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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.AccessExecutionGraph;
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 JobAccumulatorsHandlerTest {
@Test
public void testArchiver() throws Exception {
JsonArchivist archivist = new JobAccumulatorsHandler.JobAccumulatorsJsonArchivist();
AccessExecutionGraph originalJob = ArchivedJobGenerationUtils.getTestJob();
Collection<ArchivedJson> archives = archivist.archiveJsonWithPath(originalJob);
Assert.assertEquals(1, archives.size());
ArchivedJson archive = archives.iterator().next();
Assert.assertEquals("/jobs/" + originalJob.getJobID() + "/accumulators", archive.getPath());
compareAccumulators(originalJob, archive.getJson());
}
@Test
public void testGetPaths() {
JobAccumulatorsHandler handler = new JobAccumulatorsHandler(null);
String[] paths = handler.getPaths();
Assert.assertEquals(1, paths.length);
Assert.assertEquals("/jobs/:jobid/accumulators", paths[0]);
}
@Test
public void testJsonGeneration() throws Exception {
AccessExecutionGraph originalJob = ArchivedJobGenerationUtils.getTestJob();
String json = JobAccumulatorsHandler.createJobAccumulatorsJson(originalJob);
compareAccumulators(originalJob, json);
}
private static void compareAccumulators(AccessExecutionGraph originalJob, String json) throws IOException {
JsonNode result = ArchivedJobGenerationUtils.mapper.readTree(json);
ArrayNode accs = (ArrayNode) result.get("job-accumulators");
Assert.assertEquals(0, accs.size());
Assert.assertTrue(originalJob.getAccumulatorResultsStringified().length > 0);
ArchivedJobGenerationUtils.compareStringifiedAccumulators(
originalJob.getAccumulatorResultsStringified(),
(ArrayNode) result.get("user-task-accumulators"));
}
}