cq/scripts/slave/step/ota_build_tests_step.py

"""Build step class for building OTA tests.."""

from __future__ import absolute_import
from slave import base_step
from slave.step import ota_step


class OtaBuildTestsStep(ota_step.OtaStep):
  """Build step class for building OTA tests."""

  def __init__(self, build_name, board_name=None, **kwargs):
    """Creates a OtaBuildTestsStep instance.

    Args:
      build_name: Name of build (e.g. anchovy-eng, tvdefault-eng)
      board_name: optional BOARD_NAME param for make if any.
      **kwargs: Any additional args to pass to BaseStep.
    """
    ota_step.OtaStep.__init__(self, build_name=build_name,
                              name='build ota tests',
                              board_name=board_name, **kwargs)

  def run(self):
    """Builds ota tests.

    Returns:
      True iff there were no errors.
    """
    # Because the out/host directory is shared, the host tests can fail if
    # the intermediate artifacts are not cleared and rebuilt correctly. Force
    # all of out/hosts to get rebuilt everytime by clearing out/host entirely.
    command = ['rm', '-rf', 'out/host']
    self.exec_subprocess(command)

    command = ['make',
               '-j{}'.format(self.get_num_jobs(
                   multiplier=ota_step.BUILD_ACCELERATION_JOB_MULTIPLIER)),
               'PRODUCT-' + self._build_name,
               'tests-build-target',
               'DISABLE_AUTO_INSTALLCLEAN=true']
    command += self.build_accelerator.make_flags
    command += self._make_extra_flags()

    returncode, stdout, stderr = self.exec_subprocess(
        command, env=self.make_command_env())

    if returncode != 0:
      self._error_processor(stdout, stderr)

    return returncode == 0