Beispiel #1
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 def test_latest_try_jobs(self):
     git_cl = GitCL(MockHost())
     git_cl.fetch_raw_try_job_results = lambda **_: [
         {
             'builder_name': 'builder-b',
             'status': 'COMPLETED',
             'result': 'SUCCESS',
             'url': 'http://build.chromium.org/p/master/builders/builder-b/builds/100',
         },
         {
             'builder_name': 'builder-b',
             'status': 'COMPLETED',
             'result': 'SUCCESS',
             'url': 'http://build.chromium.org/p/master/builders/builder-b/builds/90',
         },
         {
             'builder_name': 'builder-a',
             'status': 'SCHEDULED',
             'result': None,
             'url': None,
         },
         {
             'builder_name': 'builder-c',
             'status': 'COMPLETED',
             'result': 'SUCCESS',
             'url': 'http://ci.chromium.org/master/builder-c/123',
         },
     ]
     self.assertEqual(
         git_cl.latest_try_jobs(['builder-a', 'builder-b']),
         {
             Build('builder-a'): TryJobStatus('SCHEDULED'),
             Build('builder-b', 100): TryJobStatus('COMPLETED', 'SUCCESS'),
         })
Beispiel #2
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 def test_latest_try_jobs_cq_only(self):
     git_cl = GitCL(MockHost())
     git_cl.fetch_raw_try_job_results = lambda **_: [
         {
             'builder_name': 'cq-a',
             'experimental': False,
             'result': None,
             'status': 'SCHEDULED',
             'tags': ['user_agent:cq'],
             'url': None,
         },
         {
             'builder_name': 'cq-a-experimental',
             'experimental': True,
             'result': None,
             'status': 'SCHEDULED',
             'tags': ['user_agent:cq'],
             'url': None,
         },
         {
             'builder_name': 'other',
             'experimental': False,
             'status': 'SCHEDULED',
             'result': None,
             'tags': ['user_agent:git_cl_try'],
             'url': None,
         },
     ]
     self.assertEqual(
         git_cl.latest_try_jobs(cq_only=True),
         {
             Build('cq-a'): TryJobStatus('SCHEDULED'),
         })
Beispiel #3
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 def test_run(self):
     host = MockHost()
     host.executive = MockExecutive2(output='mock-output')
     git_cl = GitCL(host)
     output = git_cl.run(['command'])
     self.assertEqual(output, 'mock-output')
     self.assertEqual(host.executive.calls, [['git', 'cl', 'command']])
 def __init__(self, host):
     self.host = host
     self.port = self.host.port_factory.get()
     self.git_cl = GitCL(host)
     self.finder = PathFinder(self.host.filesystem)
     self.ports_with_no_results = set()
     self.ports_with_all_pass = set()
Beispiel #5
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 def test_latest_try_builds(self):
     git_cl = GitCL(MockHost())
     git_cl.fetch_try_results = lambda: [
         {
             'builder_name': 'builder-b',
             'status': 'COMPLETED',
             'result': 'SUCCESS',
             'url': 'http://build.chromium.org/p/master/builders/some-builder/builds/100',
         },
         {
             'builder_name': 'builder-b',
             'status': 'COMPLETED',
             'result': 'SUCCESS',
             'url': 'http://build.chromium.org/p/master/builders/some-builder/builds/90',
         },
         {
             'builder_name': 'builder-a',
             'status': 'SCHEDULED',
             'result': None,
             'url': None,
         },
         {
             'builder_name': 'builder-c',
             'status': 'COMPLETED',
             'result': 'SUCCESS',
             'url': 'http://build.chromium.org/p/master/builders/some-builder/builds/123',
         },
     ]
     self.assertEqual(
         git_cl.latest_try_jobs(['builder-a', 'builder-b']),
         [Build('builder-a'), Build('builder-b', 100)])
Beispiel #6
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    def main(self, argv=None):
        options = self.parse_args(argv)
        self.verbose = options.verbose
        log_level = logging.DEBUG if self.verbose else logging.INFO
        logging.basicConfig(level=log_level, format='%(message)s')

        if not self.checkout_is_okay(options.allow_local_commits):
            return 1

        self.git_cl = GitCL(self.host, auth_refresh_token_json=options.auth_refresh_token_json)

        _log.debug('Noting the current Chromium commit.')
        _, show_ref_output = self.run(['git', 'show-ref', 'HEAD'])
        chromium_commit = show_ref_output.split()[0]

        assert options.target in ('wpt', 'css')
        dest_dir_name = WPT_DEST_NAME
        repo_url = WPT_REPO_URL
        if options.target != 'wpt':
            dest_dir_name = CSS_DEST_NAME
            repo_url = CSS_REPO_URL

        # TODO(qyearsley): Simplify this to use LocalWPT.fetch when csswg-test
        # is merged into web-platform-tests.
        temp_repo_path = self.path_from_webkit_base(dest_dir_name)
        _log.info('Cloning repo: %s', repo_url)
        _log.info('Local path: %s', temp_repo_path)
        self.run(['git', 'clone', repo_url, temp_repo_path])

        if options.target == 'wpt' and not options.ignore_exportable_commits:
            commits = self.exportable_but_not_exported_commits(temp_repo_path)
            if commits:
                _log.error('There were exportable but not-yet-exported commits:')
                for commit in commits:
                    _log.error('  https://chromium.googlesource.com/chromium/src/+/%s', commit.sha)
                _log.error('Aborting import to prevent clobbering these commits.')
                self.clean_up_temp_repo(temp_repo_path)
                return 1

        import_commit = self.update(dest_dir_name, temp_repo_path, options.revision)

        self.clean_up_temp_repo(temp_repo_path)

        if options.target == 'wpt':
            self._copy_resources()

        has_changes = self._has_changes()
        if not has_changes:
            _log.info('Done: no changes to import.')
            return 0

        commit_message = self._commit_message(chromium_commit, import_commit)
        self._commit_changes(commit_message)
        _log.info('Done: changes imported and committed.')

        if options.auto_update:
            commit_successful = self.do_auto_update()
            if not commit_successful:
                return 1
        return 0
Beispiel #7
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 def test_execute_with_unfinished_jobs(self):
     builds = {
         Build('MOCK Try Win', 5000): TryJobStatus('COMPLETED', 'FAILURE'),
         Build('MOCK Try Mac', 4000): TryJobStatus('STARTED'),
         Build('MOCK Try Linux', 6000): TryJobStatus('SCHEDULED'),
     }
     git_cl = GitCL(self.tool)
     git_cl.get_issue_number = lambda: '11112222'
     git_cl.latest_try_jobs = lambda _: builds
     self.command.git_cl = lambda: git_cl
     exit_code = self.command.execute(self.command_options(), [], self.tool)
     self.assertEqual(exit_code, 1)
     self.assertLog([
         'INFO: Finished try jobs:\n',
         'INFO:   MOCK Try Win\n',
         'INFO: Scheduled or started try jobs:\n',
         'INFO:   MOCK Try Linux\n',
         'INFO:   MOCK Try Mac\n',
         'INFO: There are some builders with no results:\n',
         'INFO:   MOCK Try Linux\n',
         'INFO:   MOCK Try Mac\n',
         'INFO: Would you like to try to fill in missing results with\n'
         'available results? This assumes that layout test results\n'
         'for the platforms with missing results are the same as\n'
         'results on other platforms.\n',
         'INFO: Aborting.\n',
     ])
Beispiel #8
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    def main(self, argv=None):
        options = self.parse_args(argv)
        self.verbose = options.verbose

        if not self.checkout_is_okay(options.allow_local_commits):
            return 1

        self.git_cl = GitCL(
            self.host, auth_refresh_token_json=options.auth_refresh_token_json)

        self.print_('## Noting the current Chromium commit.')
        _, show_ref_output = self.run(['git', 'show-ref', 'HEAD'])
        chromium_commitish = show_ref_output.split()[0]

