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.spi.Registry;
  import org.apache.camel.spring.boot.CamelAutoConfiguration;
  import org.apache.camel.test.spring.junit5.CamelSpringBootTest;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  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 org.springframework.test.annotation.DirtiesContext;
  
  /**
   * Unit test for expression option for file consumer.
   */
  @DirtiesContext(classMode = DirtiesContext.ClassMode.BEFORE_CLASS)
  @CamelSpringBootTest
  @SpringBootTest(classes = { CamelAutoConfiguration.class, FileConsumerFileExpressionTest.class,
          FileConsumerFileExpressionTest.TestConfiguration.class })
  public class FileConsumerFileExpressionTest extends BaseFile {
  
      @EndpointInject("mock:result")
      private MockEndpoint resultEndpoint;
  
      @AfterEach
      public void reset() {
          resultEndpoint.reset();
      }
  
      @Test
      public void testConsumeFileBasedOnBeanName() throws Exception {
          template.sendBodyAndHeader(fileUri("bean"), "Hello World", Exchange.FILE_NAME, "122.txt");
          template.sendBodyAndHeader(fileUri("bean"), "Goodday World", Exchange.FILE_NAME, "123.txt");
          template.sendBodyAndHeader(fileUri("bean"), "Bye World", Exchange.FILE_NAME, "124.txt");
  
          context.addRoutes(new RouteBuilder() {
              @Override
              public void configure() throws Exception {
                  from(fileUri("bean" + "?initialDelay=0&delay=10&fileName=${bean:counter.next}.txt&delete=true"))
                          .to("mock:result");
              }
          });
  
          // we should only get one as we only poll a single file using the file
          // expression
          resultEndpoint.expectedBodiesReceived("Goodday World");
  
          assertMockEndpointsSatisfied();
      }
  
      @Test
      public void testConsumeFileBasedOnDatePattern() throws Exception {
          template.sendBodyAndHeader(fileUri("date"), "Bye World", Exchange.FILE_NAME, "myfile-20081128.txt");
          template.sendBodyAndHeader(fileUri("date"), "Hello World", Exchange.FILE_NAME, "myfile-20081129.txt");
          template.sendBodyAndHeader(fileUri("date"), "Goodday World", Exchange.FILE_NAME,
                  context.resolveLanguage("simple").createExpression("myfile-${date:now:yyyyMMdd}.txt"));
  
          context.addRoutes(new RouteBuilder() {
              @Override
              public void configure() throws Exception {
                  // START SNIPPET: e1
                  from(fileUri("date" + "?initialDelay=0&delay=10&fileName=myfile-${date:now:yyyyMMdd}.txt"))
                          .convertBodyTo(String.class).to("mock:result");
                  // END SNIPPET: e1
              }
          });
  
          // we should only get one as we only poll a single file using the file
          // expression
          resultEndpoint.expectedBodiesReceived("Goodday World");
  
          assertMockEndpointsSatisfied();
      }
  
      public class MyGuidGenerator {
          public String next() {
              return "123";
          }
      }
  
      // *************************************
      // Config
      // *************************************
  
      @Configuration
      public class TestConfiguration {
          @Bean(value = "counter")
          public MyGuidGenerator myGuidGenerator() {
              return new MyGuidGenerator();
          }
      }
  }
  