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.file;
  
  import org.apache.camel.EndpointInject;
  import org.apache.camel.Exchange;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.spring.boot.CamelAutoConfiguration;
  import org.apache.camel.test.spring.junit5.CamelSpringBootTest;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.parallel.Isolated;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.test.annotation.DirtiesContext;
  
  import java.io.OutputStream;
  import java.nio.file.Files;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  @Isolated("Does not play well with parallel unit test execution")
  @DirtiesContext(classMode = DirtiesContext.ClassMode.BEFORE_CLASS)
  @CamelSpringBootTest
  @SpringBootTest(classes = { CamelAutoConfiguration.class, FileChangedReadLockMarkerFileFalseTest.class,
          FileChangedReadLockMarkerFileFalseTest.TestConfiguration.class })
  public class FileChangedReadLockMarkerFileFalseTest extends BaseFile {
  
      private static final Logger LOG = LoggerFactory.getLogger(FileChangedReadLockMarkerFileFalseTest.class);
  
      @EndpointInject("mock:result")
      private MockEndpoint resultEndpoint;
  
      @Override
      @BeforeEach
      public void setUp() {
          super.setUp();
          testDirectory("in", true);
      }
  
      @Test
      public void testChangedReadLock() throws Exception {
          resultEndpoint.expectedMessageCount(1);
          resultEndpoint.expectedFileExists(testFile("out/slowfile.dat"));
          resultEndpoint.expectedHeaderReceived(Exchange.FILE_LENGTH, expectedFileLength());
  
          writeSlowFile();
  
          assertMockEndpointsSatisfied();
  
          String content = new String(Files.readAllBytes(testFile("out/slowfile.dat")));
          String[] lines = content.split(LS);
          assertEquals(20, lines.length, "There should be 20 lines in the file");
          for (int i = 0; i < 20; i++) {
              assertEquals("Line " + i, lines[i]);
          }
      }
  
      private void writeSlowFile() throws Exception {
          LOG.debug("Writing slow file...");
          try (OutputStream fos = Files.newOutputStream(testFile("in/slowfile.dat"))) {
              for (int i = 0; i < 20; i++) {
                  fos.write(("Line " + i + LS).getBytes());
                  LOG.debug("Writing line {}", i);
                  Thread.sleep(50);
              }
              fos.flush();
          }
          LOG.debug("Writing slow file DONE...");
      }
  
      long expectedFileLength() {
          long length = 0;
          for (int i = 0; i < 20; i++) {
              length += ("Line " + i + LS).getBytes().length;
          }
          return length;
      }
  
      // *************************************
      // Config
      // *************************************
  
      @Configuration
      public class TestConfiguration {
          @Bean
          public RouteBuilder routeBuilder() {
              return new RouteBuilder() {
                  @Override
                  public void configure() {
                      from(fileUri(
                              "in?initialDelay=0&delay=10&readLock=changed&readLockCheckInterval=100&readLockMarkerFile=false"))
                                      .to(fileUri("out"), "mock:result");
                  }
              };
          }
      }
  }
  