mirror of
https://github.com/ets-labs/python-dependency-injector.git
synced 2024-11-29 13:04:02 +03:00
d74e8248a1
* Add strict mode + tests * Add .required() for configuration option * Add wiring tests for required() modifier * Add wiring support * Add tests for defined None values in required/strict mode * Add docs * Update changelog * Update example doc block
663 lines
22 KiB
Python
663 lines
22 KiB
Python
"""Dependency injector config providers unit tests."""
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import contextlib
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import decimal
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import os
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import sys
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import tempfile
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import unittest2 as unittest
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from dependency_injector import containers, providers, errors
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class ConfigTests(unittest.TestCase):
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def setUp(self):
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self.config = providers.Configuration(name='config')
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def tearDown(self):
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del self.config
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def test_default_name(self):
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config = providers.Configuration()
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self.assertEqual(config.get_name(), 'config')
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def test_providers_are_providers(self):
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self.assertTrue(providers.is_provider(self.config.a))
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self.assertTrue(providers.is_provider(self.config.a.b))
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self.assertTrue(providers.is_provider(self.config.a.b.c))
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self.assertTrue(providers.is_provider(self.config.a.b.d))
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def test_providers_are_not_delegates(self):
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self.assertFalse(providers.is_delegated(self.config.a))
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self.assertFalse(providers.is_delegated(self.config.a.b))
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self.assertFalse(providers.is_delegated(self.config.a.b.c))
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self.assertFalse(providers.is_delegated(self.config.a.b.d))
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def test_providers_identity(self):
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self.assertIs(self.config.a, self.config.a)
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self.assertIs(self.config.a.b, self.config.a.b)
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self.assertIs(self.config.a.b.c, self.config.a.b.c)
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self.assertIs(self.config.a.b.d, self.config.a.b.d)
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def test_get_name(self):
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self.assertEqual(self.config.a.b.c.get_name(), 'config.a.b.c')
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def test_providers_value_setting(self):
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a = self.config.a
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ab = self.config.a.b
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abc = self.config.a.b.c
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abd = self.config.a.b.d
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self.config.update({'a': {'b': {'c': 1, 'd': 2}}})
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self.assertEqual(a(), {'b': {'c': 1, 'd': 2}})
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self.assertEqual(ab(), {'c': 1, 'd': 2})
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self.assertEqual(abc(), 1)
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self.assertEqual(abd(), 2)
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def test_providers_with_already_set_value(self):
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self.config.update({'a': {'b': {'c': 1, 'd': 2}}})
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a = self.config.a
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ab = self.config.a.b
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abc = self.config.a.b.c
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abd = self.config.a.b.d
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self.assertEqual(a(), {'b': {'c': 1, 'd': 2}})
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self.assertEqual(ab(), {'c': 1, 'd': 2})
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self.assertEqual(abc(), 1)
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self.assertEqual(abd(), 2)
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def test_as_int(self):
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value_provider = providers.Callable(lambda value: value, self.config.test.as_int())
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self.config.from_dict({'test': '123'})
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value = value_provider()
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self.assertEqual(value, 123)
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def test_as_float(self):
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value_provider = providers.Callable(lambda value: value, self.config.test.as_float())
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self.config.from_dict({'test': '123.123'})
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value = value_provider()
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self.assertEqual(value, 123.123)
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def test_as_(self):
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value_provider = providers.Callable(
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lambda value: value,
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self.config.test.as_(decimal.Decimal),
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)
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self.config.from_dict({'test': '123.123'})
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value = value_provider()
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self.assertEqual(value, decimal.Decimal('123.123'))
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def test_required(self):
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provider = providers.Callable(
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lambda value: value,
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self.config.a.required(),
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)
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with self.assertRaisesRegex(errors.Error, 'Undefined configuration option "config.a"'):
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provider()
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def test_required_defined_none(self):
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provider = providers.Callable(
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lambda value: value,
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self.config.a.required(),
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)
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self.config.from_dict({'a': None})
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self.assertIsNone(provider())
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def test_required_no_side_effect(self):
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_ = providers.Callable(
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lambda value: value,
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self.config.a.required(),
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)
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self.assertIsNone(self.config.a())
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def test_required_as_(self):
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provider = providers.List(
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self.config.int_test.required().as_int(),
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self.config.float_test.required().as_float(),
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self.config._as_test.required().as_(decimal.Decimal),
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)
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self.config.from_dict({'int_test': '1', 'float_test': '2.0', '_as_test': '3.0'})
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self.assertEqual(provider(), [1, 2.0, decimal.Decimal('3.0')])
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def test_providers_value_override(self):
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a = self.config.a
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ab = self.config.a.b
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abc = self.config.a.b.c
