# coding=utf-8
#
# Licensed to the Apache Software Foundation (ASF) under one or more
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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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# pytype: skip-file

import unittest

import mock

from apache_beam.examples.snippets.util import assert_matches_stdout
from apache_beam.testing.test_pipeline import TestPipeline

from . import window


def check_window(actual):
  expected = '''[START flatten_result]
('Strawberry', 1)
('Strawberry', 1)
('Carrot', 1)
('Artichoke', 2)
('Tomato', 1)
('Potato', 1)
[END flatten_result]'''.splitlines()[1:-1]
  assert_matches_stdout(actual, expected)


@mock.patch('apache_beam.Pipeline', TestPipeline)
@mock.patch('apache_beam.examples.snippets.transforms.other.window.print', str)
class WindowTest(unittest.TestCase):
  def test_window(self):
    window.window(check_window)


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