| # |
| # 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 testing utilities.""" |
| |
| from __future__ import absolute_import |
| |
| import unittest |
| |
| from apache_beam import Create |
| from apache_beam.testing.test_pipeline import TestPipeline |
| from apache_beam.testing.util import TestWindowedValue |
| from apache_beam.testing.util import assert_that |
| from apache_beam.testing.util import equal_to |
| from apache_beam.testing.util import is_empty |
| from apache_beam.transforms.window import GlobalWindow |
| from apache_beam.transforms.window import IntervalWindow |
| from apache_beam.utils.timestamp import MIN_TIMESTAMP |
| |
| |
| class UtilTest(unittest.TestCase): |
| |
| def test_assert_that_passes(self): |
| with TestPipeline() as p: |
| assert_that(p | Create([1, 2, 3]), equal_to([1, 2, 3])) |
| |
| def test_assert_that_passes_empty_equal_to(self): |
| with TestPipeline() as p: |
| assert_that(p | Create([]), equal_to([])) |
| |
| def test_assert_that_passes_empty_is_empty(self): |
| with TestPipeline() as p: |
| assert_that(p | Create([]), is_empty()) |
| |
| def test_assert_that_fails(self): |
| with self.assertRaises(Exception): |
| with TestPipeline() as p: |
| assert_that(p | Create([1, 10, 100]), equal_to([1, 2, 3])) |
| |
| def test_reified_value_passes(self): |
| expected = [TestWindowedValue(v, MIN_TIMESTAMP, [GlobalWindow()]) |
| for v in [1, 2, 3]] |
| with TestPipeline() as p: |
| assert_that(p | Create([2, 3, 1]), equal_to(expected), reify_windows=True) |
| |
| def test_reified_value_assert_fail_unmatched_value(self): |
| expected = [TestWindowedValue(v + 1, MIN_TIMESTAMP, [GlobalWindow()]) |
| for v in [1, 2, 3]] |
| with self.assertRaises(Exception): |
| with TestPipeline() as p: |
| assert_that(p | Create([2, 3, 1]), equal_to(expected), |
| reify_windows=True) |
| |
| def test_reified_value_assert_fail_unmatched_timestamp(self): |
| expected = [TestWindowedValue(v, 1, [GlobalWindow()]) |
| for v in [1, 2, 3]] |
| with self.assertRaises(Exception): |
| with TestPipeline() as p: |
| assert_that(p | Create([2, 3, 1]), equal_to(expected), |
| reify_windows=True) |
| |
| def test_reified_value_assert_fail_unmatched_window(self): |
| expected = [TestWindowedValue(v, MIN_TIMESTAMP, [IntervalWindow(0, 1)]) |
| for v in [1, 2, 3]] |
| with self.assertRaises(Exception): |
| with TestPipeline() as p: |
| assert_that(p | Create([2, 3, 1]), equal_to(expected), |
| reify_windows=True) |
| |
| def test_assert_that_fails_on_empty_input(self): |
| with self.assertRaises(Exception): |
| with TestPipeline() as p: |
| assert_that(p | Create([]), equal_to([1, 2, 3])) |
| |
| def test_assert_that_fails_on_empty_expected(self): |
| with self.assertRaises(Exception): |
| with TestPipeline() as p: |
| assert_that(p | Create([1, 2, 3]), is_empty()) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |