mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-30 05:23:59 +03:00
3ca6dd9af1
* Implement providers traversal in first precision * Implement traversal for all providers * Update traverse interface + add some tests * Refactor tests * Add tests for callable provider * Add configuration tests * Add Factory tests * Add FactoryAggrefate tests * Add .provides attribute to singleton providers * Add singleton provider tests * Add list and dict provider tests * Add resource tests * Add Container provider tests * Add Selector provider tests * Add ProvidedInstance provider tests * Add AttributeGetter provider tests * Add ItemGetter provider tests * Add MethodCaller provider tests * Refactor container interface * Update resource provider string representation * Add .initializer attribute to Resource provider * Add docs and examples * Remove not needed EOL in the tests * Make cosmetic refactoring * Ignore flake8 line width error in traverse example
876 lines
27 KiB
Python
876 lines
27 KiB
Python
import unittest
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from dependency_injector import containers, providers
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class TraverseTests(unittest.TestCase):
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def test_traverse_cycled_graph(self):
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provider1 = providers.Provider()
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provider2 = providers.Provider()
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provider2.override(provider1)
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provider3 = providers.Provider()
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provider3.override(provider2)
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provider1.override(provider3) # Cycle: provider3 -> provider2 -> provider1 -> provider3
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all_providers = list(providers.traverse(provider1))
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self.assertEqual(len(all_providers), 3)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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self.assertIn(provider3, all_providers)
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def test_traverse_types_filtering(self):
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provider1 = providers.Resource(dict)
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provider2 = providers.Resource(dict)
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provider3 = providers.Provider()
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provider = providers.Provider()
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provider.override(provider1)
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provider.override(provider2)
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provider.override(provider3)
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all_providers = list(providers.traverse(provider, types=[providers.Resource]))
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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class ProviderTests(unittest.TestCase):
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def test_traversal_overriding(self):
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provider1 = providers.Provider()
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provider2 = providers.Provider()
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provider3 = providers.Provider()
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provider = providers.Provider()
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provider.override(provider1)
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provider.override(provider2)
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provider.override(provider3)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 3)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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self.assertIn(provider3, all_providers)
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def test_traversal_overriding_nested(self):
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provider1 = providers.Provider()
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provider2 = providers.Provider()
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provider2.override(provider1)
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provider3 = providers.Provider()
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provider3.override(provider2)
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provider = providers.Provider()
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provider.override(provider3)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 3)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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self.assertIn(provider3, all_providers)
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def test_traverse_types_filtering(self):
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provider1 = providers.Resource(dict)
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provider2 = providers.Resource(dict)
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provider3 = providers.Provider()
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provider = providers.Provider()
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provider.override(provider1)
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provider.override(provider2)
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provider.override(provider3)
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all_providers = list(provider.traverse(types=[providers.Resource]))
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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class ObjectTests(unittest.TestCase):
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def test_traversal(self):
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provider = providers.Object('string')
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 0)
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def test_traversal_provider(self):
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another_provider = providers.Provider()
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provider = providers.Object(another_provider)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 1)
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self.assertIn(another_provider, all_providers)
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def test_traversal_provider_and_overriding(self):
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another_provider_1 = providers.Provider()
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another_provider_2 = providers.Provider()
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another_provider_3 = providers.Provider()
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provider = providers.Object(another_provider_1)
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provider.override(another_provider_2)
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provider.override(another_provider_3)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 3)
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self.assertIn(another_provider_1, all_providers)
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self.assertIn(another_provider_2, all_providers)
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self.assertIn(another_provider_3, all_providers)
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class DelegateTests(unittest.TestCase):
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def test_traversal_provider(self):
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another_provider = providers.Provider()
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provider = providers.Delegate(another_provider)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 1)
