sdks/python/test_config.py

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"""Test configurations for nose

This module contains nose plugin hooks that configures Beam tests which
includes ValidatesRunner test and E2E integration test.

"""

from __future__ import absolute_import

from nose.plugins import Plugin


class BeamTestPlugin(Plugin):
  """A nose plugin for Beam testing that registers command line options

  This plugin is registered through setuptools in entry_points.
  """

  def options(self, parser, env):
    """Add '--test-pipeline-options' to command line option to avoid
    unrecognized option error thrown by nose.

    The value of this option will be processed by TestPipeline and used to
    build customized pipeline for ValidatesRunner tests.
    """
    parser.add_option('--test-pipeline-options',
                      action='store',
                      type=str,
                      help='providing pipeline options to run tests on runner')