def test_arg_lists(self):
mocks = [
Mock(),
MagicMock(),
NonCallableMock(),
NonCallableMagicMock()
]
def assert_attrs(mock):
names = 'call_args_list', 'method_calls', 'mock_calls'
for name in names:
attr = getattr(mock, name)
self.assertIsInstance(attr, _CallList)
self.assertIsInstance(attr, list)
self.assertEqual(attr, [])
for mock in mocks:
assert_attrs(mock)
if callable(mock):
mock()
mock(1, 2)
mock(a=3)
mock.reset_mock()
assert_attrs(mock)
mock.foo()
mock.foo.bar(1, a=3)
mock.foo(1).bar().baz(3)
mock.reset_mock()
assert_attrs(mock)
def test_assert_has_calls(self):
kalls1 = [call(1, 2), ({"a": 3},), ((3, 4),), call(b=6), ("", (1,), {"b": 6})]
kalls2 = [call.foo(), call.bar(1)]
kalls2.extend(call.spam().baz(a=3).call_list())
kalls2.extend(call.bam(set(), foo={}).fish([1]).call_list())
mocks = []
for mock in Mock(), MagicMock():
mock(1, 2)
mock(a=3)
mock(3, 4)
mock(b=6)
mock(1, b=6)
mocks.append((mock, kalls1))
mock = Mock()
mock.foo()
mock.bar(1)
mock.spam().baz(a=3)
mock.bam(set(), foo={}).fish([1])
mocks.append((mock, kalls2))
for mock, kalls in mocks:
for i in range(len(kalls)):
for step in 1, 2, 3:
these = kalls[i : i + step]
mock.assert_has_calls(these)
if len(these) > 1:
self.assertRaises(AssertionError, mock.assert_has_calls, list(reversed(these)))
def testWrap(self):
self.assertEqual(mock.foo(), (1, 2, 3))
self.assertEqual(mock.foo(3), 3)
def bar(func, *args, **kwargs):
return func(*args, **kwargs) * 2
wrap(mock.foo, bar)
self.assertEqual(mock.foo(), (1, 2, 3, 1, 2, 3))
self.assertEqual(mock.foo(3), 6)
def testReplace(self):
self.assertEqual(mock.foo(), (1, 2, 3))
self.assertEqual(mock.foo(3), 3)
def bar(result=None):
return 3, 2, 1
replace(mock.foo, bar)
self.assertEqual(mock.foo(), (3, 2, 1))
self.assertEqual(mock.foo(3), (3, 2, 1))
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
)
def test_pickle(self):
for Klass in (MagicMock, Mock, Subclass, NonCallableMagicMock):
mock = Klass(name='foo', attribute=3)
mock.foo(1, 2, 3)
data = pickle.dumps(mock)
new = pickle.loads(data)
new.foo.assert_called_once_with(1, 2, 3)
self.assertFalse(new.called)
self.assertTrue(is_instance(new, Klass))
self.assertIsInstance(new, Thing)
self.assertIn('name="foo"', repr(new))
self.assertEqual(new.attribute, 3)
def test_repr(self):
mock = Mock(name="foo")
self.assertIn("foo", repr(mock))
self.assertIn("'%s'" % id(mock), repr(mock))
mocks = [(Mock(), "mock"), (Mock(name="bar"), "bar")]
for mock, name in mocks:
self.assertIn("%s.bar" % name, repr(mock.bar))
self.assertIn("%s.foo()" % name, repr(mock.foo()))
self.assertIn("%s.foo().bing" % name, repr(mock.foo().bing))
self.assertIn("%s()" % name, repr(mock()))
self.assertIn("%s()()" % name, repr(mock()()))
self.assertIn("%s()().foo.bar.baz().bing" % name, repr(mock()().foo.bar.baz().bing))
def test_repr(self):
mock = Mock(name='foo')
self.assertIn('foo', repr(mock))
self.assertIn("'%s'" % id(mock), repr(mock))
mocks = [(Mock(), 'mock'), (Mock(name='bar'), 'bar')]
for mock, name in mocks:
self.assertIn('%s.bar' % name, repr(mock.bar))
self.assertIn('%s.foo()' % name, repr(mock.foo()))
self.assertIn('%s.foo().bing' % name, repr(mock.foo().bing))
self.assertIn('%s()' % name, repr(mock()))
self.assertIn('%s()()' % name, repr(mock()()))
self.assertIn('%s()().foo.bar.baz().bing' % name,
repr(mock()().foo.bar.baz().bing))
def test_assert_has_calls(self):
kalls1 = [
call(1, 2),
({
'a': 3
}, ),
((3, 4), ),
call(b=6),
('', (1, ), {
'b': 6
}),
]
kalls2 = [call.foo(), call.bar(1)]
kalls2.extend(call.spam().baz(a=3).call_list())
kalls2.extend(call.bam(set(), foo={}).fish([1]).call_list())
mocks = []
for mock in Mock(), MagicMock():
mock(1, 2)
mock(a=3)
mock(3, 4)
mock(b=6)
mock(1, b=6)
mocks.append((mock, kalls1))
mock = Mock()
mock.foo()
mock.bar(1)
mock.spam().baz(a=3)
mock.bam(set(), foo={}).fish([1])
mocks.append((mock, kalls2))
for mock, kalls in mocks:
for i in range(len(kalls)):
for step in 1, 2, 3:
these = kalls[i:i + step]
mock.assert_has_calls(these)
if len(these) > 1:
self.assertRaises(AssertionError,
mock.assert_has_calls,
list(reversed(these)))
def test_adding_child_mock(self):
