@Test
public void testGarbageHeaders() {
// A response without headers - from https://github.com/netty/netty/issues/2103
byte[] data =
("<html>\r\n"
+ "<head><title>400 Bad Request</title></head>\r\n"
+ "<body bgcolor=\"white\">\r\n"
+ "<center><h1>400 Bad Request</h1></center>\r\n"
+ "<hr><center>nginx/1.1.19</center>\r\n"
+ "</body>\r\n"
+ "</html>\r\n")
.getBytes();
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(Unpooled.wrappedBuffer(data));
// Garbage input should generate the 999 Unknown response.
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_0));
assertThat(res.getStatus().code(), is(999));
assertThat(res.getDecoderResult().isFailure(), is(true));
assertThat(res.getDecoderResult().isFinished(), is(true));
assertThat(ch.readInbound(), is(nullValue()));
// More garbage should not generate anything (i.e. the decoder discards anything beyond this
// point.)
ch.writeInbound(Unpooled.wrappedBuffer(data));
assertThat(ch.readInbound(), is(nullValue()));
// Closing the connection should not generate anything since the protocol has been violated.
ch.finish();
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testResponseWithContentLength() {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\n" + "Content-Length: 10\r\n" + "\r\n", CharsetUtil.US_ASCII));
byte[] data = new byte[10];
for (int i = 0; i < data.length; i++) {
data[i] = (byte) i;
}
ch.writeInbound(Unpooled.wrappedBuffer(data, 0, data.length / 2));
ch.writeInbound(Unpooled.wrappedBuffer(data, 5, data.length / 2));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
HttpContent firstContent = ch.readInbound();
assertThat(firstContent.content().readableBytes(), is(5));
assertEquals(Unpooled.wrappedBuffer(data, 0, 5), firstContent.content());
firstContent.release();
LastHttpContent lastContent = ch.readInbound();
assertEquals(5, lastContent.content().readableBytes());
assertEquals(Unpooled.wrappedBuffer(data, 5, 5), lastContent.content());
lastContent.release();
assertThat(ch.finish(), is(false));
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testWebSocketResponse() {
byte[] data =
("HTTP/1.1 101 WebSocket Protocol Handshake\r\n"
+ "Upgrade: WebSocket\r\n"
+ "Connection: Upgrade\r\n"
+ "Sec-WebSocket-Origin: http://localhost:8080\r\n"
+ "Sec-WebSocket-Location: ws://localhost/some/path\r\n"
+ "\r\n"
+ "1234567812345678")
.getBytes();
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(Unpooled.wrappedBuffer(data));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.SWITCHING_PROTOCOLS));
HttpContent content = ch.readInbound();
assertThat(content.content().readableBytes(), is(16));
content.release();
assertThat(ch.finish(), is(false));
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testLastResponseWithTrailingHeader() {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\n"
+ "Transfer-Encoding: chunked\r\n"
+ "\r\n"
+ "0\r\n"
+ "Set-Cookie: t1=t1v1\r\n"
+ "Set-Cookie: t2=t2v2; Expires=Wed, 09-Jun-2021 10:18:14 GMT\r\n"
+ "\r\n",
CharsetUtil.US_ASCII));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
LastHttpContent lastContent = ch.readInbound();
assertThat(lastContent.content().isReadable(), is(false));
HttpHeaders headers = lastContent.trailingHeaders();
assertEquals(1, headers.names().size());
List<String> values = headers.getAll("Set-Cookie");
assertEquals(2, values.size());
assertTrue(values.contains("t1=t1v1"));
assertTrue(values.contains("t2=t2v2; Expires=Wed, 09-Jun-2021 10:18:14 GMT"));
lastContent.release();
assertThat(ch.finish(), is(false));
assertThat(ch.readInbound(), is(nullValue()));
}
private static void testLastResponseWithTrailingHeaderFragmented(
byte[] content, int fragmentSize) {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
int headerLength = 47;
// split up the header
for (int a = 0; a < headerLength; ) {
int amount = fragmentSize;
if (a + amount > headerLength) {
amount = headerLength - a;
