b67cfc6950
This replaces the deprecated (in python 3.2) unittest.TestCase method assertRaisesRegexp() with assertRaisesRegex(). Change-Id: I0ac482741ad4adc1127dd9e9f64c1c8101f370e5 Signed-off-by: Chuck Short <chucks@redhat.com>
232 lines
9.7 KiB
Python
232 lines
9.7 KiB
Python
# Copyright 2013 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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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 the License 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 for the specific language governing permissions and limitations
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# under the License.
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import logging
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import os
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import fixtures
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import testtools
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from diskimage_builder import element_dependencies
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logger = logging.getLogger(__name__)
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data_dir = os.path.abspath(
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os.path.join(os.path.dirname(__file__), 'test-elements'))
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def _populate_element(element_dir, element_name, element_deps=[], provides=[]):
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logger.debug("Populate %s <%s>", element_name, element_dir)
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element_home = os.path.join(element_dir, element_name)
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os.mkdir(element_home)
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deps_path = os.path.join(element_home, 'element-deps')
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with open(deps_path, 'w') as deps_file:
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deps_file.write("\n".join(element_deps))
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provides_path = os.path.join(element_home, 'element-provides')
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with open(provides_path, 'w') as provides_file:
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provides_file.write("\n".join(provides))
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class TestElementDeps(testtools.TestCase):
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def setUp(self):
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super(TestElementDeps, self).setUp()
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self.element_root_dir = self.useFixture(fixtures.TempDir()).path
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self.element_dir = os.path.join(self.element_root_dir, 'elements')
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self.element_override_dir = os.path.join(self.element_root_dir,
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'element-override')
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os.mkdir(self.element_dir)
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os.mkdir(self.element_override_dir)
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self.log_fixture = self.useFixture(
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fixtures.FakeLogger(level=logging.DEBUG))
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_populate_element(self.element_dir, 'requires-foo', ['foo'])
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_populate_element(self.element_dir,
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'foo',
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[],
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['operating-system'])
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_populate_element(self.element_dir,
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'requires-requires-foo',
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['requires-foo'])
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_populate_element(self.element_dir, 'self', ['self'])
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_populate_element(self.element_dir,
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'provides_virtual',
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[],
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['virtual'])
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_populate_element(self.element_dir,
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'also_provides_virtual',
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[],
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['virtual'])
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_populate_element(self.element_dir,
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'requires_virtual',
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['virtual'],
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['operating-system'])
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_populate_element(self.element_dir, 'virtual', ['extra_dependency'])
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_populate_element(self.element_dir, 'extra_dependency', [])
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_populate_element(self.element_dir,
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'circular1',
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['circular2'],
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['operating-system'])
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_populate_element(self.element_dir, 'circular2', ['circular1'])
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_populate_element(self.element_dir,
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'provides_new_virtual',
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[],
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['new_virtual', 'operating-system'])
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_populate_element(self.element_dir,
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'requires_new_virtual',
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['new_virtual'])
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# second element should override the first one here
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_populate_element(self.element_dir, 'override_element', [])
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_populate_element(self.element_override_dir, 'override_element', [])
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# This simulates $ELEMENTS_PATH
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self.element_dirs = "%s:%s" % (self.element_override_dir,
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self.element_dir)
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# helper to return an (element, path) tuple from the standard dir
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def _e(self, element):
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return (element, os.path.join(self.element_dir, element))
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# helper to return an (element, path) tuple from the override dir
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def _eo(self, element):
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return (element, os.path.join(self.element_override_dir, element))
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def test_non_transitive_deps(self):
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result = element_dependencies.get_elements(['requires-foo'],
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self.element_dirs)
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self.assertItemsEqual([self._e('foo'), self._e('requires-foo')],
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result)
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def test_missing_deps(self):
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e = self.assertRaises(element_dependencies.MissingElementException,
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element_dependencies.get_elements,
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['fake'],
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self.element_dirs)
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self.assertIn("Element 'fake' not found", str(e))
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def test_invalid_element_dir(self):
