| # |
| # 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. |
| # |
| |
| """Unit tests for side inputs.""" |
| |
| # pytype: skip-file |
| |
| import logging |
| import unittest |
| |
| import apache_beam as beam |
| 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 KeywordOnlyArgsTests(unittest.TestCase): |
| def test_side_input_keyword_only_args(self): |
| with TestPipeline() as pipeline: |
| |
| def sort_with_side_inputs(x, *s, reverse=False): |
| for y in s: |
| yield sorted([x] + y, reverse=reverse) |
| |
| def sort_with_side_inputs_without_default_values(x, *s, reverse): |
| for y in s: |
| yield sorted([x] + y, reverse=reverse) |
| |
| pcol = pipeline | 'start' >> beam.Create([1, 2]) |
| side = pipeline | 'side' >> beam.Create([3, 4]) # 2 values in side input. |
| result1 = pcol | 'compute1' >> beam.FlatMap( |
| sort_with_side_inputs, beam.pvalue.AsList(side), reverse=True) |
| assert_that(result1, equal_to([[4, 3, 1], [4, 3, 2]]), label='assert1') |
| |
| result2 = pcol | 'compute2' >> beam.FlatMap( |
| sort_with_side_inputs, beam.pvalue.AsList(side)) |
| assert_that(result2, equal_to([[1, 3, 4], [2, 3, 4]]), label='assert2') |
| |
| result3 = pcol | 'compute3' >> beam.FlatMap(sort_with_side_inputs) |
| assert_that(result3, equal_to([]), label='assert3') |
| |
| result4 = pcol | 'compute4' >> beam.FlatMap( |
| sort_with_side_inputs, reverse=True) |
| assert_that(result4, equal_to([]), label='assert4') |
| |
| result5 = pcol | 'compute5' >> beam.FlatMap( |
| sort_with_side_inputs_without_default_values, |
| beam.pvalue.AsList(side), |
| reverse=True) |
| assert_that(result5, equal_to([[4, 3, 1], [4, 3, 2]]), label='assert5') |
| |
| result6 = pcol | 'compute6' >> beam.FlatMap( |
| sort_with_side_inputs_without_default_values, |
| beam.pvalue.AsList(side), |
| reverse=False) |
| assert_that(result6, equal_to([[1, 3, 4], [2, 3, 4]]), label='assert6') |
| |
| result7 = pcol | 'compute7' >> beam.FlatMap( |
| sort_with_side_inputs_without_default_values, reverse=False) |
| assert_that(result7, equal_to([]), label='assert7') |
| |
| result8 = pcol | 'compute8' >> beam.FlatMap( |
| sort_with_side_inputs_without_default_values, reverse=True) |
| assert_that(result8, equal_to([]), label='assert8') |
| |
| def test_combine_keyword_only_args(self): |
| with TestPipeline() as pipeline: |
| |
| def bounded_sum(values, *s, bound=500): |
| return min(sum(values) + sum(s), bound) |
| |
| def bounded_sum_without_default_values(values, *s, bound): |
| return min(sum(values) + sum(s), bound) |
| |
| pcoll = pipeline | 'start' >> beam.Create([6, 3, 1]) |
| result1 = pcoll | 'sum1' >> beam.CombineGlobally( |
| bounded_sum, 5, 8, bound=20) |
| result2 = pcoll | 'sum2' >> beam.CombineGlobally(bounded_sum, 0, 0) |
| result3 = pcoll | 'sum3' >> beam.CombineGlobally(bounded_sum) |
| result4 = pcoll | 'sum4' >> beam.CombineGlobally(bounded_sum, bound=5) |
| result5 = pcoll | 'sum5' >> beam.CombineGlobally( |
| bounded_sum_without_default_values, 5, 8, bound=20) |
| result6 = pcoll | 'sum6' >> beam.CombineGlobally( |
| bounded_sum_without_default_values, 0, 0, bound=500) |
| result7 = pcoll | 'sum7' >> beam.CombineGlobally( |
| bounded_sum_without_default_values, bound=500) |
| result8 = pcoll | 'sum8' >> beam.CombineGlobally( |
| bounded_sum_without_default_values, bound=5) |
| |
| assert_that(result1, equal_to([20]), label='assert1') |
| assert_that(result2, equal_to([10]), label='assert2') |
| assert_that(result3, equal_to([10]), label='assert3') |
| assert_that(result4, equal_to([5]), label='assert4') |
| assert_that(result5, equal_to([20]), label='assert5') |
| assert_that(result6, equal_to([10]), label='assert6') |
| assert_that(result7, equal_to([10]), label='assert7') |
| assert_that(result8, equal_to([5]), label='assert8') |
| |
| def test_do_fn_keyword_only_args(self): |
| with TestPipeline() as pipeline: |
| |
| class MyDoFn(beam.DoFn): |
| def process(self, element, *s, bound=500): |
| return [min(sum(s) + element, bound)] |
| |
| pcoll = pipeline | 'start' >> beam.Create([6, 3, 1]) |
| result1 = pcoll | 'sum1' >> beam.ParDo(MyDoFn(), 5, 8, bound=15) |
| result2 = pcoll | 'sum2' >> beam.ParDo(MyDoFn(), 5, 8) |
| result3 = pcoll | 'sum3' >> beam.ParDo(MyDoFn()) |
| result4 = pcoll | 'sum4' >> beam.ParDo(MyDoFn(), bound=5) |
| |
| assert_that(result1, equal_to([15, 15, 14]), label='assert1') |
| assert_that(result2, equal_to([19, 16, 14]), label='assert2') |
| assert_that(result3, equal_to([6, 3, 1]), label='assert3') |
| assert_that(result4, equal_to([5, 3, 1]), label='assert4') |
| |
| |
| if __name__ == '__main__': |
| logging.getLogger().setLevel(logging.DEBUG) |
| unittest.main() |