}
// if header is done it should produce a HttpRequest
boolean headerDone = a + amount == headerLength;
assertEquals(headerDone, ch.writeInbound(Unpooled.wrappedBuffer(content, a, amount)));
a += amount;
}
ch.writeInbound(Unpooled.wrappedBuffer(content, headerLength, content.length - headerLength));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
LastHttpContent lastContent = ch.readInbound();
assertThat(lastContent.content().isReadable(), is(false));
HttpHeaders headers = lastContent.trailingHeaders();
assertEquals(1, headers.names().size());
List<String> values = headers.getAll("Set-Cookie");
assertEquals(2, values.size());
assertTrue(values.contains("t1=t1v1"));
assertTrue(values.contains("t2=t2v2; Expires=Wed, 09-Jun-2021 10:18:14 GMT"));
lastContent.release();
assertThat(ch.finish(), is(false));
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testLastResponseWithHeaderRemoveTrailingSpaces() {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\nX-Header: h2=h2v2; Expires=Wed, 09-Jun-2021 10:18:14 GMT \r\n\r\n",
CharsetUtil.US_ASCII));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
assertThat(res.headers().get("X-Header"), is("h2=h2v2; Expires=Wed, 09-Jun-2021 10:18:14 GMT"));
assertThat(ch.readInbound(), is(nullValue()));
ch.writeInbound(Unpooled.wrappedBuffer(new byte[1024]));
HttpContent content = ch.readInbound();
assertThat(content.content().readableBytes(), is(1024));
content.release();
assertThat(ch.finish(), is(true));
LastHttpContent lastContent = ch.readInbound();
assertThat(lastContent.content().isReadable(), is(false));
lastContent.release();
assertThat(ch.readInbound(), is(nullValue()));
}
/**
* This test makes sure that even when the decoder is confronted with various chunk sizes in the
* middle of decoding, it can recover and decode all the time eventually.
*/
@Test
public void shouldHandleNonUniformNetworkBatches() {
ByteBuf incoming = Unpooled.copiedBuffer(SET_REQUEST_WITH_CONTENT);
while (incoming.isReadable()) {
channel.writeInbound(incoming.readBytes(5));
}
BinaryMemcacheRequest request = (BinaryMemcacheRequest) channel.readInbound();
assertThat(request, notNullValue());
assertThat(request.getHeader(), notNullValue());
assertThat(request.getKey(), notNullValue());
assertThat(request.getExtras(), nullValue());
request.release();
MemcacheContent content1 = (MemcacheContent) channel.readInbound();
MemcacheContent content2 = (MemcacheContent) channel.readInbound();
assertThat(content1, instanceOf(MemcacheContent.class));
assertThat(content2, instanceOf(LastMemcacheContent.class));
assertThat(content1.content().readableBytes(), is(3));
assertThat(content2.content().readableBytes(), is(5));
content1.release();
content2.release();
}
@Test
public void testPrematureClosureWithChunkedEncoding2() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
// Write the partial response.
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n8\r\n12345678",
CharsetUtil.US_ASCII));
// Read the response headers.
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
assertThat(res.headers().get(Names.TRANSFER_ENCODING), is("chunked"));
// Read the partial content.
HttpContent content = ch.readInbound();
assertThat(content.content().toString(CharsetUtil.US_ASCII), is("12345678"));
assertThat(content, is(not(instanceOf(LastHttpContent.class))));
content.release();
assertThat(ch.readInbound(), is(nullValue()));
// Close the connection.
ch.finish();
// The decoder should not generate the last chunk because it's closed prematurely.
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testClosureWithoutContentLength2() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
// Write the partial response.
ch.writeInbound(Unpooled.copiedBuffer("HTTP/1.1 200 OK\r\n\r\n12345678", CharsetUtil.US_ASCII));
// Read the response headers.
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
// Read the partial content.
