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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2020-2021 Bell Canada. All rights reserved.
* Modifications Copyright (C) 2023 Nordix Foundation.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.simulators;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import com.google.protobuf.TextFormat.ParseException;
import com.google.protobuf.util.JsonFormat;
import io.grpc.ManagedChannel;
import io.grpc.netty.NettyChannelBuilder;
import io.grpc.stub.StreamObserver;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.Objects;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.commons.io.IOUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onap.ccsdk.cds.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc;
import org.onap.ccsdk.cds.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc.BluePrintProcessingServiceStub;
import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput;
import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput.Builder;
import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput;
import org.onap.policy.common.utils.coder.CoderException;
import org.onap.policy.common.utils.coder.StandardCoder;
import org.onap.policy.common.utils.network.NetworkUtil;
import org.onap.policy.common.utils.resources.ResourceUtils;
public class CdsSimulatorTest {
private static final StandardCoder coder = new StandardCoder();
private CdsSimulator sim;
/**
* Starts the simulator, allocating a unique port for each test so we don't have to
* wait for the prior server to shut down.
*/
@Before
public void setUp() throws Exception {
int port = NetworkUtil.allocPort();
sim = new CdsSimulator(Util.LOCALHOST, port);
sim.start();
}
@After
public void tearDown() {
sim.stop();
}
@Test
public void test() throws Exception {
String reqstr = IOUtils.toString(Objects.requireNonNull(getClass().getResource("cds/cds.request.json")),
StandardCharsets.UTF_8);
Builder builder = ExecutionServiceInput.newBuilder();
JsonFormat.parser().ignoringUnknownFields().merge(reqstr, builder);
ExecutionServiceInput request = builder.build();
ManagedChannel channel = NettyChannelBuilder.forAddress(Util.LOCALHOST, sim.getPort()).usePlaintext().build();
try {
final CompletableFuture<ExecutionServiceOutput> future = new CompletableFuture<>();
final CountDownLatch completed = new CountDownLatch(1);
BluePrintProcessingServiceStub asyncStub = BluePrintProcessingServiceGrpc.newStub(channel);
StreamObserver<ExecutionServiceOutput> responseObserver = new StreamObserver<>() {
@Override
public void onNext(ExecutionServiceOutput output) {
future.complete(output);
}
@Override
public void onError(Throwable throwable) {
future.completeExceptionally(throwable);
}
@Override
public void onCompleted() {
completed.countDown();
}
};
StreamObserver<ExecutionServiceInput> requestObserver = asyncStub.process(responseObserver);
try {
// publish the message
requestObserver.onNext(request);
// indicate that the request is done
requestObserver.onCompleted();
} catch (RuntimeException e) {
requestObserver.onError(e);
}
// wait for it to complete
assertTrue(completed.await(5, TimeUnit.SECONDS));
ExecutionServiceOutput result = future.get();
assertEquals(200, result.getStatus().getCode());
} finally {
channel.shutdown();
}
}
@Test
public void testGetResponse() throws IOException, CoderException, ParseException {
CdsSimulator cdsSimulator = new CdsSimulator(Util.LOCALHOST, sim.getPort());
String reqstr = ResourceUtils.getResourceAsString(
"org/onap/policy/simulators/cds/cds.request.json");
String responseqstr = ResourceUtils.getResourceAsString(
"org/onap/policy/simulators/cds/pm_control-create-subscription.json");
ExecutionServiceInput request = coder.decode(reqstr, ExecutionServiceInput.class);
org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput.Builder esoBuilder =
ExecutionServiceOutput.newBuilder();
JsonFormat.parser().ignoringUnknownFields().merge(responseqstr, esoBuilder);
assertEquals(esoBuilder.toString(), cdsSimulator.getResponse(request, 0).toString());
}
}
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