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.File;
  import java.io.FileOutputStream;
  
  import org.apache.camel.Consumer;
  import org.apache.camel.Endpoint;
  import org.apache.camel.Exchange;
  import org.apache.camel.Processor;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.junit.jupiter.api.Test;
  
  import static org.apache.camel.component.stream.StreamGroupLinesTest.LS;
  import static org.apache.camel.test.junit5.TestSupport.createDirectory;
  import static org.apache.camel.test.junit5.TestSupport.deleteDirectory;
  
  /**
   * Unit test for stream file
   */
  public class StreamFileTest extends CamelTestSupport {
  
      private FileOutputStream fos;
  
      @Override
      public boolean isUseRouteBuilder() {
          return false;
      }
  
      @Override
      public void doPreSetup() throws Exception {
          deleteDirectory("target/stream");
          createDirectory("target/stream");
  
          File file = new File("target/stream/streamfile.txt");
          file.createNewFile();
  
          fos = new FileOutputStream(file);
          fos.write("Hello\n".getBytes());
      }
  
      @Test
      public void testFile() throws Exception {
          context.start();
  
          try {
              MockEndpoint mock = getMockEndpoint("mock:result");
              mock.expectedBodiesReceived("Hello");
  
              // can not use route builder as we need to have the file created in the setup before route builder starts
              Endpoint endpoint = context.getEndpoint("stream:file?fileName=target/stream/streamfile.txt&delay=100");
              Consumer consumer = endpoint.createConsumer(new Processor() {
                  public void process(Exchange exchange) {
                      template.send("mock:result", exchange);
                  }
              });
              consumer.start();
  
              MockEndpoint.assertIsSatisfied(context);
  
              consumer.stop();
          } finally {
              fos.close();
          }
      }
  
      @Test
      public void testFileProducer() throws Exception {
          MockEndpoint mock = getMockEndpoint("mock:result");
          mock.expectedMessageCount(3);
  
          context.addRoutes(new RouteBuilder() {
              @Override
              public void configure() {
                  from("direct:start").routeId("produce")
                          .to("stream:file?fileName=target/stream/StreamFileTest.txt&autoCloseCount=2");
                  from("file://target/stream?fileName=StreamFileTest.txt&noop=true").routeId("consume").autoStartup(false)
                          .split().tokenize(LS).to("mock:result");
              }
          });
          context.start();
  
          template.sendBody("direct:start", "Hadrian");
          template.sendBody("direct:start", "Apache");
          template.sendBody("direct:start", "Camel");
  
          context.getRouteController().startRoute("consume");
          MockEndpoint.assertIsSatisfied(context);
          context.stop();
      }
  }
  