HttpContent content = ch.readInbound();
assertThat(content.content().toString(CharsetUtil.US_ASCII), is("12345678"));
assertThat(content, is(not(instanceOf(LastHttpContent.class))));
content.release();
assertThat(ch.readInbound(), is(nullValue()));
// Close the connection.
assertTrue(ch.finish());
// The decoder should still produce the last content.
LastHttpContent lastContent = ch.readInbound();
assertThat(lastContent.content().isReadable(), is(false));
lastContent.release();
// But nothing more.
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testTinyDecode() {
byte[] b = {4, 1, 1, 1, 1};
ch.writeInbound(wrappedBuffer(b, 0, 1));
assertThat(ch.readInbound(), is(nullValue()));
ch.writeInbound(wrappedBuffer(b, 1, 2));
assertThat(ch.readInbound(), is(nullValue()));
ch.writeInbound(wrappedBuffer(b, 3, b.length - 3));
assertThat(
releaseLater((ByteBuf) ch.readInbound()),
is(releaseLater(wrappedBuffer(new byte[] {1, 1, 1, 1}))));
}
@Test
public void testResponseChunkedExceedMaxChunkSize() {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder(4096, 8192, 32));
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n", CharsetUtil.US_ASCII));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
byte[] data = new byte[64];
for (int i = 0; i < data.length; i++) {
data[i] = (byte) i;
}
for (int i = 0; i < 10; i++) {
assertFalse(
ch.writeInbound(
Unpooled.copiedBuffer(
Integer.toHexString(data.length) + "\r\n", CharsetUtil.US_ASCII)));
assertTrue(ch.writeInbound(Unpooled.wrappedBuffer(data)));
byte[] decodedData = new byte[data.length];
HttpContent content = ch.readInbound();
assertEquals(32, content.content().readableBytes());
content.content().readBytes(decodedData, 0, 32);
content.release();
content = ch.readInbound();
assertEquals(32, content.content().readableBytes());
content.content().readBytes(decodedData, 32, 32);
assertArrayEquals(data, decodedData);
content.release();
assertFalse(ch.writeInbound(Unpooled.copiedBuffer("\r\n", CharsetUtil.US_ASCII)));
}
// Write the last chunk.
ch.writeInbound(Unpooled.copiedBuffer("0\r\n\r\n", CharsetUtil.US_ASCII));
// Ensure the last chunk was decoded.
LastHttpContent content = ch.readInbound();
assertFalse(content.content().isReadable());
content.release();
ch.finish();
assertNull(ch.readInbound());
}
@Test
public void testGZIP2() throws Exception {
ByteBuf data = Unpooled.wrappedBuffer("message".getBytes(CharsetUtil.UTF_8));
ByteBuf deflatedData = Unpooled.wrappedBuffer(gzip("message"));
EmbeddedChannel chDecoderGZip = new EmbeddedChannel(createDecoder(ZlibWrapper.GZIP));
chDecoderGZip.writeInbound(deflatedData.copy());
assertTrue(chDecoderGZip.finish());
ByteBuf buf = chDecoderGZip.readInbound();
assertEquals(buf, data);
assertNull(chDecoderGZip.readInbound());
data.release();
deflatedData.release();
buf.release();
}
private void testCompress0(ZlibWrapper encoderWrapper, ZlibWrapper decoderWrapper, ByteBuf data)
throws Exception {
EmbeddedChannel chEncoder = new EmbeddedChannel(createEncoder(encoderWrapper));
chEncoder.writeOutbound(data.copy());
chEncoder.flush();
EmbeddedChannel chDecoderZlib = new EmbeddedChannel(createDecoder(decoderWrapper));
for (; ; ) {
ByteBuf deflatedData = chEncoder.readOutbound();
if (deflatedData == null) {
break;
}
chDecoderZlib.writeInbound(deflatedData);
}
byte[] decompressed = new byte[data.readableBytes()];
int offset = 0;
for (; ; ) {
ByteBuf buf = chDecoderZlib.readInbound();
if (buf == null) {
break;
}
int length = buf.readableBytes();
buf.readBytes(decompressed, offset, length);
offset += length;
buf.release();
if (offset == decompressed.length) {
break;
}
}
assertEquals(data, Unpooled.wrappedBuffer(decompressed));
assertNull(chDecoderZlib.readInbound());
// Closing an encoder channel will generate a footer.
