mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2025-10-31 16:07:51 +03:00
232 lines
7.9 KiB
Python
232 lines
7.9 KiB
Python
"""Dependency injector dict provider unit tests."""
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import sys
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import unittest
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from dependency_injector import providers
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class DictTests(unittest.TestCase):
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def test_is_provider(self):
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self.assertTrue(providers.is_provider(providers.Dict()))
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def test_provided_instance_provider(self):
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provider = providers.Dict()
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self.assertIsInstance(provider.provided, providers.ProvidedInstance)
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def test_init_with_non_string_keys(self):
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a1 = object()
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a2 = object()
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provider = providers.Dict({a1: 'i1', a2: 'i2'})
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dict1 = provider()
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dict2 = provider()
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self.assertEqual(dict1, {a1: 'i1', a2: 'i2'})
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self.assertEqual(dict2, {a1: 'i1', a2: 'i2'})
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self.assertIsNot(dict1, dict2)
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def test_init_with_string_and_non_string_keys(self):
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a1 = object()
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provider = providers.Dict({a1: 'i1'}, a2='i2')
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dict1 = provider()
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dict2 = provider()
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self.assertEqual(dict1, {a1: 'i1', 'a2': 'i2'})
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self.assertEqual(dict2, {a1: 'i1', 'a2': 'i2'})
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self.assertIsNot(dict1, dict2)
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def test_call_with_init_keyword_args(self):
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provider = providers.Dict(a1='i1', a2='i2')
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dict1 = provider()
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dict2 = provider()
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self.assertEqual(dict1, {'a1': 'i1', 'a2': 'i2'})
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self.assertEqual(dict2, {'a1': 'i1', 'a2': 'i2'})
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self.assertIsNot(dict1, dict2)
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def test_call_with_context_keyword_args(self):
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provider = providers.Dict(a1='i1', a2='i2')
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self.assertEqual(
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provider(a3='i3', a4='i4'),
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{'a1': 'i1', 'a2': 'i2', 'a3': 'i3', 'a4': 'i4'},
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)
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def test_call_with_provider(self):
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provider = providers.Dict(
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a1=providers.Factory(str, 'i1'),
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a2=providers.Factory(str, 'i2'),
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)
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self.assertEqual(provider(), {'a1': 'i1', 'a2': 'i2'})
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def test_fluent_interface(self):
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provider = providers.Dict() \
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.add_kwargs(a1='i1', a2='i2')
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self.assertEqual(provider(), {'a1': 'i1', 'a2': 'i2'})
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def test_add_kwargs(self):
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provider = providers.Dict() \
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.add_kwargs(a1='i1') \
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.add_kwargs(a2='i2')
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self.assertEqual(provider.kwargs, {'a1': 'i1', 'a2': 'i2'})
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def test_add_kwargs_non_string_keys(self):
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a1 = object()
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a2 = object()
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provider = providers.Dict() \
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.add_kwargs({a1: 'i1'}) \
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.add_kwargs({a2: 'i2'})
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self.assertEqual(provider.kwargs, {a1: 'i1', a2: 'i2'})
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def test_add_kwargs_string_and_non_string_keys(self):
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a2 = object()
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provider = providers.Dict() \
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.add_kwargs(a1='i1') \
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.add_kwargs({a2: 'i2'})
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self.assertEqual(provider.kwargs, {'a1': 'i1', a2: 'i2'})
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def test_set_kwargs(self):
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provider = providers.Dict() \
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.add_kwargs(a1='i1', a2='i2') \
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.set_kwargs(a3='i3', a4='i4')
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self.assertEqual(provider.kwargs, {'a3': 'i3', 'a4': 'i4'})
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def test_set_kwargs_non_string_keys(self):
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a3 = object()
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a4 = object()
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provider = providers.Dict() \
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.add_kwargs(a1='i1', a2='i2') \
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.set_kwargs({a3: 'i3', a4: 'i4'})
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self.assertEqual(provider.kwargs, {a3: 'i3', a4: 'i4'})
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def test_set_kwargs_string_and_non_string_keys(self):
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a3 = object()
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provider = providers.Dict() \
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.add_kwargs(a1='i1', a2='i2') \
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.set_kwargs({a3: 'i3'}, a4='i4')
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self.assertEqual(provider.kwargs, {a3: 'i3', 'a4': 'i4'})
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def test_clear_kwargs(self):
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provider = providers.Dict() \
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.add_kwargs(a1='i1', a2='i2') \
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.clear_kwargs()
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self.assertEqual(provider.kwargs, {})
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def test_call_overridden(self):
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provider = providers.Dict(a1='i1', a2='i2')
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overriding_provider1 = providers.Dict(a2='i2', a3='i3')
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overriding_provider2 = providers.Dict(a3='i3', a4='i4')
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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, {'a3': 'i3', 'a4': 'i4'})
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self.assertEqual(instance2, {'a3': 'i3', 'a4': 'i4'})
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def test_deepcopy(self):
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provider = providers.Dict(a1='i1', a2='i2')
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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.kwargs, provider_copy.kwargs)
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self.assertIsInstance(provider, providers.Dict)
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def test_deepcopy_from_memo(self):
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provider = providers.Dict(a1='i1', a2='i2')
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provider_copy_memo = providers.Dict(a1='i1', a2='i2')
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provider_copy = providers.deepcopy(
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provider,
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memo={id(provider): provider_copy_memo},
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)
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self.assertIs(provider_copy, provider_copy_memo)
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def test_deepcopy_kwargs(self):
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provider = providers.Dict()
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dependent_provider1 = providers.Factory(list)
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dependent_provider2 = providers.Factory(dict)
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provider.add_kwargs(d1=dependent_provider1, d2=dependent_provider2)
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provider_copy = providers.deepcopy(provider)
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dependent_provider_copy1 = provider_copy.kwargs['d1']
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dependent_provider_copy2 = provider_copy.kwargs['d2']
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self.assertNotEqual(provider.kwargs, provider_copy.kwargs)
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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_kwargs_non_string_keys(self):
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a1 = object()
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a2 = object()
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dependent_provider1 = providers.Factory(list)
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dependent_provider2 = providers.Factory(dict)
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provider = providers.Dict({a1: dependent_provider1, a2: dependent_provider2})
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provider_copy = providers.deepcopy(provider)
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dependent_provider_copy1 = provider_copy.kwargs[a1]
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dependent_provider_copy2 = provider_copy.kwargs[a2]
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self.assertNotEqual(provider.kwargs, provider_copy.kwargs)
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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.Dict()
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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.kwargs, provider_copy.kwargs)
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self.assertIsInstance(provider, providers.Dict)
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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.Dict()
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provider.add_kwargs(stdin=sys.stdin, stdout=sys.stdout, stderr=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.Dict)
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self.assertIs(provider.kwargs['stdin'], sys.stdin)
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self.assertIs(provider.kwargs['stdout'], sys.stdout)
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self.assertIs(provider.kwargs['stderr'], sys.stderr)
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def test_repr(self):
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provider = providers.Dict(a1=1, a2=2)
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self.assertEqual(repr(provider),
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'<dependency_injector.providers.'
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'Dict({0}) at {1}>'.format(
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repr(provider.kwargs),
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hex(id(provider))))
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