TestStdOutMetricsSender.java

/**
 * 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.yarn.server.applicationhistoryservice.metrics.loadsimulator.net;


import org.junit.Test;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;

public class TestStdOutMetricsSender {

  @Test
  public void testPushMetrics() throws Exception {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    PrintStream out = new PrintStream(baos);
    StdOutMetricsSender sender = new StdOutMetricsSender("expectedHostName", out);
    sender.pushMetrics("test");

    System.out.println(baos.toString());
  }
}