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from .ut_utils import *
from forge import SignatureException
METHODS = [
ClassMethod('class_method(cls, a, b, c, d=5)'),
StaticMethod('static_method(a, b, c, d=5)'),
Method('regular_method(self, a, b, c, d=5)'),
]
class _ClassMockTest(ForgeTestCase):
def setUp(self):
super(_ClassMockTest, self).setUp()
factory = self._get_class_factory()
methods = self._get_methods()
self.mocked_class = factory(methods)
self.mock = self.forge.create_class_mock(self.mocked_class)
def tearDown(self):
self.forge.verify()
self.assertNoMoreCalls()
super(_ClassMockTest, self).tearDown()
class _OldStyleTest(object):
def _get_class_factory(self):
return build_old_style_class
class _NewStyleTest(object):
def _get_class_factory(Self):
return build_new_style_class
class _BasicClassMockTest:
def _get_methods(self):
return METHODS
def test__isinstance(self):
self.assertFalse(isinstance(self.mock, self.mocked_class))
self.assertTrue(isinstance(self.mock, type(self.mocked_class)))
def test__class_methods_can_be_called(self):
self.mock.class_method(1, 2, 3)
self.forge.replay()
self.mock.class_method(1, 2, 3)
def test__static_methods_can_be_called(self):
self.mock.static_method(1, 2, 3)
self.forge.replay()
self.mock.static_method(1, 2, 3)
def test__class_and_static_methods_signature_checks(self):
for meth in (self.mock.class_method, self.mock.static_method):
with self.assertRaises(SignatureException):
meth()
with self.assertRaises(SignatureException):
meth(1, 2, 3, 4, 5)
with self.assertRaises(SignatureException):
meth(1, 2, 3, e=5)
def test__regular_methods_calling(self):
fake_self = object()
with self.assertRaises(SignatureException):
self.mock.regular_method(1, 2, 3)
self.mock.regular_method(fake_self, 1, 2, 3)
self.mock.regular_method(fake_self, 1, 2, 3, d=19)
self.forge.replay()
self.mock.regular_method(fake_self, 1, 2, 3)
self.mock.regular_method(fake_self, 1, 2, 3, d=19)
def test__regular_methods_calling_signature_check(self):
with self.assertRaises(SignatureException):
self.mock.regular_method(1, 2, 3)
with self.assertRaises(SignatureException):
self.mock.regular_method()
with self.assertRaises(SignatureException):
self.mock.regular_method(1, 2)
with self.assertRaises(SignatureException):
self.mock.regular_method(d=10)
class OldStyleBasicTest(_ClassMockTest, _BasicClassMockTest, _OldStyleTest):
pass
class NewStyleBasicTest(_ClassMockTest, _BasicClassMockTest, _NewStyleTest):
pass
class ClassMockConstructionTest(ForgeTestCase):
def tearDown(self):
self.forge.verify()
self.assertNoMoreCalls()
super(ClassMockConstructionTest, self).tearDown()
def test__empty_constructor_new_style(self):
class MyClass(object):
def __init__(self):
pass
self._test__empty_construction(MyClass)
def test__empty_constructor_old_style(self):
class MyClass:
def __init__(self):
pass
self._test__empty_construction(MyClass)
def test__no_constructor_new_style(self):
class MyClass(object):
pass
self._test__empty_construction(MyClass)
def test__no_constructor_old_style(self):
class MyClass:
pass
self._test__empty_construction(MyClass)
def _test__empty_construction(self, cls):
mock = self.forge.create_class_mock(cls)
with self.assertRaises(SignatureException):
mock(1, 2, 3)
with self.assertRaises(SignatureException):
mock(1)
result = self.forge.create_mock(cls)
mock().and_return(result)
self.forge.replay()
self.assertIs(result, mock())
def test__construction_new_style(self):
class MyClass(object):
def __init__(self, a, b, c, d=4):
pass
self._test__construction(MyClass)
def test__construction_old_style(self):
class MyClass:
def __init__(self, a, b, c, d=4):
pass
self._test__construction(MyClass)
def test__construction_inheritence_new_style(self):
class MyClass(object):
def __init__(self, a, b, c, d=4):
pass
class MyClass2(MyClass):
pass
self._test__construction(MyClass2)
def test__construction_inheritence_old_style(self):
class MyClass:
def __init__(self, a, b, c, d=4):
pass
class MyClass2(MyClass):
pass
self._test__construction(MyClass2)
def test__construction_with_call_operator_new_style(self):
class MyClass(object):
def __init__(self, a, b, c, d=4):
pass
def __call__(self, a, b):
pass
self._test__construction(MyClass)
def test__construction_with_call_operator_old_style(self):
class MyClass:
def __init__(self, a, b, c, d=4):
pass
def __call__(self, a, b):
pass
self._test__construction(MyClass)
def _test__construction(self, cls):
mock = self.forge.create_class_mock(cls)
with self.assertRaises(SignatureException):
mock()
with self.assertRaises(SignatureException):
mock(1, 2)
with self.assertRaises(SignatureException):
mock(1, e=100)
result_1 = self.forge.create_mock(cls)
mock(1, 2, 3).and_return(result_1)
result_2 = self.forge.create_mock(cls)
mock(1, 2, 3, 4).and_return(result_2)
self.forge.replay()
self.assertIs(result_1, mock(1, 2, 3))
self.assertIs(result_2, mock(1, 2, 3, 4))
def test__construction_only_kwarg(self):
class MyClass(object):
def __init__(self, a=None, b=None, c=None):
pass
mock = self.forge.create_class_mock(MyClass)
expected = self.forge.create_mock(MyClass)
mock(b=2).and_return(expected)
self.forge.replay()
returned = mock(b=2)
self.assertIs(returned, expected)
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