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self.assertIn(another_provider, all_providers)
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def test_traversal_provider_and_overriding(self):
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provider1 = providers.Provider()
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provider2 = providers.Provider()
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provider3 = providers.Provider()
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provider3.override(provider2)
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provider = providers.Delegate(provider1)
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provider.override(provider3)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 3)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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self.assertIn(provider3, all_providers)
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class DependencyTests(unittest.TestCase):
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def test_traversal(self):
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provider = providers.Dependency()
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 0)
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def test_traversal_default(self):
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another_provider = providers.Provider()
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provider = providers.Dependency(default=another_provider)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 1)
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self.assertIn(another_provider, all_providers)
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def test_traversal_overriding(self):
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provider1 = providers.Provider()
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provider2 = providers.Provider()
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provider2.override(provider1)
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provider = providers.Dependency()
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provider.override(provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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class DependenciesContainerTests(unittest.TestCase):
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def test_traversal(self):
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provider = providers.DependenciesContainer()
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 0)
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def test_traversal_default(self):
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another_provider = providers.Provider()
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provider = providers.DependenciesContainer(default=another_provider)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 1)
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self.assertIn(another_provider, all_providers)
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def test_traversal_fluent_interface(self):
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provider = providers.DependenciesContainer()
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provider1 = provider.provider1
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provider2 = provider.provider2
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traversal_overriding(self):
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provider1 = providers.Provider()
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provider2 = providers.Provider()
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provider3 = providers.DependenciesContainer(
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provider1=provider1,
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provider2=provider2,
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)
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provider = providers.DependenciesContainer()
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provider.override(provider3)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 5)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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self.assertIn(provider3, all_providers)
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self.assertIn(provider.provider1, all_providers)
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self.assertIn(provider.provider2, all_providers)
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class CallableTests(unittest.TestCase):
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def test_traverse(self):
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provider = providers.Callable(dict)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 0)
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def test_traverse_args(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.Callable(list, 'foo', provider1, provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traverse_kwargs(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.Callable(dict, foo='foo', bar=provider1, baz=provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traverse_overridden(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.Callable(dict, 'foo')
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provider.override(provider1)
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provider.override(provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traverse_provides(self):
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provider1 = providers.Callable(list)
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provider2 = providers.Object('bar')
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provider3 = providers.Object('baz')
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provider = providers.Callable(provider1, provider2)
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provider.override(provider3)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 3)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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self.assertIn(provider3, all_providers)
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class ConfigurationTests(unittest.TestCase):
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def test_traverse(self):
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config = providers.Configuration(default={'option1': {'option2': 'option2'}})
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option1 = config.option1
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option2 = config.option1.option2
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option3 = config.option1[config.option1.option2]
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all_providers = list(config.traverse())
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self.assertEqual(len(all_providers), 3)
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self.assertIn(option1, all_providers)
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self.assertIn(option2, all_providers)
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self.assertIn(option3, all_providers)
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def test_traverse_typed(self):
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config = providers.Configuration()
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option = config.option
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typed_option = config.option.as_int()
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all_providers = list(typed_option.traverse())
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self.assertEqual(len(all_providers), 1)
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self.assertIn(option, all_providers)
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def test_traverse_overridden(self):
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options = {'option1': {'option2': 'option2'}}
