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.kafkaconnector.file.sink;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.camel.kafkaconnector.common.ConnectorPropertyFactory;
  import org.apache.camel.kafkaconnector.common.test.CamelSinkTestSupport;
  import org.apache.camel.kafkaconnector.file.sink.util.CustomProducer;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.TestInstance;
  import org.junit.jupiter.api.Timeout;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.testcontainers.junit.jupiter.Testcontainers;
  
  import static org.apache.camel.kafkaconnector.file.sink.util.FileTestUtil.checkFileContents;
  import static org.apache.camel.kafkaconnector.file.sink.util.FileTestUtil.waitForFile;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.junit.jupiter.api.Assertions.fail;
  
  @TestInstance(TestInstance.Lifecycle.PER_CLASS)
  @Testcontainers
  public class CamelSinkFileITCase extends CamelSinkTestSupport {
      private static final Logger LOG = LoggerFactory.getLogger(CamelSinkFileITCase.class);
  
      private static final String SINK_DIR = CamelSinkFileITCase.class.getResource(".").getPath();
      private static final String FILENAME = "test.txt";
  
      private String topicName;
      private final int expect = 1;
      private CustomProducer producer;
  
      @Override
      protected String[] getConnectorsInTest() {
          return new String[] {"camel-file-kafka-connector"};
      }
  
      @BeforeEach
      public void setUp() {
          topicName = getTopicForTest(this);
          cleanup();
      }
  
      @AfterEach
      public void tearDown() {
          cleanup();
      }
  
      private void cleanup() {
          File doneFile = new File(SINK_DIR, FILENAME + ".done");
          if (doneFile.exists()) {
              doneFile.delete();
          }
      }
  
      @Override
      protected void consumeMessages(CountDownLatch latch) {
          try {
              File sinkFile = new File(SINK_DIR, FILENAME);
              File doneFile = new File(SINK_DIR, FILENAME + ".done");
  
              waitForFile(sinkFile, doneFile);
          } catch (InterruptedException e) {
              fail(e.getMessage());
          } catch (IOException e) {
              fail(e.getMessage());
          } finally {
              latch.countDown();
          }
      }
  
      private String verifier(int i) {
          return producer.testMessageContent(i);
      }
  
      @Override
      protected void verifyMessages(CountDownLatch latch) throws InterruptedException {
          if (latch.await(30, TimeUnit.SECONDS)) {
              File sinkFile = new File(SINK_DIR, FILENAME);
  
              assertTrue(sinkFile.exists(), String.format("The file %s does not exist", sinkFile.getPath()));
  
              try {
                  int lines = checkFileContents(sinkFile, this::verifier);
                  assertEquals(expect, lines, "Did not receive the same amount of messages that were sent");
              } catch (IOException e) {
                  fail(e.getMessage());
              }
          } else {
              fail("Failed to receive the messages within the specified time");
          }
      }
  
      @Test
      @Timeout(90)
      public void testBasicSendReceive() throws Exception {
          ConnectorPropertyFactory connectorPropertyFactory = CamelFilePropertyFactory.basic()
                  .withTopics(topicName)
                  .withDirectoryName(SINK_DIR)
                  .withFileName(FILENAME)
                  .withDoneFileName(FILENAME + ".done");
  
          producer = new CustomProducer(getKafkaService().getBootstrapServers(), topicName, expect);
          runTest(connectorPropertyFactory, producer);
      }
  
      @Test
      @Timeout(90)
      public void testBasicSendReceiveUsingUrl() throws Exception {
          ConnectorPropertyFactory connectorPropertyFactory = CamelFilePropertyFactory.basic()
                  .withTopics(topicName)
                  .withUrl(SINK_DIR)
                  .append("fileName", FILENAME)
                  .append("doneFileName", FILENAME + ".done")
                  .buildUrl();
  
          producer = new CustomProducer(getKafkaService().getBootstrapServers(), topicName, expect);
          runTest(connectorPropertyFactory, producer);
      }
  }
  