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* 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
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* Unless required by applicable law or agreed to in writing, software
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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.accumulators.StringifiedAccumulatorResult;
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 JobVertexAccumulatorsHandlerTest {
@Test
public void testArchiver() throws Exception {
JsonArchivist archivist = new JobVertexAccumulatorsHandler.JobVertexAccumulatorsJsonArchivist();
AccessExecutionGraph originalJob = ArchivedJobGenerationUtils.getTestJob();
AccessExecutionJobVertex originalTask = ArchivedJobGenerationUtils.getTestTask();
Collection<ArchivedJson> archives = archivist.archiveJsonWithPath(originalJob);
Assert.assertEquals(1, archives.size());
ArchivedJson archive = archives.iterator().next();
Assert.assertEquals("/jobs/" + originalJob.getJobID() + "/vertices/" + originalTask.getJobVertexId() + "/accumulators", archive.getPath());
compareAccumulators(originalTask, archive.getJson());
}
@Test
public void testGetPaths() {
JobVertexAccumulatorsHandler handler = new JobVertexAccumulatorsHandler(null);
String[] paths = handler.getPaths();
Assert.assertEquals(1, paths.length);
Assert.assertEquals("/jobs/:jobid/vertices/:vertexid/accumulators", paths[0]);
}
@Test
public void testJsonGeneration() throws Exception {
AccessExecutionJobVertex originalTask = ArchivedJobGenerationUtils.getTestTask();
String json = JobVertexAccumulatorsHandler.createVertexAccumulatorsJson(originalTask);
compareAccumulators(originalTask, json);
}
private static void compareAccumulators(AccessExecutionJobVertex originalTask, String json) throws IOException {
JsonNode result = ArchivedJobGenerationUtils.mapper.readTree(json);
Assert.assertEquals(originalTask.getJobVertexId().toString(), result.get("id").asText());
ArrayNode accs = (ArrayNode) result.get("user-accumulators");
StringifiedAccumulatorResult[] expectedAccs = originalTask.getAggregatedUserAccumulatorsStringified();
ArchivedJobGenerationUtils.compareStringifiedAccumulators(expectedAccs, accs);
}
}