        if options.target == 'wpt':
            import_commitish = self.update(WPT_DEST_NAME, WPT_REPO_URL,
                                           options.keep_w3c_repos_around,
                                           options.revision)
            self._copy_resources()
        elif options.target == 'css':
            import_commitish = self.update(CSS_DEST_NAME, CSS_REPO_URL,
                                           options.keep_w3c_repos_around,
                                           options.revision)
        else:
            raise AssertionError("Unsupported target %s" % options.target)

        has_changes = self.commit_changes_if_needed(chromium_commitish,
                                                    import_commitish)
        if options.auto_update and has_changes:
            commit_successful = self.do_auto_update()
            if not commit_successful:
                return 1
        return 0
 def test_execute_with_no_issue_number(self):
     git_cl = GitCL(self.tool)
     git_cl.get_issue_number = lambda: 'None'
     self.command.git_cl = lambda: git_cl
     return_code = self.command.execute(self.command_options(), [], self.tool)
     self.assertEqual(return_code, 1)
     self.assertLog(['ERROR: No issue number for current branch.\n'])
Beispiel #10
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 def test_wait_for_try_jobs_done(self):
     host = MockHost()
     host.executive = MockExecutive(output='lgtm')
     git_cl = GitCL(host)
     git_cl.fetch_raw_try_job_results = lambda: [
         {
             'builder_name':
             'some-builder',
             'status':
             'COMPLETED',
             'result':
             'FAILURE',
             'url':
             'http://build.chromium.org/p/master/builders/some-builder/builds/100',
         },
     ]
     self.assertEqual(
         git_cl.wait_for_try_jobs(),
         CLStatus(status='lgtm',
                  try_job_results={
                      Build('some-builder', 100):
                      TryJobStatus('COMPLETED', 'FAILURE'),
                  }))
     self.assertEqual(host.stdout.getvalue(),
                      'Waiting for try jobs, timeout: 7200 seconds.\n')
Beispiel #11
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 def test_latest_try_builds_ignores_swarming(self):
     git_cl = GitCL(MockHost())
     git_cl.fetch_raw_try_job_results = lambda: [{
         'builder_name':
         'builder-b',
         'status':
         'COMPLETED',
         'result':
         'SUCCESS',
         'url':
         'http://build.chromium.org/p/master/builders/builder-b/builds/100',
     }, {
         'builder_name':
         'builder-b',
         'status':
         'COMPLETED',
         'result':
         'SUCCESS',
         'url':
         'https://ci.chromium.org/swarming/task/1234abcd1234abcd?server=chromium-swarm.appspot.com',
     }]
     self.assertEqual(
         git_cl.latest_try_jobs(['builder-b']), {
             Build('builder-b', 100): TryJobStatus('COMPLETED', 'SUCCESS'),
         })
    def test_execute_with_trigger_jobs_option(self):
        builds = [
            Build('MOCK Try Win', 5000),
            Build('MOCK Try Mac', 4000),
        ]
        git_cl = GitCL(self.tool)
        git_cl.get_issue_number = lambda: '11112222'
        git_cl.latest_try_jobs = lambda _: builds
        self.command.git_cl = lambda: git_cl

        return_code = self.command.execute(
            self.command_options(trigger_jobs=True), [], self.tool)

