sdks/python/apache_beam/coders/slow_coders_test.py

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# The ASF licenses this file to You under the Apache License, Version 2.0
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#
#    http://www.apache.org/licenses/LICENSE-2.0
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"""Unit tests for uncompiled implementation of coder impls."""
# pytype: skip-file

from __future__ import absolute_import

import logging
import unittest

# Run all the standard coder test cases.
from apache_beam.coders.coders_test_common import *


class SlowCoders(unittest.TestCase):
  def test_using_slow_impl(self):
    try:
      # pylint: disable=wrong-import-position
      # pylint: disable=unused-import
      from Cython.Build import cythonize
      self.skipTest('Found cython, cannot test non-compiled implementation.')
    except ImportError:
      # Assert that we are not using the compiled implementation.
      with self.assertRaises(ImportError):
        # pylint: disable=wrong-import-order, wrong-import-position
        # pylint: disable=unused-import
        import apache_beam.coders.stream


if __name__ == '__main__':
  logging.getLogger().setLevel(logging.INFO)
  unittest.main()