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.thrift;
  
  import java.io.IOException;
  import java.nio.ByteBuffer;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.concurrent.CountDownLatch;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.component.thrift.generated.Calculator;
  import org.apache.camel.component.thrift.generated.Operation;
  import org.apache.camel.component.thrift.generated.Work;
  import org.apache.camel.test.AvailablePortFinder;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.apache.thrift.async.AsyncMethodCallback;
  import org.apache.thrift.async.TAsyncClientManager;
  import org.apache.thrift.protocol.TBinaryProtocol;
  import org.apache.thrift.transport.TNonblockingSocket;
  import org.apache.thrift.transport.TNonblockingTransport;
  import org.apache.thrift.transport.TTransportException;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class ThriftConsumerAsyncTest extends CamelTestSupport {
      private static final Logger LOG = LoggerFactory.getLogger(ThriftConsumerAsyncTest.class);
      private static final int THRIFT_TEST_PORT = AvailablePortFinder.getNextAvailable();
      private static final int THRIFT_TEST_NUM1 = 12;
      private static final int THRIFT_TEST_NUM2 = 13;
      private static Calculator.AsyncClient thriftClient;
  
      private TNonblockingTransport transport;
      private int calculateResult;
      private int zipResult = -1;
      private int pingResult = -1;
      private int allTypesResult;
      private Work echoResult;
  
      @BeforeEach
      public void startThriftClient() throws IOException, TTransportException {
          if (transport == null) {
              LOG.info("Connecting to the Thrift server on port: {}", THRIFT_TEST_PORT);
              transport = new TNonblockingSocket("localhost", THRIFT_TEST_PORT);
              thriftClient = (new Calculator.AsyncClient.Factory(new TAsyncClientManager(), new TBinaryProtocol.Factory()))
                      .getAsyncClient(transport);
          }
      }
  
      @AfterEach
      public void stopThriftClient() {
          if (transport != null) {
              transport.close();
              transport = null;
              LOG.info("Connection to the Thrift server closed");
          }
      }
  
      @Test
      public void testCalculateMethodInvocation() throws Exception {
          CountDownLatch latch = new CountDownLatch(1);
          Work work = new Work(THRIFT_TEST_NUM1, THRIFT_TEST_NUM2, Operation.MULTIPLY);
  
          thriftClient.calculate(1, work, new AsyncMethodCallback<Integer>() {
  
              @Override
              public void onComplete(Integer response) {
                  calculateResult = response;
                  latch.countDown();
              }
  
              @Override
              public void onError(Exception exception) {
                  LOG.info("Exception", exception);
                  latch.countDown();
              }
  
          });
          latch.await(5, TimeUnit.SECONDS);
  
          MockEndpoint mockEndpoint = getMockEndpoint("mock:thrift-service");
          mockEndpoint.expectedMessageCount(1);
          mockEndpoint.expectedHeaderValuesReceivedInAnyOrder(ThriftConstants.THRIFT_METHOD_NAME_HEADER, "calculate");
          mockEndpoint.assertIsSatisfied();
  
          assertEquals(THRIFT_TEST_NUM1 * THRIFT_TEST_NUM2, calculateResult);
      }
  
      @Test
      public void testVoidMethodInvocation() throws Exception {
          CountDownLatch latch = new CountDownLatch(1);
  
          thriftClient.ping(new AsyncMethodCallback<Void>() {
  
              @Override
              public void onComplete(Void response) {
                  pingResult = 0;
                  latch.countDown();
              }
  
              @Override
              public void onError(Exception exception) {
                  LOG.info("Exception", exception);
                  latch.countDown();
              }
  
          });
          latch.await(5, TimeUnit.SECONDS);
  
          MockEndpoint mockEndpoint = getMockEndpoint("mock:thrift-service");
          mockEndpoint.expectedMessageCount(1);
          mockEndpoint.expectedHeaderValuesReceivedInAnyOrder(ThriftConstants.THRIFT_METHOD_NAME_HEADER, "ping");
          mockEndpoint.assertIsSatisfied();
  
          assertEquals(0, pingResult);
      }
  
      @Test
      public void testOneWayMethodInvocation() throws Exception {
          CountDownLatch latch = new CountDownLatch(1);
  
          thriftClient.zip(new AsyncMethodCallback<Void>() {
  
              @Override
              public void onComplete(Void response) {
                  zipResult = 0;
                  latch.countDown();
              }
  
              @Override
              public void onError(Exception exception) {
                  LOG.info("Exception", exception);
                  latch.countDown();
              }
  
