6cfea30246
bin/element-info accesses it's library via a symlink: bin/diskimage_builder -> diskimage_builder This causes the relative path in elements.py to be incorrect. element-info silently fails in this situation, because it allows missing 'element-deps' files, so that these files may be optional. This change causes element-info to fail explicitly if $ELEMENTS_DIR is not set, as it now is when called by diskimage-create, and adds tests reflecting this behavior. Change-Id: Iec50f934feb13dfed64d69297a3af6ac9f842677
55 lines
2.0 KiB
Python
55 lines
2.0 KiB
Python
# Copyright 2012 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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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 os
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import sys
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import unittest
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class StubPackage:
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pass
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# load all tests from /elements/*/tests/ dirs.
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# conceptually load_tests should be in __init__, but see
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# http://bugs.python.org/issue16662 instead. So, its here in test_elements.py
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def load_tests(loader, tests, pattern):
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"""load tests for diskimage_builder elements."""
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if pattern is None:
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# http://bugs.python.org/issue11218
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pattern = "test*.py"
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this_dir = os.path.dirname(__file__)
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elements_dir = os.path.join(this_dir, "..", "elements")
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# Make a fake elements top level package, as discovery doesn't let us
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# override the python path.
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package = StubPackage()
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package.__path__ = [elements_dir]
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sys.modules['elements'] = package
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elements = os.listdir(elements_dir)
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for element in elements:
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element_dir = os.path.join(elements_dir, element)
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tests_path = os.path.join(element_dir, "tests")
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if (not os.path.isdir(tests_path) or
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not os.path.isfile(os.path.join(tests_path, '__init__.py'))):
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continue
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# Create a 'package' for the element, so it can be imported.
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package = StubPackage()
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package.__path__ = [element_dir]
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sys.modules['elements.%s' % element] = package
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# Try importing the test module
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package_tests = loader.discover(start_dir=tests_path, pattern=pattern)
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tests.addTests(package_tests)
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return tests
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