mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-22 09:36:48 +03:00
568 lines
21 KiB
Python
568 lines
21 KiB
Python
"""Dependency injector catalogs unittests."""
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import unittest2 as unittest
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from dependency_injector import catalogs
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from dependency_injector import providers
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from dependency_injector import errors
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class CatalogA(catalogs.DeclarativeCatalog):
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"""Test catalog A."""
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p11 = providers.Provider()
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p12 = providers.Provider()
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class CatalogB(CatalogA):
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"""Test catalog B."""
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p21 = providers.Provider()
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p22 = providers.Provider()
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class CatalogBundleTests(unittest.TestCase):
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"""Catalog bundle test cases."""
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def setUp(self):
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"""Set test environment up."""
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self.bundle = CatalogB.Bundle(CatalogB.p11,
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CatalogB.p12)
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def test_get_attr_from_bundle(self):
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"""Test get providers (attribute) from catalog bundle."""
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self.assertIs(self.bundle.p11, CatalogA.p11)
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self.assertIs(self.bundle.p12, CatalogA.p12)
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def test_get_attr_not_from_bundle(self):
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"""Test get providers (attribute) that are not in bundle."""
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self.assertRaises(errors.Error, getattr, self.bundle, 'p21')
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self.assertRaises(errors.Error, getattr, self.bundle, 'p22')
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def test_get_method_from_bundle(self):
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"""Test get providers (get() method) from bundle."""
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self.assertIs(self.bundle.get_provider('p11'), CatalogB.p11)
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self.assertIs(self.bundle.get_provider('p12'), CatalogB.p12)
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def test_get_method_not_from_bundle(self):
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"""Test get providers (get() method) that are not in bundle."""
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self.assertRaises(errors.Error, self.bundle.get_provider, 'p21')
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self.assertRaises(errors.Error, self.bundle.get_provider, 'p22')
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def test_has(self):
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"""Test checks of providers availability in bundle."""
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self.assertTrue(self.bundle.has_provider('p11'))
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self.assertTrue(self.bundle.has_provider('p12'))
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self.assertFalse(self.bundle.has_provider('p21'))
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self.assertFalse(self.bundle.has_provider('p22'))
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def test_hasattr(self):
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"""Test checks of providers availability in bundle."""
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self.assertTrue(hasattr(self.bundle, 'p11'))
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self.assertTrue(hasattr(self.bundle, 'p12'))
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self.assertFalse(hasattr(self.bundle, 'p21'))
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self.assertFalse(hasattr(self.bundle, 'p22'))
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def test_create_bundle_with_unbound_provider(self):
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"""Test that bundle is not created with unbound provider."""
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self.assertRaises(errors.Error, CatalogB.Bundle, providers.Provider())
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def test_create_bundle_with_another_catalog_provider(self):
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"""Test that bundle can not contain another catalog's provider."""
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class TestCatalog(catalogs.DeclarativeCatalog):
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"""Test catalog."""
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provider = providers.Provider()
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self.assertRaises(errors.Error,
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CatalogB.Bundle, CatalogB.p21, TestCatalog.provider)
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def test_create_bundle_with_another_catalog_provider_with_same_name(self):
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"""Test that bundle can not contain another catalog's provider."""
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class TestCatalog(catalogs.DeclarativeCatalog):
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"""Test catalog."""
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p21 = providers.Provider()
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self.assertRaises(errors.Error,
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CatalogB.Bundle, CatalogB.p21, TestCatalog.p21)
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def test_is_bundle_owner(self):
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"""Test that catalog bundle is owned by catalog."""
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self.assertTrue(CatalogB.is_bundle_owner(self.bundle))
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self.assertFalse(CatalogA.is_bundle_owner(self.bundle))
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def test_is_bundle_owner_with_not_bundle_instance(self):
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"""Test that check of bundle ownership raises error with not bundle."""
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self.assertRaises(errors.Error, CatalogB.is_bundle_owner, object())
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class DynamicCatalogTests(unittest.TestCase):
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"""Dynamic catalog tests."""
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catalog = None
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""":type: di.DynamicCatalog"""
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def setUp(self):
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"""Set test environment up."""
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self.catalog = catalogs.DynamicCatalog(p1=providers.Provider(),
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p2=providers.Provider())
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self.catalog.name = 'TestCatalog'
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def test_providers(self):
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"""Test `di.DeclarativeCatalog.inherited_providers` contents."""
