Examples with FlushSender io.servicetalk.transport.netty.internal.FlushStrategy.FlushSender used on opensource projects

Example 1 with FlushSender

use of io.servicetalk.transport.netty.internal.FlushStrategy.FlushSender in project servicetalk by apple.

the class FlushStrategyOverrideTest method overrideFlush.

@Test
void overrideFlush() throws Throwable {
    NettyConnectionContext nctx = (NettyConnectionContext) conn.connectionContext();
    MockFlushStrategy clientStrategy = new MockFlushStrategy();
    Cancellable c = nctx.updateFlushStrategy((old, isOriginal) -> isOriginal ? clientStrategy : old);
    CountDownLatch reqWritten = new CountDownLatch(1);
    StreamingHttpRequest req = client.get("/flush").payloadBody(from(1, 2, 3).map(count -> ctx.bufferAllocator().fromAscii("" + count)).afterFinally(reqWritten::countDown));
    Future<? extends Collection<Object>> clientResp = conn.request(req).flatMapPublisher(StreamingHttpResponse::messageBody).toFuture();
    // Wait for request to be written.
    reqWritten.await();
    FlushSender clientFlush = clientStrategy.verifyApplied();
    clientStrategy.verifyWriteStarted();
    clientStrategy.verifyItemWritten(5);
    clientStrategy.verifyWriteTerminated();
    clientFlush.flush();
    MockFlushStrategy serverStrategy = service.getLastUsedStrategy();
    FlushSender serverFlush = serverStrategy.verifyApplied();
    serverStrategy.verifyWriteStarted();
    serverStrategy.verifyItemWritten(5);
    serverStrategy.verifyWriteTerminated();
    serverFlush.flush();
    Collection<Object> chunks = clientResp.get();
    assertThat("Unexpected items received.", chunks, hasSize(3));
    // revert to flush on each.
    c.cancel();
    // No more custom strategies.
    Collection<Object> secondReqChunks = conn.request(conn.get("")).flatMapPublisher(StreamingHttpResponse::messageBody).toFuture().get();
    clientStrategy.verifyNoMoreInteractions();
    service.getLastUsedStrategy();
    serverStrategy.verifyNoMoreInteractions();
    assertThat("Unexpected payload for regular flush.", secondReqChunks, empty());
}