sdks/python/apache_beam/examples/snippets/transforms/elementwise/keys_test.py

# coding=utf-8
#
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# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# 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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from __future__ import absolute_import
from __future__ import print_function

import unittest

import mock

from apache_beam.testing.test_pipeline import TestPipeline
from apache_beam.testing.util import assert_that
from apache_beam.testing.util import equal_to

from . import keys


def check_icons(actual):
  # [START icons]
  icons = [
      '🍓',
      '🥕',
      '🍆',
      '🍅',
      '🥔',
  ]
  # [END icons]
  assert_that(actual, equal_to(icons))


@mock.patch('apache_beam.Pipeline', TestPipeline)
# pylint: disable=line-too-long
@mock.patch('apache_beam.examples.snippets.transforms.elementwise.keys.print', lambda elem: elem)
# pylint: enable=line-too-long
class KeysTest(unittest.TestCase):
  def test_keys(self):
    keys.keys(check_icons)


if __name__ == '__main__':
  unittest.main()