Examples with RouteGuideImplBase io.grpc.examples.routeguide.RouteGuideGrpc.RouteGuideImplBase used on opensource projects

Example 6 with RouteGuideImplBase

use of io.grpc.examples.routeguide.RouteGuideGrpc.RouteGuideImplBase in project grpc-java by grpc.

the class RouteGuideClientTest method routeChat_simpleResponse.

/**
   * Example for testing bi-directional call.
   */
@Test
public void routeChat_simpleResponse() throws Exception {
    RouteNote fakeResponse1 = RouteNote.newBuilder().setMessage("dummy msg1").build();
    RouteNote fakeResponse2 = RouteNote.newBuilder().setMessage("dummy msg2").build();
    final List<String> messagesDelivered = new ArrayList<String>();
    final List<Point> locationsDelivered = new ArrayList<Point>();
    final AtomicReference<StreamObserver<RouteNote>> responseObserverRef = new AtomicReference<StreamObserver<RouteNote>>();
    final CountDownLatch allRequestsDelivered = new CountDownLatch(1);
    // implement the fake service
    RouteGuideImplBase routeChatImpl = new RouteGuideImplBase() {

        @Override
        public StreamObserver<RouteNote> routeChat(StreamObserver<RouteNote> responseObserver) {
            responseObserverRef.set(responseObserver);
            StreamObserver<RouteNote> requestObserver = new StreamObserver<RouteNote>() {

                @Override
                public void onNext(RouteNote value) {
                    messagesDelivered.add(value.getMessage());
                    locationsDelivered.add(value.getLocation());
                }

                @Override
                public void onError(Throwable t) {
                }

                @Override
                public void onCompleted() {
                    allRequestsDelivered.countDown();
                }
            };
            return requestObserver;
        }
    };
    serviceRegistry.addService(routeChatImpl);
    // start routeChat
    CountDownLatch latch = client.routeChat();
    // request message sent and delivered for four times
    assertTrue(allRequestsDelivered.await(1, TimeUnit.SECONDS));
    assertEquals(Arrays.asList("First message", "Second message", "Third message", "Fourth message"), messagesDelivered);
    assertEquals(Arrays.asList(Point.newBuilder().setLatitude(0).setLongitude(0).build(), Point.newBuilder().setLatitude(0).setLongitude(1).build(), Point.newBuilder().setLatitude(1).setLongitude(0).build(), Point.newBuilder().setLatitude(1).setLongitude(1).build()), locationsDelivered);
    // Let the server send out two simple response messages
    // and verify that the client receives them.
    // Allow some timeout for verify() if not using directExecutor
    responseObserverRef.get().onNext(fakeResponse1);
    verify(testHelper).onMessage(fakeResponse1);
    responseObserverRef.get().onNext(fakeResponse2);
    verify(testHelper).onMessage(fakeResponse2);
    // let server complete.
    responseObserverRef.get().onCompleted();
    assertTrue(latch.await(1, TimeUnit.SECONDS));
    verify(testHelper, never()).onRpcError(any(Throwable.class));
}

Example 7 with RouteGuideImplBase

use of io.grpc.examples.routeguide.RouteGuideGrpc.RouteGuideImplBase in project grpc-java by grpc.

the class RouteGuideClientTest method listFeatures_error.

/**
   * Example for testing blocking server-streaming.
   */
@Test
public void listFeatures_error() {
    final Feature responseFeature1 = Feature.newBuilder().setName("feature 1").build();
    final AtomicReference<Rectangle> rectangleDelivered = new AtomicReference<Rectangle>();
    final StatusRuntimeException fakeError = new StatusRuntimeException(Status.INVALID_ARGUMENT);
    // implement the fake service
    RouteGuideImplBase listFeaturesImpl = new RouteGuideImplBase() {

        @Override
        public void listFeatures(Rectangle rectangle, StreamObserver<Feature> responseObserver) {
            rectangleDelivered.set(rectangle);
            // send one response message
            responseObserver.onNext(responseFeature1);
            // let the rpc fail
            responseObserver.onError(fakeError);
        }
    };
    serviceRegistry.addService(listFeaturesImpl);
    client.listFeatures(1, 2, 3, 4);
    assertEquals(Rectangle.newBuilder().setLo(Point.newBuilder().setLatitude(1).setLongitude(2).build()).setHi(Point.newBuilder().setLatitude(3).setLongitude(4).build()).build(), rectangleDelivered.get());
    ArgumentCaptor<Throwable> errorCaptor = ArgumentCaptor.forClass(Throwable.class);
    verify(testHelper).onMessage(responseFeature1);
    verify(testHelper).onRpcError(errorCaptor.capture());
    assertEquals(fakeError.getStatus(), Status.fromThrowable(errorCaptor.getValue()));
}

Example 8 with RouteGuideImplBase

use of io.grpc.examples.routeguide.RouteGuideGrpc.RouteGuideImplBase in project grpc-java by grpc.

the class RouteGuideClientTest method recordRoute_wrongResponse.

