xref: /external/chromium_org/third_party/WebKit/Tools/Scripts/print-test-ordering

#!/usr/bin/python

# Copyright (C) 2012 Google Inc. All rights reserved.
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import json
import optparse
import sys

from webkitpy.common.host import Host

def main(argv):
    parser = optparse.OptionParser(usage='%prog [stats.json]')
    parser.description = "Prints out lists of tests run on each worker as per the stats.json file."
    options, args = parser.parse_args(argv)

    if args and args[0]:
        stats_path = args[0]
    else:
        host = Host()
        stats_path = host.filesystem.join(host.port_factory.get().results_directory(), 'stats.json')

    with open(stats_path, 'r') as fp:
         stats_trie = json.load(fp)

    stats = convert_trie_to_flat_paths(stats_trie)
    stats_by_worker = {}
    for test_name, data in stats.items():
        worker = "worker/" + str(data["results"][0])
        if worker not in stats_by_worker:
            stats_by_worker[worker] = []
        test_number = data["results"][1]
        stats_by_worker[worker].append({
            "name": test_name,
            "number": test_number
        })

    for worker in sorted(stats_by_worker.keys()):
        print worker + ':'
        for test in sorted(stats_by_worker[worker], key=lambda test:test["number"]):
            print test["name"]
        print

def convert_trie_to_flat_paths(trie, prefix=None):
    # Cloned from webkitpy.layout_tests.layout_package.json_results_generator
    # so that this code can stand alone.
    result = {}
    for name, data in trie.iteritems():
        if prefix:
            name = prefix + "/" + name
        if "results" in data:
            result[name] = data
        else:
            result.update(convert_trie_to_flat_paths(data, name))

    return result


if __name__ ==  '__main__':
    sys.exit(main(sys.argv[1:]))