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.camel.component.stream;
  
  import java.io.ByteArrayOutputStream;
  import java.io.PrintStream;
  
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  /**
   * Unit test for System.out
   */
  public class StreamSystemOutNewLineOffTest extends CamelTestSupport {
  
      String message = "Hello World";
  
      PrintStream stdOut = System.out;
  
      ByteArrayOutputStream mockOut = new ByteArrayOutputStream();
  
      // START SNIPPET: e1
      @Test
      public void testStringContent() {
          try {
              // Given
              System.setOut(new PrintStream(mockOut));
  
              // When
              template.sendBody("direct:in", message);
  
              // Then
              assertEquals(message, new String(mockOut.toByteArray()));
          } finally {
              System.setOut(stdOut);
          }
      }
  
      @Test
      public void testBinaryContent() {
          try {
              // Given
              System.setOut(new PrintStream(mockOut));
  
              // When
              template.sendBody("direct:in", message.getBytes());
  
              // Then
              assertEquals(message, new String(mockOut.toByteArray()));
          } finally {
              System.setOut(stdOut);
          }
      }
  
      @Test
      public void shouldSkipNullBody() {
          try {
              // Given
              System.setOut(new PrintStream(mockOut));
  
              // When
              template.sendBody("direct:in", null);
  
              // Then
              assertEquals(0, mockOut.toByteArray().length);
          } finally {
              System.setOut(stdOut);
          }
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              public void configure() {
                  from("direct:in").to("stream:out?appendNewLine=false");
              }
          };
      }
      // END SNIPPET: e1
  
  }
  