recipes/recipes/luci-test.py

PYTHON_VERSION_COMPATIBILITY = "PY3"

DEPS = [
  'depot_tools/bot_update',
  'depot_tools/gclient',
  'recipe_engine/buildbucket',
  'recipe_engine/context',
  'recipe_engine/path',
]

# Check out the change and run the tests to verify the change as part of Change
# Verification (ie. CQ label).
def RunSteps(api):
  cl = api.buildbucket.build.input.gerrit_changes[0]

  gs_suffix = '-review.googlesource.com'
  host = cl.host
  if host.endswith(gs_suffix):
    host = '%s.googlesource.com' % host[:-len(gs_suffix)]

  gclient_config = api.gclient.make_config()
  s = gclient_config.solutions.add()
  s.url = 'https://%s/%s' % (host, cl.project)
  # name is the subfolder under api.path['cache'].join('builder') the
  # repo will be checked out at. For simplicity, I've picked `src`.
  #
  # Note that gclient (and by extension, bot_update), allow for complicated
  # multi-repo layouts and dependency inclusion (via "DEPS" files). There are
  # other repo management tools and techniques available, but this one is what
  # chrome currently uses and is tuned to have reasonable performance by default
  # via caches.
  s.name = 'src'
  gclient_config.got_revision_mapping[s.name] = 'got_revision'

  with api.context(cwd=api.path['cache'].join('builder')):
    update_result = api.bot_update.ensure_checkout(
        gclient_config=gclient_config)

  # At this point the code for the Gerrit CL is checked out at
  # `api.path['cache'].join('builder')`, which by default is preserved locally
  # on the bot machine and re-used between different builds for the same
  # builder.

  # TODO(frankborden): perform $ npm run test

# Test the recipe and generate the expect json file.
def GenTests(api):
  yield api.test(
    'basic',
    # These are just to make the JSON expectation file data look closer to
    # reality. Project and git_repo will be filled in "for real" by the LUCI
    # Change Verifier service when it creates your build.
    api.buildbucket.try_build(
      project="gerrit",
      git_repo="https://gerrit.googlesource.com/luci-test",
    ),
  )