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.atmosphere.websocket;
  
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.Reader;
  import java.io.StringReader;
  import java.util.List;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.Processor;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.test.infra.common.http.WebsocketTestClient;
  import org.apache.camel.util.IOHelper;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class WebsocketRouteTest extends WebsocketCamelRouterTestSupport {
      private static final String RESPONSE_GREETING = "Hola ";
      private static final byte[] RESPONSE_GREETING_BYTES = { 0x48, 0x6f, 0x6c, 0x61, 0x20 };
  
      @Test
      void testWebsocketSingleClient() throws Exception {
          WebsocketTestClient wsclient = new WebsocketTestClient("ws://localhost:" + PORT + "/hola");
          wsclient.connect();
  
          wsclient.sendTextMessage("Cerveza");
  
          assertTrue(wsclient.await(10));
          List<String> received = wsclient.getReceived(String.class);
          assertEquals(1, received.size());
          assertEquals("Hola Cerveza", received.get(0));
          wsclient.close();
      }
  
      @Test
      void testWebsocketSingleClientForBytes() throws Exception {
          WebsocketTestClient wsclient = new WebsocketTestClient("ws://localhost:" + PORT + "/hola");
          wsclient.connect();
  
          wsclient.sendBytesMessage("Cerveza".getBytes("UTF-8"));
  
          assertTrue(wsclient.await(10));
          List<String> received = wsclient.getReceived(String.class);
          assertEquals(1, received.size());
          assertEquals("Hola Cerveza", received.get(0));
          wsclient.close();
      }
  
      @Test
      void testWebsocketSingleClientForReader() throws Exception {
          WebsocketTestClient wsclient = new WebsocketTestClient("ws://localhost:" + PORT + "/hola3");
          wsclient.connect();
  
          wsclient.sendTextMessage("Cerveza");
  
          assertTrue(wsclient.await(10));
          List<String> received = wsclient.getReceived(String.class);
          assertEquals(1, received.size());
          assertEquals("Hola Cerveza", received.get(0));
          wsclient.close();
      }
  
      @Test
      void testWebsocketSingleClientForInputStream() throws Exception {
          WebsocketTestClient wsclient = new WebsocketTestClient("ws://localhost:" + PORT + "/hola3");
          wsclient.connect();
  
          wsclient.sendBytesMessage("Cerveza".getBytes("UTF-8"));
  
          assertTrue(wsclient.await(10));
          List<String> received = wsclient.getReceived(String.class);
          assertEquals(1, received.size());
          assertEquals("Hola Cerveza", received.get(0));
          wsclient.close();
      }
  
      @Test
      void testWebsocketBroadcastClient() throws Exception {
          WebsocketTestClient wsclient1 = new WebsocketTestClient("ws://localhost:" + PORT + "/broadcast", 2);
          WebsocketTestClient wsclient2 = new WebsocketTestClient("ws://localhost:" + PORT + "/broadcast", 2);
          wsclient1.connect();
          wsclient2.connect();
  
          wsclient1.sendTextMessage("Gambas");
          wsclient2.sendTextMessage("Calamares");
  
          assertTrue(wsclient1.await(10));
          assertTrue(wsclient2.await(10));
  
          List<String> received1 = wsclient1.getReceived(String.class);
          assertEquals(2, received1.size());
  
          assertTrue(received1.contains("Hola Gambas"));
          assertTrue(received1.contains("Hola Calamares"));
  
          List<String> received2 = wsclient2.getReceived(String.class);
          assertEquals(2, received2.size());
          assertTrue(received2.contains("Hola Gambas"));
          assertTrue(received2.contains("Hola Calamares"));
  
          wsclient1.close();
          wsclient2.close();
      }
  
      @Test
      void testWebsocketEventsResendingDisabled() throws Exception {
          WebsocketTestClient wsclient = new WebsocketTestClient("ws://localhost:" + PORT + "/hola4");
          wsclient.connect();
          assertFalse(wsclient.await(10));
          wsclient.close();
      }
  
      // START SNIPPET: payload
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              public void configure() {
                  // route for a single line
                  from("atmosphere-websocket:///hola").to("log:info").process(new Processor() {
                      public void process(final Exchange exchange) {
                          createResponse(exchange, false);
                      }
                  }).to("atmosphere-websocket:///hola");
  
                  // route for a broadcast line
                  from("atmosphere-websocket:///broadcast").to("log:info").process(new Processor() {
                      public void process(final Exchange exchange) {
                          createResponse(exchange, false);
                      }
                  }).to("atmosphere-websocket:///broadcast?sendToAll=true");
  
                  // route for a single stream line
                  from("atmosphere-websocket:///hola3?useStreaming=true").to("log:info").process(new Processor() {
                      public void process(final Exchange exchange) {
                          createResponse(exchange, true);
                      }
                  }).to("atmosphere-websocket:///hola3");
  
                  // route for events resending disabled
                  from("atmosphere-websocket:///hola4").to("log:info").process(new Processor() {
                      public void process(final Exchange exchange) {
                          checkEventsResendingDisabled(exchange);
                      }
                  }).to("atmosphere-websocket:///hola4");
              }
          };
      }
  
      private static void createResponse(Exchange exchange, boolean streaming) {
          Object msg = exchange.getIn().getBody();
          if (streaming) {
              assertTrue(msg instanceof Reader || msg instanceof InputStream, "Expects Reader or InputStream");
          } else {
              assertTrue(msg instanceof String || msg instanceof byte[], "Expects String or byte[]");
          }
  
          if (msg instanceof String) {
              exchange.getIn().setBody(RESPONSE_GREETING + msg);
          } else if (msg instanceof byte[]) {
              exchange.getIn().setBody(createByteResponse((byte[]) msg));
          } else if (msg instanceof Reader) {
              exchange.getIn().setBody(new StringReader(RESPONSE_GREETING + readAll((Reader) msg)));
          } else if (msg instanceof InputStream) {
              exchange.getIn().setBody(createByteResponse(readAll((InputStream) msg)));
          }
      }
  
      private static void checkEventsResendingDisabled(Exchange exchange) {
          Object eventType = exchange.getIn().getHeader(WebsocketConstants.EVENT_TYPE);
  
          if (eventType instanceof Integer) {
              if (eventType.equals(WebsocketConstants.ONOPEN_EVENT_TYPE)
                      || eventType.equals(WebsocketConstants.ONCLOSE_EVENT_TYPE)
                      || eventType.equals(WebsocketConstants.ONERROR_EVENT_TYPE)) {
                  exchange.getIn().setBody("Error. This place should never be reached.");
              }
          }
      }
  
      private static byte[] createByteResponse(byte[] req) {
          byte[] resp = new byte[req.length + RESPONSE_GREETING_BYTES.length];
          System.arraycopy(RESPONSE_GREETING_BYTES, 0, resp, 0, RESPONSE_GREETING_BYTES.length);
          System.arraycopy(req, 0, resp, RESPONSE_GREETING_BYTES.length, req.length);
          return resp;
      }
  
      private static String readAll(Reader reader) {
          try {
              return IOHelper.toString(reader);
          } catch (IOException e) {
          }
  
          return "";
      }
  
      private static byte[] readAll(InputStream is) {
          ByteArrayOutputStream byteBuf = new ByteArrayOutputStream();
  
          try {
              is.transferTo(byteBuf);
          } catch (IOException e) {
              // ignore
          } finally {
              try {
                  is.close();
              } catch (IOException e) {
                  // ignore
              }
          }
  
          return byteBuf.toByteArray();
      }
      // END SNIPPET: payload
  }
  