        self.assertEqual(return_code, 1)
        self.assertLog([
            'INFO: Triggering try jobs for:\n',
            'INFO:   MOCK Try Linux\n',
            'INFO: Please re-run webkit-patch rebaseline-cl once all pending try jobs have finished.\n',
        ])
        self.assertEqual(self.tool.executive.calls, [[
            'python',
            '/mock-checkout/third_party/WebKit/Tools/Scripts/webkitpy/thirdparty/wpt/wpt/manifest',
            '--work', '--tests-root',
            '/mock-checkout/third_party/WebKit/LayoutTests/external/wpt'
        ], [
            'git', 'cl', 'try', '-m', 'tryserver.blink', '-b', 'MOCK Try Linux'
        ]])
 def test_run(self):
     host = MockHost()
     host.executive = MockExecutive(output='mock-output')
     git_cl = GitCL(host)
     output = git_cl.run(['command'])
     self.assertEqual(output, 'mock-output')
     self.assertEqual(host.executive.calls, [['git', 'cl', 'command']])
Beispiel #14
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 def test_trigger_try_jobs_with_list(self):
     # When no bucket is specified, master.tryserver.blink is used by
     # default. Besides, `git cl try` invocations are grouped by buckets.
     host = MockHost()
     git_cl = GitCL(host, auth_refresh_token_json='token.json')
     git_cl.trigger_try_jobs([
         'android_blink_rel', 'fake_blink_try_linux', 'fake_blink_try_win',
         'fake_mac_cq'
     ])
     self.assertEqual(host.executive.calls, [
         [
             'git', 'cl', 'try', '-B', 'master.tryserver.blink', '-b',
             'fake_blink_try_linux', '-b', 'fake_blink_try_win',
             '--auth-refresh-token-json', 'token.json'
         ],
         [
             'git', 'cl', 'try', '-B', 'master.tryserver.chromium.android',
             '-b', 'android_blink_rel', '--auth-refresh-token-json',
             'token.json'
         ],
         [
             'git', 'cl', 'try', '-B', 'master.tryserver.chromium.mac',
             '-b', 'fake_mac_cq', '--auth-refresh-token-json', 'token.json'
         ],
     ])
Beispiel #15
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 def test_try_job_results_with_task_id_in_url(self):
     git_cl = GitCL(MockHost())
     git_cl.fetch_raw_try_job_results = lambda **_: [
         {
             'builder_name':
             'builder-a',
             'status':
             'COMPLETED',
             'result':
             'FAILURE',
             'failure_reason':
             'BUILD_FAILURE',
             'url': ('https://ci.chromium.org/swarming/task/'
                     '36a767f405d9ee10'),
         },
         {
             'builder_name':
             'builder-b',
             'status':
             'COMPLETED',
             'result':
             'SUCCESS',
             'url': ('https://ci.chromium.org/swarming/task/'
                     '38740befcd9c0010?server=chromium-swarm.appspot.com'),
         },
     ]
     self.assertEqual(
         git_cl.try_job_results(), {
             Build('builder-a', '36a767f405d9ee10'):
             TryJobStatus('COMPLETED', 'FAILURE'),
             Build('builder-b', '38740befcd9c0010'):
             TryJobStatus('COMPLETED', 'SUCCESS'),
         })
 def test_latest_try_builds_failures(self):
     git_cl = GitCL(MockHost())
     git_cl.fetch_raw_try_job_results = lambda: [
         {
             'builder_name':
             'builder-a',
             'status':
             'COMPLETED',
             'result':
             'FAILURE',
             'failure_reason':
             'BUILD_FAILURE',
             'url':
             'http://build.chromium.org/p/master/builders/builder-a/builds/100',
         },
         {
             'builder_name':
             'builder-b',
             'status':
             'COMPLETED',
             'result':
             'FAILURE',
             'failure_reason':
             'INFRA_FAILURE',
             'url':
             'http://build.chromium.org/p/master/builders/builder-b/builds/200',
         },
     ]
     self.assertEqual(
         git_cl.latest_try_jobs(['builder-a', 'builder-b']), {
             Build('builder-a', 100): TryJobStatus('COMPLETED', 'FAILURE'),
             Build('builder-b', 200): TryJobStatus('COMPLETED', 'FAILURE'),
         })
Beispiel #17
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 def test_run_with_auth(self):
     host = MockHost()
     host.executive = MockExecutive2(output='mock-output')
     git_cl = GitCL(host, auth_refresh_token_json='token.json')
     git_cl.run(['upload'])
     self.assertEqual(
         host.executive.calls,
         [['git', 'cl', 'upload', '--auth-refresh-token-json', 'token.json']])
Beispiel #18
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 def test_execute_with_no_issue_number_aborts(self):
     # If the user hasn't uploaded a CL, an error message is printed.
     git_cl = GitCL(self.tool)
     git_cl.get_issue_number = lambda: 'None'
     self.command.git_cl = lambda: git_cl
     exit_code = self.command.execute(self.command_options(), [], self.tool)
     self.assertEqual(exit_code, 1)
     self.assertLog(['ERROR: No issue number for current branch.\n'])
Beispiel #19
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 def test_run_with_auth(self):
     host = MockHost()
     host.executive = MockExecutive(output='mock-output')
     git_cl = GitCL(host, auth_refresh_token_json='token.json')
     git_cl.run(['try', '-b', 'win10_blink_rel'])
     self.assertEqual(
         host.executive.calls,
         [['git', 'cl', 'try', '-b', 'win10_blink_rel', '--auth-refresh-token-json', 'token.json']])
Beispiel #20
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 def test_wait_for_closed_status_closed(self):
     host = MockHost()
     host.executive = MockExecutive(output='closed')
     git_cl = GitCL(host)
     self.assertEqual(git_cl.wait_for_closed_status(), 'closed')
     self.assertEqual(
         host.stdout.getvalue(),
         'Waiting for closed status, timeout: 1800 seconds.\n'
         'CL is closed.\n')
 def test_execute_with_issue_number_from_branch(self):
     git_cl = GitCL(self.tool)
     git_cl.get_issue_number = lambda: '11112222'
     self.command.git_cl = lambda: git_cl
     self.command.execute(self.command_options(), [], self.tool)
     self.assertLog([
         'INFO: Rebaselining fast/dom/prototype-inheritance.html\n',
         'INFO: Rebaselining fast/dom/prototype-newtest.html\n',
         'INFO: Rebaselining fast/dom/prototype-taco.html\n',
         'INFO: Rebaselining svg/dynamic-updates/SVGFEDropShadowElement-dom-stdDeviation-attr.html\n',
     ])
Beispiel #22
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 def test_execute_with_issue_number_from_branch(self):
     git_cl = GitCL(self.tool)
     git_cl.get_issue_number = lambda: '11112222'
     self.command.git_cl = lambda: git_cl
     self.command.execute(self.command_options(), [], self.tool)
     self.assertLog([
         'INFO: Rebaselining fast/dom/prototype-inheritance.html\n',
         'INFO: Rebaselining fast/dom/prototype-newtest.html\n',
         'INFO: Rebaselining fast/dom/prototype-taco.html\n',
         'INFO: Rebaselining svg/dynamic-updates/SVGFEDropShadowElement-dom-stdDeviation-attr.html\n',
     ])
Beispiel #23
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 def test_latest_try_jobs_started_build_luci_url(self):
     git_cl = GitCL(MockHost())
     git_cl.fetch_raw_try_job_results = lambda **_: [
         {
             'builder_name': 'builder-a',
             'status': 'STARTED',
             'result': None,
             'url': 'http://ci.chromium.org/p/master/some-builder/100',
         },
     ]
     self.assertEqual(git_cl.latest_try_jobs(['builder-a']),
                      {Build('builder-a', 100): TryJobStatus('STARTED')})
Beispiel #24
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 def test_trigger_try_jobs_with_frozenset(self):
     # The trigger_try_jobs method may be called with an immutable set.
     # It has special logic which assumes most builders to trigger are
     # on the master tryserver.blink.
     host = MockHost()
     git_cl = GitCL(host, auth_refresh_token_json='token.json')
     git_cl.trigger_try_jobs(frozenset(['builder-a', 'builder-b']))
     self.assertEqual(host.executive.calls, [
         [
             'git', 'cl', 'try', '-m', 'tryserver.blink', '-b', 'builder-a',
             '-b', 'builder-b', '--auth-refresh-token-json', 'token.json'
         ],
     ])
Beispiel #25
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 def test_trigger_try_jobs_with_explicit_bucket(self):
     # An explicit bucket overrides configured or default buckets.
     host = MockHost()
     git_cl = GitCL(host, auth_refresh_token_json='token.json')
     git_cl.trigger_try_jobs(['fake_blink_try_linux', 'fake_mac_cq'],
                             bucket='luci.dummy')
     self.assertEqual(host.executive.calls, [
         [
             'git', 'cl', 'try', '-B', 'luci.dummy', '-b',
             'fake_blink_try_linux', '-b', 'fake_mac_cq',
             '--auth-refresh-token-json', 'token.json'
         ],
     ])
Beispiel #26
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 def test_trigger_try_jobs_with_frozenset(self):
     # The trigger_try_jobs method may be called with an immutable set.
     host = MockHost()
     git_cl = GitCL(host, auth_refresh_token_json='token.json')
     git_cl.trigger_try_jobs(
         frozenset(['fake_blink_try_linux', 'fake_blink_try_win']))
     self.assertEqual(host.executive.calls, [
         [
             'git', 'cl', 'try', '-B', 'master.tryserver.blink', '-b',
             'fake_blink_try_linux', '-b', 'fake_blink_try_win',
             '--auth-refresh-token-json', 'token.json'
         ],
     ])
Beispiel #27
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 def test_execute_no_try_jobs_started_and_no_trigger_jobs(self):
     # If there are no try jobs started yet and --no-trigger-jobs is passed,
     # then we just abort immediately.
     git_cl = GitCL(self.tool)
     git_cl.get_issue_number = lambda: '11112222'
     git_cl.latest_try_jobs = lambda _: {}
     self.command.git_cl = lambda: git_cl
     exit_code = self.command.execute(
         self.command_options(trigger_jobs=False), [], self.tool)
     self.assertEqual(exit_code, 1)
     self.assertLog([
         'INFO: No finished try jobs.\n',
         'INFO: Aborted: no try jobs and --no-trigger-jobs passed.\n',
     ])
Beispiel #28
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 def test_trigger_try_jobs_with_list(self):
     host = MockHost()
     git_cl = GitCL(host, auth_refresh_token_json='token.json')
     git_cl.trigger_try_jobs(['builder-a', 'android_blink_rel'])
     self.assertEqual(host.executive.calls, [
         [
             'git', 'cl', 'try', '-m', 'tryserver.chromium.android', '-b',
             'android_blink_rel', '--auth-refresh-token-json', 'token.json'
         ],
         [
             'git', 'cl', 'try', '-m', 'tryserver.blink', '-b', 'builder-a',
             '--auth-refresh-token-json', 'token.json'
         ],
     ])
Beispiel #29
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 def test_wait_for_try_jobs_done(self):
     host = MockHost()
     git_cl = GitCL(host)
     git_cl.fetch_try_results = lambda: [
         {
             'builder_name': 'some-builder',
             'status': 'COMPLETED',
             'result': 'FAILURE',
         },
     ]
     git_cl.wait_for_try_jobs()
     self.assertEqual(
         host.stdout.getvalue(),
         'Waiting for try jobs (timeout: 7200 seconds).\n'
         'All jobs finished.\n')
 def test_wait_for_try_jobs_no_results_not_considered_finished(self):
     host = MockHost()
     git_cl = GitCL(host)
     git_cl.fetch_raw_try_job_results = lambda: []
     git_cl.wait_for_try_jobs()
     self.assertEqual(
         host.stdout.getvalue(),
         'Waiting for try jobs, timeout: 7200 seconds.\n'
         'Waiting for try jobs. 600 seconds passed.\n'
         'Waiting for try jobs. 1800 seconds passed.\n'
         'Waiting for try jobs. 3000 seconds passed.\n'
         'Waiting for try jobs. 4200 seconds passed.\n'
         'Waiting for try jobs. 5400 seconds passed.\n'
         'Waiting for try jobs. 6600 seconds passed.\n'
         'Timed out waiting for try jobs.\n')
Beispiel #31
0
    def main(self, argv=None):
        options = self.parse_args(argv)
        self.verbose = options.verbose

        if not self.checkout_is_okay(options.allow_local_commits):
            return 1

        self.git_cl = GitCL(self.host, auth_refresh_token_json=options.auth_refresh_token_json)

        self.print_("## Noting the current Chromium commit.")
        _, show_ref_output = self.run(["git", "show-ref", "HEAD"])
        chromium_commitish = show_ref_output.split()[0]

        if options.target == "wpt":
            import_commitish = self.update(WPT_DEST_NAME, WPT_REPO_URL, options.keep_w3c_repos_around, options.revision)
            self._copy_resources()
        elif options.target == "css":
            import_commitish = self.update(CSS_DEST_NAME, CSS_REPO_URL, options.keep_w3c_repos_around, options.revision)
        else:
            raise AssertionError("Unsupported target %s" % options.target)

        has_changes = self.commit_changes_if_needed(chromium_commitish, import_commitish)
        if options.auto_update and has_changes:
            commit_successful = self.do_auto_update()
            if not commit_successful:
                return 1
        return 0
Beispiel #32
0
    def main(self, argv=None):
        options = self.parse_args(argv)
        self.verbose = options.verbose
        log_level = logging.DEBUG if self.verbose else logging.INFO
        logging.basicConfig(level=log_level, format='%(message)s')

        if not self.checkout_is_okay(options.allow_local_commits):
            return 1

        self.git_cl = GitCL(self.host, auth_refresh_token_json=options.auth_refresh_token_json)

