Examples of BlockheadClient

org.eclipse.jetty.websocket.common.test.BlockheadClient
A simple websocket client for performing unit tests with.
This client will use {@link HttpURLConnection} and {@link HttpsURLConnection} with standard blocking calls to perform websocket requests.
This client is NOT intended to be performant or follow the websocket spec religiously. In fact, being able to deviate from the websocket spec at will is desired for this client to operate properly for the unit testing within this module.
The BlockheadClient should never validate frames or bytes being sent for validity, against any sort of spec, or even sanity. It should, however be honest with regards to basic IO behavior, a write should work as expected, a read should work as expected, but what byte it sends or reads is not within its scope.

Examples of org.eclipse.jetty.websocket.common.test.BlockheadClient

    public void testUpgradeWithWebkitDeflateExtension() throws Exception
    {
        Assume.assumeTrue("Server has x-webkit-deflate-frame registered",
                server.getWebSocketServletFactory().getExtensionFactory().isAvailable("x-webkit-deflate-frame"));
        
        BlockheadClient client = new BlockheadClient(server.getServerUri());
        try
        {
            client.addExtensions("x-webkit-deflate-frame");
            client.setProtocols("chat");
            client.connect();
            client.sendStandardRequest();
            HttpResponse response = client.expectUpgradeResponse();
            Assert.assertThat("Response",response.getExtensionsHeader(),containsString("x-webkit-deflate-frame"));


            // Generate text frame
            String msg = "this is an echo ... cho ... ho ... o";
            client.write(new TextFrame().setPayload(msg));


            // Read frame (hopefully text frame)
            EventQueue<WebSocketFrame> frames = client.readFrames(1,500,TimeUnit.MILLISECONDS);
            WebSocketFrame tf = frames.poll();
            Assert.assertThat("Text Frame.status code",tf.getPayloadAsUTF8(),is(msg));
        }
        finally
        {
            client.close();
        }
    }

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Examples of org.eclipse.jetty.websocket.common.test.BlockheadClient

    }


    @Test
    public void testIdentityExtension() throws Exception
    {
        BlockheadClient client = new BlockheadClient(server.getServerUri());
        client.clearExtensions();
        client.addExtensions("identity;param=0");
        client.addExtensions("identity;param=1, identity ; param = '2' ; other = ' some = value '");
        client.setProtocols("onConnect");


        try
        {
            // Make sure the read times out if there are problems with the implementation
            client.setTimeout(1,TimeUnit.SECONDS);
            client.connect();
            client.sendStandardRequest();
            HttpResponse resp = client.expectUpgradeResponse();


            Assert.assertThat("Response",resp.getExtensionsHeader(),containsString("identity"));


            client.write(new TextFrame().setPayload("Hello"));


            EventQueue<WebSocketFrame> frames = client.readFrames(1,1000,TimeUnit.MILLISECONDS);
            WebSocketFrame frame = frames.poll();
            Assert.assertThat("TEXT.payload",frame.getPayloadAsUTF8(),is("Hello"));
        }
        finally
        {
            client.close();
        }
    }

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Examples of org.eclipse.jetty.websocket.common.test.BlockheadClient

     * Test fast close (bug #403817)
     */
    @Test
    public void testFastClose() throws Exception
    {
        try (BlockheadClient client = new BlockheadClient(server.getServerUri()))
        {
            client.setProtocols("fastclose");
            client.setTimeout(1,TimeUnit.SECONDS);
            client.connect();
            client.sendStandardRequest();
            client.expectUpgradeResponse();


            // Verify that client got close frame
            EventQueue<WebSocketFrame> frames = client.readFrames(1,1,TimeUnit.SECONDS);
            WebSocketFrame frame = frames.poll();
            Assert.assertThat("frames[0].opcode",frame.getOpCode(),is(OpCode.CLOSE));
            CloseInfo close = new CloseInfo(frame);
            Assert.assertThat("Close Status Code",close.getStatusCode(),is(StatusCode.NORMAL));
            
            // Notify server of close handshake
            client.write(close.asFrame()); // respond with close
            
            // ensure server socket got close event
            Assert.assertThat("Fast Close Latch",closeSocket.closeLatch.await(1,TimeUnit.SECONDS),is(true));
            Assert.assertThat("Fast Close.statusCode",closeSocket.closeStatusCode,is(StatusCode.NORMAL));
        }

