mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2025-02-14 10:30:51 +03:00
141 lines
4.5 KiB
Python
141 lines
4.5 KiB
Python
"""Dependency injector list provider unit tests."""
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import sys
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import unittest2 as unittest
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from dependency_injector import providers
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class ListTests(unittest.TestCase):
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def test_is_provider(self):
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self.assertTrue(providers.is_provider(providers.List()))
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def test_provided_instance_provider(self):
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provider = providers.List()
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self.assertIsInstance(provider.provided, providers.ProvidedInstance)
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def test_call_with_init_positional_args(self):
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provider = providers.List('i1', 'i2')
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list1 = provider()
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list2 = provider()
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self.assertEqual(list1, ['i1', 'i2'])
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self.assertEqual(list2, ['i1', 'i2'])
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self.assertIsNot(list1, list2)
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def test_call_with_context_args(self):
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provider = providers.List('i1', 'i2')
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self.assertEqual(provider('i3', 'i4'), ['i1', 'i2', 'i3', 'i4'])
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def test_fluent_interface(self):
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provider = providers.List() \
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.add_args(1, 2)
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self.assertEqual(provider(), [1, 2])
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def test_set_args(self):
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provider = providers.List() \
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.add_args(1, 2) \
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.set_args(3, 4)
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self.assertEqual(provider.args, tuple([3, 4]))
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def test_clear_args(self):
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provider = providers.List() \
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.add_args(1, 2) \
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.clear_args()
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self.assertEqual(provider.args, tuple())
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def test_call_overridden(self):
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provider = providers.List(1, 2)
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overriding_provider1 = providers.List(2, 3)
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overriding_provider2 = providers.List(3, 4)
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provider.override(overriding_provider1)
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provider.override(overriding_provider2)
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instance1 = provider()
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instance2 = provider()
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self.assertIsNot(instance1, instance2)
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self.assertEqual(instance1, [3, 4])
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self.assertEqual(instance2, [3, 4])
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def test_deepcopy(self):
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provider = providers.List(1, 2)
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provider_copy = providers.deepcopy(provider)
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self.assertIsNot(provider, provider_copy)
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self.assertEqual(provider.args, provider_copy.args)
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self.assertIsInstance(provider, providers.List)
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def test_deepcopy_from_memo(self):
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provider = providers.List(1, 2)
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provider_copy_memo = providers.List(1, 2)
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provider_copy = providers.deepcopy(
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provider, memo={id(provider): provider_copy_memo})
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self.assertIs(provider_copy, provider_copy_memo)
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def test_deepcopy_args(self):
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provider = providers.List()
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dependent_provider1 = providers.Factory(list)
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dependent_provider2 = providers.Factory(dict)
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provider.add_args(dependent_provider1, dependent_provider2)
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provider_copy = providers.deepcopy(provider)
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dependent_provider_copy1 = provider_copy.args[0]
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dependent_provider_copy2 = provider_copy.args[1]
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self.assertNotEqual(provider.args, provider_copy.args)
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self.assertIs(dependent_provider1.cls, dependent_provider_copy1.cls)
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self.assertIsNot(dependent_provider1, dependent_provider_copy1)
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self.assertIs(dependent_provider2.cls, dependent_provider_copy2.cls)
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self.assertIsNot(dependent_provider2, dependent_provider_copy2)
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def test_deepcopy_overridden(self):
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provider = providers.List()
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object_provider = providers.Object(object())
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provider.override(object_provider)
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provider_copy = providers.deepcopy(provider)
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object_provider_copy = provider_copy.overridden[0]
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self.assertIsNot(provider, provider_copy)
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self.assertEqual(provider.args, provider_copy.args)
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self.assertIsInstance(provider, providers.List)
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self.assertIsNot(object_provider, object_provider_copy)
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self.assertIsInstance(object_provider_copy, providers.Object)
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def test_deepcopy_with_sys_streams(self):
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provider = providers.List()
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provider.add_args(sys.stdin, sys.stdout, sys.stderr)
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provider_copy = providers.deepcopy(provider)
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self.assertIsNot(provider, provider_copy)
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self.assertIsInstance(provider_copy, providers.List)
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self.assertIs(provider.args[0], sys.stdin)
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self.assertIs(provider.args[1], sys.stdout)
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self.assertIs(provider.args[2], sys.stderr)
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def test_repr(self):
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provider = providers.List(1, 2)
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self.assertEqual(repr(provider),
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'<dependency_injector.providers.'
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'List({0}) at {1}>'.format(
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repr(list(provider.args)),
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hex(id(provider))))
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