| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # 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 |
| # (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 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| """Tests for the various custom Count implementation examples.""" |
| |
| from __future__ import absolute_import |
| |
| import logging |
| import unittest |
| |
| import apache_beam as beam |
| from apache_beam.examples.cookbook import custom_ptransform |
| 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 CustomCountTest(unittest.TestCase): |
| |
| def test_count1(self): |
| self.run_pipeline(custom_ptransform.Count1()) |
| |
| def test_count2(self): |
| self.run_pipeline(custom_ptransform.Count2()) |
| |
| def test_count3(self): |
| factor = 2 |
| self.run_pipeline(custom_ptransform.Count3(factor), factor=factor) |
| |
| def run_pipeline(self, count_implementation, factor=1): |
| with TestPipeline() as p: |
| words = p | beam.Create(['CAT', 'DOG', 'CAT', 'CAT', 'DOG']) |
| result = words | count_implementation |
| assert_that( |
| result, equal_to([('CAT', (3 * factor)), ('DOG', (2 * factor))])) |
| |
| |
| if __name__ == '__main__': |
| logging.getLogger().setLevel(logging.INFO) |
| unittest.main() |