recipes/flutter/coverage.py

# Copyright 2022 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

DEPS = [
    'depot_tools/gsutil',
    'flutter/flutter_deps',
    'flutter/repo_util',
    'recipe_engine/context',
    'recipe_engine/path',
    'recipe_engine/properties',
    'recipe_engine/step',
]


def RunSteps(api):
  """Recipe to collect coverage used by the flutter tool."""
  checkout_path = api.path['start_dir'].join('flutter sdk')
  with api.step.nest('checkout source code'):
    api.repo_util.checkout(
        'flutter',
        checkout_path=checkout_path,
        url=api.properties.get('git_url'),
        ref=api.properties.get('git_ref')
    )

  env, env_prefixes = api.repo_util.flutter_environment(checkout_path)
  api.flutter_deps.required_deps(
      env, env_prefixes, api.properties.get('dependencies', [])
  )

  packages_path = checkout_path.join('packages', 'flutter')
  with api.context(env=env, env_prefixes=env_prefixes, cwd=packages_path):
    with api.step.nest('prepare environment'), api.step.defer_results():
      api.step(
          'flutter doctor',
          ['flutter', 'doctor'],
      )
      api.step(
          'download dependencies',
          ['flutter', 'update-packages'],
          infra_step=True,
      )

    api.step(
        'flutter coverage',
        ['flutter', 'test', '--coverage', '-j', '1'],
    )
    lcov_path = packages_path.join('coverage', 'lcov.info')
    api.gsutil.upload(
          bucket='flutter_infra_release',
          source=lcov_path,
          dest='flutter/coverage/lcov.info',
          link_name='lcov.info',
          multithreaded=True,
          name='upload lcov.info',
          unauthenticated_url=True
      )


def GenTests(api):
  yield api.test(
      'coverage',
      api.repo_util.flutter_environment_data()
  )