The Tor Browser: js/src/tests/jstests.py@6474c204b198 (annotated)

js/src/tests/jstests.py@6474c204b198 (annotated)

js/src/tests/jstests.py

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rwxr-xr-x

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 #!/usr/bin/env python
 """
 The JS Shell Test Harness.
 See the adjacent README.txt for more details.
 """
 import os, sys, textwrap
 from os.path import abspath, dirname, realpath
 from copy import copy
 from subprocess import list2cmdline, call
 from lib.results import NullTestOutput
 from lib.tests import TestCase, TBPL_FLAGS
 from lib.results import ResultsSink
 from lib.progressbar import ProgressBar
 if (sys.platform.startswith('linux') or
     sys.platform.startswith('darwin')
    ):
     from lib.tasks_unix import run_all_tests
 else:
     from lib.tasks_win import run_all_tests
 def run_tests(options, tests, results):
     """Run the given tests, sending raw results to the given results accumulator."""
     try:
         completed = run_all_tests(tests, results, options)
     except KeyboardInterrupt:
         completed = False
     results.finish(completed)
 def get_cpu_count():
     """
     Guess at a reasonable parallelism count to set as the default for the
     current machine and run.
     """
     # Python 2.6+
     try:
         import multiprocessing
         return multiprocessing.cpu_count()
     except (ImportError,NotImplementedError):
         pass
     # POSIX
     try:
         res = int(os.sysconf('SC_NPROCESSORS_ONLN'))
         if res > 0:
             return res
     except (AttributeError,ValueError):
         pass
     # Windows
     try:
         res = int(os.environ['NUMBER_OF_PROCESSORS'])
         if res > 0:
             return res
     except (KeyError, ValueError):
         pass
     return 1
 def parse_args():
     """
     Parse command line arguments.
     Returns a tuple of: (options, js_shell, requested_paths, excluded_paths)
         options :object: The raw OptionParser output.
         js_shell :str: The absolute location of the shell to test with.
         requested_paths :set<str>: Test paths specially requested on the CLI.
         excluded_paths :set<str>: Test paths specifically excluded by the CLI.
     """
     from optparse import OptionParser, OptionGroup
     op = OptionParser(usage=textwrap.dedent("""
         %prog [OPTIONS] JS_SHELL [TESTS]
         Shell output format: [ pass | fail | timeout | skip ] progress | time
         """).strip())
     op.add_option('--xul-info', dest='xul_info_src',
                   help='config data for xulRuntime (avoids search for config/autoconf.mk)')
     harness_og = OptionGroup(op, "Harness Controls", "Control how tests are run.")
     harness_og.add_option('-j', '--worker-count', type=int, default=max(1, get_cpu_count()),
                           help='Number of tests to run in parallel (default %default)')
     harness_og.add_option('-t', '--timeout', type=float, default=150.0,
                           help='Set maximum time a test is allows to run (in seconds).')
     harness_og.add_option('-a', '--args', dest='shell_args', default='',
                           help='Extra args to pass to the JS shell.')
     harness_og.add_option('--jitflags', default='', help="Obsolete. Does nothing.")
     harness_og.add_option('--tbpl', action='store_true',
                           help='Runs each test in all configurations tbpl tests.')
     harness_og.add_option('-g', '--debug', action='store_true', help='Run a test in debugger.')
     harness_og.add_option('--debugger', default='gdb -q --args', help='Debugger command.')
     harness_og.add_option('-J', '--jorendb', action='store_true', help='Run under JS debugger.')
     harness_og.add_option('--passthrough', action='store_true', help='Run tests with stdin/stdout attached to caller.')
     harness_og.add_option('--valgrind', action='store_true', help='Run tests in valgrind.')
     harness_og.add_option('--valgrind-args', default='', help='Extra args to pass to valgrind.')
     op.add_option_group(harness_og)
     input_og = OptionGroup(op, "Inputs", "Change what tests are run.")
     input_og.add_option('-f', '--file', dest='test_file', action='append',
                         help='Get tests from the given file.')
     input_og.add_option('-x', '--exclude-file', action='append',
                         help='Exclude tests from the given file.')
     input_og.add_option('-d', '--exclude-random', dest='random', action='store_false',
