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https://github.com/ets-labs/python-dependency-injector.git
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53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
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"""DependenciesContainer provider traversal tests."""
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from dependency_injector import providers
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def test_traversal():
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provider = providers.DependenciesContainer()
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all_providers = list(provider.traverse())
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assert len(all_providers) == 0
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def test_traversal_default():
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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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assert len(all_providers) == 1
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assert another_provider in all_providers
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def test_traversal_fluent_interface():
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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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assert len(all_providers) == 2
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assert provider1 in all_providers
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assert provider2 in all_providers
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def test_traversal_overriding():
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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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assert len(all_providers) == 5
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assert provider1 in all_providers
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assert provider2 in all_providers
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assert provider3 in all_providers
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assert provider.provider1 in all_providers
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assert provider.provider2 in all_providers
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