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https://github.com/ets-labs/python-dependency-injector.git
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52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
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"""Objects catalog unittests."""
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import unittest2 as unittest
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from objects.catalog import AbstractCatalog
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from objects.providers import Object
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from objects.providers import Value
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from objects.errors import Error
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class CatalogTests(unittest.TestCase):
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"""Catalog test cases."""
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class Catalog(AbstractCatalog):
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"""Test catalog."""
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obj = Object(object())
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another_obj = Object(object())
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def test_get_used(self):
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"""Test retrieving used provider."""
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catalog = self.Catalog(self.Catalog.obj)
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self.assertIsInstance(catalog.obj(), object)
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def test_get_unused(self):
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"""Test retrieving unused provider."""
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catalog = self.Catalog()
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self.assertRaises(Error, getattr, catalog, 'obj')
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def test_all_providers(self):
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"""Test getting of all catalog providers."""
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all_providers = self.Catalog.all_providers()
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all_providers_dict = dict(all_providers)
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self.assertIsInstance(all_providers, set)
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self.assertTrue(len(all_providers) == 2)
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self.assertIn('obj', all_providers_dict)
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self.assertIn(self.Catalog.obj, all_providers_dict.values())
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self.assertIn('another_obj', all_providers_dict)
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self.assertIn(self.Catalog.another_obj, all_providers_dict.values())
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def test_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.all_providers(Object)) == 2)
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self.assertTrue(len(self.Catalog.all_providers(Value)) == 0)
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