#
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# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
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"""Test for the coders example."""

# pytype: skip-file

from __future__ import absolute_import

import logging
import unittest

import apache_beam as beam
from apache_beam.examples.cookbook import coders
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 CodersTest(unittest.TestCase):

  SAMPLE_RECORDS = [{
      'host': ['Germany', 1], 'guest': ['Italy', 0]
  }, {
      'host': ['Germany', 1], 'guest': ['Brasil', 3]
  }, {
      'host': ['Brasil', 1], 'guest': ['Italy', 0]
  }]

  def test_compute_points(self):
    with TestPipeline() as p:
      records = p | 'create' >> beam.Create(self.SAMPLE_RECORDS)
      result = (
          records
          | 'points' >> beam.FlatMap(coders.compute_points)
          | beam.CombinePerKey(sum))
      assert_that(
          result, equal_to([('Italy', 0), ('Brasil', 6), ('Germany', 3)]))


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