Method assertRpcFails

okhttp/src/test/java/io/grpc/okhttp/TlsTest.java:763–782

(ManagedChannel channel)

  }

  private static Status assertRpcFails(ManagedChannel channel) {
    Status status = null;
    SimpleServiceGrpc.SimpleServiceBlockingStub stub = SimpleServiceGrpc.newBlockingStub(channel);
    try {
      stub.unaryRpc(SimpleRequest.getDefaultInstance());
      assertWithMessage("TLS handshake should have failed, but didn't; received RPC response")
          .fail();
    } catch (StatusRuntimeException e) {
      assertWithMessage(Throwables.getStackTraceAsString(e))
          .that(e.getStatus().getCode()).isEqualTo(Status.Code.UNAVAILABLE);
      status = e.getStatus();
    }
    // We really want to see TRANSIENT_FAILURE here, but if the test runs slowly the 1s backoff
    // may be exceeded by the time the failure happens (since it counts from the start of the
    // attempt). Even so, CONNECTING is a strong indicator that the handshake failed; otherwise we'd
    // expect READY or IDLE.
    assertThat(channel.getState(false))
        .isAnyOf(ConnectivityState.TRANSIENT_FAILURE, ConnectivityState.CONNECTING);
    return status;
  }

  private static final class SimpleServiceImpl extends SimpleServiceGrpc.SimpleServiceImplBase {
    @Override