assertTrue(chEncoder.finish());
for (; ; ) {
Object msg = chEncoder.readOutbound();
if (msg == null) {
break;
}
ReferenceCountUtil.release(msg);
}
// But, the footer will be decoded into nothing. It's only for validation.
assertFalse(chDecoderZlib.finish());
data.release();
}
@Test
public void testDummyIncoming() {
ch.writeInbound(Unpooled.wrappedBuffer(new byte[] {0x02, (byte) 0xFF, 0x01, 23}));
UsnIncomingMessage msg = (UsnIncomingMessage) ch.readInbound();
assertEquals(msg.getMessageType(), DUMMY_INCOMING);
}
@Test
public void testDummyOutgoingAck() {
ch.writeInbound(Unpooled.wrappedBuffer(new byte[] {(byte) 0x81, (byte) 0xFF, 0x00}));
UsnIncomingMessage msg = (UsnIncomingMessage) ch.readInbound();
assertEquals(msg.getMessageType(), DUMMY_OUTGOING_ACK);
}
@Test
public void testRemoveItselfWithReplayError() {
EmbeddedChannel channel =
new EmbeddedChannel(
new ReplayingDecoder() {
private boolean removed;
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out)
throws Exception {
assertFalse(removed);
ctx.pipeline().remove(this);
in.readBytes(1000);
removed = true;
}
});
ByteBuf buf = Unpooled.wrappedBuffer(new byte[] {'a', 'b', 'c'});
channel.writeInbound(buf.copy());
ByteBuf b = channel.readInbound();
assertEquals("Expect to have still all bytes in the buffer", b, buf);
b.release();
buf.release();
}
@Test
public void testValidInitRequest() throws Exception {
// Given
EmbeddedChannel channel = new EmbeddedChannel(new InitRequestHandler());
InitRequest initRequest =
new InitRequest(
42,
InitMessage.DEFAULT_VERSION,
new HashMap<String, String>() {
{
put(InitMessage.HOST_PORT_KEY, "0.0.0.0:0");
put(InitMessage.PROCESS_NAME_KEY, "test-process");
}
});
channel.writeInbound(initRequest);
channel.writeOutbound(channel.readInbound());
// Then
InitResponse initResponse = channel.readOutbound();
// Assert
assertNotNull(initResponse);
assertEquals(initRequest.getId(), initResponse.getId());
assertEquals(initRequest.getVersion(), initResponse.getVersion());
assertEquals(initRequest.getHostPort(), initResponse.getHostPort());
}
@Test
public void testRemoveItselfWriteBuffer() {
final ByteBuf buf = Unpooled.buffer().writeBytes(new byte[] {'a', 'b', 'c'});
EmbeddedChannel channel =
new EmbeddedChannel(
new ReplayingDecoder() {
private boolean removed;
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out)
throws Exception {
assertFalse(removed);
in.readByte();
ctx.pipeline().remove(this);
// This should not let it keep call decode
buf.writeByte('d');
removed = true;
}
});
channel.writeInbound(buf.copy());
ByteBuf b = channel.readInbound();
assertEquals(b, Unpooled.wrappedBuffer(new byte[] {'b', 'c'}));
b.release();
buf.release();
}
@Test
public void testRemoveAndWriteAllReentrance() {
EmbeddedChannel channel = new EmbeddedChannel(new ChannelInboundHandlerAdapter());
final PendingWriteQueue queue = new PendingWriteQueue(channel.pipeline().firstContext());
ChannelPromise promise = channel.newPromise();
promise.addListener(
new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
queue.removeAndWriteAll();
}
});
queue.add(1L, promise);
ChannelPromise promise2 = channel.newPromise();
queue.add(2L, promise2);