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self.assertDictEqual(self.catalog.providers,
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dict(p1=self.catalog.p1,
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p2=self.catalog.p2))
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def test_bind_provider(self):
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"""Test setting of provider via bind_provider() to catalog."""
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px = providers.Provider()
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py = providers.Provider()
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self.catalog.bind_provider('px', px)
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self.catalog.bind_provider('py', py)
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self.assertIs(self.catalog.px, px)
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self.assertIs(self.catalog.get_provider('px'), px)
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self.assertIs(self.catalog.py, py)
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self.assertIs(self.catalog.get_provider('py'), py)
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def test_bind_providers(self):
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"""Test setting of provider via bind_providers() to catalog."""
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px = providers.Provider()
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py = providers.Provider()
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self.catalog.bind_providers(dict(px=px, py=py))
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self.assertIs(self.catalog.px, px)
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self.assertIs(self.catalog.get_provider('px'), px)
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self.assertIs(self.catalog.py, py)
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self.assertIs(self.catalog.get_provider('py'), py)
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def test_setattr(self):
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"""Test setting of providers via attributes to catalog."""
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px = providers.Provider()
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py = providers.Provider()
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self.catalog.px = px
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self.catalog.py = py
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self.assertIs(self.catalog.px, px)
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self.assertIs(self.catalog.get_provider('px'), px)
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self.assertIs(self.catalog.py, py)
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self.assertIs(self.catalog.get_provider('py'), py)
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def test_unbind_provider(self):
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"""Test that catalog unbinds provider correct."""
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self.catalog.px = providers.Provider()
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self.catalog.unbind_provider('px')
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self.assertFalse(self.catalog.has_provider('px'))
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def test_unbind_via_delattr(self):
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"""Test that catalog unbinds provider correct."""
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self.catalog.px = providers.Provider()
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del self.catalog.px
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self.assertFalse(self.catalog.has_provider('px'))
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def test_provider_is_bound(self):
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"""Test that providers are bound to the catalogs."""
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self.assertTrue(self.catalog.is_provider_bound(self.catalog.p1))
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self.assertEquals(
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self.catalog.get_provider_bind_name(self.catalog.p1), 'p1')
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self.assertTrue(self.catalog.is_provider_bound(self.catalog.p2))
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self.assertEquals(
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self.catalog.get_provider_bind_name(self.catalog.p2), 'p2')
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def test_provider_binding_to_different_catalogs(self):
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"""Test that provider could be bound to different catalogs."""
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p1 = self.catalog.p1
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p2 = self.catalog.p2
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catalog_a = catalogs.DynamicCatalog(pa1=p1, pa2=p2)
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catalog_b = catalogs.DynamicCatalog(pb1=p1, pb2=p2)
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self.assertTrue(self.catalog.is_provider_bound(p1))
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self.assertTrue(catalog_a.is_provider_bound(p1))
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self.assertTrue(catalog_b.is_provider_bound(p1))
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self.assertEquals(self.catalog.get_provider_bind_name(p1), 'p1')
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self.assertEquals(catalog_a.get_provider_bind_name(p1), 'pa1')
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self.assertEquals(catalog_b.get_provider_bind_name(p1), 'pb1')
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self.assertTrue(self.catalog.is_provider_bound(p2))
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self.assertTrue(catalog_a.is_provider_bound(p2))
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self.assertTrue(catalog_b.is_provider_bound(p2))
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self.assertEquals(self.catalog.get_provider_bind_name(p2), 'p2')
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self.assertEquals(catalog_a.get_provider_bind_name(p2), 'pa2')
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self.assertEquals(catalog_b.get_provider_bind_name(p2), 'pb2')
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def test_provider_rebinding_to_the_same_catalog(self):
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"""Test provider rebinding to the same catalog."""
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with self.assertRaises(errors.Error):
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self.catalog.p3 = self.catalog.p1
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def test_provider_binding_with_the_same_name(self):
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"""Test binding of provider with the same name."""
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with self.assertRaises(errors.Error):
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self.catalog.bind_provider('p1', providers.Provider())
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def test_get(self):
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"""Test getting of providers using get() method."""
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self.assertIs(self.catalog.get_provider('p1'), self.catalog.p1)
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self.assertIs(self.catalog.get_provider('p2'), self.catalog.p2)
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def test_get_undefined(self):
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"""Test getting of undefined providers using get() method."""