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e = self.assertRaises(element_dependencies.InvalidElementDir,
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element_dependencies.get_elements,
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['fake'],
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self.element_dirs + ":/not/a/dir")
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self.assertIn("ELEMENTS_PATH entry '/not/a/dir' is not a directory",
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str(e))
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def test_transitive_deps(self):
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result = element_dependencies.get_elements(
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['requires-requires-foo'], self.element_dirs)
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self.assertItemsEqual([self._e('requires-requires-foo'),
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self._e('requires-foo'),
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self._e('foo')], result)
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def test_no_deps(self):
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result = element_dependencies.get_elements(['foo'], self.element_dirs)
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self.assertEqual([self._e('foo')], result)
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def test_self(self):
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result = element_dependencies.get_elements(['self', 'foo'],
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self.element_dirs)
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self.assertItemsEqual([self._e('self'),
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self._e('foo')], result)
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def test_circular(self):
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result = element_dependencies.get_elements(['circular1'],
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self.element_dirs)
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self.assertItemsEqual([self._e('circular1'),
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self._e('circular2')], result)
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def test_provide(self):
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result = element_dependencies.get_elements(
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['provides_virtual', 'requires_virtual'],
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self.element_dirs)
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self.assertItemsEqual([self._e('requires_virtual'),
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self._e('provides_virtual')], result)
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def test_provide_conflict(self):
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self.assertRaises(element_dependencies.AlreadyProvidedException,
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element_dependencies.get_elements,
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['virtual', 'provides_virtual'],
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self.element_dirs)
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def test_provide_virtual_ordering(self):
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result = element_dependencies.get_elements(
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['requires_new_virtual', 'provides_new_virtual'],
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self.element_dirs)
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self.assertItemsEqual(
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[self._e('requires_new_virtual'),
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self._e('provides_new_virtual')], result)
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def test_elements_provide_same(self):
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msg = "virtual: already provided by \['provides_virtual'\]"
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self.assertRaisesRegex(element_dependencies.AlreadyProvidedException,
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msg,
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element_dependencies.get_elements,
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['provides_virtual', 'also_provides_virtual'],
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self.element_dirs)
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def test_no_os_element(self):
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self.assertRaises(element_dependencies.MissingOSException,
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element_dependencies.get_elements,
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['provides_virtual'],
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self.element_dirs)
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def test_duplicated_os_passed_as_element(self):
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self.assertRaises(
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element_dependencies.AlreadyProvidedException,
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element_dependencies.get_elements,
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['circular1', 'operating-system'],
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self.element_dirs)
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# ensure we get the error message about what's providing the
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# conflicting package
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self.assertIn("operating-system : already provided by ['circular1']",
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self.log_fixture.output)
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def test_element_override(self):
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# make sure we picked up "override_element" from the override dir,
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# not the base dir
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result = element_dependencies.get_elements(['override_element', 'foo'],
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self.element_dirs)
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self.assertItemsEqual([self._e('foo'),
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self._eo('override_element')],
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result)
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def test_expand_dependencies_deprecated(self):
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# test the deprecated expand_dependencies call
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result = element_dependencies.expand_dependencies(
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['foo', 'requires-foo'], self.element_dirs)
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self.assertItemsEqual(['foo', 'requires-foo'], result)
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def test_output_sanity(self):
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# very basic output sanity test
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elements = element_dependencies._get_elements(['foo', 'requires-foo'],
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self.element_dirs)
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element_dependencies._output_env_vars(elements)
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class TestElements(testtools.TestCase):
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def test_depends_on_env(self):
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self.useFixture(
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fixtures.EnvironmentVariable('ELEMENTS_PATH', '/foo/bar'))
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self.assertEqual('/foo/bar',
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element_dependencies._get_elements_dir())
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def test_env_not_set(self):
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self.useFixture(fixtures.EnvironmentVariable('ELEMENTS_PATH', ''))
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self.assertRaises(Exception,
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element_dependencies._get_elements_dir, ())
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