/*
* Copyright 2013 the original author or authors.
*
* Licensed 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.springframework.yarn.examples;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.notNullValue;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.greaterThan;
import java.io.File;
import java.util.List;
import java.util.Scanner;
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
import org.junit.Test;
import org.springframework.core.io.Resource;
import org.springframework.test.annotation.Timed;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.yarn.test.context.MiniYarnCluster;
import org.springframework.yarn.test.context.YarnDelegatingSmartContextLoader;
import org.springframework.yarn.test.junit.AbstractYarnClusterTests;
import org.springframework.yarn.test.junit.ApplicationInfo;
import org.springframework.yarn.test.support.ContainerLogUtils;
/**
* Tests for simple command example.
*
* @author Janne Valkealahti
*
*/
@ContextConfiguration(loader=YarnDelegatingSmartContextLoader.class)
@MiniYarnCluster
public class RestartContextTests extends AbstractYarnClusterTests {
@Test
@Timed(millis=70000)
public void testAppSubmission() throws Exception {
ApplicationInfo info = submitApplicationAndWait();
assertThat(info, notNullValue());
assertThat(info.getYarnApplicationState(), notNullValue());
assertThat(info.getApplicationId(), notNullValue());
assertThat(info.getYarnApplicationState(), is(YarnApplicationState.FINISHED));
List<Resource> resources = ContainerLogUtils.queryContainerLogs(getYarnCluster(), info.getApplicationId());
assertThat(resources, notNullValue());
assertThat(resources.size(), is(6));
for (Resource res : resources) {
File file = res.getFile();
if (file.getName().endsWith("stdout")) {
// there has to be some content in stdout file
assertThat(file.length(), greaterThan(0l));
} else if (file.getName().endsWith("stderr")) {
String content = "";
if (file.length() > 0) {
Scanner scanner = new Scanner(file);
content = scanner.useDelimiter("\\A").next();
scanner.close();
}
// can't have anything in stderr files
assertThat("stderr file is not empty: " + content, file.length(), is(0l));
}
}
}
}