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Add some tests for containers

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This commit is contained in:
Roman Mogilatov 2016-06-01 12:03:17 +03:00
parent a35db5889d
commit 1c1596543d
1 changed files with 70 additions and 0 deletions
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70
tests/test_containers.py
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@ -145,6 +145,16 @@ class DeclarativeContainerTests(unittest.TestCase):
(_OverridingContainer1.p11,
_OverridingContainer2.p11))
def test_override_with_itself(self):
"""Test override with itself."""
with self.assertRaises(errors.Error):
ContainerA.override(ContainerA)
def test_override_with_parent(self):
"""Test override with parent."""
with self.assertRaises(errors.Error):
ContainerB.override(ContainerA)
def test_override_decorator(self):
"""Test override decorator."""
class _Container(containers.DeclarativeContainer):
@ -187,6 +197,11 @@ class DeclarativeContainerTests(unittest.TestCase):
self.assertEqual(_Container.p11.overridden_by,
(_OverridingContainer1.p11,))
def test_reset_last_overridding_when_not_overridden(self):
"""Test reset of last overriding."""
with self.assertRaises(errors.Error):
ContainerA.reset_last_overriding()
def test_reset_override(self):
"""Test reset all overridings."""
class _Container(containers.DeclarativeContainer):
@ -206,5 +221,60 @@ class DeclarativeContainerTests(unittest.TestCase):
self.assertEqual(_Container.overridden_by, tuple())
self.assertEqual(_Container.p11.overridden_by, tuple())
def test_copy(self):
"""Test copy decorator."""
@containers.copy(ContainerA)
class _Container1(ContainerA):
pass
@containers.copy(ContainerA)
class _Container2(ContainerA):
pass
self.assertIsNot(ContainerA.p11, _Container1.p11)
self.assertIsNot(ContainerA.p12, _Container1.p12)
self.assertIsNot(ContainerA.p11, _Container2.p11)
self.assertIsNot(ContainerA.p12, _Container2.p12)
self.assertIsNot(_Container1.p11, _Container2.p11)
self.assertIsNot(_Container1.p12, _Container2.p12)
def test_copy_with_replacing(self):
"""Test copy decorator with providers replacement."""
class _Container(containers.DeclarativeContainer):
p11 = providers.Object(0)
p12 = providers.Factory(dict, p11=p11)
@containers.copy(_Container)
class _Container1(_Container):
p11 = providers.Object(1)
p13 = providers.Object(11)
@containers.copy(_Container)
class _Container2(_Container):
p11 = providers.Object(2)
p13 = providers.Object(22)
self.assertIsNot(_Container.p11, _Container1.p11)
self.assertIsNot(_Container.p12, _Container1.p12)
self.assertIsNot(_Container.p11, _Container2.p11)
self.assertIsNot(_Container.p12, _Container2.p12)
self.assertIsNot(_Container1.p11, _Container2.p11)
self.assertIsNot(_Container1.p12, _Container2.p12)
self.assertIs(_Container.p12.kwargs['p11'], _Container.p11)
self.assertIs(_Container1.p12.kwargs['p11'], _Container1.p11)
self.assertIs(_Container2.p12.kwargs['p11'], _Container2.p11)
self.assertEqual(_Container.p12(), dict(p11=0))
self.assertEqual(_Container1.p12(), dict(p11=1))
self.assertEqual(_Container2.p12(), dict(p11=2))
self.assertEqual(_Container1.p13(), 11)
self.assertEqual(_Container2.p13(), 22)
if __name__ == '__main__':
unittest.main()