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https://github.com/fergalmoran/picard.git
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bc11a330ab
- basically it returns config.setting[key] when key isn't in the internal dict - it protects config.setting from any write, since __setitem__ only write to self._dict - del settings['xxx'] will remove 'xxx' from internal dict, but still allow access to config.setting - it can be used for tests - minimal implementation based on MutableMapping - add tests for it
52 lines
1.8 KiB
Python
52 lines
1.8 KiB
Python
from test.picardtestcase import PicardTestCase
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from picard import config
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from picard.util.settingsoverride import SettingsOverride
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class SettingsOverrideTest(PicardTestCase):
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def setUp(self):
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self.config = {'key1': 'origval1', 'key2': 'origval2'}
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config.setting = self.config.copy()
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self.new_settings = {'key1': 'newval2'}
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def test_read_orig_settings(self):
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override = SettingsOverride(config.setting, self.new_settings)
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self.assertEqual(override['key1'], 'newval2')
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self.assertEqual(override['key2'], 'origval2')
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with self.assertRaises(KeyError):
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x = override['key3']
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def test_read_orig_settings_kw(self):
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override = SettingsOverride(config.setting, key1='newval2')
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self.assertEqual(override['key1'], 'newval2')
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self.assertEqual(override['key2'], 'origval2')
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def test_write_orig_settings(self):
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override = SettingsOverride(config.setting, self.new_settings)
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override['key1'] = 'newval3'
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self.assertEqual(override['key1'], 'newval3')
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self.assertEqual(config.setting['key1'], 'origval1')
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override['key2'] = 'newval4'
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self.assertEqual(override['key2'], 'newval4')
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self.assertEqual(config.setting['key2'], 'origval2')
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override['key3'] = 'newval5'
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self.assertEqual(override['key3'], 'newval5')
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with self.assertRaises(KeyError):
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x = config.setting['key3']
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def test_del_orig_settings(self):
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override = SettingsOverride(config.setting, self.new_settings)
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override['key1'] = 'newval3'
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self.assertEqual(override['key1'], 'newval3')
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del override['key1']
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self.assertEqual(override['key1'], 'origval1')
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self.assertEqual(override['key2'], 'origval2')
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del override['key2']
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self.assertEqual(override['key2'], 'origval2')
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