/**
* 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.hadoop.mapreduce.v2.app.webapp;
import static org.mockito.Matchers.anyString;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import org.apache.commons.lang.StringUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.v2.app.AppContext;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.util.Records;
import org.apache.hadoop.yarn.webapp.Controller.RequestContext;
import org.junit.Before;
import org.junit.Test;
public class TestAppController {
private AppController appController;
private RequestContext ctx;
@Before
public void setUp() {
AppContext context = mock(AppContext.class);
when(context.getApplicationID()).thenReturn(
Records.newRecord(ApplicationId.class));
App app = new App(context);
Configuration conf = new Configuration();
ctx = mock(RequestContext.class);
appController = new AppController(app, conf, ctx);
}
@Test
public void testBadRequest() {
String message = "test string";
appController.badRequest(message);
verifyExpectations(message);
}
@Test
public void testBadRequestWithNullMessage() {
// It should not throw NullPointerException
appController.badRequest(null);
verifyExpectations(StringUtils.EMPTY);
}
private void verifyExpectations(String message) {
verify(ctx).setStatus(400);
verify(ctx).set("app.id", "application_0_0000");
verify(ctx).set(eq("rm.web"), anyString());
verify(ctx).set("title", "Bad request: " + message);
}
}