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abd = self.config.a.b.d
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self.config.override({'a': {'b': {'c': 1, 'd': 2}}})
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self.assertEqual(a(), {'b': {'c': 1, 'd': 2}})
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self.assertEqual(ab(), {'c': 1, 'd': 2})
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self.assertEqual(abc(), 1)
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self.assertEqual(abd(), 2)
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def test_configuration_option_override_and_reset_override(self):
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# Bug: https://github.com/ets-labs/python-dependency-injector/issues/319
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self.config.from_dict({'a': {'b': {'c': 1}}})
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self.assertEqual(self.config.a.b.c(), 1)
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with self.config.set('a.b.c', 'xxx'):
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self.assertEqual(self.config.a.b.c(), 'xxx')
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self.assertEqual(self.config.a.b.c(), 1)
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with self.config.a.b.c.override('yyy'):
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self.assertEqual(self.config.a.b.c(), 'yyy')
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self.assertEqual(self.config.a.b.c(), 1)
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def test_providers_with_already_overridden_value(self):
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self.config.override({'a': {'b': {'c': 1, 'd': 2}}})
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a = self.config.a
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ab = self.config.a.b
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abc = self.config.a.b.c
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abd = self.config.a.b.d
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self.assertEqual(a(), {'b': {'c': 1, 'd': 2}})
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self.assertEqual(ab(), {'c': 1, 'd': 2})
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self.assertEqual(abc(), 1)
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self.assertEqual(abd(), 2)
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def test_providers_with_default_value(self):
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self.config = providers.Configuration(
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name='config', default={'a': {'b': {'c': 1, 'd': 2}}})
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a = self.config.a
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ab = self.config.a.b
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abc = self.config.a.b.c
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abd = self.config.a.b.d
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self.assertEqual(a(), {'b': {'c': 1, 'd': 2}})
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self.assertEqual(ab(), {'c': 1, 'd': 2})
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self.assertEqual(abc(), 1)
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self.assertEqual(abd(), 2)
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def test_providers_with_default_value_overriding(self):
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self.config = providers.Configuration(
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name='config', default={'a': {'b': {'c': 1, 'd': 2}}})
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self.assertEqual(self.config.a(), {'b': {'c': 1, 'd': 2}})
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self.assertEqual(self.config.a.b(), {'c': 1, 'd': 2})
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self.assertEqual(self.config.a.b.c(), 1)
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self.assertEqual(self.config.a.b.d(), 2)
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self.config.override({'a': {'b': {'c': 3, 'd': 4}}})
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self.assertEqual(self.config.a(), {'b': {'c': 3, 'd': 4}})
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self.assertEqual(self.config.a.b(), {'c': 3, 'd': 4})
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self.assertEqual(self.config.a.b.c(), 3)
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self.assertEqual(self.config.a.b.d(), 4)
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self.config.reset_override()
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self.assertEqual(self.config.a(), {'b': {'c': 1, 'd': 2}})
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self.assertEqual(self.config.a.b(), {'c': 1, 'd': 2})
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self.assertEqual(self.config.a.b.c(), 1)
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self.assertEqual(self.config.a.b.d(), 2)
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def test_value_of_undefined_option(self):
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self.assertIsNone(self.config.a())
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def test_value_of_undefined_option_in_strict_mode(self):
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self.config = providers.Configuration(strict=True)
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with self.assertRaisesRegex(errors.Error, 'Undefined configuration option "config.a"'):
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self.config.a()
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def test_value_of_defined_none_option_in_strict_mode(self):
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self.config = providers.Configuration(strict=True)
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self.config.from_dict({'a': None})
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self.assertIsNone(self.config.a())
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def test_getting_of_special_attributes(self):
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with self.assertRaises(AttributeError):
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self.config.__name__
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def test_getting_of_special_attributes_from_child(self):
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a = self.config.a
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with self.assertRaises(AttributeError):
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a.__name__
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def test_missing_key(self):
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# See: https://github.com/ets-labs/python-dependency-injector/issues/358
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self.config.override(None)
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value = self.config.key()
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self.assertIsNone(value)
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def test_deepcopy(self):
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provider = providers.Configuration('config')
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provider_copy = providers.deepcopy(provider)
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self.assertIsNot(provider, provider_copy)
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self.assertIsInstance(provider, providers.Configuration)
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def test_deepcopy_from_memo(self):
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provider = providers.Configuration('config')
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provider_copy_memo = providers.Configuration('config')
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provider_copy = providers.deepcopy(
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provider, memo={id(provider): provider_copy_memo})
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self.assertIs(provider_copy, provider_copy_memo)
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def test_deepcopy_overridden(self):
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provider = providers.Configuration('config')
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object_provider = providers.Object(object())
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provider.override(object_provider)
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provider_copy = providers.deepcopy(provider)
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object_provider_copy = provider_copy.overridden[0]
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self.assertIsNot(provider, provider_copy)
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self.assertIsInstance(provider, providers.Configuration)
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self.assertIsNot(object_provider, object_provider_copy)
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self.assertIsInstance(object_provider_copy, providers.Object)
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def test_repr(self):
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self.assertEqual(repr(self.config),
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'<dependency_injector.providers.'
