@Test
public void cancelInOnMessageShouldInvokeStreamCancel() throws Exception {
final ClientCallImpl<Void, Void> call =
new ClientCallImpl<Void, Void>(
DESCRIPTOR,
MoreExecutors.directExecutor(),
CallOptions.DEFAULT,
provider,
deadlineCancellationExecutor);
final Exception cause = new Exception();
ClientCall.Listener<Void> callListener =
new ClientCall.Listener<Void>() {
@Override
public void onMessage(Void message) {
call.cancel("foo", cause);
}
};
call.start(callListener, new Metadata());
call.halfClose();
call.request(1);
verify(stream).start(listenerArgumentCaptor.capture());
ClientStreamListener streamListener = listenerArgumentCaptor.getValue();
streamListener.onReady();
streamListener.headersRead(new Metadata());
streamListener.messageRead(new ByteArrayInputStream(new byte[0]));
verify(stream).cancel(statusCaptor.capture());
Status status = statusCaptor.getValue();
assertEquals(Status.CANCELLED.getCode(), status.getCode());
assertEquals("foo", status.getDescription());
assertSame(cause, status.getCause());
}
@Test
public void streamCancelAbortsDeadlineTimer() {
fakeClock.forwardTime(System.nanoTime(), TimeUnit.NANOSECONDS);
ClientCallImpl<Void, Void> call =
new ClientCallImpl<Void, Void>(
DESCRIPTOR,
MoreExecutors.directExecutor(),
CallOptions.DEFAULT.withDeadline(Deadline.after(1000, TimeUnit.MILLISECONDS)),
provider,
deadlineCancellationExecutor);
call.start(callListener, new Metadata());
call.cancel("canceled", null);
// Run the deadline timer, which should have been cancelled by the previous call to cancel()
fakeClock.forwardMillis(1001);
verify(stream, times(1)).cancel(statusCaptor.capture());
assertEquals(Status.CANCELLED.getCode(), statusCaptor.getValue().getCode());
}