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config = providers.Configuration()
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config.from_dict(options)
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all_providers = list(config.traverse())
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self.assertEqual(len(all_providers), 1)
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overridden, = all_providers
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self.assertEqual(overridden(), options)
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self.assertIs(overridden, config.last_overriding)
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def test_traverse_overridden_option_1(self):
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options = {'option2': 'option2'}
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config = providers.Configuration()
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config.option1.from_dict(options)
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all_providers = list(config.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(config.option1, all_providers)
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self.assertIn(config.last_overriding, all_providers)
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def test_traverse_overridden_option_2(self):
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options = {'option2': 'option2'}
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config = providers.Configuration()
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config.option1.from_dict(options)
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all_providers = list(config.option1.traverse())
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self.assertEqual(len(all_providers), 0)
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class FactoryTests(unittest.TestCase):
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def test_traverse(self):
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provider = providers.Factory(dict)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 0)
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def test_traverse_args(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.Factory(list, 'foo', provider1, provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traverse_kwargs(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.Factory(dict, foo='foo', bar=provider1, baz=provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traverse_attributes(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.Factory(dict)
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provider.add_attributes(foo='foo', bar=provider1, baz=provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traverse_overridden(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.Factory(dict, 'foo')
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provider.override(provider1)
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provider.override(provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traverse_provides(self):
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provider1 = providers.Callable(list)
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provider2 = providers.Object('bar')
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provider3 = providers.Object('baz')
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provider = providers.Factory(provider1, provider2)
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provider.override(provider3)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 3)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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self.assertIn(provider3, all_providers)
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class FactoryAggregateTests(unittest.TestCase):
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def test_traverse(self):
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factory1 = providers.Factory(dict)
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factory2 = providers.Factory(list)
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provider = providers.FactoryAggregate(factory1=factory1, factory2=factory2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(factory1, all_providers)
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self.assertIn(factory2, all_providers)
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class BaseSingletonTests(unittest.TestCase):
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def test_traverse(self):
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provider = providers.Singleton(dict)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 0)
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def test_traverse_args(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.Singleton(list, 'foo', provider1, provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traverse_kwargs(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.Singleton(dict, foo='foo', bar=provider1, baz=provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traverse_attributes(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.Singleton(dict)
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provider.add_attributes(foo='foo', bar=provider1, baz=provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traverse_overridden(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.Singleton(dict, 'foo')
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provider.override(provider1)
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provider.override(provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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def test_traverse_provides(self):
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provider1 = providers.Callable(list)
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provider2 = providers.Object('bar')
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provider3 = providers.Object('baz')
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provider = providers.Singleton(provider1, provider2)
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provider.override(provider3)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 3)
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self.assertIn(provider1, all_providers)
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self.assertIn(provider2, all_providers)
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self.assertIn(provider3, all_providers)
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class ListTests(unittest.TestCase):
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def test_traverse_args(self):
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provider1 = providers.Object('bar')
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provider2 = providers.Object('baz')
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provider = providers.List('foo', provider1, provider2)
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all_providers = list(provider.traverse())
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self.assertEqual(len(all_providers), 2)
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self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
|
|
def test_traverse_overridden(self):
|
|
provider1 = providers.Object('bar')
|
|
provider2 = providers.Object('baz')
|
|
provider3 = providers.List(provider1, provider2)
|
|
|
|
provider = providers.List('foo')
|
|
provider.override(provider3)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 3)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
self.assertIn(provider3, all_providers)
|
|
|
|
|
|
class DictTests(unittest.TestCase):
|
|
|
|
def test_traverse_kwargs(self):
|
|
provider1 = providers.Object('bar')
|
|
provider2 = providers.Object('baz')
|
|
provider = providers.Dict(foo='foo', bar=provider1, baz=provider2)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 2)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