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'Configuration({0}) at {1}>'.format(
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repr('config'),
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hex(id(self.config))))
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def test_repr_child(self):
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self.assertEqual(repr(self.config.a.b.c),
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'<dependency_injector.providers.'
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'ConfigurationOption({0}) at {1}>'.format(
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repr('config.a.b.c'),
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hex(id(self.config.a.b.c))))
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class ConfigLinkingTests(unittest.TestCase):
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class TestCore(containers.DeclarativeContainer):
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config = providers.Configuration('core')
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value_getter = providers.Callable(lambda _: _, config.value)
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class TestServices(containers.DeclarativeContainer):
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config = providers.Configuration('services')
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value_getter = providers.Callable(lambda _: _, config.value)
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def test(self):
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root_config = providers.Configuration('main')
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core = self.TestCore(config=root_config.core)
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services = self.TestServices(config=root_config.services)
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root_config.override(
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{
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'core': {
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'value': 'core',
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},
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'services': {
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'value': 'services',
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},
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},
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)
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self.assertEqual(core.config(), {'value': 'core'})
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self.assertEqual(core.config.value(), 'core')
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self.assertEqual(core.value_getter(), 'core')
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self.assertEqual(services.config(), {'value': 'services'})
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self.assertEqual(services.config.value(), 'services')
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self.assertEqual(services.value_getter(), 'services')
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def test_double_override(self):
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root_config = providers.Configuration('main')
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core = self.TestCore(config=root_config.core)
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services = self.TestServices(config=root_config.services)
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root_config.override(
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{
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'core': {
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'value': 'core1',
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},
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'services': {
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'value': 'services1',
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},
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},
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)
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root_config.override(
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{
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'core': {
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'value': 'core2',
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},
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'services': {
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'value': 'services2',
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},
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},
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)
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self.assertEqual(core.config(), {'value': 'core2'})
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self.assertEqual(core.config.value(), 'core2')
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self.assertEqual(core.value_getter(), 'core2')
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self.assertEqual(services.config(), {'value': 'services2'})
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self.assertEqual(services.config.value(), 'services2')
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self.assertEqual(services.value_getter(), 'services2')
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class ConfigFromIniTests(unittest.TestCase):
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def setUp(self):
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self.config = providers.Configuration(name='config')
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_, self.config_file_1 = tempfile.mkstemp()
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with open(self.config_file_1, 'w') as config_file:
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config_file.write(
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'[section1]\n'
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'value1=1\n'
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'\n'
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'[section2]\n'
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'value2=2\n'
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)
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_, self.config_file_2 = tempfile.mkstemp()
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with open(self.config_file_2, 'w') as config_file:
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config_file.write(
