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.remote.springboot.ftp;
  
  import org.apache.camel.EndpointInject;
  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.Test;
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  
  import java.util.concurrent.Callable;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  
  @CamelSpringBootTest
  @SpringBootTest(classes = { CamelAutoConfiguration.class, FtpProducerConcurrentTest.class,
          FtpProducerConcurrentTest.TestConfiguration.class })
  // Based on FtpProducerConcurrentIT
  public class FtpProducerConcurrentTest extends BaseFtp {
  
      @EndpointInject("mock:result")
      private MockEndpoint result;
  
      private String getFtpUrl() {
          return "ftp://admin@localhost:" + getPort() + "/concurrent?binary=false&password=admin";
      }
  
      @Test
      public void testNoConcurrentProducers() throws Exception {
          doSendMessages(1, 1);
      }
  
      @Test
      public void testConcurrentProducers() throws Exception {
          doSendMessages(10, 5);
      }
  
      private void doSendMessages(int files, int poolSize) throws Exception {
          result.reset();
          result.expectedMessageCount(files);
  
          ExecutorService executor = Executors.newFixedThreadPool(poolSize);
          for (int i = 0; i < files; i++) {
              result.expectedFileExists(ftpFile("concurrent/" + i + ".txt"));
  
              final int index = i;
              executor.submit(new Callable<Object>() {
                  public Object call() {
                      sendFile("direct:start", "Hello World", index + ".txt");
                      return null;
                  }
              });
          }
  
          assertMockEndpointsSatisfied();
          executor.shutdownNow();
      }
  
      // *************************************
      // Config
      // *************************************
  
      @Configuration
      public class TestConfiguration extends BaseFtp.TestConfiguration {
          @Bean
          public RouteBuilder routeBuilder() {
  
              return new RouteBuilder() {
                  @Override
                  public void configure() {
                      from("direct:start").to(getFtpUrl(), "mock:result");
                  }
              };
          }
      }
  }
  