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https://github.com/ets-labs/python-dependency-injector.git
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102 lines
3.6 KiB
Python
102 lines
3.6 KiB
Python
"""Dependency injector catalog bundles unittests."""
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import unittest2 as unittest
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from dependency_injector import (
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catalogs,
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providers,
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errors,
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)
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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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