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"""Pytest configuration and custom hooks."""

import sys

from apache_beam.options import pipeline_options
from apache_beam.testing.test_pipeline import TestPipeline

MAX_SUPPORTED_PYTHON_VERSION = (3, 8)


def pytest_addoption(parser):
  parser.addoption(
      '--test-pipeline-options',
      help='Options to use in test pipelines. NOTE: Tests may '
      'ignore some or all of these options.')


# See pytest.ini for main collection rules.
collect_ignore_glob = [
    '*_py3%d.py' % minor for minor in range(
        sys.version_info.minor + 1, MAX_SUPPORTED_PYTHON_VERSION[1] + 1)
]


def pytest_configure(config):
  """Saves options added in pytest_addoption for later use.
  This is necessary since pytest-xdist workers do not have the same sys.argv as
  the main pytest invocation. xdist does seem to pickle TestPipeline
  """
  TestPipeline.pytest_test_pipeline_options = config.getoption(
      'test_pipeline_options', default='')
  # Enable optional type checks on all tests.
  pipeline_options.enable_all_additional_type_checks()