mock.reset_mock()
ret_val = mock(sentinel.Arg)
self.assertTrue(mock.called, "called not set")
self.assertEqual(mock.call_count, 1, "call_count incoreect")
self.assertEqual(mock.call_args, ((sentinel.Arg,), {}),
"call_args not set")
self.assertEqual(mock.call_args_list, [((sentinel.Arg,), {})],
"call_args_list not initialised correctly")
mock.return_value = sentinel.ReturnValue
ret_val = mock(sentinel.Arg, key=sentinel.KeyArg)
self.assertEqual(ret_val, sentinel.ReturnValue,
"incorrect return value")
self.assertEqual(mock.call_count, 2, "call_count incorrect")
self.assertEqual(mock.call_args,
((sentinel.Arg,), {'key': sentinel.KeyArg}),
"call_args not set")
self.assertEqual(mock.call_args_list, [
((sentinel.Arg,), {}),
((sentinel.Arg,), {'key': sentinel.KeyArg})
],
"call_args_list not set")
def test_attribute_access_returns_mocks(self):
mock = Mock()
something = mock.something
self.assertTrue(is_instance(something, Mock), "attribute isn't a mock")
self.assertEqual(mock.something, something,
"different attributes returned for same name")
# Usage example
mock = Mock()
mock.something.return_value = 3
self.assertEqual(mock.something(), 3, "method returned wrong value")
self.assertTrue(mock.something.called,
"method didn't record being called")
def test_assert_called_with_message(self):
mock = Mock()
self.assertRaisesRegex(AssertionError, 'Not called',
mock.assert_called_with)
def test_assert_called_once_with_message(self):
mock = Mock(name='geoffrey')
self.assertRaisesRegex(AssertionError,
r"Expected 'geoffrey' to be called once\.",
mock.assert_called_once_with)
def test_assert_called_with_failure_message(self):
mock = NonCallableMock()
expected = "mock(1, '2', 3, bar='foo')"
message = 'Expected call: %s\nNot called'
self.assertRaisesWithMsg(
AssertionError, message % (expected,),
mock.assert_called_with, 1, '2', 3, bar='foo'
)
mock.foo(1, '2', 3, foo='foo')
asserters = [
mock.foo.assert_called_with, mock.foo.assert_called_once_with
]
for meth in asserters:
actual = "foo(1, '2', 3, foo='foo')"
expected = "foo(1, '2', 3, bar='foo')"
message = 'Expected call: %s\nActual call: %s'
self.assertRaisesWithMsg(
AssertionError, message % (expected, actual),
meth, 1, '2', 3, bar='foo'
)
# just kwargs
for meth in asserters:
actual = "foo(1, '2', 3, foo='foo')"
expected = "foo(bar='foo')"
message = 'Expected call: %s\nActual call: %s'
self.assertRaisesWithMsg(
AssertionError, message % (expected, actual),
meth, bar='foo'
)
# just args
for meth in asserters:
actual = "foo(1, '2', 3, foo='foo')"
expected = "foo(1, 2, 3)"
message = 'Expected call: %s\nActual call: %s'
self.assertRaisesWithMsg(
AssertionError, message % (expected, actual),
meth, 1, 2, 3
)
# empty
for meth in asserters:
actual = "foo(1, '2', 3, foo='foo')"
expected = "foo()"
message = 'Expected call: %s\nActual call: %s'
self.assertRaisesWithMsg(
AssertionError, message % (expected, actual), meth
)
def test_assert_called_with_failure_message(self):
mock = NonCallableMock()
expected = "mock(1, '2', 3, bar='foo')"
message = 'Expected call: %s\nNot called'
self.assertRaisesWithMsg(
AssertionError, message % (expected,),
mock.assert_called_with, 1, '2', 3, bar='foo'
)
mock.foo(1, '2', 3, foo='foo')
asserters = [
mock.foo.assert_called_with, mock.foo.assert_called_once_with
]
for meth in asserters:
actual = "foo(1, '2', 3, foo='foo')"
expected = "foo(1, '2', 3, bar='foo')"
message = 'Expected call: %s\nActual call: %s'
self.assertRaisesWithMsg(
AssertionError, message % (expected, actual),
meth, 1, '2', 3, bar='foo'
)
# just kwargs
for meth in asserters:
actual = "foo(1, '2', 3, foo='foo')"
expected = "foo(bar='foo')"
message = 'Expected call: %s\nActual call: %s'
self.assertRaisesWithMsg(
AssertionError, message % (expected, actual),
meth, bar='foo'
)
# just args
for meth in asserters:
actual = "foo(1, '2', 3, foo='foo')"
expected = "foo(1, 2, 3)"
message = 'Expected call: %s\nActual call: %s'
self.assertRaisesWithMsg(
AssertionError, message % (expected, actual),
meth, 1, 2, 3
)
# empty
for meth in asserters:
actual = "foo(1, '2', 3, foo='foo')"
expected = "foo()"
message = 'Expected call: %s\nActual call: %s'
self.assertRaisesWithMsg(
AssertionError, message % (expected, actual), meth
)