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Examples of org.eclipse.jetty.websocket.common.test.BlockheadClient

     * Test fast fail (bug #410537)
     */
    @Test
    public void testFastFail() throws Exception
    {
        try (BlockheadClient client = new BlockheadClient(server.getServerUri()))
        {
            client.setProtocols("fastfail");
            client.setTimeout(1,TimeUnit.SECONDS);
            try (StacklessLogging scope = new StacklessLogging(AbstractEventDriver.class))
            {
                client.connect();
                client.sendStandardRequest();
                client.expectUpgradeResponse();


                EventQueue<WebSocketFrame> frames = client.readFrames(1,1,TimeUnit.SECONDS);
                WebSocketFrame frame = frames.poll();
                Assert.assertThat("frames[0].opcode",frame.getOpCode(),is(OpCode.CLOSE));
                CloseInfo close = new CloseInfo(frame);
                Assert.assertThat("Close Status Code",close.getStatusCode(),is(StatusCode.SERVER_ERROR));


                client.write(close.asFrame()); // respond with close


                // ensure server socket got close event
                Assert.assertThat("Fast Fail Latch",closeSocket.closeLatch.await(1,TimeUnit.SECONDS),is(true));
                Assert.assertThat("Fast Fail.statusCode",closeSocket.closeStatusCode,is(StatusCode.SERVER_ERROR));
                Assert.assertThat("Fast Fail.errors",closeSocket.errors.size(),is(1));

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Examples of org.eclipse.jetty.websocket.common.test.BlockheadClient

     * Test IdleTimeout on server.
     */
    @Test
    public void testIdleTimeout() throws Exception
    {
        BlockheadClient client = new BlockheadClient(server.getServerUri());
        client.setProtocols("onConnect");
        client.setTimeout(2500,TimeUnit.MILLISECONDS);
        try
        {
            client.connect();
            client.sendStandardRequest();
            client.expectUpgradeResponse();


            // This wait should be shorter than client timeout above, but
            // longer than server timeout configured in TimeoutServlet
            client.sleep(TimeUnit.MILLISECONDS,1000);


            // Write to server
            // This action is possible, but does nothing.
            // Server could be in a half-closed state at this point.
            // Where the server read is closed (due to timeout), but the server write is still open.
            // The server could not read this frame, if it is in this half closed state
            client.write(new TextFrame().setPayload("Hello"));


            // Expect server to have closed due to its own timeout
            EventQueue<WebSocketFrame> frames = client.readFrames(1,500,TimeUnit.MILLISECONDS);
            WebSocketFrame frame = frames.poll();
            Assert.assertThat("frame opcode",frame.getOpCode(),is(OpCode.CLOSE));
            CloseInfo close = new CloseInfo(frame);
            Assert.assertThat("close code",close.getStatusCode(),is(StatusCode.SHUTDOWN));
            Assert.assertThat("close reason",close.getReason(),containsString("Timeout"));
        }
        finally
        {
            client.close();
        }
    }

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Examples of org.eclipse.jetty.websocket.common.test.BlockheadClient


    @Test
    public void testDisconnect() throws Exception
    {
        URI uri = server.getServerUri().resolve("/test/disconnect");
        try (BlockheadClient client = new BlockheadClient(uri))
        {
            client.connect();
            client.sendStandardRequest();
            client.expectUpgradeResponse();


            client.write(new TextFrame().setPayload("harsh-disconnect"));


            client.awaitDisconnect(1, TimeUnit.SECONDS);
        }
    }

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Examples of org.eclipse.jetty.websocket.common.test.BlockheadClient


    @Test
    public void testUpgradeRequestResponse() throws Exception
    {
        URI uri = server.getServerUri().resolve("/test?snack=cashews&amount=handful&brand=off");
        try (BlockheadClient client = new BlockheadClient(uri))
        {
            client.connect();
            client.sendStandardRequest();
            client.expectUpgradeResponse();


            // Ask the server socket for specific parameter map info
            client.write(new TextFrame().setPayload("getParameterMap|snack"));
            client.write(new TextFrame().setPayload("getParameterMap|amount"));
            client.write(new TextFrame().setPayload("getParameterMap|brand"));
            client.write(new TextFrame().setPayload("getParameterMap|cost")); // intentionally invalid