for Klass in NonCallableMock, Mock, MagicMock, NonCallableMagicMock:
mock = Klass()
mock.foo = Mock()
mock.foo()
self.assertEqual(mock.method_calls, [call.foo()])
self.assertEqual(mock.mock_calls, [call.foo()])
mock = Klass()
mock.bar = Mock(name='name')
mock.bar()
self.assertEqual(mock.method_calls, [])
self.assertEqual(mock.mock_calls, [])
# mock with an existing _new_parent but no name
mock = Klass()
mock.baz = MagicMock()()
mock.baz()
self.assertEqual(mock.method_calls, [])
self.assertEqual(mock.mock_calls, [])
def test_arg_lists(self):
mocks = [
Mock(),
mocksignature(lambda *args, **kwargs: None),
MagicMock(),
NonCallableMock(),
NonCallableMagicMock()
]
def assert_attrs(mock):
names = 'call_args_list', 'method_calls', 'mock_calls'
for name in names:
attr = getattr(mock, name)
self.assertIsInstance(attr, _CallList)
self.assertIsInstance(attr, list)
self.assertEqual(attr, [])
for mock in mocks:
assert_attrs(mock)
if callable(mock):
mock()
mock(1, 2)
mock(a=3)
mock.reset_mock()
assert_attrs(mock)
if not isinstance(mock, Mock):
# the mocksignature
continue
mock.foo()
mock.foo.bar(1, a=3)
mock.foo(1).bar().baz(3)
mock.reset_mock()
assert_attrs(mock)
def test_arg_lists(self):
mocks = [
Mock(),
mocksignature(lambda *args, **kwargs: None),
MagicMock(),
NonCallableMock(),
NonCallableMagicMock()
]
def assert_attrs(mock):
names = 'call_args_list', 'method_calls', 'mock_calls'
for name in names:
attr = getattr(mock, name)
self.assertIsInstance(attr, _CallList)
self.assertIsInstance(attr, list)
self.assertEqual(attr, [])
for mock in mocks:
assert_attrs(mock)
if callable(mock):
mock()
mock(1, 2)
mock(a=3)
mock.reset_mock()
assert_attrs(mock)
if not isinstance(mock, Mock):
# the mocksignature
continue
mock.foo()
mock.foo.bar(1, a=3)
mock.foo(1).bar().baz(3)
mock.reset_mock()
assert_attrs(mock)
def test_mock_calls(self):
mock = MagicMock()
# need to do this because MagicMock.mock_calls used to just return
# a MagicMock which also returned a MagicMock when __eq__ was called
self.assertIs(mock.mock_calls == [], True)
mock = MagicMock()
mock()
expected = [('', (), {})]
self.assertEqual(mock.mock_calls, expected)
mock.foo()
expected.append(call.foo())
self.assertEqual(mock.mock_calls, expected)
# intermediate mock_calls work too
self.assertEqual(mock.foo.mock_calls, [('', (), {})])
mock = MagicMock()
mock().foo(1, 2, 3, a=4, b=5)
expected = [
('', (), {}), ('().foo', (1, 2, 3), dict(a=4, b=5))
]
self.assertEqual(mock.mock_calls, expected)
self.assertEqual(mock.return_value.foo.mock_calls,
[('', (1, 2, 3), dict(a=4, b=5))])
self.assertEqual(mock.return_value.mock_calls,
[('foo', (1, 2, 3), dict(a=4, b=5))])
mock = MagicMock()
mock().foo.bar().baz()
expected = [
('', (), {}), ('().foo.bar', (), {}),
('().foo.bar().baz', (), {})
]
self.assertEqual(mock.mock_calls, expected)
self.assertEqual(mock().mock_calls,
call.foo.bar().baz().call_list())
for kwargs in dict(), dict(name='bar'):
mock = MagicMock(**kwargs)
int(mock.foo)
expected = [('foo.__int__', (), {})]
self.assertEqual(mock.mock_calls, expected)
mock = MagicMock(**kwargs)
mock.a()()
expected = [('a', (), {}), ('a()', (), {})]
self.assertEqual(mock.mock_calls, expected)
self.assertEqual(mock.a().mock_calls, [call()])
mock = MagicMock(**kwargs)
mock(1)(2)(3)
self.assertEqual(mock.mock_calls, call(1)(2)(3).call_list())
self.assertEqual(mock().mock_calls, call(2)(3).call_list())
self.assertEqual(mock()().mock_calls, call(3).call_list())
mock = MagicMock(**kwargs)
mock(1)(2)(3).a.b.c(4)
self.assertEqual(mock.mock_calls,
call(1)(2)(3).a.b.c(4).call_list())
self.assertEqual(mock().mock_calls,
call(2)(3).a.b.c(4).call_list())
self.assertEqual(mock()().mock_calls,
call(3).a.b.c(4).call_list())
mock = MagicMock(**kwargs)
int(mock().foo.bar().baz())
last_call = ('().foo.bar().baz().__int__', (), {})
self.assertEqual(mock.mock_calls[-1], last_call)
self.assertEqual(mock().mock_calls,
call.foo.bar().baz().__int__().call_list())
self.assertEqual(mock().foo.bar().mock_calls,
call.baz().__int__().call_list())
self.assertEqual(mock().foo.bar().baz.mock_calls,
call().__int__().call_list())