76 lines
3.1 KiB
Python
76 lines
3.1 KiB
Python
# fixtures: Fixtures with cleanups for testing and convenience.
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#
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# Copyright (c) 2010, 2011, Robert Collins <robertc@robertcollins.net>
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#
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# Licensed under either the Apache License, Version 2.0 or the BSD 3-clause
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# license at the users choice. A copy of both licenses are available in the
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# project source as Apache-2.0 and BSD. You may not use this file except in
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# compliance with one of these two licences.
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under these licenses is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# license you chose for the specific language governing permissions and
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# limitations under that license.
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import os
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import testtools
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from fixtures import EnvironmentVariable, TestWithFixtures
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class TestEnvironmentVariable(testtools.TestCase, TestWithFixtures):
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def test_setup_ignores_missing(self):
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fixture = EnvironmentVariable('FIXTURES_TEST_VAR')
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os.environ.pop('FIXTURES_TEST_VAR', '')
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self.useFixture(fixture)
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self.assertEqual(None, os.environ.get('FIXTURES_TEST_VAR'))
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def test_setup_sets_when_missing(self):
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fixture = EnvironmentVariable('FIXTURES_TEST_VAR', 'bar')
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os.environ.pop('FIXTURES_TEST_VAR', '')
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self.useFixture(fixture)
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self.assertEqual('bar', os.environ.get('FIXTURES_TEST_VAR'))
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def test_setup_deletes(self):
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fixture = EnvironmentVariable('FIXTURES_TEST_VAR')
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os.environ['FIXTURES_TEST_VAR'] = 'foo'
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self.useFixture(fixture)
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self.assertEqual(None, os.environ.get('FIXTURES_TEST_VAR'))
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def test_setup_overrides(self):
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fixture = EnvironmentVariable('FIXTURES_TEST_VAR', 'bar')
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os.environ['FIXTURES_TEST_VAR'] = 'foo'
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self.useFixture(fixture)
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self.assertEqual('bar', os.environ.get('FIXTURES_TEST_VAR'))
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def test_cleanup_deletes_when_missing(self):
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fixture = EnvironmentVariable('FIXTURES_TEST_VAR')
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os.environ.pop('FIXTURES_TEST_VAR', '')
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with fixture:
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os.environ['FIXTURES_TEST_VAR'] = 'foo'
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self.assertEqual(None, os.environ.get('FIXTURES_TEST_VAR'))
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def test_cleanup_deletes_when_set(self):
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fixture = EnvironmentVariable('FIXTURES_TEST_VAR', 'bar')
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os.environ.pop('FIXTURES_TEST_VAR', '')
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with fixture:
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os.environ['FIXTURES_TEST_VAR'] = 'foo'
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self.assertEqual(None, os.environ.get('FIXTURES_TEST_VAR'))
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def test_cleanup_restores_when_missing(self):
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fixture = EnvironmentVariable('FIXTURES_TEST_VAR')
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os.environ['FIXTURES_TEST_VAR'] = 'bar'
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with fixture:
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os.environ.pop('FIXTURES_TEST_VAR', '')
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self.assertEqual('bar', os.environ.get('FIXTURES_TEST_VAR'))
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def test_cleanup_restores_when_set(self):
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fixture = EnvironmentVariable('FIXTURES_TEST_VAR')
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os.environ['FIXTURES_TEST_VAR'] = 'bar'
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with fixture:
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os.environ['FIXTURES_TEST_VAR'] = 'quux'
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self.assertEqual('bar', os.environ.get('FIXTURES_TEST_VAR'))
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