content: /*
   * 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.cassandra.stress.util;
  
  
  import java.io.IOException;
  import java.io.OutputStream;
  import java.io.PrintStream;
  
  import org.apache.commons.io.output.ByteArrayOutputStream;
  import org.junit.Test;
  
  import static org.junit.Assert.*;
  
  public class MultiResultLoggerTest
  {
  
      public static final OutputStream NOOP = new OutputStream()
      {
          public void write(int b) throws IOException
          {
          }
      };
  
      @Test
      public void delegatesToInitialPrintStream() throws Exception
      {
          ByteArrayOutputStream output = new ByteArrayOutputStream();
          PrintStream printStream = new PrintStream(output, true);
          MultiResultLogger underTest = new MultiResultLogger(printStream);
  
          underTest.println("Very important result");
  
          assertEquals("Very important result\n", output.toString());
      }
  
      @Test
      public void printingExceptions() throws Exception
      {
          ByteArrayOutputStream output = new ByteArrayOutputStream();
          PrintStream printStream = new PrintStream(output, true);
          MultiResultLogger underTest = new MultiResultLogger(printStream);
  
          underTest.printException(new RuntimeException("Bad things"));
  
          String stackTrace = output.toString();
          assertTrue("Expected strack trace to be printed but got: " + stackTrace, stackTrace.startsWith("java.lang.RuntimeException: Bad things\n" +
                                                  "\tat org.apache.cassandra.stress.util.MultiResultLoggerTest.printingExceptions"));
      }
  
      @Test
      public void delegatesToAdditionalPrintStreams() throws Exception
      {
          ByteArrayOutputStream output = new ByteArrayOutputStream();
          PrintStream additionalPrintStream = new PrintStream(output, true);
          MultiResultLogger underTest = new MultiResultLogger(new PrintStream(NOOP));
  
          underTest.addStream(additionalPrintStream);
          underTest.println("Very important result");
  
          assertEquals("Very important result\n", output.toString());
      }
  
      @Test
      public void delegatesPrintfToAdditionalPrintStreams() throws Exception
      {
          ByteArrayOutputStream output = new ByteArrayOutputStream();
          PrintStream additionalPrintStream = new PrintStream(output, true);
          MultiResultLogger underTest = new MultiResultLogger(new PrintStream(NOOP));
  
          underTest.addStream(additionalPrintStream);
          underTest.printf("%s %s %s", "one", "two", "three");
  
          assertEquals("one two three", output.toString());
      }
  
      @Test
      public void delegatesPrintlnToAdditionalPrintStreams() throws Exception
      {
          ByteArrayOutputStream output = new ByteArrayOutputStream();
          PrintStream additionalPrintStream = new PrintStream(output, true);
          MultiResultLogger underTest = new MultiResultLogger(new PrintStream(NOOP));
  
          underTest.addStream(additionalPrintStream);
          underTest.println();
  
          assertEquals("\n", output.toString());
      }
  }
  