2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
6 * Modifications Copyright (C) 2020-2021 Bell Canada. All rights reserved.
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.simulators;
24 import static org.junit.Assert.assertEquals;
25 import static org.junit.Assert.assertTrue;
27 import com.google.protobuf.TextFormat.ParseException;
28 import com.google.protobuf.util.JsonFormat;
29 import io.grpc.ManagedChannel;
30 import io.grpc.netty.NettyChannelBuilder;
31 import io.grpc.stub.StreamObserver;
32 import java.io.IOException;
33 import java.nio.charset.StandardCharsets;
34 import java.util.concurrent.CompletableFuture;
35 import java.util.concurrent.CountDownLatch;
36 import java.util.concurrent.TimeUnit;
37 import org.apache.commons.io.IOUtils;
38 import org.junit.After;
39 import org.junit.Before;
40 import org.junit.Test;
41 import org.onap.ccsdk.cds.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc;
42 import org.onap.ccsdk.cds.controllerblueprints.processing.api.BluePrintProcessingServiceGrpc.BluePrintProcessingServiceStub;
43 import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput;
44 import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceInput.Builder;
45 import org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput;
46 import org.onap.policy.common.utils.coder.CoderException;
47 import org.onap.policy.common.utils.coder.StandardCoder;
48 import org.onap.policy.common.utils.network.NetworkUtil;
49 import org.onap.policy.common.utils.resources.ResourceUtils;
51 public class CdsSimulatorTest {
52 private static final StandardCoder coder = new StandardCoder();
54 private CdsSimulator sim;
57 * Starts the simulator, allocating a unique port for each test so we don't have to
58 * wait for the prior server to shut down.
61 public void setUp() throws Exception {
62 int port = NetworkUtil.allocPort();
63 sim = new CdsSimulator(Util.LOCALHOST, port);
68 public void tearDown() {
73 public void test() throws Exception {
74 String reqstr = IOUtils.toString(getClass().getResource("cds/cds.request.json"), StandardCharsets.UTF_8);
75 Builder builder = ExecutionServiceInput.newBuilder();
76 JsonFormat.parser().ignoringUnknownFields().merge(reqstr, builder);
77 ExecutionServiceInput request = builder.build();
78 ManagedChannel channel = NettyChannelBuilder.forAddress(Util.LOCALHOST, sim.getPort()).usePlaintext().build();
81 final CompletableFuture<ExecutionServiceOutput> future = new CompletableFuture<>();
82 final CountDownLatch completed = new CountDownLatch(1);
84 BluePrintProcessingServiceStub asyncStub = BluePrintProcessingServiceGrpc.newStub(channel);
86 StreamObserver<ExecutionServiceOutput> responseObserver = new StreamObserver<ExecutionServiceOutput>() {
88 public void onNext(ExecutionServiceOutput output) {
89 future.complete(output);
93 public void onError(Throwable throwable) {
94 future.completeExceptionally(throwable);
98 public void onCompleted() {
99 completed.countDown();
103 StreamObserver<ExecutionServiceInput> requestObserver = asyncStub.process(responseObserver);
105 // publish the message
106 requestObserver.onNext(request);
108 // indicate that the request is done
109 requestObserver.onCompleted();
111 } catch (RuntimeException e) {
112 requestObserver.onError(e);
115 // wait for it to complete
116 assertTrue(completed.await(5, TimeUnit.SECONDS));
118 ExecutionServiceOutput result = future.get();
119 assertEquals(200, result.getStatus().getCode());
127 public void testGetResponse() throws IOException, CoderException, ParseException {
128 CdsSimulator cdsSimulator = new CdsSimulator(Util.LOCALHOST, sim.getPort());
129 String reqstr = ResourceUtils.getResourceAsString(
130 "org/onap/policy/simulators/cds/cds.request.json");
131 String responseqstr = ResourceUtils.getResourceAsString(
132 "org/onap/policy/simulators/cds/pm_control-create-subscription.json");
133 ExecutionServiceInput request = coder.decode(reqstr, ExecutionServiceInput.class);
134 org.onap.ccsdk.cds.controllerblueprints.processing.api.ExecutionServiceOutput.Builder esoBuilder =
135 ExecutionServiceOutput.newBuilder();
136 JsonFormat.parser().ignoringUnknownFields().merge(responseqstr, esoBuilder);
137 assertEquals(esoBuilder.toString(), cdsSimulator.getResponse(request, 0).toString());