queue.removeAndWriteAll();
channel.flush();
assertTrue(promise.isSuccess());
assertTrue(promise2.isSuccess());
assertTrue(channel.finish());
assertEquals(1L, channel.readOutbound());
assertEquals(2L, channel.readOutbound());
assertNull(channel.readOutbound());
assertNull(channel.readInbound());
}
@Test
public void testInboundChainNoChanges() throws Exception {
List<Interceptor> interceptors = new ArrayList<>();
MockInterceptor interceptor1 = new MockInterceptor();
MockInterceptor interceptor2 = new MockInterceptor();
interceptors.add(interceptor1);
interceptors.add(interceptor2);
EmbeddedChannel channel =
new EmbeddedChannel(
new ChannelDuplexHandler() {
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
InterceptorChain chain =
new InterceptorChain(ctx, interceptors, (ResourceRequest) msg);
chain.fireInbound();
}
});
ResourceRequest request =
new DefaultResourceRequest.Builder(RequestType.READ, new ResourcePath("/foo/bar")).build();
channel.writeInbound(request);
ResourceRequest endRequest = (ResourceRequest) channel.readInbound();
assertThat(endRequest).isNotNull();
assertThat(interceptor1.requests()).hasSize(1);
assertThat(interceptor1.requests()).contains(request);
assertThat(interceptor2.requests()).hasSize(1);
assertThat(interceptor2.requests()).contains(request);
}
private void testCompressNone(ZlibWrapper encoderWrapper, ZlibWrapper decoderWrapper)
throws Exception {
EmbeddedChannel chEncoder = new EmbeddedChannel(createEncoder(encoderWrapper));
// Closing an encoder channel without writing anything should generate both header and footer.
assertTrue(chEncoder.finish());
EmbeddedChannel chDecoderZlib = new EmbeddedChannel(createDecoder(decoderWrapper));
for (; ; ) {
ByteBuf deflatedData = chEncoder.readOutbound();
if (deflatedData == null) {
break;
}
chDecoderZlib.writeInbound(deflatedData);
}
// Decoder should not generate anything at all.
for (; ; ) {
ByteBuf buf = chDecoderZlib.readInbound();
if (buf == null) {
break;
}
buf.release();
fail("should decode nothing");
}
assertFalse(chDecoderZlib.finish());
}
@Test
public void testReplacement() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new BloatedLineDecoder());
// "AB" should be forwarded to LineDecoder by BloatedLineDecoder.
ch.writeInbound(Unpooled.wrappedBuffer(new byte[] {'A', 'B'}));
assertNull(ch.readInbound());
// "C\n" should be appended to "AB" so that LineDecoder decodes it correctly.
ch.writeInbound(Unpooled.wrappedBuffer(new byte[] {'C', '\n'}));
assertEquals(
releaseLater(Unpooled.wrappedBuffer(new byte[] {'A', 'B', 'C'})),
releaseLater(ch.readInbound()));
ch.finish();
assertNull(ch.readInbound());
}
@Test
public void testRegularDecode() {
byte[] b = new byte[2048];
for (int i = 2; i < 2048; i++) {
b[i] = 1;
}
b[0] = -2;
b[1] = 15;
ch.writeInbound(wrappedBuffer(b, 0, 127));
assertThat(ch.readInbound(), is(nullValue()));
ch.writeInbound(wrappedBuffer(b, 127, 600));
assertThat(ch.readInbound(), is(nullValue()));
ch.writeInbound(wrappedBuffer(b, 727, b.length - 727));
assertThat(
releaseLater((ByteBuf) ch.readInbound()),
is(releaseLater(wrappedBuffer(b, 2, b.length - 2))));
}
