/*
* 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.flink.runtime.checkpoint;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
public class CheckpointStatsCountsTest {
/**
* Tests that counts are reported correctly.
*/
@Test
public void testCounts() throws Exception {
CheckpointStatsCounts counts = new CheckpointStatsCounts();
assertEquals(0, counts.getNumberOfRestoredCheckpoints());
assertEquals(0, counts.getTotalNumberOfCheckpoints());
assertEquals(0, counts.getNumberOfInProgressCheckpoints());
assertEquals(0, counts.getNumberOfCompletedCheckpoints());
assertEquals(0, counts.getNumberOfFailedCheckpoints());
counts.incrementRestoredCheckpoints();
assertEquals(1, counts.getNumberOfRestoredCheckpoints());
assertEquals(0, counts.getTotalNumberOfCheckpoints());
assertEquals(0, counts.getNumberOfInProgressCheckpoints());
assertEquals(0, counts.getNumberOfCompletedCheckpoints());
assertEquals(0, counts.getNumberOfFailedCheckpoints());
// 1st checkpoint
counts.incrementInProgressCheckpoints();
assertEquals(1, counts.getNumberOfRestoredCheckpoints());
assertEquals(1, counts.getTotalNumberOfCheckpoints());
assertEquals(1, counts.getNumberOfInProgressCheckpoints());
assertEquals(0, counts.getNumberOfCompletedCheckpoints());
assertEquals(0, counts.getNumberOfFailedCheckpoints());
counts.incrementCompletedCheckpoints();
assertEquals(1, counts.getNumberOfRestoredCheckpoints());
assertEquals(1, counts.getTotalNumberOfCheckpoints());
assertEquals(0, counts.getNumberOfInProgressCheckpoints());
assertEquals(1, counts.getNumberOfCompletedCheckpoints());
assertEquals(0, counts.getNumberOfFailedCheckpoints());
// 2nd checkpoint
counts.incrementInProgressCheckpoints();
assertEquals(1, counts.getNumberOfRestoredCheckpoints());
assertEquals(2, counts.getTotalNumberOfCheckpoints());
assertEquals(1, counts.getNumberOfInProgressCheckpoints());
assertEquals(1, counts.getNumberOfCompletedCheckpoints());
assertEquals(0, counts.getNumberOfFailedCheckpoints());
counts.incrementFailedCheckpoints();
assertEquals(1, counts.getNumberOfRestoredCheckpoints());
assertEquals(2, counts.getTotalNumberOfCheckpoints());
assertEquals(0, counts.getNumberOfInProgressCheckpoints());
assertEquals(1, counts.getNumberOfCompletedCheckpoints());
assertEquals(1, counts.getNumberOfFailedCheckpoints());
}
/**
* Tests that increment the completed or failed number of checkpoints without
* incrementing the in progress checkpoints before throws an Exception.
*/
@Test
public void testCompleteOrFailWithoutInProgressCheckpoint() throws Exception {
CheckpointStatsCounts counts = new CheckpointStatsCounts();
try {
counts.incrementCompletedCheckpoints();
fail("Did not throw expected Exception");
} catch (IllegalStateException ignored) {
}
try {
counts.incrementFailedCheckpoints();
fail("Did not throw expected Exception");
} catch (IllegalStateException ignored) {
}
}
/**
* Tests that that taking snapshots of the state are independent from the
* parent.
*/
@Test
public void testCreateSnapshot() throws Exception {
CheckpointStatsCounts counts = new CheckpointStatsCounts();
counts.incrementRestoredCheckpoints();
counts.incrementRestoredCheckpoints();
counts.incrementRestoredCheckpoints();
counts.incrementInProgressCheckpoints();
counts.incrementCompletedCheckpoints();
counts.incrementInProgressCheckpoints();
counts.incrementCompletedCheckpoints();
counts.incrementInProgressCheckpoints();
counts.incrementCompletedCheckpoints();
counts.incrementInProgressCheckpoints();
counts.incrementCompletedCheckpoints();
counts.incrementInProgressCheckpoints();
counts.incrementFailedCheckpoints();
long restored = counts.getNumberOfRestoredCheckpoints();
long total = counts.getTotalNumberOfCheckpoints();
long inProgress = counts.getNumberOfInProgressCheckpoints();
long completed = counts.getNumberOfCompletedCheckpoints();
long failed = counts.getNumberOfFailedCheckpoints();
CheckpointStatsCounts snapshot = counts.createSnapshot();
assertEquals(restored, snapshot.getNumberOfRestoredCheckpoints());
assertEquals(total, snapshot.getTotalNumberOfCheckpoints());
assertEquals(inProgress, snapshot.getNumberOfInProgressCheckpoints());
assertEquals(completed, snapshot.getNumberOfCompletedCheckpoints());
assertEquals(failed, snapshot.getNumberOfFailedCheckpoints());
// Update the original
counts.incrementRestoredCheckpoints();
counts.incrementRestoredCheckpoints();
counts.incrementInProgressCheckpoints();
counts.incrementCompletedCheckpoints();
counts.incrementInProgressCheckpoints();
counts.incrementFailedCheckpoints();
assertEquals(restored, snapshot.getNumberOfRestoredCheckpoints());
assertEquals(total, snapshot.getTotalNumberOfCheckpoints());
assertEquals(inProgress, snapshot.getNumberOfInProgressCheckpoints());
assertEquals(completed, snapshot.getNumberOfCompletedCheckpoints());
assertEquals(failed, snapshot.getNumberOfFailedCheckpoints());
}
}