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HelloWorldServerTest.java
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HelloWorldServerTest.java
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/*
* Copyright 2016 The gRPC Authors
*
* 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.examples.helloworld;
import static org.junit.Assert.assertEquals;
import io.grpc.examples.helloworld.HelloWorldServer.GreeterImpl;
import io.grpc.inprocess.InProcessChannelBuilder;
import io.grpc.inprocess.InProcessServerBuilder;
import io.grpc.testing.GrpcCleanupRule;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Unit tests for {@link HelloWorldServer}.
* For demonstrating how to write gRPC unit test only.
* Not intended to provide a high code coverage or to test every major usecase.
*
* directExecutor() makes it easier to have deterministic tests.
*
* <p>For more unit test examples see {@link io.grpc.examples.routeguide.RouteGuideClientTest} and
* {@link io.grpc.examples.routeguide.RouteGuideServerTest}.
*/
@RunWith(JUnit4.class)
public class HelloWorldServerTest {
/**
* This rule manages automatic graceful shutdown for the registered servers and channels at the
* end of test.
*/
@Rule
public final GrpcCleanupRule grpcCleanup = new GrpcCleanupRule();
/**
* To test the server, make calls with a real stub using the in-process channel, and verify
* behaviors or state changes from the client side.
*/
@Test
public void greeterImpl_replyMessage() throws Exception {
// Generate a unique in-process server name.
String serverName = InProcessServerBuilder.generateName();
// Create a server, add service, start, and register for automatic graceful shutdown.
grpcCleanup.register(InProcessServerBuilder
.forName(serverName).directExecutor().addService(new GreeterImpl()).build().start());
GreeterGrpc.GreeterBlockingStub blockingStub = GreeterGrpc.newBlockingStub(
// Create a client channel and register for automatic graceful shutdown.
grpcCleanup.register(InProcessChannelBuilder.forName(serverName).directExecutor().build()));
HelloReply reply =
blockingStub.sayHello(HelloRequest.newBuilder().setName( "test name").build());
assertEquals("Hello test name", reply.getMessage());
}
}