mirror of
https://github.com/ets-labs/python-dependency-injector.git
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119 lines
4.1 KiB
Python
119 lines
4.1 KiB
Python
"""Dependency injector config providers unit tests."""
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import unittest2 as unittest
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from dependency_injector import providers
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class ConfigTests(unittest.TestCase):
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def setUp(self):
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self.config = providers.Configuration(name='config')
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def tearDown(self):
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del self.config
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def test_providers_are_providers(self):
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self.assertTrue(providers.is_provider(self.config.a))
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self.assertTrue(providers.is_provider(self.config.a.b))
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self.assertTrue(providers.is_provider(self.config.a.b.c))
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self.assertTrue(providers.is_provider(self.config.a.b.d))
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def test_providers_are_not_delegates(self):
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self.assertFalse(providers.is_delegated(self.config.a))
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self.assertFalse(providers.is_delegated(self.config.a.b))
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self.assertFalse(providers.is_delegated(self.config.a.b.c))
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self.assertFalse(providers.is_delegated(self.config.a.b.d))
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def test_providers_identity(self):
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self.assertIs(self.config.a, self.config.a)
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self.assertIs(self.config.a.b, self.config.a.b)
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self.assertIs(self.config.a.b.c, self.config.a.b.c)
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self.assertIs(self.config.a.b.d, self.config.a.b.d)
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def test_get_name(self):
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self.assertEqual(self.config.a.b.c.get_name(), 'config.a.b.c')
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def test_providers_value_setting(self):
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a = self.config.a
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ab = self.config.a.b
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abc = self.config.a.b.c
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abd = self.config.a.b.d
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self.config.update({'a': {'b': {'c': 1, 'd': 2}}})
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self.assertEqual(a(), {'b': {'c': 1, 'd': 2}})
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self.assertEqual(ab(), {'c': 1, 'd': 2})
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self.assertEqual(abc(), 1)
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self.assertEqual(abd(), 2)
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def test_providers_with_already_set_value(self):
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self.config.update({'a': {'b': {'c': 1, 'd': 2}}})
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a = self.config.a
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ab = self.config.a.b
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abc = self.config.a.b.c
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abd = self.config.a.b.d
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self.assertEqual(a(), {'b': {'c': 1, 'd': 2}})
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self.assertEqual(ab(), {'c': 1, 'd': 2})
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self.assertEqual(abc(), 1)
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self.assertEqual(abd(), 2)
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def test_value_of_undefined_option(self):
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self.assertIsNone(self.config.a())
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def test_getting_of_special_attributes(self):
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with self.assertRaises(AttributeError):
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self.config.__name__
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def test_getting_of_special_attributes_from_child(self):
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a = self.config.a
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with self.assertRaises(AttributeError):
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a.__name__
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def test_deepcopy(self):
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provider = providers.Configuration('config')
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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, providers.Configuration)
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def test_deepcopy_from_memo(self):
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provider = providers.Configuration('config')
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provider_copy_memo = providers.Configuration('config')
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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_overridden(self):
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provider = providers.Configuration('config')
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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.assertIsInstance(provider, providers.Configuration)
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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_repr(self):
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self.assertEqual(repr(self.config),
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'<dependency_injector.providers.'
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'Configuration({0}) at {1}>'.format(
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repr('config'),
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hex(id(self.config))))
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def test_repr_child(self):
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self.assertEqual(repr(self.config.a.b.c),
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'<dependency_injector.providers.'
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'Configuration({0}) at {1}>'.format(
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repr('config.a.b.c'),
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hex(id(self.config.a.b.c))))
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