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* Licensed to the Apache Software Foundation (ASF) under one
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* 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,
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package org.apache.flink.runtime.webmonitor.handlers;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import org.apache.flink.runtime.executiongraph.AccessExecution;
import org.apache.flink.runtime.executiongraph.AccessExecutionGraph;
import org.apache.flink.runtime.executiongraph.AccessExecutionJobVertex;
import org.apache.flink.runtime.webmonitor.history.ArchivedJson;
import org.apache.flink.runtime.webmonitor.history.JsonArchivist;
import org.apache.flink.runtime.webmonitor.utils.ArchivedJobGenerationUtils;
import org.junit.Assert;
import org.junit.Test;
import java.io.IOException;
import java.util.Collection;
public class SubtaskExecutionAttemptAccumulatorsHandlerTest {
@Test
public void testArchiver() throws Exception {
JsonArchivist archivist = new SubtaskExecutionAttemptAccumulatorsHandler.SubtaskExecutionAttemptAccumulatorsJsonArchivist();
AccessExecutionGraph originalJob = ArchivedJobGenerationUtils.getTestJob();
AccessExecutionJobVertex originalTask = ArchivedJobGenerationUtils.getTestTask();
AccessExecution originalAttempt = ArchivedJobGenerationUtils.getTestAttempt();
Collection<ArchivedJson> archives = archivist.archiveJsonWithPath(originalJob);
Assert.assertEquals(1, archives.size());
ArchivedJson archive = archives.iterator().next();
Assert.assertEquals(
"/jobs/" + originalJob.getJobID() +
"/vertices/" + originalTask.getJobVertexId() +
"/subtasks/" + originalAttempt.getParallelSubtaskIndex() +
"/attempts/" + originalAttempt.getAttemptNumber() +
"/accumulators",
archive.getPath());
compareAttemptAccumulators(originalAttempt, archive.getJson());
}
@Test
public void testGetPaths() {
SubtaskExecutionAttemptAccumulatorsHandler handler = new SubtaskExecutionAttemptAccumulatorsHandler(null);
String[] paths = handler.getPaths();
Assert.assertEquals(1, paths.length);
Assert.assertEquals("/jobs/:jobid/vertices/:vertexid/subtasks/:subtasknum/attempts/:attempt/accumulators", paths[0]);
}
@Test
public void testJsonGeneration() throws Exception {
AccessExecution originalAttempt = ArchivedJobGenerationUtils.getTestAttempt();
String json = SubtaskExecutionAttemptAccumulatorsHandler.createAttemptAccumulatorsJson(originalAttempt);
compareAttemptAccumulators(originalAttempt, json);
}
private static void compareAttemptAccumulators(AccessExecution originalAttempt, String json) throws IOException {
JsonNode result = ArchivedJobGenerationUtils.mapper.readTree(json);
Assert.assertEquals(originalAttempt.getParallelSubtaskIndex(), result.get("subtask").asInt());
Assert.assertEquals(originalAttempt.getAttemptNumber(), result.get("attempt").asInt());
Assert.assertEquals(originalAttempt.getAttemptId().toString(), result.get("id").asText());
ArchivedJobGenerationUtils.compareStringifiedAccumulators(originalAttempt.getUserAccumulatorsStringified(), (ArrayNode) result.get("user-accumulators"));
}
}