private void assertIncoming(byte[] raw, String... expectedTextDatas) {
WebSocketPolicy policy = WebSocketPolicy.newClientPolicy();
DeflateFrameExtension ext = new DeflateFrameExtension();
ext.setBufferPool(bufferPool);
ext.setPolicy(policy);
ExtensionConfig config = ExtensionConfig.parse("deflate-frame");
ext.setConfig(config);
// Setup capture of incoming frames
IncomingFramesCapture capture = new IncomingFramesCapture();
// Wire up stack
ext.setNextIncomingFrames(capture);
Parser parser = new UnitParser(policy);
parser.configureFromExtensions(Collections.singletonList(ext));
parser.setIncomingFramesHandler(ext);
parser.parse(ByteBuffer.wrap(raw));
int len = expectedTextDatas.length;
capture.assertFrameCount(len);
capture.assertHasFrame(OpCode.TEXT, len);
int i = 0;
for (WebSocketFrame actual : capture.getFrames()) {
String prefix = "Frame[" + i + "]";
Assert.assertThat(prefix + ".opcode", actual.getOpCode(), is(OpCode.TEXT));
Assert.assertThat(prefix + ".fin", actual.isFin(), is(true));
Assert.assertThat(
prefix + ".rsv1", actual.isRsv1(), is(false)); // RSV1 should be unset at this point
Assert.assertThat(prefix + ".rsv2", actual.isRsv2(), is(false));
Assert.assertThat(prefix + ".rsv3", actual.isRsv3(), is(false));
ByteBuffer expected = BufferUtil.toBuffer(expectedTextDatas[i], StandardCharsets.UTF_8);
Assert.assertThat(
prefix + ".payloadLength", actual.getPayloadLength(), is(expected.remaining()));
ByteBufferAssert.assertEquals(prefix + ".payload", expected, actual.getPayload().slice());
i++;
}
}
@Test
public void testCompress_TimeTimeTime() {
// What pywebsocket produces for "time:", "time:", "time:"
String expected[] = new String[] {"2AC9CC4DB50200", "2A01110000", "02130000"};
// Lets see what we produce
CapturedHexPayloads capture = new CapturedHexPayloads();
DeflateFrameExtension ext = new DeflateFrameExtension();
init(ext);
ext.setNextOutgoingFrames(capture);
ext.outgoingFrame(new TextFrame().setPayload("time:"), null);
ext.outgoingFrame(new TextFrame().setPayload("time:"), null);
ext.outgoingFrame(new TextFrame().setPayload("time:"), null);
List<String> actual = capture.getCaptured();
Assert.assertThat("Compressed Payloads", actual, contains(expected));
}
@Test
public void testGeneratedTwoFrames() throws IOException {
WebSocketPolicy policy = WebSocketPolicy.newClientPolicy();
DeflateFrameExtension ext = new DeflateFrameExtension();
ext.setBufferPool(bufferPool);
ext.setPolicy(policy);
ext.setConfig(new ExtensionConfig(ext.getName()));
boolean validating = true;
Generator generator = new Generator(policy, bufferPool, validating);
generator.configureFromExtensions(Collections.singletonList(ext));
OutgoingNetworkBytesCapture capture = new OutgoingNetworkBytesCapture(generator);
ext.setNextOutgoingFrames(capture);
ext.outgoingFrame(new TextFrame().setPayload("Hello"), null);
ext.outgoingFrame(new TextFrame().setPayload("There"), null);
capture.assertBytes(0, "c107f248cdc9c90700");
}
private void assertOutgoing(String text, String expectedHex) throws IOException {
WebSocketPolicy policy = WebSocketPolicy.newClientPolicy();
DeflateFrameExtension ext = new DeflateFrameExtension();
ext.setBufferPool(bufferPool);
ext.setPolicy(policy);
ExtensionConfig config = ExtensionConfig.parse("deflate-frame");
ext.setConfig(config);
boolean validating = true;
Generator generator = new Generator(policy, bufferPool, validating);
generator.configureFromExtensions(Collections.singletonList(ext));
OutgoingNetworkBytesCapture capture = new OutgoingNetworkBytesCapture(generator);
ext.setNextOutgoingFrames(capture);
Frame frame = new TextFrame().setPayload(text);
ext.outgoingFrame(frame, null);
capture.assertBytes(0, expectedHex);
}
private void init(DeflateFrameExtension ext) {
ext.setConfig(new ExtensionConfig(ext.getName()));
ext.setBufferPool(bufferPool);
}