/**
   * Example for testing async client-streaming.
   */
@Test
public void recordRoute_wrongResponse() throws Exception {
    client.setRandom(noRandomness);
    Point point1 = Point.newBuilder().setLatitude(1).setLongitude(1).build();
    final Feature requestFeature1 = Feature.newBuilder().setLocation(point1).build();
    final List<Feature> features = Arrays.asList(requestFeature1);
    // implement the fake service
    RouteGuideImplBase recordRouteImpl = new RouteGuideImplBase() {

        @Override
        public StreamObserver<Point> recordRoute(StreamObserver<RouteSummary> responseObserver) {
            RouteSummary response = RouteSummary.getDefaultInstance();
            // sending more than one responses is not right for client-streaming call.
            responseObserver.onNext(response);
            responseObserver.onNext(response);
            responseObserver.onCompleted();
            return new StreamObserver<Point>() {

                @Override
                public void onNext(Point value) {
                }

                @Override
                public void onError(Throwable t) {
                }

                @Override
                public void onCompleted() {
                }
            };
        }
    };
    serviceRegistry.addService(recordRouteImpl);
    client.recordRoute(features, 4);
    ArgumentCaptor<Throwable> errorCaptor = ArgumentCaptor.forClass(Throwable.class);
    verify(testHelper).onRpcError(errorCaptor.capture());
    assertEquals(Status.Code.CANCELLED, Status.fromThrowable(errorCaptor.getValue()).getCode());
}

Example 9 with RouteGuideImplBase

use of io.grpc.examples.routeguide.RouteGuideGrpc.RouteGuideImplBase in project grpc-java by grpc.

the class RouteGuideClientTest method recordRoute.

/**
   * Example for testing async client-streaming.
   */
@Test
public void recordRoute() throws Exception {
    client.setRandom(noRandomness);
    Point point1 = Point.newBuilder().setLatitude(1).setLongitude(1).build();
    Point point2 = Point.newBuilder().setLatitude(2).setLongitude(2).build();
    Point point3 = Point.newBuilder().setLatitude(3).setLongitude(3).build();
    Feature requestFeature1 = Feature.newBuilder().setLocation(point1).build();
    Feature requestFeature2 = Feature.newBuilder().setLocation(point2).build();
    Feature requestFeature3 = Feature.newBuilder().setLocation(point3).build();
    final List<Feature> features = Arrays.asList(requestFeature1, requestFeature2, requestFeature3);
    final List<Point> pointsDelivered = new ArrayList<Point>();
    final RouteSummary fakeResponse = RouteSummary.newBuilder().setPointCount(7).setFeatureCount(8).setDistance(9).setElapsedTime(10).build();
    // implement the fake service
    RouteGuideImplBase recordRouteImpl = new RouteGuideImplBase() {

        @Override
        public StreamObserver<Point> recordRoute(final StreamObserver<RouteSummary> responseObserver) {
            StreamObserver<Point> requestObserver = new StreamObserver<Point>() {

                @Override
                public void onNext(Point value) {
                    pointsDelivered.add(value);
                }

                @Override
                public void onError(Throwable t) {
                }

                @Override
                public void onCompleted() {
                    responseObserver.onNext(fakeResponse);
                    responseObserver.onCompleted();
                }
            };
            return requestObserver;
        }
    };
    serviceRegistry.addService(recordRouteImpl);
    // send requestFeature1, requestFeature2, requestFeature3, and then requestFeature1 again
    client.recordRoute(features, 4);
    assertEquals(Arrays.asList(requestFeature1.getLocation(), requestFeature2.getLocation(), requestFeature3.getLocation(), requestFeature1.getLocation()), pointsDelivered);
    verify(testHelper).onMessage(fakeResponse);
    verify(testHelper, never()).onRpcError(any(Throwable.class));
}

Example 10 with RouteGuideImplBase

use of io.grpc.examples.routeguide.RouteGuideGrpc.RouteGuideImplBase in project grpc-java by grpc.

the class RouteGuideClientTest method recordRoute_serverError.

/**
   * Example for testing async client-streaming.
   */
@Test
public void recordRoute_serverError() throws Exception {
    client.setRandom(noRandomness);
    Point point1 = Point.newBuilder().setLatitude(1).setLongitude(1).build();
    final Feature requestFeature1 = Feature.newBuilder().setLocation(point1).build();
    final List<Feature> features = Arrays.asList(requestFeature1);
    final StatusRuntimeException fakeError = new StatusRuntimeException(Status.INVALID_ARGUMENT);
    // implement the fake service
    RouteGuideImplBase recordRouteImpl = new RouteGuideImplBase() {

        @Override
        public StreamObserver<Point> recordRoute(StreamObserver<RouteSummary> responseObserver) {
            // send an error immediately
            responseObserver.onError(fakeError);
            StreamObserver<Point> requestObserver = new StreamObserver<Point>() {

                @Override
                public void onNext(Point value) {
                }

                @Override
                public void onError(Throwable t) {
                }

                @Override
                public void onCompleted() {
                }
            };
            return requestObserver;
        }
    };
    serviceRegistry.addService(recordRouteImpl);
    client.recordRoute(features, 4);
    ArgumentCaptor<Throwable> errorCaptor = ArgumentCaptor.forClass(Throwable.class);
    verify(testHelper).onRpcError(errorCaptor.capture());
    assertEquals(fakeError.getStatus(), Status.fromThrowable(errorCaptor.getValue()));
}