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with self.assertRaises(errors.UndefinedProviderError):
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self.catalog.get_provider('undefined')
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with self.assertRaises(errors.UndefinedProviderError):
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self.catalog.undefined
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def test_has_provider(self):
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"""Test checks of providers availability in catalog."""
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self.assertTrue(self.catalog.has_provider('p1'))
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self.assertTrue(self.catalog.has_provider('p2'))
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self.assertFalse(self.catalog.has_provider('undefined'))
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def test_filter_all_providers_by_type(self):
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"""Test getting of all catalog providers of specific type."""
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self.assertTrue(len(self.catalog.filter(providers.Provider)) == 2)
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self.assertTrue(len(self.catalog.filter(providers.Value)) == 0)
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def test_repr(self):
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"""Test catalog representation."""
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self.assertIn('TestCatalog', repr(self.catalog))
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self.assertIn('p1', repr(self.catalog))
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self.assertIn('p2', repr(self.catalog))
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class DeclarativeCatalogTests(unittest.TestCase):
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"""Declarative catalog tests."""
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def test_cls_providers(self):
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"""Test `di.DeclarativeCatalog.cls_providers` contents."""
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self.assertDictEqual(CatalogA.cls_providers,
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dict(p11=CatalogA.p11,
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p12=CatalogA.p12))
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self.assertDictEqual(CatalogB.cls_providers,
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dict(p21=CatalogB.p21,
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p22=CatalogB.p22))
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def test_inherited_providers(self):
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"""Test `di.DeclarativeCatalog.inherited_providers` contents."""
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self.assertDictEqual(CatalogA.inherited_providers, dict())
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self.assertDictEqual(CatalogB.inherited_providers,
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dict(p11=CatalogA.p11,
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p12=CatalogA.p12))
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def test_providers(self):
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"""Test `di.DeclarativeCatalog.inherited_providers` contents."""
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self.assertDictEqual(CatalogA.providers,
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dict(p11=CatalogA.p11,
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p12=CatalogA.p12))
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self.assertDictEqual(CatalogB.providers,
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dict(p11=CatalogA.p11,
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p12=CatalogA.p12,
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p21=CatalogB.p21,
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p22=CatalogB.p22))
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def test_bind_provider(self):
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"""Test setting of provider via bind_provider() to catalog."""
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px = providers.Provider()
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py = providers.Provider()
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CatalogA.bind_provider('px', px)
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CatalogA.bind_provider('py', py)
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self.assertIs(CatalogA.px, px)
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self.assertIs(CatalogA.get_provider('px'), px)
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self.assertIs(CatalogA.py, py)
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self.assertIs(CatalogA.get_provider('py'), py)
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del CatalogA.px
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del CatalogA.py
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def test_bind_providers(self):
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"""Test setting of provider via bind_providers() to catalog."""
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px = providers.Provider()
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py = providers.Provider()
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CatalogB.bind_providers(dict(px=px, py=py))
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self.assertIs(CatalogB.px, px)
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self.assertIs(CatalogB.get_provider('px'), px)
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self.assertIs(CatalogB.py, py)
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self.assertIs(CatalogB.get_provider('py'), py)
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del CatalogB.px
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del CatalogB.py
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def test_setattr(self):
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"""Test setting of providers via attributes to catalog."""
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px = providers.Provider()
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py = providers.Provider()
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CatalogB.px = px
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CatalogB.py = py
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self.assertIs(CatalogB.px, px)
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self.assertIs(CatalogB.get_provider('px'), px)
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self.assertIs(CatalogB.py, py)
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self.assertIs(CatalogB.get_provider('py'), py)
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del CatalogB.px
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del CatalogB.py
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def test_unbind_provider(self):
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"""Test that catalog unbinds provider correct."""
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CatalogB.px = providers.Provider()
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CatalogB.unbind_provider('px')
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self.assertFalse(CatalogB.has_provider('px'))
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def test_unbind_via_delattr(self):
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"""Test that catalog unbinds provider correct."""
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CatalogB.px = providers.Provider()
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del CatalogB.px
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self.assertFalse(CatalogB.has_provider('px'))
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def test_provider_is_bound(self):
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"""Test that providers are bound to the catalogs."""
