diff options
Diffstat (limited to 'Tools/Scripts/webkitpy/tool/commands/rebaseline.py')
-rw-r--r-- | Tools/Scripts/webkitpy/tool/commands/rebaseline.py | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/Tools/Scripts/webkitpy/tool/commands/rebaseline.py b/Tools/Scripts/webkitpy/tool/commands/rebaseline.py new file mode 100644 index 000000000..515ff7dfa --- /dev/null +++ b/Tools/Scripts/webkitpy/tool/commands/rebaseline.py @@ -0,0 +1,241 @@ +# Copyright (c) 2010 Google Inc. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +import os.path +import re +import shutil +import urllib + +import webkitpy.common.config.urls as config_urls +from webkitpy.common.checkout.baselineoptimizer import BaselineOptimizer +from webkitpy.common.net.buildbot import BuildBot +from webkitpy.common.net.layouttestresults import LayoutTestResults +from webkitpy.common.system.executive import ScriptError +from webkitpy.common.system.user import User +from webkitpy.layout_tests.controllers.test_result_writer import TestResultWriter +from webkitpy.layout_tests.models import test_failures +from webkitpy.layout_tests.models.test_expectations import TestExpectations +from webkitpy.layout_tests.port import builders +from webkitpy.tool.grammar import pluralize +from webkitpy.tool.multicommandtool import AbstractDeclarativeCommand + + +_baseline_suffix_list = ['png', 'txt'] + + +# FIXME: Should TestResultWriter know how to compute this string? +def _baseline_name(fs, test_name, suffix): + return fs.splitext(test_name)[0] + TestResultWriter.FILENAME_SUFFIX_EXPECTED + "." + suffix + + +class RebaselineTest(AbstractDeclarativeCommand): + name = "rebaseline-test" + help_text = "Rebaseline a single test from a buildbot. (Currently works only with build.chromium.org buildbots.)" + argument_names = "BUILDER_NAME TEST_NAME" + + def _results_url(self, builder_name): + # FIXME: Generalize this command to work with non-build.chromium.org builders. + builder = self._tool.chromium_buildbot().builder_with_name(builder_name) + return builder.accumulated_results_url() + + def _baseline_directory(self, builder_name): + port = self._tool.port_factory.get_from_builder_name(builder_name) + return port.baseline_path() + + def _save_baseline(self, data, target_baseline): + if not data: + return + filesystem = self._tool.filesystem + filesystem.maybe_make_directory(filesystem.dirname(target_baseline)) + filesystem.write_binary_file(target_baseline, data) + if not self._tool.scm().exists(target_baseline): + self._tool.scm().add(target_baseline) + + def _test_root(self, test_name): + return os.path.splitext(test_name)[0] + + def _file_name_for_actual_result(self, test_name, suffix): + return "%s-actual.%s" % (self._test_root(test_name), suffix) + + def _file_name_for_expected_result(self, test_name, suffix): + return "%s-expected.%s" % (self._test_root(test_name), suffix) + + def _rebaseline_test(self, builder_name, test_name, suffix): + results_url = self._results_url(builder_name) + baseline_directory = self._baseline_directory(builder_name) + + source_baseline = "%s/%s" % (results_url, self._file_name_for_actual_result(test_name, suffix)) + target_baseline = os.path.join(baseline_directory, self._file_name_for_expected_result(test_name, suffix)) + + print "Retrieving %s." % source_baseline + self._save_baseline(self._tool.web.get_binary(source_baseline, convert_404_to_None=True), target_baseline) + + def execute(self, options, args, tool): + for suffix in _baseline_suffix_list: + self._rebaseline_test(args[0], args[1], suffix) + + +class OptimizeBaselines(AbstractDeclarativeCommand): + name = "optimize-baselines" + help_text = "Reshuffles the baselines for the given tests to use as litte space on disk as possible." + argument_names = "TEST_NAMES" + + def _optimize_baseline(self, test_name): + for suffix in _baseline_suffix_list: + baseline_name = _baseline_name(self._tool.filesystem, test_name, suffix) + if not self._baseline_optimizer.optimize(baseline_name): + print "Hueristics failed to optimize %s" % baseline_name + + def execute(self, options, args, tool): + self._baseline_optimizer = BaselineOptimizer(tool) + self._port = tool.port_factory.get("chromium-win-win7") # FIXME: This should be selectable. + + for test_name in self._port.tests(args): + print "Optimizing %s." % test_name + self._optimize_baseline(test_name) + + +class AnalyzeBaselines(AbstractDeclarativeCommand): + name = "analyze-baselines" + help_text = "Analyzes the baselines for the given tests and prints results that are identical." + argument_names = "TEST_NAMES" + + def _print(self, baseline_name, directories_by_result): + for result, directories in directories_by_result.items(): + if len(directories) <= 1: + continue + results_names = [self._tool.filesystem.join(directory, baseline_name) for directory in directories] + print ' '.join(results_names) + + def _analyze_baseline(self, test_name): + for suffix in _baseline_suffix_list: + baseline_name = _baseline_name(self._tool.filesystem, test_name, suffix) + directories_by_result = self._baseline_optimizer.directories_by_result(baseline_name) + self._print(baseline_name, directories_by_result) + + def execute(self, options, args, tool): + self._baseline_optimizer = BaselineOptimizer(tool) + self._port = tool.port_factory.get("chromium-win-win7") # FIXME: This should be selectable. + + for test_name in self._port.tests(args): + self._analyze_baseline(test_name) + + +class RebaselineExpectations(AbstractDeclarativeCommand): + name = "rebaseline-expectations" + help_text = "Rebaselines the tests indicated in test_expectations.txt." + + def _run_webkit_patch(self, args): + try: + self._tool.executive.run_command([self._tool.path()] + args, cwd=self._tool.scm().checkout_root) + except ScriptError, e: + pass + + def _is_supported_port(self, port_name): + # FIXME: Support non-Chromium ports. + return port_name.startswith('chromium-') + + def _expectations(self, port): + return TestExpectations(port, None, port.test_expectations(), port.test_configuration()) + + def _update_expectations_file(self, port_name): + if not self._is_supported_port(port_name): + return + port = self._tool.port_factory.get(port_name) + expectations = self._expectations(port) + path = port.path_to_test_expectations_file() + self._tool.filesystem.write_text_file(path, expectations.remove_rebaselined_tests(expectations.get_rebaselining_failures())) + + def _tests_to_rebaseline(self, port): + return self._expectations(port).get_rebaselining_failures() + + def _rebaseline_port(self, port_name): + if not self._is_supported_port(port_name): + return + builder_name = builders.builder_name_for_port_name(port_name) + if not builder_name: + return + print "Retrieving results for %s from %s." % (port_name, builder_name) + for test_name in self._tests_to_rebaseline(self._tool.port_factory.get(port_name)): + self._touched_test_names.add(test_name) + print " %s" % test_name + self._run_webkit_patch(['rebaseline-test', builder_name, test_name]) + + def execute(self, options, args, tool): + self._touched_test_names = set([]) + for port_name in tool.port_factory.all_port_names(): + self._rebaseline_port(port_name) + for port_name in tool.port_factory.all_port_names(): + self._update_expectations_file(port_name) + for test_name in self._touched_test_names: + print "Optimizing baselines for %s." % test_name + self._run_webkit_patch(['optimize-baselines', test_name]) + + +class Rebaseline(AbstractDeclarativeCommand): + name = "rebaseline" + help_text = "Replaces local expected.txt files with new results from build bots" + + # FIXME: This should share more code with FailureReason._builder_to_explain + def _builder_to_pull_from(self): + builder_statuses = self._tool.buildbot.builder_statuses() + red_statuses = [status for status in builder_statuses if not status["is_green"]] + print "%s failing" % (pluralize("builder", len(red_statuses))) + builder_choices = [status["name"] for status in red_statuses] + chosen_name = self._tool.user.prompt_with_list("Which builder to pull results from:", builder_choices) + # FIXME: prompt_with_list should really take a set of objects and a set of names and then return the object. + for status in red_statuses: + if status["name"] == chosen_name: + return (self._tool.buildbot.builder_with_name(chosen_name), status["build_number"]) + + def _replace_expectation_with_remote_result(self, local_file, remote_file): + (downloaded_file, headers) = urllib.urlretrieve(remote_file) + shutil.move(downloaded_file, local_file) + + def _tests_to_update(self, build): + failing_tests = build.layout_test_results().tests_matching_failure_types([test_failures.FailureTextMismatch]) + return self._tool.user.prompt_with_list("Which test(s) to rebaseline:", failing_tests, can_choose_multiple=True) + + def _results_url_for_test(self, build, test): + test_base = os.path.splitext(test)[0] + actual_path = test_base + "-actual.txt" + return build.results_url() + "/" + actual_path + + def execute(self, options, args, tool): + builder, build_number = self._builder_to_pull_from() + build = builder.build(build_number) + port = tool.port_factory.get_from_builder_name(builder.name()) + + for test in self._tests_to_update(build): + results_url = self._results_url_for_test(build, test) + # Port operates with absolute paths. + expected_file = port.expected_filename(test, '.txt') + print test + self._replace_expectation_with_remote_result(expected_file, results_url) + + # FIXME: We should handle new results too. |