sdks/python/apache_beam/examples/cookbook/bigquery_tornadoes_test.py

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#    http://www.apache.org/licenses/LICENSE-2.0
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"""Test for the BigQuery tornadoes example."""

# pytype: skip-file

import logging
import unittest

import apache_beam as beam
from apache_beam.examples.cookbook import bigquery_tornadoes
from apache_beam.testing.test_pipeline import TestPipeline
from apache_beam.testing.util import assert_that
from apache_beam.testing.util import equal_to


class BigQueryTornadoesTest(unittest.TestCase):
  def test_basics(self):
    with TestPipeline() as p:
      rows = (
          p | 'create' >> beam.Create([{
              'month': 1, 'day': 1, 'tornado': False
          }, {
              'month': 1, 'day': 2, 'tornado': True
          }, {
              'month': 1, 'day': 3, 'tornado': True
          }, {
              'month': 2, 'day': 1, 'tornado': True
          }]))
      results = bigquery_tornadoes.count_tornadoes(rows)
      assert_that(
          results,
          equal_to([{
              'month': 1, 'tornado_count': 2
          }, {
              'month': 2, 'tornado_count': 1
          }]))


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