| # |
| # 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 util.py.""" |
| from __future__ import absolute_import |
| |
| import unittest |
| |
| from apache_beam.io.gcp.datastore.v1 import util |
| |
| |
| class MovingSumTest(unittest.TestCase): |
| |
| TIMESTAMP = 1500000000 |
| |
| def test_bad_bucket_size(self): |
| with self.assertRaises(ValueError): |
| _ = util.MovingSum(1, 0) |
| |
| def test_bad_window_size(self): |
| with self.assertRaises(ValueError): |
| _ = util.MovingSum(1, 2) |
| |
| def test_no_data(self): |
| ms = util.MovingSum(10, 1) |
| self.assertEqual(0, ms.sum(MovingSumTest.TIMESTAMP)) |
| self.assertEqual(0, ms.count(MovingSumTest.TIMESTAMP)) |
| self.assertFalse(ms.has_data(MovingSumTest.TIMESTAMP)) |
| |
| def test_one_data_point(self): |
| ms = util.MovingSum(10, 1) |
| ms.add(MovingSumTest.TIMESTAMP, 5) |
| self.assertEqual(5, ms.sum(MovingSumTest.TIMESTAMP)) |
| self.assertEqual(1, ms.count(MovingSumTest.TIMESTAMP)) |
| self.assertTrue(ms.has_data(MovingSumTest.TIMESTAMP)) |
| |
| def test_aggregates_within_window(self): |
| ms = util.MovingSum(10, 1) |
| ms.add(MovingSumTest.TIMESTAMP, 5) |
| ms.add(MovingSumTest.TIMESTAMP+1, 3) |
| ms.add(MovingSumTest.TIMESTAMP+2, 7) |
| self.assertEqual(15, ms.sum(MovingSumTest.TIMESTAMP+3)) |
| self.assertEqual(3, ms.count(MovingSumTest.TIMESTAMP+3)) |
| |
| def test_data_expires_from_moving_window(self): |
| ms = util.MovingSum(5, 1) |
| ms.add(MovingSumTest.TIMESTAMP, 5) |
| ms.add(MovingSumTest.TIMESTAMP+3, 3) |
| ms.add(MovingSumTest.TIMESTAMP+6, 7) |
| self.assertEqual(10, ms.sum(MovingSumTest.TIMESTAMP+7)) |
| self.assertEqual(2, ms.count(MovingSumTest.TIMESTAMP+7)) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |