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"""Unit tests for flink_streaming_impulse_source."""
# pytype: skip-file

from __future__ import absolute_import

import logging
import unittest

import apache_beam as beam
from apache_beam.io.flink.flink_streaming_impulse_source import FlinkStreamingImpulseSource


class FlinkStreamingImpulseSourceTest(unittest.TestCase):
  def test_serialization(self):
    p = beam.Pipeline()
    # pylint: disable=expression-not-assigned
    p | FlinkStreamingImpulseSource()
    # Test that roundtrip through Runner API works
    beam.Pipeline.from_runner_api(p.to_runner_api(), p.runner, p._options)


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