/*
* 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.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.executiongraph.AccessExecutionVertex;
import org.apache.flink.runtime.taskmanager.TaskManagerLocation;
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.apache.flink.util.ExceptionUtils;
import org.junit.Assert;
import org.junit.Test;
import java.io.IOException;
import java.util.Collection;
public class JobExceptionsHandlerTest {
@Test
public void testArchiver() throws Exception {
JsonArchivist archivist = new JobExceptionsHandler.JobExceptionsJsonArchivist();
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() + "/exceptions", archive.getPath());
compareExceptions(originalJob, archive.getJson());
}
@Test
public void testGetPaths() {
JobExceptionsHandler handler = new JobExceptionsHandler(null);
String[] paths = handler.getPaths();
Assert.assertEquals(1, paths.length);
Assert.assertEquals("/jobs/:jobid/exceptions", paths[0]);
}
@Test
public void testJsonGeneration() throws Exception {
AccessExecutionGraph originalJob = ArchivedJobGenerationUtils.getTestJob();
String json = JobExceptionsHandler.createJobExceptionsJson(originalJob);
compareExceptions(originalJob, json);
}
private static void compareExceptions(AccessExecutionGraph originalJob, String json) throws IOException {
JsonNode result = ArchivedJobGenerationUtils.mapper.readTree(json);
Assert.assertEquals(originalJob.getFailureCauseAsString(), result.get("root-exception").asText());
ArrayNode exceptions = (ArrayNode) result.get("all-exceptions");
int x = 0;
for (AccessExecutionVertex expectedSubtask : originalJob.getAllExecutionVertices()) {
if (!expectedSubtask.getFailureCauseAsString().equals(ExceptionUtils.STRINGIFIED_NULL_EXCEPTION)) {
JsonNode exception = exceptions.get(x);
Assert.assertEquals(expectedSubtask.getFailureCauseAsString(), exception.get("exception").asText());
Assert.assertEquals(expectedSubtask.getTaskNameWithSubtaskIndex(), exception.get("task").asText());
TaskManagerLocation location = expectedSubtask.getCurrentAssignedResourceLocation();
String expectedLocationString = location.getFQDNHostname() + ':' + location.dataPort();
Assert.assertEquals(expectedLocationString, exception.get("location").asText());
}
x++;
}
Assert.assertEquals(x > JobExceptionsHandler.MAX_NUMBER_EXCEPTION_TO_REPORT, result.get("truncated").asBoolean());
}
}