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'[section1]\n'
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'value1=11\n'
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'value11=11\n'
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'[section3]\n'
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'value3=3\n'
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)
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def tearDown(self):
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del self.config
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os.unlink(self.config_file_1)
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os.unlink(self.config_file_2)
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def test(self):
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self.config.from_ini(self.config_file_1)
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self.assertEqual(self.config(), {'section1': {'value1': '1'}, 'section2': {'value2': '2'}})
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self.assertEqual(self.config.section1(), {'value1': '1'})
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self.assertEqual(self.config.section1.value1(), '1')
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self.assertEqual(self.config.section2(), {'value2': '2'})
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self.assertEqual(self.config.section2.value2(), '2')
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def test_merge(self):
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self.config.from_ini(self.config_file_1)
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self.config.from_ini(self.config_file_2)
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self.assertEqual(
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self.config(),
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{
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'section1': {
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'value1': '11',
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'value11': '11',
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},
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'section2': {
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'value2': '2',
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},
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'section3': {
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'value3': '3',
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},
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},
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)
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self.assertEqual(self.config.section1(), {'value1': '11', 'value11': '11'})
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self.assertEqual(self.config.section1.value1(), '11')
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self.assertEqual(self.config.section1.value11(), '11')
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self.assertEqual(self.config.section2(), {'value2': '2'})
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self.assertEqual(self.config.section2.value2(), '2')
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self.assertEqual(self.config.section3(), {'value3': '3'})
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self.assertEqual(self.config.section3.value3(), '3')
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class ConfigFromIniWithEnvInterpolationTests(unittest.TestCase):
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def setUp(self):
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self.config = providers.Configuration(name='config')
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os.environ['CONFIG_TEST_ENV'] = 'test-value'
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_, self.config_file = tempfile.mkstemp()
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with open(self.config_file, 'w') as config_file:
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config_file.write(
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'[section1]\n'
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'value1=${CONFIG_TEST_ENV}\n'
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)
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def tearDown(self):
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del self.config
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del os.environ['CONFIG_TEST_ENV']
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os.unlink(self.config_file)
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def test_env_variable_interpolation(self):
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self.config.from_ini(self.config_file)
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self.assertEqual(
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self.config(),
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{
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'section1': {
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'value1': 'test-value',
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},
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},
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)
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self.assertEqual(self.config.section1(), {'value1': 'test-value'})
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self.assertEqual(self.config.section1.value1(), 'test-value')
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class ConfigFromYamlTests(unittest.TestCase):
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def setUp(self):
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self.config = providers.Configuration(name='config')
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_, self.config_file_1 = tempfile.mkstemp()
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with open(self.config_file_1, 'w') as config_file:
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config_file.write(
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'section1:\n'
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' value1: 1\n'
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'\n'
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'section2:\n'
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' value2: 2\n'
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)
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_, self.config_file_2 = tempfile.mkstemp()
