"""Dependency injector dict provider unit tests.""" import sys import unittest from dependency_injector import providers class DictTests(unittest.TestCase): def test_is_provider(self): self.assertTrue(providers.is_provider(providers.Dict())) def test_provided_instance_provider(self): provider = providers.Dict() self.assertIsInstance(provider.provided, providers.ProvidedInstance) def test_init_with_non_string_keys(self): a1 = object() a2 = object() provider = providers.Dict({a1: 'i1', a2: 'i2'}) dict1 = provider() dict2 = provider() self.assertEqual(dict1, {a1: 'i1', a2: 'i2'}) self.assertEqual(dict2, {a1: 'i1', a2: 'i2'}) self.assertIsNot(dict1, dict2) def test_init_with_string_and_non_string_keys(self): a1 = object() provider = providers.Dict({a1: 'i1'}, a2='i2') dict1 = provider() dict2 = provider() self.assertEqual(dict1, {a1: 'i1', 'a2': 'i2'}) self.assertEqual(dict2, {a1: 'i1', 'a2': 'i2'}) self.assertIsNot(dict1, dict2) def test_call_with_init_keyword_args(self): provider = providers.Dict(a1='i1', a2='i2') dict1 = provider() dict2 = provider() self.assertEqual(dict1, {'a1': 'i1', 'a2': 'i2'}) self.assertEqual(dict2, {'a1': 'i1', 'a2': 'i2'}) self.assertIsNot(dict1, dict2) def test_call_with_context_keyword_args(self): provider = providers.Dict(a1='i1', a2='i2') self.assertEqual( provider(a3='i3', a4='i4'), {'a1': 'i1', 'a2': 'i2', 'a3': 'i3', 'a4': 'i4'}, ) def test_call_with_provider(self): provider = providers.Dict( a1=providers.Factory(str, 'i1'), a2=providers.Factory(str, 'i2'), ) self.assertEqual(provider(), {'a1': 'i1', 'a2': 'i2'}) def test_fluent_interface(self): provider = providers.Dict() \ .add_kwargs(a1='i1', a2='i2') self.assertEqual(provider(), {'a1': 'i1', 'a2': 'i2'}) def test_add_kwargs(self): provider = providers.Dict() \ .add_kwargs(a1='i1') \ .add_kwargs(a2='i2') self.assertEqual(provider.kwargs, {'a1': 'i1', 'a2': 'i2'}) def test_add_kwargs_non_string_keys(self): a1 = object() a2 = object() provider = providers.Dict() \ .add_kwargs({a1: 'i1'}) \ .add_kwargs({a2: 'i2'}) self.assertEqual(provider.kwargs, {a1: 'i1', a2: 'i2'}) def test_add_kwargs_string_and_non_string_keys(self): a2 = object() provider = providers.Dict() \ .add_kwargs(a1='i1') \ .add_kwargs({a2: 'i2'}) self.assertEqual(provider.kwargs, {'a1': 'i1', a2: 'i2'}) def test_set_kwargs(self): provider = providers.Dict() \ .add_kwargs(a1='i1', a2='i2') \ .set_kwargs(a3='i3', a4='i4') self.assertEqual(provider.kwargs, {'a3': 'i3', 'a4': 'i4'}) def test_set_kwargs_non_string_keys(self): a3 = object() a4 = object() provider = providers.Dict() \ .add_kwargs(a1='i1', a2='i2') \ .set_kwargs({a3: 'i3', a4: 'i4'}) self.assertEqual(provider.kwargs, {a3: 'i3', a4: 'i4'}) def test_set_kwargs_string_and_non_string_keys(self): a3 = object() provider = providers.Dict() \ .add_kwargs(a1='i1', a2='i2') \ .set_kwargs({a3: 'i3'}, a4='i4') self.assertEqual(provider.kwargs, {a3: 'i3', 'a4': 'i4'}) def test_clear_kwargs(self): provider = providers.Dict() \ .add_kwargs(a1='i1', a2='i2') \ .clear_kwargs() self.assertEqual(provider.kwargs, {}) def test_call_overridden(self): provider = providers.Dict(a1='i1', a2='i2') overriding_provider1 = providers.Dict(a2='i2', a3='i3') overriding_provider2 = providers.Dict(a3='i3', a4='i4') provider.override(overriding_provider1) provider.override(overriding_provider2) instance1 = provider() instance2 = provider() self.assertIsNot(instance1, instance2) self.assertEqual(instance1, {'a3': 'i3', 'a4': 'i4'}) self.assertEqual(instance2, {'a3': 'i3', 'a4': 'i4'}) def test_deepcopy(self): provider = providers.Dict(a1='i1', a2='i2') provider_copy = providers.deepcopy(provider) self.assertIsNot(provider, provider_copy) self.assertEqual(provider.kwargs, provider_copy.kwargs) self.assertIsInstance(provider, providers.Dict) def test_deepcopy_from_memo(self): provider = providers.Dict(a1='i1', a2='i2') provider_copy_memo = providers.Dict(a1='i1', a2='i2') provider_copy = providers.deepcopy( provider, memo={id(provider): provider_copy_memo}, ) self.assertIs(provider_copy, provider_copy_memo) def test_deepcopy_kwargs(self): provider = providers.Dict() dependent_provider1 = providers.Factory(list) dependent_provider2 = providers.Factory(dict) provider.add_kwargs(d1=dependent_provider1, d2=dependent_provider2) provider_copy = providers.deepcopy(provider) dependent_provider_copy1 = provider_copy.kwargs['d1'] dependent_provider_copy2 = provider_copy.kwargs['d2'] self.assertNotEqual(provider.kwargs, provider_copy.kwargs) self.assertIs(dependent_provider1.cls, dependent_provider_copy1.cls) self.assertIsNot(dependent_provider1, dependent_provider_copy1) self.assertIs(dependent_provider2.cls, dependent_provider_copy2.cls) self.assertIsNot(dependent_provider2, dependent_provider_copy2) def test_deepcopy_kwargs_non_string_keys(self): a1 = object() a2 = object() dependent_provider1 = providers.Factory(list) dependent_provider2 = providers.Factory(dict) provider = providers.Dict({a1: dependent_provider1, a2: dependent_provider2}) provider_copy = providers.deepcopy(provider) dependent_provider_copy1 = provider_copy.kwargs[a1] dependent_provider_copy2 = provider_copy.kwargs[a2] self.assertNotEqual(provider.kwargs, provider_copy.kwargs) self.assertIs(dependent_provider1.cls, dependent_provider_copy1.cls) self.assertIsNot(dependent_provider1, dependent_provider_copy1) self.assertIs(dependent_provider2.cls, dependent_provider_copy2.cls) self.assertIsNot(dependent_provider2, dependent_provider_copy2) def test_deepcopy_overridden(self): provider = providers.Dict() object_provider = providers.Object(object()) provider.override(object_provider) provider_copy = providers.deepcopy(provider) object_provider_copy = provider_copy.overridden[0] self.assertIsNot(provider, provider_copy) self.assertEqual(provider.kwargs, provider_copy.kwargs) self.assertIsInstance(provider, providers.Dict) self.assertIsNot(object_provider, object_provider_copy) self.assertIsInstance(object_provider_copy, providers.Object) def test_deepcopy_with_sys_streams(self): provider = providers.Dict() provider.add_kwargs(stdin=sys.stdin, stdout=sys.stdout, stderr=sys.stderr) provider_copy = providers.deepcopy(provider) self.assertIsNot(provider, provider_copy) self.assertIsInstance(provider_copy, providers.Dict) self.assertIs(provider.kwargs['stdin'], sys.stdin) self.assertIs(provider.kwargs['stdout'], sys.stdout) self.assertIs(provider.kwargs['stderr'], sys.stderr) def test_repr(self): provider = providers.Dict(a1=1, a2=2) self.assertEqual(repr(provider), ''.format( repr(provider.kwargs), hex(id(provider))))