public void cancelAfterBegin() throws Exception {
StreamRecorder<StreamingInputCallResponse> responseObserver = StreamRecorder.create();
StreamObserver<StreamingInputCallRequest> requestObserver =
asyncStub.streamingInputCall(responseObserver);
requestObserver.onError(new RuntimeException());
assertTrue(responseObserver.awaitCompletion(TIMEOUT_MILLIS, TimeUnit.MILLISECONDS));
assertEquals(Arrays.<StreamingInputCallResponse>asList(), responseObserver.getValues());
assertCodeEquals(
io.grpc.Status.CANCELLED, io.grpc.Status.fromThrowable(responseObserver.getError()));
}
/** Start a fullDuplexCall which the server will not respond, and verify the deadline expires. */
public void timeoutOnSleepingServer() throws Exception {
TestServiceGrpc.TestService stub =
TestServiceGrpc.newStub(channel).withDeadlineAfter(1, TimeUnit.MILLISECONDS);
StreamRecorder<StreamingOutputCallResponse> recorder = StreamRecorder.create();
StreamObserver<StreamingOutputCallRequest> requestObserver = stub.fullDuplexCall(recorder);
try {
StreamingOutputCallRequest request = new StreamingOutputCallRequest();
request.payload = new Messages.Payload();
request.payload.body = new byte[27182];
requestObserver.onNext(request);
} catch (IllegalStateException expected) {
// This can happen if the stream has already been terminated due to deadline exceeded.
}
assertTrue(recorder.awaitCompletion(TIMEOUT_MILLIS, TimeUnit.MILLISECONDS));
assertCodeEquals(
io.grpc.Status.DEADLINE_EXCEEDED, io.grpc.Status.fromThrowable(recorder.getError()));
}
public void deadlineExceededServerStreaming() throws Exception {
// warm up the channel and JVM
blockingStub.emptyCall(new EmptyProtos.Empty());
ResponseParameters responseParameters = new ResponseParameters();
responseParameters.size = 1;
responseParameters.intervalUs = 10000;
StreamingOutputCallRequest request = new StreamingOutputCallRequest();
request.responseType = Messages.COMPRESSABLE;
request.responseParameters = new ResponseParameters[4];
request.responseParameters[0] = responseParameters;
request.responseParameters[1] = responseParameters;
request.responseParameters[2] = responseParameters;
request.responseParameters[3] = responseParameters;
StreamRecorder<StreamingOutputCallResponse> recorder = StreamRecorder.create();
TestServiceGrpc.newStub(channel)
.withDeadlineAfter(30, TimeUnit.MILLISECONDS)
.streamingOutputCall(request, recorder);
assertTrue(recorder.awaitCompletion(TIMEOUT_MILLIS, TimeUnit.MILLISECONDS));
assertCodeEquals(
io.grpc.Status.DEADLINE_EXCEEDED, io.grpc.Status.fromThrowable(recorder.getError()));
}
private static void assertSuccess(StreamRecorder<?> recorder) {
if (recorder.getError() != null) {
throw new AssertionError(recorder.getError());
}
}