                         help='Exclude tests marked as "random."')
     input_og.add_option('--run-skipped', action='store_true', help='Run tests marked as "skip."')
     input_og.add_option('--run-only-skipped', action='store_true', help='Run only tests marked as "skip."')
     input_og.add_option('--run-slow-tests', action='store_true',
                         help='Do not skip tests marked as "slow."')
     input_og.add_option('--no-extensions', action='store_true',
                         help='Run only tests conforming to the ECMAScript 5 standard.')
     op.add_option_group(input_og)
     output_og = OptionGroup(op, "Output", "Modify the harness and tests output.")
     output_og.add_option('-s', '--show-cmd', action='store_true',
                          help='Show exact commandline used to run each test.')
     output_og.add_option('-o', '--show-output', action='store_true',
                          help="Print each test's output to the file given by --output-file.")
     output_og.add_option('-F', '--failed-only', action='store_true',
                          help="If a --show-* option is given, only print output for failed tests.")
     output_og.add_option('-O', '--output-file',
                          help='Write all output to the given file (default: stdout).')
     output_og.add_option('--failure-file',
                          help='Write all not-passed tests to the given file.')
     output_og.add_option('--no-progress', dest='hide_progress', action='store_true',
                          help='Do not show the progress bar.')
     output_og.add_option('--tinderbox', action='store_true',
                          help='Use tinderbox-parseable output format.')
     op.add_option_group(output_og)
     special_og = OptionGroup(op, "Special", "Special modes that do not run tests.")
     special_og.add_option('--make-manifests', metavar='BASE_TEST_PATH',
                           help='Generate reftest manifest files.')
     op.add_option_group(special_og)
     options, args = op.parse_args()
     # Acquire the JS shell given on the command line.
     options.js_shell = None
     requested_paths = set()
     if len(args) > 0:
         options.js_shell = abspath(args[0])
         requested_paths |= set(args[1:])
     # If we do not have a shell, we must be in a special mode.
     if options.js_shell is None and not options.make_manifests:
         op.error('missing JS_SHELL argument')
     # Valgrind and gdb are mutually exclusive.
     if options.valgrind and options.debug:
         op.error("--valgrind and --debug are mutually exclusive.")
     # Fill the debugger field, as needed.
     prefix = options.debugger.split() if options.debug else []
     if options.valgrind:
         prefix = ['valgrind'] + options.valgrind_args.split()
         if os.uname()[0] == 'Darwin':
             prefix.append('--dsymutil=yes')
         options.show_output = True
     js_cmd_args = options.shell_args.split()
     if options.jorendb:
         options.passthrough = True
         options.hide_progress = True
         options.worker_count = 1
         debugger_path = realpath(os.path.join(abspath(dirname(abspath(__file__))), '..', '..', 'examples', 'jorendb.js'))
         js_cmd_args.extend([ '-d', '-f', debugger_path, '--' ])
     TestCase.set_js_cmd_prefix(options.js_shell, js_cmd_args, prefix)
     # If files with lists of tests to run were specified, add them to the
     # requested tests set.
     if options.test_file:
         for test_file in options.test_file:
             requested_paths |= set([line.strip() for line in open(test_file).readlines()])
     # If files with lists of tests to exclude were specified, add them to the
     # excluded tests set.
     excluded_paths = set()
     if options.exclude_file:
         for filename in options.exclude_file:
             try:
                 fp = open(filename, 'r')
                 for line in fp:
                     if line.startswith('#'): continue
                     line = line.strip()
                     if not line: continue
                     excluded_paths |= set((line,))
             finally:
                 fp.close()
     # Handle output redirection, if requested and relevant.
     options.output_fp = sys.stdout
     if options.output_file:
         if not options.show_cmd:
             options.show_output = True
         try:
             options.output_fp = open(options.output_file, 'w')
         except IOError, ex:
             raise SystemExit("Failed to open output file: " + str(ex))