        _log.info('Noting the current Chromium commit.')
        _, show_ref_output = self.run(['git', 'show-ref', 'HEAD'])
        chromium_commitish = show_ref_output.split()[0]

        if options.target == 'wpt':
            import_commitish = self.update(WPT_DEST_NAME, WPT_REPO_URL, options.keep_w3c_repos_around, options.revision)
            self._copy_resources()
        elif options.target == 'css':
            import_commitish = self.update(CSS_DEST_NAME, CSS_REPO_URL, options.keep_w3c_repos_around, options.revision)
        else:
            raise AssertionError("Unsupported target %s" % options.target)

        has_changes = self.commit_changes_if_needed(chromium_commitish, import_commitish)
        if options.auto_update and has_changes:
            commit_successful = self.do_auto_update()
            if not commit_successful:
                return 1
        return 0
Beispiel #33
0
 def test_latest_try_builds_started_builds(self):
     git_cl = GitCL(MockHost())
     git_cl.fetch_try_results = lambda: [
         {
             'builder_name':
             'builder-a',
             'status':
             'STARTED',
             'result':
             None,
             'url':
             'http://build.chromium.org/p/master/builders/some-builder/builds/100',
         },
     ]
     self.assertEqual(git_cl.latest_try_jobs(['builder-a']),
                      [Build('builder-a', 100)])
 def test_all_success_with_started_build(self):
     self.assertFalse(
         GitCL.all_success({
             Build('some-builder', 1):
             TryJobStatus('COMPLETED', 'SUCCESS'),
             Build('some-builder', 2):
             TryJobStatus('STARTED'),
         }))
 def test_has_failing_try_results_only_success_and_started(self):
     self.assertFalse(
         GitCL.some_failed({
             Build('some-builder', 90):
             TryJobStatus('COMPLETED', 'SUCCESS'),
             Build('some-builder', 100):
             TryJobStatus('STARTED'),
         }))
Beispiel #36
0
 def test_has_failing_try_results_with_failing_results(self):
     self.assertTrue(GitCL.has_failing_try_results([
         {
             'builder_name': 'some-builder',
             'status': 'COMPLETED',
             'result': 'FAILURE',
         },
     ]))
Beispiel #37
0
 def test_all_jobs_finished_only_completed_jobs(self):
     self.assertTrue(GitCL.all_jobs_finished([
         {
             'builder_name': 'some-builder',
             'status': 'COMPLETED',
             'result': 'FAILURE',
         },
         {
             'builder_name': 'some-builder',
             'status': 'COMPLETED',
             'result': 'SUCCESS',
         },
     ]))
Beispiel #38
0
 def test_all_jobs_finished_with_started_jobs(self):
     self.assertFalse(GitCL.all_jobs_finished([
         {
             'builder_name': 'some-builder',
             'status': 'COMPLETED',
             'result': 'FAILURE',
         },
         {
             'builder_name': 'some-builder',
             'status': 'STARTED',
             'result': None,
         },
     ]))
Beispiel #39
0
 def test_has_failing_try_results_only_success_and_started(self):
     self.assertFalse(GitCL.has_failing_try_results([
         {
             'builder_name': 'some-builder',
             'status': 'COMPLETED',
             'result': 'SUCCESS',
         },
         {
             'builder_name': 'some-builder',
             'status': 'STARTED',
             'result': None,
         },
     ]))
Beispiel #40
0
 def test_get_issue_number(self):
     host = MockHost()
     host.executive = MockExecutive2(output='Issue number: 12345 (http://crrev.com/12345)')
     git_cl = GitCL(host)
     self.assertEqual(git_cl.get_issue_number(), '12345')
Beispiel #41
0
 def test_get_issue_number_none(self):
     host = MockHost()
     host.executive = MockExecutive2(output='Issue number: None (None)')
     git_cl = GitCL(host)
     self.assertEqual(git_cl.get_issue_number(), 'None')
Beispiel #42
0
class DepsUpdater(object):
    def __init__(self, host):
        self.host = host
        self.executive = host.executive
        self.fs = host.filesystem
        self.finder = WebKitFinder(self.fs)
        self.verbose = False
        self.git_cl = None

    def main(self, argv=None):
        options = self.parse_args(argv)
        self.verbose = options.verbose

        if not self.checkout_is_okay(options.allow_local_commits):
            return 1

        self.git_cl = GitCL(self.host, auth_refresh_token_json=options.auth_refresh_token_json)

        self.print_("## Noting the current Chromium commit.")
        _, show_ref_output = self.run(["git", "show-ref", "HEAD"])
        chromium_commitish = show_ref_output.split()[0]

        if options.target == "wpt":
            import_commitish = self.update(WPT_DEST_NAME, WPT_REPO_URL, options.keep_w3c_repos_around, options.revision)
            self._copy_resources()
        elif options.target == "css":
            import_commitish = self.update(CSS_DEST_NAME, CSS_REPO_URL, options.keep_w3c_repos_around, options.revision)
        else:
            raise AssertionError("Unsupported target %s" % options.target)

        has_changes = self.commit_changes_if_needed(chromium_commitish, import_commitish)
        if options.auto_update and has_changes:
            commit_successful = self.do_auto_update()
            if not commit_successful:
                return 1
        return 0

    def parse_args(self, argv):
        parser = argparse.ArgumentParser()
        parser.description = __doc__
        parser.add_argument("-v", "--verbose", action="store_true", help="log what we are doing")
        parser.add_argument(
            "--allow-local-commits", action="store_true", help="allow script to run even if we have local commits"
        )
        parser.add_argument(
            "--keep-w3c-repos-around",
            action="store_true",
            help="leave the w3c repos around that were imported previously.",
        )
        parser.add_argument("-r", dest="revision", action="store", help="Target revision.")
        parser.add_argument(
            "target",
            choices=["css", "wpt"],
            help='Target repository.  "css" for csswg-test, "wpt" for web-platform-tests.',
        )
        parser.add_argument("--auto-update", action="store_true", help="uploads CL and initiates commit queue.")
        parser.add_argument("--auth-refresh-token-json", help="Rietveld auth refresh JSON token.")
        return parser.parse_args(argv)

    def checkout_is_okay(self, allow_local_commits):
        git_diff_retcode, _ = self.run(["git", "diff", "--quiet", "HEAD"], exit_on_failure=False)
        if git_diff_retcode:
            self.print_("## Checkout is dirty; aborting.")
            return False

        local_commits = self.run(["git", "log", "--oneline", "origin/master..HEAD"])[1]
        if local_commits and not allow_local_commits:
            self.print_("## Checkout has local commits; aborting. Use --allow-local-commits to allow this.")
            return False

        if self.fs.exists(self.path_from_webkit_base(WPT_DEST_NAME)):
            self.print_("## WebKit/%s exists; aborting." % WPT_DEST_NAME)
            return False

        if self.fs.exists(self.path_from_webkit_base(CSS_DEST_NAME)):
            self.print_("## WebKit/%s repo exists; aborting." % CSS_DEST_NAME)
            return False

        return True

    def _copy_resources(self):
        """Copies resources from LayoutTests/resources to wpt and vice versa.