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self.assertTrue(CatalogA.is_provider_bound(CatalogA.p11))
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self.assertEquals(CatalogA.get_provider_bind_name(CatalogA.p11), 'p11')
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self.assertTrue(CatalogA.is_provider_bound(CatalogA.p12))
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self.assertEquals(CatalogA.get_provider_bind_name(CatalogA.p12), 'p12')
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def test_provider_binding_to_different_catalogs(self):
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"""Test that provider could be bound to different catalogs."""
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p11 = CatalogA.p11
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p12 = CatalogA.p12
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class CatalogD(catalogs.DeclarativeCatalog):
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"""Test catalog."""
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pd1 = p11
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pd2 = p12
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class CatalogE(catalogs.DeclarativeCatalog):
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"""Test catalog."""
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pe1 = p11
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pe2 = p12
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self.assertTrue(CatalogA.is_provider_bound(p11))
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self.assertTrue(CatalogD.is_provider_bound(p11))
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self.assertTrue(CatalogE.is_provider_bound(p11))
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self.assertEquals(CatalogA.get_provider_bind_name(p11), 'p11')
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self.assertEquals(CatalogD.get_provider_bind_name(p11), 'pd1')
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self.assertEquals(CatalogE.get_provider_bind_name(p11), 'pe1')
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self.assertTrue(CatalogA.is_provider_bound(p12))
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self.assertTrue(CatalogD.is_provider_bound(p12))
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self.assertTrue(CatalogE.is_provider_bound(p12))
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self.assertEquals(CatalogA.get_provider_bind_name(p12), 'p12')
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self.assertEquals(CatalogD.get_provider_bind_name(p12), 'pd2')
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self.assertEquals(CatalogE.get_provider_bind_name(p12), 'pe2')
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def test_provider_rebinding_to_the_same_catalog(self):
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"""Test provider rebinding to the same catalog."""
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with self.assertRaises(errors.Error):
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class TestCatalog(catalogs.DeclarativeCatalog):
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"""Test catalog."""
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p1 = providers.Provider()
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p2 = p1
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def test_provider_rebinding_to_the_same_catalogs_hierarchy(self):
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"""Test provider rebinding to the same catalogs hierarchy."""
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class TestCatalog1(catalogs.DeclarativeCatalog):
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"""Test catalog."""
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p1 = providers.Provider()
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with self.assertRaises(errors.Error):
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class TestCatalog2(TestCatalog1):
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"""Test catalog."""
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p2 = TestCatalog1.p1
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def test_get(self):
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"""Test getting of providers using get() method."""
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self.assertIs(CatalogB.get('p11'), CatalogB.p11)
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self.assertIs(CatalogB.get('p12'), CatalogB.p12)
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self.assertIs(CatalogB.get('p22'), CatalogB.p22)
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self.assertIs(CatalogB.get('p22'), CatalogB.p22)
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self.assertIs(CatalogB.get_provider('p11'), CatalogB.p11)
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self.assertIs(CatalogB.get_provider('p12'), CatalogB.p12)
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self.assertIs(CatalogB.get_provider('p22'), CatalogB.p22)
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self.assertIs(CatalogB.get_provider('p22'), CatalogB.p22)
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def test_get_undefined(self):
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"""Test getting of undefined providers using get() method."""
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with self.assertRaises(errors.UndefinedProviderError):
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CatalogB.get('undefined')
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with self.assertRaises(errors.UndefinedProviderError):
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CatalogB.get_provider('undefined')
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with self.assertRaises(errors.UndefinedProviderError):
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CatalogB.undefined
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def test_has(self):
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"""Test checks of providers availability in catalog."""
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self.assertTrue(CatalogB.has('p11'))
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self.assertTrue(CatalogB.has('p12'))
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self.assertTrue(CatalogB.has('p21'))
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self.assertTrue(CatalogB.has('p22'))
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self.assertFalse(CatalogB.has('undefined'))
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self.assertTrue(CatalogB.has_provider('p11'))
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self.assertTrue(CatalogB.has_provider('p12'))
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self.assertTrue(CatalogB.has_provider('p21'))
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self.assertTrue(CatalogB.has_provider('p22'))
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self.assertFalse(CatalogB.has_provider('undefined'))
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def test_filter_all_providers_by_type(self):
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"""Test getting of all catalog providers of specific type."""
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self.assertTrue(len(CatalogB.filter(providers.Provider)) == 4)
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self.assertTrue(len(CatalogB.filter(providers.Value)) == 0)
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def test_repr(self):
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"""Test catalog representation."""