private static void testPerformOpeningHandshake0(boolean subProtocol) {
EmbeddedChannel ch =
new EmbeddedChannel(
new HttpObjectAggregator(42), new HttpRequestDecoder(), new HttpResponseEncoder());
FullHttpRequest req =
ReferenceCountUtil.releaseLater(
new DefaultFullHttpRequest(
HTTP_1_1,
HttpMethod.GET,
"/chat",
Unpooled.copiedBuffer("^n:ds[4U", CharsetUtil.US_ASCII)));
req.headers().set(HttpHeaderNames.HOST, "server.example.com");
req.headers().set(HttpHeaderNames.UPGRADE, HttpHeaderValues.WEBSOCKET);
req.headers().set(HttpHeaderNames.CONNECTION, "Upgrade");
req.headers().set(HttpHeaderNames.ORIGIN, "http://example.com");
req.headers().set(HttpHeaderNames.SEC_WEBSOCKET_KEY1, "4 @1 46546xW%0l 1 5");
req.headers().set(HttpHeaderNames.SEC_WEBSOCKET_KEY2, "12998 5 Y3 1 .P00");
req.headers().set(HttpHeaderNames.SEC_WEBSOCKET_PROTOCOL, "chat, superchat");
if (subProtocol) {
new WebSocketServerHandshaker00("ws://example.com/chat", "chat", Integer.MAX_VALUE)
.handshake(ch, req);
} else {
new WebSocketServerHandshaker00("ws://example.com/chat", null, Integer.MAX_VALUE)
.handshake(ch, req);
}
EmbeddedChannel ch2 = new EmbeddedChannel(new HttpResponseDecoder());
ch2.writeInbound(ch.readOutbound());
HttpResponse res = ch2.readInbound();
Assert.assertEquals(
"ws://example.com/chat", res.headers().get(HttpHeaderNames.SEC_WEBSOCKET_LOCATION));
if (subProtocol) {
Assert.assertEquals("chat", res.headers().get(HttpHeaderNames.SEC_WEBSOCKET_PROTOCOL));
} else {
Assert.assertNull(res.headers().get(HttpHeaderNames.SEC_WEBSOCKET_PROTOCOL));
}
LastHttpContent content = ch2.readInbound();
Assert.assertEquals("8jKS'y:G*Co,Wxa-", content.content().toString(CharsetUtil.US_ASCII));
content.release();
}
@Test
public void testSingleDecode() throws Exception {
LineDecoder decoder = new LineDecoder();
decoder.setSingleDecode(true);
EmbeddedChannel ch = new EmbeddedChannel(decoder);
// "C\n" should be appended to "AB" so that LineDecoder decodes it correctly.
ch.writeInbound(Unpooled.wrappedBuffer(new byte[] {'C', '\n', 'B', '\n'}));
assertEquals(
releaseLater(Unpooled.wrappedBuffer(new byte[] {'C'})), releaseLater(ch.readInbound()));
assertNull("Must be null as it must only decode one frame", ch.readInbound());
ch.read();
ch.finish();
assertEquals(
releaseLater(Unpooled.wrappedBuffer(new byte[] {'B'})), releaseLater(ch.readInbound()));
assertNull(ch.readInbound());
}
@Test
public void testLastResponseWithEmptyHeaderAndEmptyContent() {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(Unpooled.copiedBuffer("HTTP/1.1 200 OK\r\n\r\n", CharsetUtil.US_ASCII));
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
assertThat(ch.readInbound(), is(nullValue()));
assertThat(ch.finish(), is(true));
LastHttpContent content = ch.readInbound();
assertThat(content.content().isReadable(), is(false));
content.release();
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testPrematureClosureWithChunkedEncoding1() throws Exception {
EmbeddedChannel ch = new EmbeddedChannel(new HttpResponseDecoder());
ch.writeInbound(
Unpooled.copiedBuffer(
"HTTP/1.1 200 OK\r\nTransfer-Encoding: chunked\r\n\r\n", CharsetUtil.US_ASCII));
// Read the response headers.