        There are resources from our repository that we use instead of the
        upstream versions. Conversely, there are also some resources that
        are copied in the other direction.

        Specifically:
          - testharnessreport.js contains code needed to integrate our testing
            with testharness.js; we also want our code to be used for tests
            in wpt.
          - TODO(qyearsley, jsbell): Document why other other files are copied,
            or stop copying them if it's unnecessary.

        If this method is changed, the lists of files expected to be identical
        in LayoutTests/PRESUBMIT.py should also be changed.
        """
        resources_to_copy_to_wpt = [
            ("testharnessreport.js", "resources"),
            ("WebIDLParser.js", "resources"),
            ("vendor-prefix.js", "common"),
        ]
        resources_to_copy_from_wpt = [("idlharness.js", "resources"), ("testharness.js", "resources")]
        for filename, wpt_subdir in resources_to_copy_to_wpt:
            source = self.path_from_webkit_base("LayoutTests", "resources", filename)
            destination = self.path_from_webkit_base("LayoutTests", "imported", WPT_DEST_NAME, wpt_subdir, filename)
            self.copyfile(source, destination)
            self.run(["git", "add", destination])
        for filename, wpt_subdir in resources_to_copy_from_wpt:
            source = self.path_from_webkit_base("LayoutTests", "imported", WPT_DEST_NAME, wpt_subdir, filename)
            destination = self.path_from_webkit_base("LayoutTests", "resources", filename)
            self.copyfile(source, destination)
            self.run(["git", "add", destination])

    def update(self, dest_dir_name, url, keep_w3c_repos_around, revision):
        """Updates an imported repository.

        Args:
            dest_dir_name: The destination directory name.
            url: URL of the git repository.
            revision: Commit hash or None.

        Returns:
            A string for the commit description "<destination>@<commitish>".
        """
        temp_repo_path = self.path_from_webkit_base(dest_dir_name)
        self.print_("## Cloning %s into %s." % (url, temp_repo_path))
        self.run(["git", "clone", url, temp_repo_path])

        if revision is not None:
            self.print_("## Checking out %s" % revision)
            self.run(["git", "checkout", revision], cwd=temp_repo_path)
        self.run(["git", "submodule", "update", "--init", "--recursive"], cwd=temp_repo_path)

        self.print_("## Noting the revision we are importing.")
        _, show_ref_output = self.run(["git", "show-ref", "origin/master"], cwd=temp_repo_path)
        master_commitish = show_ref_output.split()[0]

        self.print_("## Cleaning out tests from LayoutTests/imported/%s." % dest_dir_name)
        dest_path = self.path_from_webkit_base("LayoutTests", "imported", dest_dir_name)
        files_to_delete = self.fs.files_under(dest_path, file_filter=self.is_not_baseline)
        for subpath in files_to_delete:
            self.remove("LayoutTests", "imported", subpath)

        self.print_("## Importing the tests.")
        src_repo = self.path_from_webkit_base(dest_dir_name)
        import_path = self.path_from_webkit_base("Tools", "Scripts", "import-w3c-tests")
        self.run([self.host.executable, import_path, "-d", "imported", src_repo])

        self.run(["git", "add", "--all", "LayoutTests/imported/%s" % dest_dir_name])

        self.print_("## Deleting manual tests.")
        files_to_delete = self.fs.files_under(dest_path, file_filter=self.is_manual_test)
        for subpath in files_to_delete:
            self.remove("LayoutTests", "imported", subpath)

        self.print_("## Deleting any orphaned baselines.")
        previous_baselines = self.fs.files_under(dest_path, file_filter=self.is_baseline)
        for subpath in previous_baselines:
            full_path = self.fs.join(dest_path, subpath)
            if self.fs.glob(full_path.replace("-expected.txt", "*")) == [full_path]:
                self.fs.remove(full_path)

        if not keep_w3c_repos_around:
            self.print_("## Deleting temp repo directory %s." % temp_repo_path)
            self.rmtree(temp_repo_path)

        self.print_("## Updating TestExpectations for any removed or renamed tests.")
        self.update_all_test_expectations_files(self._list_deleted_tests(), self._list_renamed_tests())

        return "%s@%s" % (dest_dir_name, master_commitish)

    def commit_changes_if_needed(self, chromium_commitish, import_commitish):
        if self.run(["git", "diff", "--quiet", "HEAD"], exit_on_failure=False)[0]:
            self.print_("## Committing changes.")
            commit_msg = (
                "Import %s\n" "\n" "Using update-w3c-deps in Chromium %s.\n" % (import_commitish, chromium_commitish)
            )
            path_to_commit_msg = self.path_from_webkit_base("commit_msg")
            if self.verbose:
                self.print_("cat > %s <<EOF" % path_to_commit_msg)
                self.print_(commit_msg)
                self.print_("EOF")
            self.fs.write_text_file(path_to_commit_msg, commit_msg)
            self.run(["git", "commit", "-a", "-F", path_to_commit_msg])
            self.remove(path_to_commit_msg)
            self.print_("## Done: changes imported and committed.")
            return True
        else:
            self.print_("## Done: no changes to import.")
            return False

    def is_manual_test(self, fs, dirname, basename):
        """Returns True if the file should be removed because it's a manual test.

        Tests with "-manual" in the name are not considered manual tests
        if there is a corresponding JS automation file.
        """
        basename_without_extension, _ = self.fs.splitext(basename)
        if not basename_without_extension.endswith("-manual"):
            return False
        dir_from_wpt = fs.relpath(dirname, self.path_from_webkit_base("LayoutTests", "imported", "wpt"))
        automation_dir = self.path_from_webkit_base("LayoutTests", "imported", "wpt_automation", dir_from_wpt)
        if fs.isfile(fs.join(automation_dir, "%s-automation.js" % basename_without_extension)):
            return False
        return True

    # Callback for FileSystem.files_under; not all arguments used - pylint: disable=unused-argument
    def is_baseline(self, fs, dirname, basename):
        return basename.endswith("-expected.txt")

    def is_not_baseline(self, fs, dirname, basename):
        return not self.is_baseline(fs, dirname, basename)

    def run(self, cmd, exit_on_failure=True, cwd=None):
        if self.verbose:
            self.print_(" ".join(cmd))

        cwd = cwd or self.finder.webkit_base()
        proc = self.executive.popen(cmd, stdout=self.executive.PIPE, stderr=self.executive.PIPE, cwd=cwd)
        out, err = proc.communicate()
        if proc.returncode or self.verbose:
            self.print_("# ret> %d" % proc.returncode)
            if out:
                for line in out.splitlines():
                    self.print_("# out> %s" % line)
            if err:
                for line in err.splitlines():
                    self.print_("# err> %s" % line)
        if exit_on_failure and proc.returncode:
            self.host.exit(proc.returncode)
        return proc.returncode, out

    def check_run(self, command):
        return_code, out = self.run(command)
        if return_code:
            raise Exception("%s failed with exit code %d." % " ".join(command), return_code)
        return out

    def copyfile(self, source, destination):
        if self.verbose:
            self.print_("cp %s %s" % (source, destination))
        self.fs.copyfile(source, destination)

    def remove(self, *comps):
        dest = self.path_from_webkit_base(*comps)
        if self.verbose:
            self.print_("rm %s" % dest)
        self.fs.remove(dest)

    def rmtree(self, *comps):
        dest = self.path_from_webkit_base(*comps)
        if self.verbose:
            self.print_("rm -fr %s" % dest)
        self.fs.rmtree(dest)

    def path_from_webkit_base(self, *comps):
        return self.finder.path_from_webkit_base(*comps)

    def print_(self, msg):
        self.host.print_(msg)

    def do_auto_update(self):
        """Attempts to upload a CL, make any required adjustments, and commit.