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with open(self.config_file_2, 'w') as config_file:
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config_file.write(
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'section1:\n'
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' value1: 11\n'
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' value11: 11\n'
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'section3:\n'
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' value3: 3\n'
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)
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def tearDown(self):
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del self.config
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os.unlink(self.config_file_1)
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os.unlink(self.config_file_2)
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@unittest.skipIf(sys.version_info[:2] == (3, 4), 'PyYAML does not support Python 3.4')
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def test(self):
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self.config.from_yaml(self.config_file_1)
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self.assertEqual(self.config(), {'section1': {'value1': 1}, 'section2': {'value2': 2}})
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self.assertEqual(self.config.section1(), {'value1': 1})
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self.assertEqual(self.config.section1.value1(), 1)
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self.assertEqual(self.config.section2(), {'value2': 2})
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self.assertEqual(self.config.section2.value2(), 2)
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@unittest.skipIf(sys.version_info[:2] == (3, 4), 'PyYAML does not support Python 3.4')
|
|
def test_merge(self):
|
|
self.config.from_yaml(self.config_file_1)
|
|
self.config.from_yaml(self.config_file_2)
|
|
|
|
self.assertEqual(
|
|
self.config(),
|
|
{
|
|
'section1': {
|
|
'value1': 11,
|
|
'value11': 11,
|
|
},
|
|
'section2': {
|
|
'value2': 2,
|
|
},
|
|
'section3': {
|
|
'value3': 3,
|
|
},
|
|
},
|
|
)
|
|
self.assertEqual(self.config.section1(), {'value1': 11, 'value11': 11})
|
|
self.assertEqual(self.config.section1.value1(), 11)
|
|
self.assertEqual(self.config.section1.value11(), 11)
|
|
self.assertEqual(self.config.section2(), {'value2': 2})
|
|
self.assertEqual(self.config.section2.value2(), 2)
|
|
self.assertEqual(self.config.section3(), {'value3': 3})
|
|
self.assertEqual(self.config.section3.value3(), 3)
|
|
|
|
def test_no_yaml_installed(self):
|
|
@contextlib.contextmanager
|
|
def no_yaml_module():
|
|
yaml = providers.yaml
|
|
providers.yaml = None
|
|
|
|
yield
|
|
|
|
providers.yaml = yaml
|
|
|
|
with no_yaml_module():
|
|
with self.assertRaises(errors.Error) as error:
|
|
self.config.from_yaml(self.config_file_1)
|
|
|
|
self.assertEqual(
|
|
error.exception.args[0],
|
|
'Unable to load yaml configuration - PyYAML is not installed. '
|
|
'Install PyYAML or install Dependency Injector with yaml extras: '
|
|
'"pip install dependency-injector[yaml]"',
|
|
)
|
|
|
|
|
|
class ConfigFromYamlWithEnvInterpolationTests(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.config = providers.Configuration(name='config')
|
|
|
|
os.environ['CONFIG_TEST_ENV'] = 'test-value'
|
|
|
|
_, self.config_file = tempfile.mkstemp()
|
|
with open(self.config_file, 'w') as config_file:
|
|
config_file.write(
|
|
'section1:\n'
|
|
' value1: ${CONFIG_TEST_ENV}\n'
|
|
)
|
|
|
|
def tearDown(self):
|
|
del self.config
|
|
del os.environ['CONFIG_TEST_ENV']
|
|
os.unlink(self.config_file)
|
|
|
|
@unittest.skipIf(sys.version_info[:2] == (3, 4), 'PyYAML does not support Python 3.4')
|
|
def test_env_variable_interpolation(self):
|
|
self.config.from_yaml(self.config_file)
|
|
|
|
self.assertEqual(
|
|
self.config(),
|
|
{
|
|
'section1': {
|
|
'value1': 'test-value',
|
|
},
|
|
},
|
|
)
|
|
self.assertEqual(self.config.section1(), {'value1': 'test-value'})
|
|
self.assertEqual(self.config.section1.value1(), 'test-value')
|
|
|
|
|
|
class ConfigFromDict(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.config = providers.Configuration(name='config')
|
|
|
|
self.config_options_1 = {
|
|
'section1': {
|
|
'value1': '1',
|
|
},
|
|
'section2': {
|
|
'value2': '2',
|
|
},
|
|
}
|
|
self.config_options_2 = {
|
|
'section1': {
|
|
'value1': '11',
|
|
'value11': '11',
|
|
},
|
|
'section3': {
|
|
'value3': '3',
|
|
},
|
|
}
|
|
|
|
def test(self):
|
|
self.config.from_dict(self.config_options_1)
|
|
|
|
self.assertEqual(self.config(), {'section1': {'value1': '1'}, 'section2': {'value2': '2'}})
|
|
self.assertEqual(self.config.section1(), {'value1': '1'})
|
|
self.assertEqual(self.config.section1.value1(), '1')
|
|
self.assertEqual(self.config.section2(), {'value2': '2'})
|
|
self.assertEqual(self.config.section2.value2(), '2')
|
|
|
|
def test_merge(self):
|
|
self.config.from_dict(self.config_options_1)
|
|
self.config.from_dict(self.config_options_2)
|
|
|
|
self.assertEqual(
|
|
self.config(),
|
|
{
|
|
'section1': {
|
|
'value1': '11',
|
|
'value11': '11',
|
|
},
|
|
'section2': {
|
|
'value2': '2',
|
|
},
|
|
'section3': {
|
|
'value3': '3',
|
|
},
|
|
},
|
|
)
|
|
self.assertEqual(self.config.section1(), {'value1': '11', 'value11': '11'})
|
|
self.assertEqual(self.config.section1.value1(), '11')
|
|
self.assertEqual(self.config.section1.value11(), '11')
|
|
self.assertEqual(self.config.section2(), {'value2': '2'})
|
|
self.assertEqual(self.config.section2.value2(), '2')
|
|
self.assertEqual(self.config.section3(), {'value3': '3'})
|
|
self.assertEqual(self.config.section3.value3(), '3')
|
|
|
|
|
|
class ConfigFromEnvTests(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
self.config = providers.Configuration(name='config')
|
|
os.environ['CONFIG_TEST_ENV'] = 'test-value'
|
|
|
|
def tearDown(self):
|
|
del self.config
|
|
del os.environ['CONFIG_TEST_ENV']
|
|
|
|
def test(self):
|
|
self.config.from_env('CONFIG_TEST_ENV')
|
|
self.assertEqual(self.config(), 'test-value')
|
|
|
|
def test_default(self):
|
|
self.config.from_env('UNDEFINED_ENV', 'default-value')
|
|
self.assertEqual(self.config(), 'default-value')
|
|
|
|
def test_with_children(self):
|
|
self.config.section1.value1.from_env('CONFIG_TEST_ENV')
|
|
|
|
self.assertEqual(self.config(), {'section1': {'value1': 'test-value'}})
|
|
self.assertEqual(self.config.section1(), {'value1': 'test-value'})
|
|
self.assertEqual(self.config.section1.value1(), 'test-value')
|