1 #!/usr/bin/python 2 # 3 # Copyright (c) 20123 The Chromium OS Authors. All rights reserved. 4 # Use of this source code is governed by a BSD-style license that can be 5 # found in the LICENSE file. 6 7 """Tool for preprocessing control files to build a suite to control files map. 8 9 Given an autotest root directory, this tool will bucket tests accroding to 10 their suite.Data will be written to stdout (or, optionally a file), eg: 11 12 {'suite1': ['path/to/test1/control', 'path/to/test2/control'], 13 'suite2': ['path/to/test4/control', 'path/to/test5/control']} 14 15 This is intended for use only with Chrome OS test suites that leverage the 16 dynamic suite infrastructure in server/cros/dynamic_suite.py. It is invoked 17 at build time to generate said suite to control files map, which dynamic_suite 18 consults at run time to determine which tests belong to a suite. 19 """ 20 21 22 import collections, json, os, sys 23 24 import common 25 from autotest_lib.server.cros.dynamic_suite import suite 26 from autotest_lib.site_utils import suite_preprocessor 27 28 29 # A set of SUITES that we choose not to preprocess as they might have tests 30 # added later. 31 SUITE_BLACKLIST = set(['au']) 32 33 34 def _get_control_files_to_process(autotest_dir): 35 """Find all control files in autotest_dir that have 'SUITE=' 36 37 @param autotest_dir: The directory to search for control files. 38 @return: All control files in autotest_dir that have a suite attribute. 39 """ 40 fs_getter = suite.Suite.create_fs_getter(autotest_dir) 41 predicate = lambda t: hasattr(t, 'suite') 42 return suite.Suite.find_and_parse_tests(fs_getter, predicate, 43 add_experimental=True) 44 45 46 def get_suite_control_files(autotest_dir): 47 """ 48 Partition all control files in autotest_dir based on suite. 49 50 @param autotest_dir: Directory to walk looking for control files. 51 @return suite_control_files: A dictionary mapping suite->[control files] 52 as described in this files docstring. 53 @raise ValueError: If autotest_dir doesn't exist. 54 """ 55 if not os.path.exists(autotest_dir): 56 raise ValueError('Could not find directory: %s, failed to map suites to' 57 ' their control files.' % autotest_dir) 58 59 autotest_dir = autotest_dir.rstrip('/') 60 suite_control_files = collections.defaultdict(list) 61 62 for test in _get_control_files_to_process(autotest_dir): 63 for suite_name in suite.Suite.parse_tag(test.suite): 64 if suite_name in SUITE_BLACKLIST: 65 continue 66 67 suite_control_files[suite_name].append( 68 test.path.replace('%s/' % autotest_dir, '')) 69 return suite_control_files 70 71 72 def main(): 73 """ 74 Main function. 75 """ 76 options = suite_preprocessor.parse_options() 77 78 suite_control_files = get_suite_control_files(options.autotest_dir) 79 if options.output_file: 80 with open(options.output_file, 'w') as file_obj: 81 json.dump(suite_control_files, file_obj) 82 else: 83 print suite_control_files 84 85 86 if __name__ == '__main__': 87 sys.exit(main()) 88