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ITUnaryCallable.java
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ITUnaryCallable.java
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/*
* Copyright 2023 Google LLC
*
* 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
*
* https://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 com.google.showcase.v1beta1.it;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;
import com.google.api.gax.grpc.GrpcStatusCode;
import com.google.api.gax.rpc.CancelledException;
import com.google.api.gax.rpc.StatusCode;
import com.google.rpc.Status;
import com.google.showcase.v1beta1.EchoClient;
import com.google.showcase.v1beta1.EchoRequest;
import com.google.showcase.v1beta1.EchoResponse;
import com.google.showcase.v1beta1.it.util.TestClientInitializer;
import java.util.concurrent.TimeUnit;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
public class ITUnaryCallable {
private static EchoClient grpcClient;
private static EchoClient httpjsonClient;
@BeforeClass
public static void createClients() throws Exception {
// Create gRPC Echo Client
grpcClient = TestClientInitializer.createGrpcEchoClient();
// Create Http JSON Echo Client
httpjsonClient = TestClientInitializer.createHttpJsonEchoClient();
}
@AfterClass
public static void destroyClients() throws InterruptedException {
grpcClient.close();
httpjsonClient.close();
grpcClient.awaitTermination(TestClientInitializer.AWAIT_TERMINATION_SECONDS, TimeUnit.SECONDS);
httpjsonClient.awaitTermination(
TestClientInitializer.AWAIT_TERMINATION_SECONDS, TimeUnit.SECONDS);
}
@Test
public void testGrpc_receiveContent() {
assertThat(echoGrpc("grpc-echo?")).isEqualTo("grpc-echo?");
assertThat(echoGrpc("grpc-echo!")).isEqualTo("grpc-echo!");
}
@Test
public void testGrpc_serverResponseError_throwsException() {
Status cancelledStatus =
Status.newBuilder().setCode(StatusCode.Code.CANCELLED.ordinal()).build();
EchoRequest requestWithServerError = EchoRequest.newBuilder().setError(cancelledStatus).build();
CancelledException exception =
assertThrows(CancelledException.class, () -> grpcClient.echo(requestWithServerError));
assertThat(exception.getStatusCode().getCode()).isEqualTo(GrpcStatusCode.Code.CANCELLED);
}
@Test
public void testHttpJson_receiveContent() {
assertThat(echoHttpJson("http-echo?")).isEqualTo("http-echo?");
assertThat(echoHttpJson("http-echo!")).isEqualTo("http-echo!");
}
@Test
public void testHttpJson_serverResponseError_throwsException() {
EchoRequest requestWithServerError =
EchoRequest.newBuilder()
.setError(Status.newBuilder().setCode(StatusCode.Code.CANCELLED.ordinal()).build())
.build();
CancelledException exception =
assertThrows(CancelledException.class, () -> httpjsonClient.echo(requestWithServerError));
assertThat(exception.getStatusCode().getCode()).isEqualTo(StatusCode.Code.CANCELLED);
}
private String echoGrpc(String value) {
EchoResponse response = grpcClient.echo(EchoRequest.newBuilder().setContent(value).build());
return response.getContent();
}
private String echoHttpJson(String value) {
EchoResponse response = httpjsonClient.echo(EchoRequest.newBuilder().setContent(value).build());
return response.getContent();
}
}