testing/scripts/metrics_python_tests.py

#!/usr/bin/env vpython3
# Copyright 2021 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Runs //tools/metrics/metrics_python_tests.py as a 'script' test."""

import json
import os
import sys

import common


def main_run(args):
  with common.temporary_file() as tempfile_path:
    rc = common.run_command(
      [
        'vpython3',
        os.path.join(common.SRC_DIR, 'testing', 'test_env.py'),
        os.path.join(
          common.SRC_DIR, 'tools', 'metrics', 'metrics_python_tests.py'
        ),
        '--isolated-script-test-output',
        tempfile_path,
        '--skip-set-lpac-acls=1',
      ],
      cwd=args.build_dir,
    )

    with open(tempfile_path) as f:
      isolated_results = json.load(f)

  results = common.parse_common_test_results(
    isolated_results, test_separator='.'
  )

  failures = [
    '%s: %s' % (k, v) for k, v in results['unexpected_failures'].items()
  ]

  # No need to call common.record_local_script_results() since this test
  # uploads individual results to RDB itself.
  local_script_results = {'valid': True, 'failures': failures}
  with open(args.output.name, 'w') as fd:
    json.dump(local_script_results, fd)

  return rc


def main_compile_targets(args):
  json.dump([], args.output)


if __name__ == '__main__':
  funcs = {
    'run': main_run,
    'compile_targets': main_compile_targets,
  }
  sys.exit(common.run_script(sys.argv[1:], funcs))