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	* Add coroutine provider examples * Add coroutine provier * Update changelog * Update static analysis travis jobs to python 3.7 * Update coroutine provider implementation for python 3.4 * Update static analysis travis jobs to python 3.6 * Make pycode style happy * Add tests for coroutine providers * Make coroutine tests python 2 syntax friendly * Split tests to python2 and python3 * Refactor coroutine provider tests * Modify pypy tests running command * Update coroutine provider docs
		
			
				
	
	
		
			192 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			192 lines
		
	
	
		
			6.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
"""Dependency injector dynamic container unit tests."""
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import unittest2 as unittest
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from dependency_injector import (
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    containers,
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    providers,
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    errors,
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)
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class ContainerA(containers.DeclarativeContainer):
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    p11 = providers.Provider()
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    p12 = providers.Provider()
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class DeclarativeContainerInstanceTests(unittest.TestCase):
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    def test_providers_attribute(self):
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        container_a1 = ContainerA()
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        container_a2 = ContainerA()
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        self.assertIsNot(container_a1.p11, container_a2.p11)
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        self.assertIsNot(container_a1.p12, container_a2.p12)
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        self.assertNotEqual(container_a1.providers, container_a2.providers)
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    def test_set_get_del_providers(self):
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        p13 = providers.Provider()
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        container_a1 = ContainerA()
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        container_a2 = ContainerA()
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        container_a1.p13 = p13
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        container_a2.p13 = p13
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        self.assertEqual(ContainerA.providers, dict(p11=ContainerA.p11,
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                                                    p12=ContainerA.p12))
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        self.assertEqual(ContainerA.cls_providers, dict(p11=ContainerA.p11,
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                                                        p12=ContainerA.p12))
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        self.assertEqual(container_a1.providers, dict(p11=container_a1.p11,
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                                                      p12=container_a1.p12,
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                                                      p13=p13))
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        self.assertEqual(container_a2.providers, dict(p11=container_a2.p11,
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                                                      p12=container_a2.p12,
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                                                      p13=p13))
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        del container_a1.p13
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        self.assertEqual(container_a1.providers, dict(p11=container_a1.p11,
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                                                      p12=container_a1.p12))
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        del container_a2.p13
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        self.assertEqual(container_a2.providers, dict(p11=container_a2.p11,
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                                                      p12=container_a2.p12))
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        del container_a1.p11
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        del container_a1.p12
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        self.assertEqual(container_a1.providers, dict())
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        self.assertEqual(ContainerA.providers, dict(p11=ContainerA.p11,
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                                                    p12=ContainerA.p12))
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        del container_a2.p11
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        del container_a2.p12
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        self.assertEqual(container_a2.providers, dict())
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        self.assertEqual(ContainerA.providers, dict(p11=ContainerA.p11,
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                                                    p12=ContainerA.p12))
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    def test_set_invalid_provider_type(self):
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        container_a = ContainerA()
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        container_a.provider_type = providers.Object
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        with self.assertRaises(errors.Error):
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            container_a.px = providers.Provider()
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        self.assertIs(ContainerA.provider_type,
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                      containers.DeclarativeContainer.provider_type)
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    def test_set_providers(self):
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        p13 = providers.Provider()
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        p14 = providers.Provider()
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        container_a = ContainerA()
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        container_a.set_providers(p13=p13, p14=p14)
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        self.assertIs(container_a.p13, p13)
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        self.assertIs(container_a.p14, p14)
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    def test_override(self):
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        class _Container(containers.DeclarativeContainer):
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            p11 = providers.Provider()
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        class _OverridingContainer1(containers.DeclarativeContainer):
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            p11 = providers.Provider()
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        class _OverridingContainer2(containers.DeclarativeContainer):
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            p11 = providers.Provider()
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            p12 = providers.Provider()
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        container = _Container()
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        overriding_container1 = _OverridingContainer1()
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        overriding_container2 = _OverridingContainer2()
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        container.override(overriding_container1)
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        container.override(overriding_container2)
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        self.assertEqual(container.overridden,
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                         (overriding_container1,
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                          overriding_container2))
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        self.assertEqual(container.p11.overridden,
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                         (overriding_container1.p11,
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                          overriding_container2.p11))
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        self.assertEqual(_Container.overridden, tuple())
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        self.assertEqual(_Container.p11.overridden, tuple())
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    def test_override_with_itself(self):
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        container = ContainerA()
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        with self.assertRaises(errors.Error):
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            container.override(container)
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    def test_override_providers(self):
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        p1 = providers.Provider()
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        p2 = providers.Provider()
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        container_a = ContainerA()
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        container_a.override_providers(p11=p1, p12=p2)
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        self.assertIs(container_a.p11.last_overriding, p1)
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        self.assertIs(container_a.p12.last_overriding, p2)
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    def test_override_providers_with_unknown_provider(self):
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        container_a = ContainerA()
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        with self.assertRaises(AttributeError):
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            container_a.override_providers(unknown=providers.Provider())
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    def test_reset_last_overridding(self):
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        class _Container(containers.DeclarativeContainer):
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            p11 = providers.Provider()
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        class _OverridingContainer1(containers.DeclarativeContainer):
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            p11 = providers.Provider()
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        class _OverridingContainer2(containers.DeclarativeContainer):
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            p11 = providers.Provider()
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            p12 = providers.Provider()
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        container = _Container()
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        overriding_container1 = _OverridingContainer1()
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        overriding_container2 = _OverridingContainer2()
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        container.override(overriding_container1)
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        container.override(overriding_container2)
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        container.reset_last_overriding()
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        self.assertEqual(container.overridden,
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                         (overriding_container1,))
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        self.assertEqual(container.p11.overridden,
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                         (overriding_container1.p11,))
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    def test_reset_last_overridding_when_not_overridden(self):
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        container = ContainerA()
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        with self.assertRaises(errors.Error):
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            container.reset_last_overriding()
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    def test_reset_override(self):
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        class _Container(containers.DeclarativeContainer):
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            p11 = providers.Provider()
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        class _OverridingContainer1(containers.DeclarativeContainer):
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            p11 = providers.Provider()
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        class _OverridingContainer2(containers.DeclarativeContainer):
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            p11 = providers.Provider()
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            p12 = providers.Provider()
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        container = _Container()
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        overriding_container1 = _OverridingContainer1()
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        overriding_container2 = _OverridingContainer2()
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        container.override(overriding_container1)
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        container.override(overriding_container2)
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        container.reset_override()
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        self.assertEqual(container.overridden, tuple())
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        self.assertEqual(container.p11.overridden, tuple())
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if __name__ == '__main__':
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    unittest.main()
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