            // Read frame (hopefully text frame)
            EventQueue<WebSocketFrame> frames = client.readFrames(4,5,TimeUnit.SECONDS);
            WebSocketFrame tf = frames.poll();
            Assert.assertThat("Parameter Map[snack]", tf.getPayloadAsUTF8(), is("[cashews]"));
            tf = frames.poll();
            Assert.assertThat("Parameter Map[amount]", tf.getPayloadAsUTF8(), is("[handful]"));
            tf = frames.poll();

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Examples of org.eclipse.jetty.websocket.common.test.BlockheadClient

    }


    @Test
    public void testConnectionKeepAlive() throws Exception
    {
        try (BlockheadClient client = new BlockheadClient(server.getServerUri()))
        {
            // Odd Connection Header value seen in Firefox
            client.setConnectionValue("keep-alive, Upgrade");
            client.connect();
            client.sendStandardRequest();
            client.expectUpgradeResponse();


            // Generate text frame
            String msg = "this is an echo ... cho ... ho ... o";
            client.write(new TextFrame().setPayload(msg));


            // Read frame (hopefully text frame)
            EventQueue<WebSocketFrame> frames = client.readFrames(1, 500, TimeUnit.MILLISECONDS);
            WebSocketFrame tf = frames.poll();
            Assert.assertThat("Text Frame.status code", tf.getPayloadAsUTF8(), is(msg));
        }
    }

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Examples of org.eclipse.jetty.websocket.common.test.BlockheadClient

    }


    @Test
    public void testDeflateFrameExtension() throws Exception
    {
        BlockheadClient client = new BlockheadClient(server.getServerUri());
        client.clearExtensions();
        client.addExtensions("x-webkit-deflate-frame");
        client.setProtocols("echo");


        try
        {
            // Make sure the read times out if there are problems with the implementation
            client.setTimeout(1,TimeUnit.SECONDS);
            client.connect();
            client.sendStandardRequest();
            HttpResponse resp = client.expectUpgradeResponse();


            Assert.assertThat("Response",resp.getExtensionsHeader(),containsString("x-webkit-deflate-frame"));


            String msg = "Hello";


            // Client sends first message
            client.write(new TextFrame().setPayload(msg));


            EventQueue<WebSocketFrame> frames = client.readFrames(1,1000,TimeUnit.MILLISECONDS);
            WebSocketFrame frame = frames.poll();
            Assert.assertThat("TEXT.payload",frame.getPayloadAsUTF8(),is(msg.toString()));


            // Client sends second message
            client.clearCaptured();
            msg = "There";
            client.write(new TextFrame().setPayload(msg));


            frames = client.readFrames(1,1,TimeUnit.SECONDS);
            frame = frames.poll();
            Assert.assertThat("TEXT.payload",frame.getPayloadAsUTF8(),is(msg.toString()));
        }
        finally
        {
            client.close();
        }
    }

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Examples of org.eclipse.jetty.websocket.common.test.BlockheadClient

    public void testPerMessageDeflateDefault() throws Exception
    {
        Assume.assumeTrue("Server has x-webkit-deflate-frame registered",
                server.getWebSocketServletFactory().getExtensionFactory().isAvailable("permessage-deflate"));


        BlockheadClient client = new BlockheadClient(server.getServerUri());
        client.clearExtensions();
        client.addExtensions("permessage-deflate");
        client.setProtocols("echo");


        try
        {
            // Make sure the read times out if there are problems with the implementation
            client.setTimeout(1,TimeUnit.SECONDS);
            client.connect();
            client.sendStandardRequest();
            HttpResponse resp = client.expectUpgradeResponse();


            Assert.assertThat("Response",resp.getExtensionsHeader(),containsString("permessage-deflate"));


            String msg = "Hello";


            // Client sends first message
            client.write(new TextFrame().setPayload(msg));


            EventQueue<WebSocketFrame> frames = client.readFrames(1,1000,TimeUnit.MILLISECONDS);
            WebSocketFrame frame = frames.poll();
            Assert.assertThat("TEXT.payload",frame.getPayloadAsUTF8(),is(msg.toString()));


            // Client sends second message
            client.clearCaptured();
            msg = "There";
            client.write(new TextFrame().setPayload(msg));


            frames = client.readFrames(1,1,TimeUnit.SECONDS);
            frame = frames.poll();
            Assert.assertThat("TEXT.payload",frame.getPayloadAsUTF8(),is(msg.toString()));
        }
        finally
        {
            client.close();
        }
    }

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