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self.assertIn('CatalogA', repr(CatalogA))
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self.assertIn('p11', repr(CatalogA))
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self.assertIn('p12', repr(CatalogA))
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self.assertIn('CatalogB', repr(CatalogB))
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self.assertIn('p11', repr(CatalogB))
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self.assertIn('p12', repr(CatalogB))
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self.assertIn('p21', repr(CatalogB))
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self.assertIn('p22', repr(CatalogB))
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def test_abstract_catalog_backward_compatibility(self):
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"""Test that di.AbstractCatalog is available."""
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self.assertIs(catalogs.DeclarativeCatalog, catalogs.AbstractCatalog)
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class OverrideTests(unittest.TestCase):
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"""Catalog overriding and override decorator test cases."""
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def tearDown(self):
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"""Tear test environment down."""
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CatalogA.reset_override()
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def test_overriding(self):
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"""Test catalog overriding with another catalog."""
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@catalogs.override(CatalogA)
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class OverridingCatalog(catalogs.DeclarativeCatalog):
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"""Overriding catalog."""
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|
p11 = providers.Value(1)
|
|
p12 = providers.Value(2)
|
|
|
|
self.assertEqual(CatalogA.p11(), 1)
|
|
self.assertEqual(CatalogA.p12(), 2)
|
|
self.assertEqual(len(CatalogA.overridden_by), 1)
|
|
|
|
def test_overriding_with_dynamic_catalog(self):
|
|
"""Test catalog overriding with another dynamic catalog."""
|
|
CatalogA.override(catalogs.DynamicCatalog(p11=providers.Value(1),
|
|
p12=providers.Value(2)))
|
|
self.assertEqual(CatalogA.p11(), 1)
|
|
self.assertEqual(CatalogA.p12(), 2)
|
|
self.assertEqual(len(CatalogA.overridden_by), 1)
|
|
|
|
def test_is_overridden(self):
|
|
"""Test catalog is_overridden property."""
|
|
self.assertFalse(CatalogA.is_overridden)
|
|
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
self.assertTrue(CatalogA.is_overridden)
|
|
|
|
def test_last_overriding(self):
|
|
"""Test catalog last_overriding property."""
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog1(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog2(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
self.assertIs(CatalogA.last_overriding, OverridingCatalog2)
|
|
|
|
def test_last_overriding_on_not_overridden(self):
|
|
"""Test catalog last_overriding property on not overridden catalog."""
|
|
self.assertIsNone(CatalogA.last_overriding)
|
|
|
|
def test_reset_last_overriding(self):
|
|
"""Test resetting last overriding catalog."""
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog1(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
p11 = providers.Value(1)
|
|
p12 = providers.Value(2)
|
|
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog2(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
p11 = providers.Value(3)
|
|
p12 = providers.Value(4)
|
|
|
|
CatalogA.reset_last_overriding()
|
|
|
|
self.assertEqual(CatalogA.p11(), 1)
|
|
self.assertEqual(CatalogA.p12(), 2)
|
|
|
|
def test_reset_last_overriding_when_not_overridden(self):
|
|
"""Test resetting last overriding catalog when it is not overridden."""
|
|
with self.assertRaises(errors.Error):
|
|
CatalogA.reset_last_overriding()
|
|
|
|
def test_reset_override(self):
|
|
"""Test resetting all catalog overrides."""
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog1(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
p11 = providers.Value(1)
|
|
p12 = providers.Value(2)
|
|
|
|
@catalogs.override(CatalogA)
|
|
class OverridingCatalog2(catalogs.DeclarativeCatalog):
|
|
"""Overriding catalog."""
|
|
|
|
p11 = providers.Value(3)
|
|
p12 = providers.Value(4)
|
|
|
|
CatalogA.reset_override()
|
|
|
|
self.assertFalse(CatalogA.p11.is_overridden)
|
|
self.assertFalse(CatalogA.p12.is_overridden)
|
|
|
|
|
|
class CatalogModuleBackwardCompatibility(unittest.TestCase):
|
|
"""Backward compatibility test of catalog module."""
|
|
|
|
def test_import_catalog(self):
|
|
"""Test that module `catalog` is the same as `catalogs`."""
|
|
from dependency_injector import catalog
|
|
from dependency_injector import catalogs
|
|
|
|
self.assertIs(catalog, catalogs)
|