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https://github.com/ets-labs/python-dependency-injector.git
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86 lines
3.3 KiB
Python
86 lines
3.3 KiB
Python
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"""Dependency injector config providers unittests."""
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import unittest2 as unittest
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from dependency_injector import providers
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from dependency_injector import utils
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from dependency_injector import errors
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class ConfigTests(unittest.TestCase):
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"""Config test cases."""
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def setUp(self):
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"""Set test cases environment up."""
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self.initial_data = dict(key='value',
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category=dict(setting='setting_value'))
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self.provider = providers.Config(self.initial_data)
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def test_is_provider(self):
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"""Test `is_provider` check."""
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self.assertTrue(utils.is_provider(self.provider))
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def test_init_without_initial_value(self):
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"""Test provider's creation with no initial value."""
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self.assertEqual(providers.Config()(), dict())
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def test_call(self):
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"""Test returning of config value."""
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self.assertEqual(self.provider(), self.initial_data)
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def test_update_from(self):
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"""Test update of config value."""
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self.assertEqual(self.provider(), self.initial_data)
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self.initial_data['key'] = 'other_value'
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self.provider.update_from(self.initial_data)
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self.assertEqual(self.provider(), self.initial_data)
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def test_call_child(self):
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"""Test returning of child config values."""
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category = self.provider.category
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category_setting = self.provider.category.setting
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self.assertTrue(utils.is_provider(category))
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self.assertTrue(utils.is_provider(category_setting))
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self.assertEqual(category(), self.initial_data['category'])
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self.assertEqual(category_setting(),
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self.initial_data['category']['setting'])
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def test_call_deferred_child_and_update_from(self):
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"""Test returning of deferred child config values."""
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self.provider = providers.Config()
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category = self.provider.category
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category_setting = self.provider.category.setting
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self.assertTrue(utils.is_provider(category))
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self.assertTrue(utils.is_provider(category_setting))
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self.provider.update_from(self.initial_data)
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self.assertEqual(category(), self.initial_data['category'])
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self.assertEqual(category_setting(),
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self.initial_data['category']['setting'])
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def test_call_deferred_child_with_empty_value(self):
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"""Test returning of deferred child config values."""
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self.provider = providers.Config()
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category_setting = self.provider.category.setting
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self.assertRaises(errors.Error, category_setting)
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def test_repr(self):
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"""Test representation of provider."""
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self.assertEqual(repr(self.provider),
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'<dependency_injector.providers.config.'
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'Config({0}) at {1}>'.format(
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repr(self.initial_data),
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hex(id(self.provider))))
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category_setting = self.provider.category.setting
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self.assertEqual(repr(category_setting),
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'<dependency_injector.providers.config.'
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'ChildConfig({0}) at {1}>'.format(
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repr('.'.join(('category', 'setting'))),
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hex(id(category_setting))))
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