Tools/Scripts/webkitpy/tool/commands/expectations.py

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from webkitpy.layout_tests.models.test_configuration import TestConfigurationConverter
from webkitpy.layout_tests.models.test_expectations import TestExpectationParser
from webkitpy.layout_tests.models.test_expectations import TestExpectations
from webkitpy.tool.multicommandtool import AbstractDeclarativeCommand


class OptimizeExpectations(AbstractDeclarativeCommand):
    name = "optimize-expectations"
    help_text = "Fixes simple style issues in test_expectations file.  (Currently works only for chromium port.)"

    def execute(self, options, args, tool):
        port = tool.port_factory.get("chromium-win-win7")  # FIXME: This should be selectable.
        parser = TestExpectationParser(port, [], allow_rebaseline_modifier=False)
        expectation_lines = parser.parse(port.test_expectations())
        converter = TestConfigurationConverter(port.all_test_configurations(), port.configuration_specifier_macros())
        tool.filesystem.write_text_file(port.path_to_test_expectations_file(), TestExpectations.list_to_string(expectation_lines, converter))