#!/usr/bin/python
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#
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# Copyright (c) 20123 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Tool for preprocessing control files to build a suite to control files map.
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Given an autotest root directory, this tool will bucket tests accroding to
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their suite.Data will be written to stdout (or, optionally a file), eg:
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{'suite1': ['path/to/test1/control', 'path/to/test2/control'],
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'suite2': ['path/to/test4/control', 'path/to/test5/control']}
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This is intended for use only with Chrome OS test suites that leverage the
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dynamic suite infrastructure in server/cros/dynamic_suite.py. It is invoked
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at build time to generate said suite to control files map, which dynamic_suite
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consults at run time to determine which tests belong to a suite.
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"""
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import collections, json, os, sys
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import common
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from autotest_lib.server.cros.dynamic_suite import suite
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from autotest_lib.site_utils import suite_preprocessor
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# A set of SUITES that we choose not to preprocess as they might have tests
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# added later.
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SUITE_BLACKLIST = set(['au'])
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def _get_control_files_to_process(autotest_dir):
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"""Find all control files in autotest_dir that have 'SUITE='
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@param autotest_dir: The directory to search for control files.
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@return: All control files in autotest_dir that have a suite attribute.
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"""
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fs_getter = suite.Suite.create_fs_getter(autotest_dir)
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predicate = lambda t: hasattr(t, 'suite')
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return suite.Suite.find_and_parse_tests(fs_getter, predicate,
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add_experimental=True)
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def get_suite_control_files(autotest_dir, external_autotest_dirs=None):
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"""
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Partition all control files in autotest_dir based on suite.
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@param autotest_dir: Directory to walk looking for control files.
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@param external_autotest_dirs: A list of directories under which to search
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for extra Autotest tests. Defaults to None.
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@return suite_control_files: A dictionary mapping suite->[control files]
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as described in this files docstring.
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@raise ValueError: If autotest_dir doesn't exist.
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"""
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if not os.path.exists(autotest_dir):
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raise ValueError('Could not find directory: %s, failed to map suites to'
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' their control files.' % autotest_dir)
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suite_control_files = collections.defaultdict(list)
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for d in [autotest_dir] + (external_autotest_dirs or []):
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d = d.rstrip('/')
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for test in _get_control_files_to_process(d):
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for suite_name in test.suite_tag_parts:
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if suite_name in SUITE_BLACKLIST:
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continue
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suite_control_files[suite_name].append(
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test.path.replace('%s/' % d, ''))
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return suite_control_files
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def main():
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"""
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Main function.
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"""
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options = suite_preprocessor.parse_options()
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if options.extra_autotest_dirs:
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extra_autotest_dirs = options.extra_autotest_dirs.split(',')
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else:
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extra_autotest_dirs = None
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suite_control_files = get_suite_control_files(options.autotest_dir,
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extra_autotest_dirs)
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if options.output_file:
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with open(options.output_file, 'w') as file_obj:
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json.dump(suite_control_files, file_obj)
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else:
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print suite_control_files
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if __name__ == '__main__':
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sys.exit(main())
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