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windowed_value_test.py
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168 lines (140 loc) · 6.26 KB
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#
# 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 the windowed_value."""
# pytype: skip-file
import copy
import itertools
import pickle
import unittest
from parameterized import parameterized
from parameterized import parameterized_class
from apache_beam.utils import windowed_value
from apache_beam.utils.timestamp import Timestamp
class WindowedValueTest(unittest.TestCase):
def test_timestamps(self):
wv = windowed_value.WindowedValue(None, 3, ())
self.assertEqual(wv.timestamp, Timestamp.of(3))
self.assertTrue(wv.timestamp is wv.timestamp)
self.assertEqual(
windowed_value.WindowedValue(None, -2.5, ()).timestamp,
Timestamp.of(-2.5))
def test_with_value(self):
pane_info = windowed_value.PaneInfo(
True, True, windowed_value.PaneInfoTiming.ON_TIME, 0, 0)
wv = windowed_value.WindowedValue(1, 3, (), pane_info)
self.assertEqual(
wv.with_value(10), windowed_value.WindowedValue(10, 3, (), pane_info))
def test_equality(self):
self.assertEqual(
windowed_value.WindowedValue(1, 3, ()),
windowed_value.WindowedValue(1, 3, ()))
self.assertNotEqual(
windowed_value.WindowedValue(1, 3, ()),
windowed_value.WindowedValue(100, 3, ()))
self.assertNotEqual(
windowed_value.WindowedValue(1, 3, ()),
windowed_value.WindowedValue(1, 300, ()))
self.assertNotEqual(
windowed_value.WindowedValue(1, 3, ()),
windowed_value.WindowedValue(1, 300, ((), )))
self.assertNotEqual(windowed_value.WindowedValue(1, 3, ()), object())
def test_hash(self):
wv = windowed_value.WindowedValue(1, 3, ())
wv_copy = copy.copy(wv)
self.assertFalse(wv is wv_copy)
self.assertEqual({wv: 100}.get(wv_copy), 100)
def test_pickle(self):
pane_info = windowed_value.PaneInfo(
True, True, windowed_value.PaneInfoTiming.ON_TIME, 0, 0)
wv = windowed_value.WindowedValue(1, 3, (), pane_info)
self.assertTrue(pickle.loads(pickle.dumps(wv)) == wv)
WINDOWED_BATCH_INSTANCES = [
windowed_value.HomogeneousWindowedBatch.of(
None, 3, (), windowed_value.PANE_INFO_UNKNOWN),
windowed_value.HomogeneousWindowedBatch.of(
None,
3, (),
windowed_value.PaneInfo(
True, False, windowed_value.PaneInfoTiming.ON_TIME, 0, 0)),
]
class WindowedBatchTest(unittest.TestCase):
def test_homogeneous_windowed_batch_with_values(self):
pane_info = windowed_value.PaneInfo(
True, True, windowed_value.PaneInfoTiming.ON_TIME, 0, 0)
wb = windowed_value.HomogeneousWindowedBatch.of(['foo', 'bar'],
6, (),
pane_info)
self.assertEqual(
wb.with_values(['baz', 'foo']),
windowed_value.HomogeneousWindowedBatch.of(['baz', 'foo'],
6, (),
pane_info))
def test_homogeneous_windowed_batch_as_windowed_values(self):
pane_info = windowed_value.PaneInfo(
True, True, windowed_value.PaneInfoTiming.ON_TIME, 0, 0)
wb = windowed_value.HomogeneousWindowedBatch.of(['foo', 'bar'],
3, (),
pane_info)
self.assertEqual(
list(wb.as_windowed_values(iter)),
[
windowed_value.WindowedValue('foo', 3, (), pane_info),
windowed_value.WindowedValue('bar', 3, (), pane_info)
])
@parameterized.expand(itertools.combinations(WINDOWED_BATCH_INSTANCES, 2))
def test_inequality(self, left_wb, right_wb):
self.assertNotEqual(left_wb, right_wb)
def test_equals_different_type(self):
wb = windowed_value.HomogeneousWindowedBatch.of(
None, 3, (), windowed_value.PANE_INFO_UNKNOWN)
self.assertNotEqual(wb, object())
def test_homogeneous_from_windowed_values(self):
pane_info = windowed_value.PaneInfo(
True, True, windowed_value.PaneInfoTiming.ON_TIME, 0, 0)
windowed_values = [
windowed_value.WindowedValue('foofoo', 3, (), pane_info),
windowed_value.WindowedValue('foobar', 6, (), pane_info),
windowed_value.WindowedValue('foobaz', 9, (), pane_info),
windowed_value.WindowedValue('barfoo', 3, (), pane_info),
windowed_value.WindowedValue('barbar', 6, (), pane_info),
windowed_value.WindowedValue('barbaz', 9, (), pane_info),
windowed_value.WindowedValue('bazfoo', 3, (), pane_info),
windowed_value.WindowedValue('bazbar', 6, (), pane_info),
windowed_value.WindowedValue('bazbaz', 9, (), pane_info),
]
self.assertEqual(
list(
windowed_value.WindowedBatch.from_windowed_values(
windowed_values, produce_fn=list)),
[
windowed_value.HomogeneousWindowedBatch.of(
['foofoo', 'barfoo', 'bazfoo'], 3, (), pane_info),
windowed_value.HomogeneousWindowedBatch.of(
['foobar', 'barbar', 'bazbar'], 6, (), pane_info),
windowed_value.HomogeneousWindowedBatch.of(
['foobaz', 'barbaz', 'bazbaz'], 9, (), pane_info)
])
@parameterized_class(('wb', ), [(wb, ) for wb in WINDOWED_BATCH_INSTANCES])
class WindowedBatchUtilitiesTest(unittest.TestCase):
def test_hash(self):
wb_copy = copy.copy(self.wb)
self.assertFalse(self.wb is wb_copy)
self.assertEqual({self.wb: 100}.get(wb_copy), 100)
def test_pickle(self):
self.assertTrue(pickle.loads(pickle.dumps(self.wb)) == self.wb)
if __name__ == '__main__':
unittest.main()