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# Copyright 2022 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""This presubmit ensures that all known test suites in the current component
are included in the launcher filter file."""
from typing import Dict, List
TOOL_PATH = 'tools/testing/launcher_filter_file.py'
def GetToolPathRelativeToRepositoryRoot(input_api) -> str:
# Returns the path to the launcher_filter_file.py tool, relative to the
# chromium src directory to simplify copy-paste of a command on errors.
presubmit_local_path = input_api.PresubmitLocalPath()
repository_root = input_api.change.RepositoryRoot()
common_path = input_api.os_path.commonpath(
[repository_root, presubmit_local_path])
component_relative_path = presubmit_local_path[len(common_path) + 1:]
return input_api.os_path.join(component_relative_path, TOOL_PATH)
def FetchLauncherFilterFileData(input_api, cwd: str) -> Dict[str, str]:
# Fetches the actual and expected filter file content so they can be
# compared. Returns a dictionary that contains 'expected' and 'actual' as
# comparable strings.
try:
old_sys_path = input_api.sys.path
cwd = input_api.PresubmitLocalPath()
input_api.sys.path += [input_api.os_path.join(cwd, 'tools')]
from testing import launcher_filter_file as lff
ret = {}
ret['expected'] = lff.GetExpectedLauncherFilterFileContent()
ret['actual'] = lff.GetActualLauncherFilterFileContent()
return ret
finally:
input_api.sys.path = old_sys_path
def GetPylintConfiguration(input_api, output_api) -> List:
disabled_warnings = [
'C0415', # import-outside-toplevel
]
return input_api.canned_checks.RunPylint(
input_api,
output_api,
version='2.7',
disabled_warnings=disabled_warnings)
def _CommonChecks(input_api, output_api):
output = GetPylintConfiguration(input_api, output_api)
cwd = input_api.PresubmitLocalPath()
tool_help_path = GetToolPathRelativeToRepositoryRoot(input_api)
filter_file_data = FetchLauncherFilterFileData(input_api, cwd)
if filter_file_data['expected'] == filter_file_data['actual']:
return output
output.append(
output_api.PresubmitPromptWarning(
'The test launcher filter file does not match the ' +
f'available tests.\n\nPlease run:\n{tool_help_path}', []))
return output
def CheckChangeOnUpload(*args):
return _CommonChecks(*args)
def CheckChangeOnCommit(*args):
return _CommonChecks(*args)
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