     options.show = options.show_cmd or options.show_output
     # Hide the progress bar if it will get in the way of other output.
     options.hide_progress = (options.tinderbox or
                              not ProgressBar.conservative_isatty() or
                              options.hide_progress)
     return (options, requested_paths, excluded_paths)
 def load_tests(options, requested_paths, excluded_paths):
     """
     Returns a tuple: (skipped_tests, test_list)
         skip_list: [iterable<Test>] Tests found but skipped.
         test_list: [iterable<Test>] Tests found that should be run.
     """
     import lib.manifest as manifest
     if options.js_shell is None:
         xul_tester = manifest.NullXULInfoTester()
     else:
         if options.xul_info_src is None:
             xul_info = manifest.XULInfo.create(options.js_shell)
         else:
             xul_abi, xul_os, xul_debug = options.xul_info_src.split(r':')
             xul_debug = xul_debug.lower() is 'true'
             xul_info = manifest.XULInfo(xul_abi, xul_os, xul_debug)
         xul_tester = manifest.XULInfoTester(xul_info, options.js_shell)
     test_dir = dirname(abspath(__file__))
     test_list = manifest.load(test_dir, xul_tester)
     skip_list = []
     if options.make_manifests:
         manifest.make_manifests(options.make_manifests, test_list)
         sys.exit()
     # Create a new test list. Apply each TBPL configuration to every test.
     if options.tbpl:
         new_test_list = []
         flags_list = TBPL_FLAGS
         for test in test_list:
             for jitflags in flags_list:
                 tmp_test = copy(test)
                 tmp_test.options = copy(test.options)
                 tmp_test.options.extend(jitflags)
                 new_test_list.append(tmp_test)
         test_list = new_test_list
     if options.jitflags:
         print("Warning: the --jitflags option is obsolete and does nothing now.")
     if options.test_file:
         paths = set()
         for test_file in options.test_file:
             paths |= set([ line.strip() for line in open(test_file).readlines()])
         test_list = [ _ for _ in test_list if _.path in paths ]
     if requested_paths:
         def p(path):
             for arg in requested_paths:
                 if path.find(arg) != -1:
                     return True
             return False
         test_list = [ _ for _ in test_list if p(_.path) ]
     if options.exclude_file:
         test_list = [_ for _ in test_list if _.path not in excluded_paths]
     if options.no_extensions:
         pattern = os.sep + 'extensions' + os.sep
         test_list = [_ for _ in test_list if pattern not in _.path]
     if not options.random:
         test_list = [ _ for _ in test_list if not _.random ]
     if options.run_only_skipped:
         options.run_skipped = True
         test_list = [ _ for _ in test_list if not _.enable ]
     if not options.run_slow_tests:
         test_list = [ _ for _ in test_list if not _.slow ]
     if not options.run_skipped:
         skip_list = [ _ for _ in test_list if not _.enable ]
         test_list = [ _ for _ in test_list if _.enable ]
     return skip_list, test_list
 def main():
     options, requested_paths, excluded_paths = parse_args()
     skip_list, test_list = load_tests(options, requested_paths, excluded_paths)
     if not test_list:
         print 'no tests selected'
         return 1
     test_dir = dirname(abspath(__file__))
     if options.debug:
         if len(test_list) > 1:
             print('Multiple tests match command line arguments, debugger can only run one')
             for tc in test_list:
                 print('    %s'%tc.path)
             return 2
         cmd = test_list[0].get_command(TestCase.js_cmd_prefix)
         if options.show_cmd:
             print list2cmdline(cmd)
         if test_dir not in ('', '.'):
             os.chdir(test_dir)
         call(cmd)
         return 0
     curdir = os.getcwd()
     if test_dir not in ('', '.'):
         os.chdir(test_dir)
     results = None
     try:
         results = ResultsSink(options, len(skip_list) + len(test_list))
         for t in skip_list:
             results.push(NullTestOutput(t))
         run_tests(options, test_list, results)
     finally:
         os.chdir(curdir)
     if results is None or not results.all_passed():
         return 1
     return 0
 if __name__ == '__main__':
     sys.exit(main())

The Tor Browser / annotate

js/src/tests/jstests.py@6474c204b198 (annotated)

js/src/tests/jstests.py