        This function assumes that the imported repo has already been updated,
        and that change has been committed. There may be newly-failing tests,
        so before being able to commit these new changes, we may need to update
        TestExpectations or download new baselines.

        Returns:
            True if successfully committed, False otherwise.
        """
        self._upload_cl()
        self.print_("## " + self.git_cl.run(["issue"]).strip())

        # First try: if there are failures, update expectations.
        self.print_("## Triggering try jobs.")
        for try_bot in self.host.builders.all_try_builder_names():
            self.git_cl.run(["try", "-b", try_bot])
        try_results = self.git_cl.wait_for_try_jobs()
        if not try_results:
            self.print_("## Timed out waiting for try results.")
            return
        if try_results and self.git_cl.has_failing_try_results(try_results):
            self.fetch_new_expectations_and_baselines()

        # Second try: if there are failures, then abort.
        self.git_cl.run(["set-commit", "--rietveld"])
        try_results = self.git_cl.wait_for_try_jobs()
        if not try_results:
            self.print_("Timed out waiting for try results.")
            self.git_cl.run(["set-close"])
            return False
        if self.git_cl.has_failing_try_results(try_results):
            self.print_("CQ failed; aborting.")
            self.git_cl.run(["set-close"])
            return False
        self.print_("## Update completed.")
        return True

    def _upload_cl(self):
        self.print_("## Uploading change list.")
        cc_list = self.get_directory_owners_to_cc()
        last_commit_message = self.check_run(["git", "log", "-1", "--format=%B"])
        commit_message = last_commit_message + "[email protected]"
        self.git_cl.run(["upload", "-f", "--rietveld", "-m", commit_message] + ["--cc=" + email for email in cc_list])

    def get_directory_owners_to_cc(self):
        """Returns a list of email addresses to CC for the current import."""
        self.print_("## Gathering directory owners emails to CC.")
        directory_owners_file_path = self.finder.path_from_webkit_base(
            "Tools", "Scripts", "webkitpy", "w3c", "directory_owners.json"
        )
        with open(directory_owners_file_path) as data_file:
            directory_to_owner = self.parse_directory_owners(json.load(data_file))
        out = self.check_run(["git", "diff", "origin/master", "--name-only"])
        changed_files = out.splitlines()
        return self.generate_email_list(changed_files, directory_to_owner)

    @staticmethod
    def parse_directory_owners(decoded_data_file):
        directory_dict = {}
        for dict_set in decoded_data_file:
            if dict_set["notification-email"]:
                directory_dict[dict_set["directory"]] = dict_set["notification-email"]
        return directory_dict

    def generate_email_list(self, changed_files, directory_to_owner):
        """Returns a list of email addresses based on the given file list and
        directory-to-owner mapping.

        Args:
            changed_files: A list of file paths relative to the repository root.
            directory_to_owner: A dict mapping layout test directories to emails.

        Returns:
            A list of the email addresses to be notified for the current import.
        """
        email_addresses = set()
        for file_path in changed_files:
            test_path = self.finder.layout_test_name(file_path)
            if test_path is None:
                continue
            test_dir = self.fs.dirname(test_path)
            if test_dir in directory_to_owner:
                email_addresses.add(directory_to_owner[test_dir])
        return sorted(email_addresses)

    def fetch_new_expectations_and_baselines(self):
        """Adds new expectations and downloads baselines based on try job results, then commits and uploads the change."""
        self.print_("## Adding test expectations lines to LayoutTests/TestExpectations.")
        script_path = self.path_from_webkit_base("Tools", "Scripts", "update-w3c-test-expectations")
        self.run([self.host.executable, script_path, "--verbose"])
        message = "Modify TestExpectations or download new baselines for tests."
        self.check_run(["git", "commit", "-a", "-m", message])
        self.git_cl.run(["upload", "-m", message, "--rietveld"])

    def update_all_test_expectations_files(self, deleted_tests, renamed_tests):
        """Updates all test expectations files for tests that have been deleted or renamed."""
        port = self.host.port_factory.get()
        for path, file_contents in port.all_expectations_dict().iteritems():

            parser = TestExpectationParser(port, all_tests=None, is_lint_mode=False)
            expectation_lines = parser.parse(path, file_contents)
            self._update_single_test_expectations_file(path, expectation_lines, deleted_tests, renamed_tests)

    def _update_single_test_expectations_file(self, path, expectation_lines, deleted_tests, renamed_tests):
        """Updates single test expectations file."""
        # FIXME: This won't work for removed or renamed directories with test expectations
        # that are directories rather than individual tests.
        new_lines = []
        changed_lines = []
        for expectation_line in expectation_lines:
            if expectation_line.name in deleted_tests:
                continue
            if expectation_line.name in renamed_tests:
                expectation_line.name = renamed_tests[expectation_line.name]
                # Upon parsing the file, a "path does not exist" warning is expected
                # to be there for tests that have been renamed, and if there are warnings,
                # then the original string is used. If the warnings are reset, then the
                # expectation line is re-serialized when output.
                expectation_line.warnings = []
                changed_lines.append(expectation_line)
            new_lines.append(expectation_line)
        new_file_contents = TestExpectations.list_to_string(new_lines, reconstitute_only_these=changed_lines)
        self.host.filesystem.write_text_file(path, new_file_contents)

    def _list_deleted_tests(self):
        """Returns a list of layout tests that have been deleted."""
        out = self.check_run(["git", "diff", "origin/master", "--diff-filter=D", "--name-only"])
        deleted_tests = []
        for line in out.splitlines():
            test = self.finder.layout_test_name(line)
            if test:
                deleted_tests.append(test)
        return deleted_tests

    def _list_renamed_tests(self):
        """Returns a dict mapping source to dest name for layout tests that have been renamed."""
        out = self.check_run(["git", "diff", "origin/master", "--diff-filter=R", "--name-status"])
        renamed_tests = {}
        for line in out.splitlines():
            _, source_path, dest_path = line.split()
            source_test = self.finder.layout_test_name(source_path)
            dest_test = self.finder.layout_test_name(dest_path)
            if source_test and dest_test:
                renamed_tests[source_test] = dest_test
        return renamed_tests
Beispiel #43
0
 def test_all_jobs_finished_empty(self):
     self.assertTrue(GitCL.all_jobs_finished([]))
Beispiel #44
0
 def test_has_failing_try_results_empty(self):
     self.assertFalse(GitCL.has_failing_try_results([]))
Beispiel #45
0
 def test_some_commands_not_run_with_auth(self):
     host = MockHost()
     host.executive = MockExecutive2(output='mock-output')
     git_cl = GitCL(host, auth_refresh_token_json='token.json')
     git_cl.run(['issue'])
     self.assertEqual(host.executive.calls, [['git', 'cl', 'issue']])
Beispiel #46
0
class DepsUpdater(object):

    def __init__(self, host):
        self.host = host
        self.executive = host.executive
        self.fs = host.filesystem
        self.finder = WebKitFinder(self.fs)
        self.verbose = False
        self.git_cl = None

    def main(self, argv=None):
        options = self.parse_args(argv)
        self.verbose = options.verbose

        if not self.checkout_is_okay(options.allow_local_commits):
            return 1

        self.git_cl = GitCL(self.host, auth_refresh_token_json=options.auth_refresh_token_json)

        self.print_('## Noting the current Chromium commit.')
        _, show_ref_output = self.run(['git', 'show-ref', 'HEAD'])
        chromium_commitish = show_ref_output.split()[0]

        if options.target == 'wpt':
            import_commitish = self.update(WPT_DEST_NAME, WPT_REPO_URL, options.keep_w3c_repos_around, options.revision)
            self._copy_resources()
        elif options.target == 'css':
            import_commitish = self.update(CSS_DEST_NAME, CSS_REPO_URL, options.keep_w3c_repos_around, options.revision)
        else:
            raise AssertionError("Unsupported target %s" % options.target)

        has_changes = self.commit_changes_if_needed(chromium_commitish, import_commitish)
        if options.auto_update and has_changes:
            commit_successful = self.do_auto_update()
            if not commit_successful:
                return 1
        return 0

    def parse_args(self, argv):
        parser = argparse.ArgumentParser()
        parser.description = __doc__
        parser.add_argument('-v', '--verbose', action='store_true',
                            help='log what we are doing')
        parser.add_argument('--allow-local-commits', action='store_true',
                            help='allow script to run even if we have local commits')
        parser.add_argument('--keep-w3c-repos-around', action='store_true',
                            help='leave the w3c repos around that were imported previously.')
        parser.add_argument('-r', dest='revision', action='store',
                            help='Target revision.')
        parser.add_argument('target', choices=['css', 'wpt'],
                            help='Target repository.  "css" for csswg-test, "wpt" for web-platform-tests.')
        parser.add_argument('--auto-update', action='store_true',
                            help='uploads CL and initiates commit queue.')
        parser.add_argument('--auth-refresh-token-json',
                            help='Rietveld auth refresh JSON token.')
        return parser.parse_args(argv)

    def checkout_is_okay(self, allow_local_commits):
        git_diff_retcode, _ = self.run(['git', 'diff', '--quiet', 'HEAD'], exit_on_failure=False)
        if git_diff_retcode:
            self.print_('## Checkout is dirty; aborting.')
            return False

        local_commits = self.run(['git', 'log', '--oneline', 'origin/master..HEAD'])[1]
        if local_commits and not allow_local_commits:
            self.print_('## Checkout has local commits; aborting. Use --allow-local-commits to allow this.')
            return False

        if self.fs.exists(self.path_from_webkit_base(WPT_DEST_NAME)):
            self.print_('## WebKit/%s exists; aborting.' % WPT_DEST_NAME)
            return False

        if self.fs.exists(self.path_from_webkit_base(CSS_DEST_NAME)):
            self.print_('## WebKit/%s repo exists; aborting.' % CSS_DEST_NAME)
            return False

        return True

    def _copy_resources(self):
        """Copies resources from LayoutTests/resources to wpt and vice versa.

        There are resources from our repository that we use instead of the
        upstream versions. Conversely, there are also some resources that
        are copied in the other direction.

        Specifically:
          - testharnessreport.js contains code needed to integrate our testing
            with testharness.js; we also want our code to be used for tests
            in wpt.
          - TODO(qyearsley, jsbell): Document why other other files are copied,
            or stop copying them if it's unnecessary.

        If this method is changed, the lists of files expected to be identical
        in LayoutTests/PRESUBMIT.py should also be changed.
        """
        # TODO(tkent): resources_to_copy_to_wpt is unnecessary after enabling
        # WPTServe.
        resources_to_copy_to_wpt = [
            ('testharnessreport.js', 'resources'),
            ('WebIDLParser.js', 'resources'),
            ('vendor-prefix.js', 'common'),
        ]
        resources_to_copy_from_wpt = [
            ('idlharness.js', 'resources'),
            ('testharness.js', 'resources'),
        ]
        for filename, wpt_subdir in resources_to_copy_to_wpt:
            source = self.path_from_webkit_base('LayoutTests', 'resources', filename)
            destination = self.path_from_webkit_base('LayoutTests', 'imported', WPT_DEST_NAME, wpt_subdir, filename)
            self.copyfile(source, destination)
            self.run(['git', 'add', destination])
        for filename, wpt_subdir in resources_to_copy_from_wpt:
            source = self.path_from_webkit_base('LayoutTests', 'imported', WPT_DEST_NAME, wpt_subdir, filename)
            destination = self.path_from_webkit_base('LayoutTests', 'resources', filename)
            self.copyfile(source, destination)
            self.run(['git', 'add', destination])

    def _generate_manifest(self, original_repo_path, dest_path):
        """Generate MANIFEST.json for imported tests.

        Run 'manifest' command if it exists in original_repo_path, and
        add generated MANIFEST.json to dest_path.
        """
        manifest_command = self.fs.join(original_repo_path, 'manifest')
        if not self.fs.exists(manifest_command):
            # Do nothing for csswg-test.
            return
        self.print_('## Generating MANIFEST.json')
        self.run([manifest_command, '--tests-root', dest_path])
        self.run(['git', 'add', self.fs.join(dest_path, 'MANIFEST.json')])

    def update(self, dest_dir_name, url, keep_w3c_repos_around, revision):
        """Updates an imported repository.

        Args:
            dest_dir_name: The destination directory name.
            url: URL of the git repository.
            revision: Commit hash or None.

        Returns:
            A string for the commit description "<destination>@<commitish>".
        """
        temp_repo_path = self.path_from_webkit_base(dest_dir_name)
        self.print_('## Cloning %s into %s.' % (url, temp_repo_path))
        self.run(['git', 'clone', url, temp_repo_path])

        if revision is not None:
            self.print_('## Checking out %s' % revision)
            self.run(['git', 'checkout', revision], cwd=temp_repo_path)
        self.run(['git', 'submodule', 'update', '--init', '--recursive'], cwd=temp_repo_path)

        self.print_('## Noting the revision we are importing.')
        _, show_ref_output = self.run(['git', 'show-ref', 'origin/master'], cwd=temp_repo_path)
        master_commitish = show_ref_output.split()[0]

        self.print_('## Cleaning out tests from LayoutTests/imported/%s.' % dest_dir_name)
        dest_path = self.path_from_webkit_base('LayoutTests', 'imported', dest_dir_name)
        files_to_delete = self.fs.files_under(dest_path, file_filter=self.is_not_baseline)
        for subpath in files_to_delete:
            self.remove('LayoutTests', 'imported', subpath)

        self.print_('## Importing the tests.')
        src_repo = self.path_from_webkit_base(dest_dir_name)
        import_path = self.path_from_webkit_base('Tools', 'Scripts', 'import-w3c-tests')
        self.run([self.host.executable, import_path, '-d', 'imported', src_repo])

        self.run(['git', 'add', '--all', 'LayoutTests/imported/%s' % dest_dir_name])

        self.print_('## Deleting any orphaned baselines.')
        previous_baselines = self.fs.files_under(dest_path, file_filter=self.is_baseline)
        for subpath in previous_baselines:
            full_path = self.fs.join(dest_path, subpath)
            if self.fs.glob(full_path.replace('-expected.txt', '*')) == [full_path]:
                self.fs.remove(full_path)

        self._generate_manifest(temp_repo_path, dest_path)
        if not keep_w3c_repos_around:
            self.print_('## Deleting temp repo directory %s.' % temp_repo_path)
            self.rmtree(temp_repo_path)

        self.print_('## Updating TestExpectations for any removed or renamed tests.')
        self.update_all_test_expectations_files(self._list_deleted_tests(), self._list_renamed_tests())

        return '%s@%s' % (dest_dir_name, master_commitish)

    def commit_changes_if_needed(self, chromium_commitish, import_commitish):
        if self.run(['git', 'diff', '--quiet', 'HEAD'], exit_on_failure=False)[0]:
            self.print_('## Committing changes.')
            commit_msg = ('Import %s\n'
                          '\n'
                          'Using update-w3c-deps in Chromium %s.\n'
                          % (import_commitish, chromium_commitish))
            path_to_commit_msg = self.path_from_webkit_base('commit_msg')
            if self.verbose:
                self.print_('cat > %s <<EOF' % path_to_commit_msg)
                self.print_(commit_msg)
                self.print_('EOF')
            self.fs.write_text_file(path_to_commit_msg, commit_msg)
            self.run(['git', 'commit', '-a', '-F', path_to_commit_msg])
            self.remove(path_to_commit_msg)
            self.print_('## Done: changes imported and committed.')
            return True
        else:
            self.print_('## Done: no changes to import.')
            return False