          });
          latch.await(5, TimeUnit.SECONDS);
  
          MockEndpoint mockEndpoint = getMockEndpoint("mock:thrift-service");
          mockEndpoint.expectedMessageCount(1);
          mockEndpoint.expectedHeaderValuesReceivedInAnyOrder(ThriftConstants.THRIFT_METHOD_NAME_HEADER, "zip");
          mockEndpoint.assertIsSatisfied();
  
          assertEquals(0, zipResult);
      }
  
      @Test
      public void testAllTypesMethodInvocation() throws Exception {
          LOG.info("Thrift method with all possile types async test start");
  
          final CountDownLatch latch = new CountDownLatch(1);
  
          thriftClient.alltypes(true, (byte) THRIFT_TEST_NUM1, (short) THRIFT_TEST_NUM1, THRIFT_TEST_NUM1, THRIFT_TEST_NUM1,
                  THRIFT_TEST_NUM1, "empty",
                  ByteBuffer.allocate(10), new Work(THRIFT_TEST_NUM1, THRIFT_TEST_NUM2, Operation.MULTIPLY),
                  new ArrayList<Integer>(), new HashSet<String>(),
                  new HashMap<String, Long>(), new AsyncMethodCallback<Integer>() {
  
                      @Override
                      public void onComplete(Integer response) {
                          allTypesResult = response;
                          latch.countDown();
                      }
  
                      @Override
                      public void onError(Exception exception) {
                          LOG.info("Exception", exception);
                          latch.countDown();
                      }
  
                  });
          latch.await(5, TimeUnit.SECONDS);
  
          MockEndpoint mockEndpoint = getMockEndpoint("mock:thrift-service");
          mockEndpoint.expectedMessageCount(1);
          mockEndpoint.expectedHeaderValuesReceivedInAnyOrder(ThriftConstants.THRIFT_METHOD_NAME_HEADER, "alltypes");
          mockEndpoint.assertIsSatisfied();
  
          assertEquals(THRIFT_TEST_NUM1, allTypesResult);
      }
  
      @Test
      public void testEchoMethodInvocation() throws Exception {
          CountDownLatch latch = new CountDownLatch(1);
          Work work = new Work(THRIFT_TEST_NUM1, THRIFT_TEST_NUM2, Operation.MULTIPLY);
  
          thriftClient.echo(work, new AsyncMethodCallback<Work>() {
  
              @Override
              public void onComplete(Work response) {
                  echoResult = response;
                  latch.countDown();
              }
  
              @Override
              public void onError(Exception exception) {
                  LOG.info("Exception", exception);
                  latch.countDown();
              }
  
          });
          latch.await(5, TimeUnit.SECONDS);
  
          MockEndpoint mockEndpoint = getMockEndpoint("mock:thrift-service");
          mockEndpoint.expectedMessageCount(1);
          mockEndpoint.expectedHeaderValuesReceivedInAnyOrder(ThriftConstants.THRIFT_METHOD_NAME_HEADER, "echo");
          mockEndpoint.assertIsSatisfied();
  
          assertNotNull(echoResult);
          assertTrue(echoResult instanceof Work);
          assertEquals(THRIFT_TEST_NUM1, echoResult.num1);
          assertEquals(Operation.MULTIPLY, echoResult.op);
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              @Override
              public void configure() {
                  from("thrift://localhost:" + THRIFT_TEST_PORT + "/org.apache.camel.component.thrift.generated.Calculator")
                          .to("mock:thrift-service").choice()
                          .when(header(ThriftConstants.THRIFT_METHOD_NAME_HEADER).isEqualTo("calculate"))
                          .setBody(simple(Integer.valueOf(THRIFT_TEST_NUM1 * THRIFT_TEST_NUM2).toString()))
                          .when(header(ThriftConstants.THRIFT_METHOD_NAME_HEADER).isEqualTo("ping"))
                          .when(header(ThriftConstants.THRIFT_METHOD_NAME_HEADER).isEqualTo("zip"))
                          .when(header(ThriftConstants.THRIFT_METHOD_NAME_HEADER).isEqualTo("alltypes"))
                          .setBody(simple(Integer.valueOf(THRIFT_TEST_NUM1).toString()))
                          .when(header(ThriftConstants.THRIFT_METHOD_NAME_HEADER).isEqualTo("echo")).setBody(simple("${body[0]}"))
                          .bean(new CalculatorMessageBuilder(), "echo");
              }
          };
      }
  
      public class CalculatorMessageBuilder {
          public Work echo(Work work) {
              return work.deepCopy();
          }
      }
  }
  