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/*
* Copyright 2016, gRPC Authors All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.grpc.services;
import static org.junit.Assert.assertEquals;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.inOrder;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import io.grpc.Status;
import io.grpc.StatusException;
import io.grpc.health.v1.HealthCheckRequest;
import io.grpc.health.v1.HealthCheckResponse;
import io.grpc.health.v1.HealthGrpc;
import io.grpc.stub.StreamObserver;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.mockito.ArgumentCaptor;
import org.mockito.InOrder;
/** Unit tests for {@link HealthStatusManager}. */
@RunWith(JUnit4.class)
public class HealthStatusManagerTest {
private final HealthStatusManager manager = new HealthStatusManager();
private final HealthGrpc.HealthImplBase health =
(HealthGrpc.HealthImplBase) manager.getHealthService();
private final HealthCheckResponse.ServingStatus status
= HealthCheckResponse.ServingStatus.UNKNOWN;
@Test
public void getHealthService_getterReturnsTheSameHealthRefAfterUpdate() throws Exception {
manager.setStatus("", status);
assertEquals(health, manager.getHealthService());
}
@Test
public void checkValidStatus() throws Exception {
//setup
manager.setStatus("", status);
HealthCheckRequest request = HealthCheckRequest.newBuilder().setService("").build();
@SuppressWarnings("unchecked")
StreamObserver<HealthCheckResponse> observer = mock(StreamObserver.class);
//test
health.check(request, observer);
//verify
InOrder inOrder = inOrder(observer);
inOrder.verify(observer, times(1)).onNext(any(HealthCheckResponse.class));
inOrder.verify(observer, times(1)).onCompleted();
verify(observer, never()).onError(any(Throwable.class));
}
@Test
public void checkStatusNotFound() throws Exception {
//setup
manager.setStatus("", status);
HealthCheckRequest request
= HealthCheckRequest.newBuilder().setService("invalid").build();
@SuppressWarnings("unchecked")
StreamObserver<HealthCheckResponse> observer = mock(StreamObserver.class);
//test
health.check(request, observer);
//verify
ArgumentCaptor<StatusException> exception = ArgumentCaptor.forClass(StatusException.class);
verify(observer, times(1)).onError(exception.capture());
assertEquals(Status.Code.NOT_FOUND, exception.getValue().getStatus().getCode());
verify(observer, never()).onCompleted();
}
@Test
public void notFoundForClearedStatus() throws Exception {
//setup
manager.setStatus("", status);
manager.clearStatus("");
HealthCheckRequest request
= HealthCheckRequest.newBuilder().setService("").build();
@SuppressWarnings("unchecked")
StreamObserver<HealthCheckResponse> observer = mock(StreamObserver.class);
//test
health.check(request, observer);
//verify
ArgumentCaptor<StatusException> exception = ArgumentCaptor.forClass(StatusException.class);
verify(observer, times(1)).onError(exception.capture());
assertEquals(Status.Code.NOT_FOUND, exception.getValue().getStatus().getCode());
verify(observer, never()).onCompleted();
}
}
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