How to use handshakeFuture method of com.intuit.karate.http.WebSocketClientHandler class

Best Karate code snippet using com.intuit.karate.http.WebSocketClientHandler.handshakeFuture

Source:WebSocketClientHandler.java Github

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...46public class WebSocketClientHandler extends SimpleChannelInboundHandler<Object> {47 private static final Logger logger = LoggerFactory.getLogger(WebSocketClientHandler.class);48 private final WebSocketClientHandshaker handshaker;49 private final WebSocketListener listener;50 private ChannelPromise handshakeFuture;51 public WebSocketClientHandler(WebSocketClientHandshaker handshaker, WebSocketListener listener) {52 this.handshaker = handshaker;53 this.listener = listener;54 }55 public ChannelFuture handshakeFuture() {56 return handshakeFuture;57 }58 @Override59 public void handlerAdded(ChannelHandlerContext ctx) {60 handshakeFuture = ctx.newPromise();61 }62 @Override63 public void channelActive(ChannelHandlerContext ctx) {64 handshaker.handshake(ctx.channel());65 }66 @Override67 public void channelInactive(ChannelHandlerContext ctx) {68 logger.debug("websocket client disconnected");69 }70 @Override71 public void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {72 Channel ch = ctx.channel();73 if (!handshaker.isHandshakeComplete()) {74 try {75 handshaker.finishHandshake(ch, (FullHttpResponse) msg);76 logger.debug("websocket client connected");77 handshakeFuture.setSuccess();78 } catch (WebSocketHandshakeException e) {79 logger.debug("websocket client connect failed: {}", e.getMessage());80 handshakeFuture.setFailure(e);81 }82 return;83 }84 if (msg instanceof FullHttpResponse) {85 FullHttpResponse response = (FullHttpResponse) msg;86 throw new IllegalStateException(87 "unexpected FullHttpResponse (getStatus=" + response.status()88 + ", content=" + response.content().toString(CharsetUtil.UTF_8) + ')');89 }90 WebSocketFrame frame = (WebSocketFrame) msg;91 if (frame instanceof TextWebSocketFrame) {92 if (logger.isTraceEnabled()) {93 logger.trace("websocket received text");94 }95 TextWebSocketFrame textFrame = (TextWebSocketFrame) frame;96 listener.onMessage(textFrame.text());97 } else if (frame instanceof PongWebSocketFrame) {98 if (logger.isTraceEnabled()) {99 logger.trace("websocket received pong");100 }101 } else if (frame instanceof CloseWebSocketFrame) {102 logger.debug("websocket closing");103 ch.close();104 } else if (frame instanceof BinaryWebSocketFrame) {105 logger.debug("websocket received binary");106 BinaryWebSocketFrame binaryFrame = (BinaryWebSocketFrame) frame;107 ByteBuf buf = binaryFrame.content();108 byte[] bytes = new byte[buf.readableBytes()];109 buf.readBytes(bytes);110 listener.onMessage(bytes);111 }112 }113 @Override114 public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {115 if (cause.getMessage() != null) {116 logger.error("websocket exception: {}", cause.getMessage());117 } else {118 cause.printStackTrace();119 }120 if (!handshakeFuture.isDone()) {121 handshakeFuture.setFailure(cause);122 }123 ctx.close();124 }125}...

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handshakeFuture

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1import com.intuit.karate.http.WebSocketClientHandler2import com.intuit.karate.http.WebSocketClient3import com.intuit.karate.http.WebSocketClientOptions4import com.intuit.karate.http.WebSocketClientListener5import com.intuit.karate.http.WebSocketMessage6import com.intuit.karate.http.WebSocketMessageType7import com.intuit.karate.http.WebSocketFrame8import com.intuit.karate.http.WebSocketFrameType9import com.intuit.karate.http.WebSocketFrameOptions10import com.intuit.karate.http.WebSocketFrameOptionsBuilder11import com.intuit.karate.http.WebSocketFrameBuilder12import com.intuit.karate.http.WebSocketFrameBuilderBuilder13import com.intuit.karate.http.WebSocketFrameBuilderBuilderBuilder14import com.intuit.karate.http.WebSocketClientBuilder15import com.intuit.karate.http.WebSocketClientBuilderBuilder16def handler = new WebSocketClientHandler(client)17def handshakeFuture = handler.handshakeFuture()18def handshakeFutureListener = new WebSocketClientListener() {19 void onOpen(WebSocketClient client) {20 println('onOpen')21 }22 void onClose(WebSocketClient client, int code, String reason) {23 println('onClose')24 }25 void onMessage(WebSocketClient client, WebSocketMessage message) {26 println('onMessage')27 }28 void onError(WebSocketClient client, Throwable t) {29 println('onError')30 }31}32handshakeFuture.addListener(handshakeFutureListener)33handler.sendText('hello')34handler.close()35##### WebSocketClientHandler(WebSocketClient client)36##### WebSocketClientHandler(WebSocketClient client, WebSocketClientListener listener)37##### WebSocketClientHandler(WebSocketClient client, WebSocketClientListener listener, boolean autoFragment)

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handshakeFuture

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1* ws.handshakeFuture().sync()2* ws.sendText('hello')3* ws.close()4* ws.handshakeFuture().sync()5* ws.sendText('hello')6* ws.close()7[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.6.0:exec (default-cli) on project karate-demo: Command execution failed.: Cannot invoke method handshakeFuture() on null object -> [Help 1]8at com.intuit.karate.junit4.Karate$1.evaluate(Karate.java:50)9at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)10at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)11at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)

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handshakeFuture

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1* def wsClient = karate.wsConnect('/ws', {headers: {Authorization: 'Bearer ' + auth.token}})2* def handshakeFuture = wsClient.handshakeFuture()3* def handshakeResponse = handshakeFuture.get()4* def handshakeResponse = wsClient.handshakeFuture().get()5* wsClient.send('hello')6* def response = wsClient.receive()7* wsClient.close()8* def wsClient = karate.wsConnect('/ws', {headers: {Authorization: 'Bearer ' + auth.token}})9* def handshakeResponse = wsClient.handshake()10* def handshakeResponse = wsClient.handshake()11* wsClient.send('hello')12* def response = wsClient.receive()13* wsClient.close()14* def wsClient = karate.wsConnect('/ws', {headers: {Authorization: 'Bearer ' + auth.token}})15* def handshakeResponse = wsClient.handshake()16* def handshakeResponse = wsClient.handshake()17* wsClient.send('hello')18* def response = wsClient.receive()19* wsClient.close()

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handshakeFuture

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1def response = wsClient.handshakeFuture().get().response()2def response = wsClient.handshakeFuture().get().response()3def response = wsClient.handshakeFuture().get().response()4def response = wsClient.handshakeFuture().get().response()5def response = wsClient.handshakeFuture().get().response()6def response = wsClient.handshakeFuture().get().response()

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