HttpResponse res = ch.readInbound();
assertThat(res.getProtocolVersion(), sameInstance(HttpVersion.HTTP_1_1));
assertThat(res.getStatus(), is(HttpResponseStatus.OK));
assertThat(res.headers().get(Names.TRANSFER_ENCODING), is("chunked"));
assertThat(ch.readInbound(), is(nullValue()));
// Close the connection without sending anything.
ch.finish();
// The decoder should not generate the last chunk because it's closed prematurely.
assertThat(ch.readInbound(), is(nullValue()));
}
@Test
public void testInitHandlerRemovesItself() throws Exception {
// Given
EmbeddedChannel channel = new EmbeddedChannel(new InitRequestHandler());
assertEquals(3, channel.pipeline().names().size());
InitRequest initRequest =
new InitRequest(
42,
InitMessage.DEFAULT_VERSION,
new HashMap<String, String>() {
{
put(InitMessage.HOST_PORT_KEY, "0.0.0.0:0");
put(InitMessage.PROCESS_NAME_KEY, "test-process");
}
});
channel.writeInbound(initRequest);
channel.writeOutbound(channel.readInbound());
// Then
InitResponse initResponse = channel.readOutbound();
// Assert
assertNotNull(initResponse);
assertEquals(initRequest.getId(), initResponse.getId());
assertEquals(initRequest.getVersion(), initResponse.getVersion());
assertEquals(initRequest.getHostPort(), initResponse.getHostPort());
// Assert Pipeline is empty
assertEquals(2, channel.pipeline().names().size());
// Make sure Messages are still passed through
channel.writeInbound(initRequest);
channel.writeOutbound(channel.readInbound());
InitRequest sameInitRequest = channel.readOutbound();
assertEquals(initRequest.getId(), sameInitRequest.getId());
assertEquals(initRequest.getVersion(), sameInitRequest.getVersion());
assertEquals(initRequest.getHostPort(), sameInitRequest.getHostPort());
}
@Test
public void testInboundChainShortCircuit() throws Exception {
List<Interceptor> interceptors = new ArrayList<>();
ResourceRequest request =
new DefaultResourceRequest.Builder(RequestType.READ, new ResourcePath("/foo/bar")).build();
ResourceResponse response =
new DefaultResourceErrorResponse(request, ResourceErrorResponse.ErrorType.NOT_AUTHORIZED);
MockInterceptor interceptor1 = new MockInterceptor();
MockInterceptor interceptor2 =
new MockInterceptor() {
@Override
public void onInbound(InboundInterceptorContext context) throws Exception {
requests.add(context.request());
context.replyWith(response);
}
};
MockInterceptor interceptor3 = new MockInterceptor();
interceptors.add(interceptor1);
interceptors.add(interceptor2);
interceptors.add(interceptor3);
EmbeddedChannel channel =
new EmbeddedChannel(
new ChannelDuplexHandler() {
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
InterceptorChain chain =
new InterceptorChain(ctx, interceptors, (ResourceRequest) msg);
chain.fireInbound();
}
});
channel.writeInbound(request);
ResourceRequest endRequest = (ResourceRequest) channel.readInbound();
Object endResponse = channel.readOutbound();
assertThat(endRequest).isNull();
assertThat(interceptor1.requests()).hasSize(1);
assertThat(interceptor1.requests()).contains(request);
assertThat(interceptor2.requests()).hasSize(1);
assertThat(interceptor2.requests()).contains(request);
assertThat(interceptor3.requests()).isEmpty();
assertThat(interceptor3.responses()).isEmpty();
assertThat(interceptor2.responses()).isEmpty();
assertThat(interceptor1.responses()).hasSize(1);
assertThat(interceptor1.responses()).contains(response);
}
/** This tests a simple GET request with a key as the value. */
@Test
public void shouldDecodeRequestWithSimpleValue() {
ByteBuf incoming = Unpooled.buffer();
incoming.writeBytes(GET_REQUEST);
channel.writeInbound(incoming);
BinaryMemcacheRequest request = (BinaryMemcacheRequest) channel.readInbound();
assertThat(request, notNullValue());
assertThat(request.getHeader(), notNullValue());
assertThat(request.getKey(), notNullValue());
assertThat(request.getExtras(), nullValue());
BinaryMemcacheRequestHeader header = request.getHeader();
assertThat(header.getKeyLength(), is((short) 3));
assertThat(header.getExtrasLength(), is((byte) 0));
assertThat(header.getTotalBodyLength(), is(3));
request.release();
assertThat(channel.readInbound(), instanceOf(LastMemcacheContent.class));
}