|
|
def test_traverse_overridden(self):
|
|
provider1 = providers.Object('bar')
|
|
provider2 = providers.Object('baz')
|
|
provider3 = providers.Dict(bar=provider1, baz=provider2)
|
|
|
|
provider = providers.Dict(foo='foo')
|
|
provider.override(provider3)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 3)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
self.assertIn(provider3, all_providers)
|
|
|
|
|
|
class ResourceTests(unittest.TestCase):
|
|
|
|
def test_traverse(self):
|
|
provider = providers.Resource(dict)
|
|
all_providers = list(provider.traverse())
|
|
self.assertEqual(len(all_providers), 0)
|
|
|
|
def test_traverse_args(self):
|
|
provider1 = providers.Object('bar')
|
|
provider2 = providers.Object('baz')
|
|
provider = providers.Resource(list, 'foo', provider1, provider2)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 2)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
|
|
def test_traverse_kwargs(self):
|
|
provider1 = providers.Object('bar')
|
|
provider2 = providers.Object('baz')
|
|
provider = providers.Resource(dict, foo='foo', bar=provider1, baz=provider2)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 2)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
|
|
def test_traverse_overridden(self):
|
|
provider1 = providers.Resource(list)
|
|
provider2 = providers.Resource(tuple)
|
|
|
|
provider = providers.Resource(dict, 'foo')
|
|
provider.override(provider1)
|
|
provider.override(provider2)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 2)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
|
|
def test_traverse_provides(self):
|
|
provider1 = providers.Callable(list)
|
|
|
|
provider = providers.Resource(provider1)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 1)
|
|
self.assertIn(provider1, all_providers)
|
|
|
|
|
|
class ContainerTests(unittest.TestCase):
|
|
|
|
def test_traverse(self):
|
|
class Container(containers.DeclarativeContainer):
|
|
provider1 = providers.Callable(list)
|
|
provider2 = providers.Callable(dict)
|
|
|
|
provider = providers.Container(Container)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 2)
|
|
self.assertEqual(
|
|
{provider.provides for provider in all_providers},
|
|
{list, dict},
|
|
)
|
|
|
|
def test_traverse_overridden(self):
|
|
class Container1(containers.DeclarativeContainer):
|
|
provider1 = providers.Callable(list)
|
|
provider2 = providers.Callable(dict)
|
|
|
|
class Container2(containers.DeclarativeContainer):
|
|
provider1 = providers.Callable(tuple)
|
|
provider2 = providers.Callable(str)
|
|
|
|
container2 = Container2()
|
|
|
|
provider = providers.Container(Container1)
|
|
provider.override(container2)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 5)
|
|
self.assertEqual(
|
|
{
|
|
provider.provides
|
|
for provider in all_providers
|
|
if isinstance(provider, providers.Callable)
|
|
},
|
|
{list, dict, tuple, str},
|
|
)
|
|
self.assertIn(provider.last_overriding, all_providers)
|
|
self.assertIs(provider.last_overriding(), container2)
|
|
|
|
|
|
class SelectorTests(unittest.TestCase):
|
|
|
|
def test_traverse(self):
|
|
switch = lambda: 'provider1'
|
|
provider1 = providers.Callable(list)
|
|
provider2 = providers.Callable(dict)
|
|
|
|
provider = providers.Selector(
|
|
switch,
|
|
provider1=provider1,
|
|
provider2=provider2,
|
|
)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 2)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
|
|
def test_traverse_switch(self):
|
|
switch = providers.Callable(lambda: 'provider1')
|
|
provider1 = providers.Callable(list)
|
|
provider2 = providers.Callable(dict)
|
|
|
|
provider = providers.Selector(
|
|
switch,
|
|
provider1=provider1,
|
|
provider2=provider2,
|
|
)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 3)
|
|
self.assertIn(switch, all_providers)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
|
|
def test_traverse_overridden(self):
|
|
provider1 = providers.Callable(list)
|
|
provider2 = providers.Callable(dict)
|
|
selector1 = providers.Selector(lambda: 'provider1', provider1=provider1)
|
|
|
|
provider = providers.Selector(
|
|
lambda: 'provider2',
|
|
provider2=provider2,
|
|
)
|
|
provider.override(selector1)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 3)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
self.assertIn(selector1, all_providers)
|
|
|
|
|
|
class ProvidedInstanceTests(unittest.TestCase):
|
|
|
|
def test_traverse(self):
|
|
provider1 = providers.Provider()
|
|
provider = provider1.provided
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 1)
|
|
self.assertIn(provider1, all_providers)
|
|
|
|
def test_traverse_overridden(self):
|
|
provider1 = providers.Provider()
|
|
provider2 = providers.Provider()
|
|
|
|
provider = provider1.provided
|
|
provider.override(provider2)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 2)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
|
|
|
|
class AttributeGetterTests(unittest.TestCase):
|
|
|
|
def test_traverse(self):
|
|
provider1 = providers.Provider()
|
|
provided = provider1.provided
|
|
provider = provided.attr
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 2)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provided, all_providers)
|
|
|
|
def test_traverse_overridden(self):
|
|
provider1 = providers.Provider()
|
|
provided = provider1.provided
|
|
provider2 = providers.Provider()
|
|
|
|
provider = provided.attr
|
|
provider.override(provider2)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 3)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
self.assertIn(provided, all_providers)
|
|
|
|
|
|
class ItemGetterTests(unittest.TestCase):
|
|
|
|
def test_traverse(self):
|
|
provider1 = providers.Provider()
|
|
provided = provider1.provided
|
|
provider = provided['item']
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 2)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provided, all_providers)
|
|
|
|
def test_traverse_overridden(self):
|
|
provider1 = providers.Provider()
|
|
provided = provider1.provided
|
|
provider2 = providers.Provider()
|
|
|
|
provider = provided['item']
|
|
provider.override(provider2)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 3)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
self.assertIn(provided, all_providers)
|
|
|
|
|
|
class MethodCallerTests(unittest.TestCase):
|
|
|
|
def test_traverse(self):
|
|
provider1 = providers.Provider()
|
|
provided = provider1.provided
|
|
method = provided.method
|
|
provider = method.call()
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 3)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provided, all_providers)
|
|
self.assertIn(method, all_providers)
|
|
|
|
def test_traverse_args(self):
|
|
provider1 = providers.Provider()
|
|
provided = provider1.provided
|
|
method = provided.method
|
|
provider2 = providers.Provider()
|
|
provider = method.call('foo', provider2)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 4)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
self.assertIn(provided, all_providers)
|
|
self.assertIn(method, all_providers)
|
|
|
|
def test_traverse_kwargs(self):
|
|
provider1 = providers.Provider()
|
|
provided = provider1.provided
|
|
method = provided.method
|
|
provider2 = providers.Provider()
|
|
provider = method.call(foo='foo', bar=provider2)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 4)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
self.assertIn(provided, all_providers)
|
|
self.assertIn(method, all_providers)
|
|
|
|
def test_traverse_overridden(self):
|
|
provider1 = providers.Provider()
|
|
provided = provider1.provided
|
|
method = provided.method
|
|
provider2 = providers.Provider()
|
|
|
|
provider = method.call()
|
|
provider.override(provider2)
|
|
|
|
all_providers = list(provider.traverse())
|
|
|
|
self.assertEqual(len(all_providers), 4)
|
|
self.assertIn(provider1, all_providers)
|
|
self.assertIn(provider2, all_providers)
|
|
self.assertIn(provided, all_providers)
|
|
self.assertIn(method, all_providers)
|