/*
* 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.
*/
package org.apache.beam.sdk.transforms.windowing;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import org.apache.beam.sdk.coders.Coder;
import org.apache.beam.sdk.testing.CoderProperties;
import org.apache.beam.sdk.transforms.windowing.PaneInfo.Timing;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link PaneInfo}.
*/
@RunWith(JUnit4.class)
public class PaneInfoTest {
@Test
public void testInterned() throws Exception {
assertSame(
PaneInfo.createPane(true, true, Timing.EARLY),
PaneInfo.createPane(true, true, Timing.EARLY));
}
@Test
public void testEncodingRoundTrip() throws Exception {
Coder<PaneInfo> coder = PaneInfo.PaneInfoCoder.INSTANCE;
for (Timing timing : Timing.values()) {
long onTimeIndex = timing == Timing.EARLY ? -1 : 37;
CoderProperties.coderDecodeEncodeEqual(
coder, PaneInfo.createPane(false, false, timing, 389, onTimeIndex));
CoderProperties.coderDecodeEncodeEqual(
coder, PaneInfo.createPane(false, true, timing, 5077, onTimeIndex));
CoderProperties.coderDecodeEncodeEqual(
coder, PaneInfo.createPane(true, false, timing, 0, 0));
CoderProperties.coderDecodeEncodeEqual(
coder, PaneInfo.createPane(true, true, timing, 0, 0));
}
}
@Test
public void testEncodings() {
assertEquals("PaneInfo encoding assumes that there are only 4 Timing values.",
4, Timing.values().length);
assertEquals("PaneInfo encoding should remain the same.",
0x0, PaneInfo.createPane(false, false, Timing.EARLY, 1, -1).getEncodedByte());
assertEquals("PaneInfo encoding should remain the same.",
0x1, PaneInfo.createPane(true, false, Timing.EARLY).getEncodedByte());
assertEquals("PaneInfo encoding should remain the same.",
0x3, PaneInfo.createPane(true, true, Timing.EARLY).getEncodedByte());
assertEquals("PaneInfo encoding should remain the same.",
0x7, PaneInfo.createPane(true, true, Timing.ON_TIME).getEncodedByte());
assertEquals("PaneInfo encoding should remain the same.",
0xB, PaneInfo.createPane(true, true, Timing.LATE).getEncodedByte());
assertEquals("PaneInfo encoding should remain the same.",
0xF, PaneInfo.createPane(true, true, Timing.UNKNOWN).getEncodedByte());
}
}