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How to use test_config_set method in autotest

Best Python code snippet using autotest_python

test_expectations_editor.py

Source:test_expectations_editor.py

1#!/usr/bin/env python2# Copyright (C) 2010 Google Inc. All rights reserved.3#4# Redistribution and use in source and binary forms, with or without5# modification, are permitted provided that the following conditions are6# met:7#8#     * Redistributions of source code must retain the above copyright9# notice, this list of conditions and the following disclaimer.10#     * Redistributions in binary form must reproduce the above11# copyright notice, this list of conditions and the following disclaimer12# in the documentation and/or other materials provided with the13# distribution.14#     * Neither the name of Google Inc. nor the names of its15# contributors may be used to endorse or promote products derived from16# this software without specific prior written permission.17#18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR21# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT22# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,23# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT24# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE28# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.29"""A helper class for reading in and dealing with tests expectations30for layout tests.31"""32import itertools33import json34import logging35import re36from webkitpy.layout_tests.models.test_configuration import TestConfiguration, TestConfigurationConverter37from webkitpy.layout_tests.models import test_expectations38_log = logging.getLogger(__name__)39class BugManager(object):40    """A simple interface for managing bugs from TestExpectationsEditor."""41    def close_bug(self, bug_ids, reference_bug_ids=None):42        raise NotImplementedError("BugManager.close_bug")43    def create_bug(self):44        """Should return a newly created bug id in the form of r"BUG[^\d].*"."""45        raise NotImplementedError("BugManager.create_bug")46class TestExpectationsEditor(object):47    """48    The editor assumes that the expectation data is error-free.49    """50    def __init__(self, expectation_lines, bug_manager):51        self._bug_manager = bug_manager52        self._expectation_lines = expectation_lines53        self._tests_with_directory_paths = set()54        # FIXME: Unify this with TestExpectationsModel.55        self._test_to_expectation_lines = {}56        for expectation_line in expectation_lines:57            for test in expectation_line.matching_tests:58                if test == expectation_line.path:59                    self._test_to_expectation_lines.setdefault(test, []).append(expectation_line)60                else:61                    self._tests_with_directory_paths.add(test)62    def remove_expectation(self, test, test_config_set, remove_flakes=False):63        """Removes existing expectations for {test} in the of test configurations {test_config_set}.64        If the test is flaky, the expectation is not removed, unless remove_flakes is True.65        In this context, removing expectations does not imply that the test is passing -- we are merely removing66        any information about this test from the expectations.67        We do not remove the actual expectation lines here. Instead, we adjust TestExpectationLine.matching_configurations.68        The serializer will figure out what to do:69        * An empty matching_configurations set means that the this line matches nothing and will serialize as None.70        * A matching_configurations set that can't be expressed as one line will be serialized as multiple lines.71        Also, we do only adjust matching_configurations for lines that match tests exactly, because expectation lines with72        better path matches are valid and always win.73        For example, the expectation with the path "fast/events/shadow/" will74        be ignored when removing expectations for the test "fast/event/shadow/awesome-crash.html", since we can just75        add a new expectation line for "fast/event/shadow/awesome-crash.html" to influence expected results.76        """77        expectation_lines = self._test_to_expectation_lines.get(test, [])78        for expectation_line in expectation_lines:79            if (not expectation_line.is_flaky() or remove_flakes) and expectation_line.matching_configurations & test_config_set:80                expectation_line.matching_configurations = expectation_line.matching_configurations - test_config_set81                if not expectation_line.matching_configurations:82                    self._bug_manager.close_bug(expectation_line.parsed_bug_modifiers)83                return84    def update_expectation(self, test, test_config_set, expectation_set, parsed_bug_modifiers=None):85        """Updates expectations for {test} in the set of test configuration {test_config_set} to the values of {expectation_set}.86        If {parsed_bug_modifiers} is supplied, it is used for updated expectations. Otherwise, a new bug is created.87        Here, we treat updating expectations to PASS as special: if possible, the corresponding lines are completely removed.88        """89        # FIXME: Allow specifying modifiers (SLOW, SKIP, WONTFIX).90        updated_expectations = []91        expectation_lines = self._test_to_expectation_lines.get(test, [])92        remaining_configurations = test_config_set.copy()93        bug_ids = self._get_valid_bug_ids(parsed_bug_modifiers)94        new_expectation_line_insertion_point = len(self._expectation_lines)95        remove_expectations = expectation_set == set([test_expectations.PASS]) and test not in self._tests_with_directory_paths96        for expectation_line in expectation_lines:97            if expectation_line.matching_configurations == remaining_configurations:98                # Tweak expectations on existing line.99                if expectation_line.parsed_expectations == expectation_set:100                    return updated_expectations101                self._bug_manager.close_bug(expectation_line.parsed_bug_modifiers, bug_ids)102                updated_expectations.append(expectation_line)103                if remove_expectations:104                    expectation_line.matching_configurations = set()105                else:106                    expectation_line.parsed_expectations = expectation_set107                    expectation_line.parsed_bug_modifiers = bug_ids108                return updated_expectations109            elif expectation_line.matching_configurations >= remaining_configurations:110                # 1) Split up into two expectation lines:111                # * one with old expectations (existing expectation_line)112                # * one with new expectations (new expectation_line)113                # 2) Finish looking, since there will be no more remaining configs to test for.114                expectation_line.matching_configurations -= remaining_configurations115                updated_expectations.append(expectation_line)116                new_expectation_line_insertion_point = self._expectation_lines.index(expectation_line) + 1117                break118            elif expectation_line.matching_configurations <= remaining_configurations:119                # Remove existing expectation line.120                self._bug_manager.close_bug(expectation_line.parsed_bug_modifiers, bug_ids)121                expectation_line.matching_configurations = set()122                updated_expectations.append(expectation_line)123            else:124                intersection = expectation_line.matching_configurations & remaining_configurations125                if intersection:126                    expectation_line.matching_configurations -= intersection127                    updated_expectations.append(expectation_line)128            new_expectation_line_insertion_point = self._expectation_lines.index(expectation_line) + 1129        if not remove_expectations:130            new_expectation_line = self._create_new_line(test, bug_ids, remaining_configurations, expectation_set)131            updated_expectations.append(new_expectation_line)132            self._expectation_lines.insert(new_expectation_line_insertion_point, new_expectation_line)133        return updated_expectations134    def _get_valid_bug_ids(self, suggested_bug_ids):135        # FIXME: Flesh out creating a bug properly (title, etc.)136        return suggested_bug_ids or [self._bug_manager.create_bug()]137    def _create_new_line(self, name, bug_ids, config_set, expectation_set):138        new_line = test_expectations.TestExpectationLine()139        new_line.name = name140        new_line.parsed_bug_modifiers = bug_ids141        new_line.matching_configurations = config_set142        new_line.parsed_expectations = expectation_set143        # Ensure index integrity for multiple operations.144        self._test_to_expectation_lines.setdefault(name, []).append(new_line)...

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