    # Callback for FileSystem.files_under; not all arguments used - pylint: disable=unused-argument
    def is_baseline(self, fs, dirname, basename):
        return basename.endswith('-expected.txt')

    def is_not_baseline(self, fs, dirname, basename):
        return not self.is_baseline(fs, dirname, basename)

    def run(self, cmd, exit_on_failure=True, cwd=None):
        if self.verbose:
            self.print_(' '.join(cmd))

        cwd = cwd or self.finder.webkit_base()
        proc = self.executive.popen(cmd, stdout=self.executive.PIPE, stderr=self.executive.PIPE, cwd=cwd)
        out, err = proc.communicate()
        if proc.returncode or self.verbose:
            self.print_('# ret> %d' % proc.returncode)
            if out:
                for line in out.splitlines():
                    self.print_('# out> %s' % line)
            if err:
                for line in err.splitlines():
                    self.print_('# err> %s' % line)
        if exit_on_failure and proc.returncode:
            self.host.exit(proc.returncode)
        return proc.returncode, out

    def check_run(self, command):
        return_code, out = self.run(command)
        if return_code:
            raise Exception('%s failed with exit code %d.' % ' '.join(command), return_code)
        return out

    def copyfile(self, source, destination):
        if self.verbose:
            self.print_('cp %s %s' % (source, destination))
        self.fs.copyfile(source, destination)

    def remove(self, *comps):
        dest = self.path_from_webkit_base(*comps)
        if self.verbose:
            self.print_('rm %s' % dest)
        self.fs.remove(dest)

    def rmtree(self, *comps):
        dest = self.path_from_webkit_base(*comps)
        if self.verbose:
            self.print_('rm -fr %s' % dest)
        self.fs.rmtree(dest)

    def path_from_webkit_base(self, *comps):
        return self.finder.path_from_webkit_base(*comps)

    def print_(self, msg):
        self.host.print_(msg)

    def do_auto_update(self):
        """Attempts to upload a CL, make any required adjustments, and commit.

        This function assumes that the imported repo has already been updated,
        and that change has been committed. There may be newly-failing tests,
        so before being able to commit these new changes, we may need to update
        TestExpectations or download new baselines.

        Returns:
            True if successfully committed, False otherwise.
        """
        self._upload_cl()
        self.print_('## ' + self.git_cl.run(['issue']).strip())

        # First try: if there are failures, update expectations.
        self.print_('## Triggering try jobs.')
        for try_bot in self.host.builders.all_try_builder_names():
            self.git_cl.run(['try', '-b', try_bot])
        try_results = self.git_cl.wait_for_try_jobs()
        if not try_results:
            self.print_('## Timed out waiting for try results.')
            return
        if try_results and self.git_cl.has_failing_try_results(try_results):
            self.fetch_new_expectations_and_baselines()

        # Second try: if there are failures, then abort.
        self.git_cl.run(['set-commit', '--rietveld'])
        try_results = self.git_cl.wait_for_try_jobs()
        if not try_results:
            self.print_('Timed out waiting for try results.')
            self.git_cl.run(['set-close'])
            return False
        if self.git_cl.has_failing_try_results(try_results):
            self.print_('CQ failed; aborting.')
            self.git_cl.run(['set-close'])
            return False
        self.print_('## Update completed.')
        return True

    def _upload_cl(self):
        self.print_('## Uploading change list.')
        cc_list = self.get_directory_owners_to_cc()
        last_commit_message = self.check_run(['git', 'log', '-1', '--format=%B'])
        commit_message = last_commit_message + '[email protected]'
        self.git_cl.run([
            'upload',
            '-f',
            '--rietveld',
            '-m',
            commit_message,
        ] + ['--cc=' + email for email in cc_list])

    def get_directory_owners_to_cc(self):
        """Returns a list of email addresses to CC for the current import."""
        self.print_('## Gathering directory owners emails to CC.')
        directory_owners_file_path = self.finder.path_from_webkit_base(
            'Tools', 'Scripts', 'webkitpy', 'w3c', 'directory_owners.json')
        with open(directory_owners_file_path) as data_file:
            directory_to_owner = self.parse_directory_owners(json.load(data_file))
        out = self.check_run(['git', 'diff', 'origin/master', '--name-only'])
        changed_files = out.splitlines()
        return self.generate_email_list(changed_files, directory_to_owner)

    @staticmethod
    def parse_directory_owners(decoded_data_file):
        directory_dict = {}
        for dict_set in decoded_data_file:
            if dict_set['notification-email']:
                directory_dict[dict_set['directory']] = dict_set['notification-email']
        return directory_dict

    def generate_email_list(self, changed_files, directory_to_owner):
        """Returns a list of email addresses based on the given file list and
        directory-to-owner mapping.

        Args:
            changed_files: A list of file paths relative to the repository root.
            directory_to_owner: A dict mapping layout test directories to emails.

        Returns:
            A list of the email addresses to be notified for the current import.
        """
        email_addresses = set()
        for file_path in changed_files:
            test_path = self.finder.layout_test_name(file_path)
            if test_path is None:
                continue
            test_dir = self.fs.dirname(test_path)
            if test_dir in directory_to_owner:
                email_addresses.add(directory_to_owner[test_dir])
        return sorted(email_addresses)

    def fetch_new_expectations_and_baselines(self):
        """Adds new expectations and downloads baselines based on try job results, then commits and uploads the change."""
        self.print_('## Adding test expectations lines to LayoutTests/TestExpectations.')
        script_path = self.path_from_webkit_base('Tools', 'Scripts', 'update-w3c-test-expectations')
        self.run([self.host.executable, script_path, '--verbose'])
        message = 'Modify TestExpectations or download new baselines for tests.'
        self.check_run(['git', 'commit', '-a', '-m', message])
        self.git_cl.run(['upload', '-m', message, '--rietveld'])

    def update_all_test_expectations_files(self, deleted_tests, renamed_tests):
        """Updates all test expectations files for tests that have been deleted or renamed."""
        port = self.host.port_factory.get()
        for path, file_contents in port.all_expectations_dict().iteritems():

            parser = TestExpectationParser(port, all_tests=None, is_lint_mode=False)
            expectation_lines = parser.parse(path, file_contents)
            self._update_single_test_expectations_file(path, expectation_lines, deleted_tests, renamed_tests)

    def _update_single_test_expectations_file(self, path, expectation_lines, deleted_tests, renamed_tests):
        """Updates single test expectations file."""
        # FIXME: This won't work for removed or renamed directories with test expectations
        # that are directories rather than individual tests.
        new_lines = []
        changed_lines = []
        for expectation_line in expectation_lines:
            if expectation_line.name in deleted_tests:
                continue
            if expectation_line.name in renamed_tests:
                expectation_line.name = renamed_tests[expectation_line.name]
                # Upon parsing the file, a "path does not exist" warning is expected
                # to be there for tests that have been renamed, and if there are warnings,
                # then the original string is used. If the warnings are reset, then the
                # expectation line is re-serialized when output.
                expectation_line.warnings = []
                changed_lines.append(expectation_line)
            new_lines.append(expectation_line)
        new_file_contents = TestExpectations.list_to_string(new_lines, reconstitute_only_these=changed_lines)
        self.host.filesystem.write_text_file(path, new_file_contents)

    def _list_deleted_tests(self):
        """Returns a list of layout tests that have been deleted."""
        out = self.check_run(['git', 'diff', 'origin/master', '-M100%', '--diff-filter=D', '--name-only'])
        deleted_tests = []
        for line in out.splitlines():
            test = self.finder.layout_test_name(line)
            if test:
                deleted_tests.append(test)
        return deleted_tests

    def _list_renamed_tests(self):
        """Returns a dict mapping source to dest name for layout tests that have been renamed."""
        out = self.check_run(['git', 'diff', 'origin/master', '-M100%', '--diff-filter=R', '--name-status'])
        renamed_tests = {}
        for line in out.splitlines():
            _, source_path, dest_path = line.split()
            source_test = self.finder.layout_test_name(source_path)
            dest_test = self.finder.layout_test_name(dest_path)
            if source_test and dest_test:
                renamed_tests[source_test] = dest_test
        return renamed_tests