Add CDS simulator to policy-models

Added CDS simulator to policy-models.  Added a test case to the CDS
Actor to verify that it works with the simulator.

Issue-ID: POLICY-2676
Change-Id: I9b10de3bde93c69e82df983f77eecc253de8a1a2
Signed-off-by: Jim Hahn <jrh3@att.com>

2 files changed, 151 insertions, 0 deletions

diff --git a/models-interactions/model-simulators/src/test/java/org/onap/policy/simulators/CdsSimulatorTest.java b/models-interactions/model-simulators/src/test/java/org/onap/policy/simulators/CdsSimulatorTest.java
new file mode 100644
index 000000000..5f82b7e94
--- /dev/null
+++ b/models-interactions/model-simulators/src/test/java/org/onap/policy/simulators/CdsSimulatorTest.java
@@ -0,0 +1,114 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.simulators;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import io.grpc.ManagedChannel;
+import io.grpc.internal.DnsNameResolverProvider;
+import io.grpc.internal.PickFirstLoadBalancerProvider;
+import io.grpc.netty.NettyChannelBuilder;
+import io.grpc.stub.StreamObserver;
+import java.nio.charset.StandardCharsets;
+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.ExecutionServiceOutput;
+import org.onap.policy.common.utils.coder.StandardCoder;
+
+public class CdsSimulatorTest {
+    private static final StandardCoder coder = new StandardCoder();
+
+    private CdsSimulator sim;
+
+    @Before
+    public void setUp() throws Exception {
+        sim = Util.buildCdsSim();
+    }
+
+    @After
+    public void tearDown() {
+        sim.stop();
+    }
+
+    @Test
+    public void test() throws Exception {
+        String reqstr = IOUtils.toString(getClass().getResource("cds/cds.request.json"), StandardCharsets.UTF_8);
+        ExecutionServiceInput request = coder.decode(reqstr, ExecutionServiceInput.class);
+
+        ManagedChannel channel = NettyChannelBuilder.forAddress("localhost", sim.getPort())
+            .nameResolverFactory(new DnsNameResolverProvider())
+            .loadBalancerFactory(new PickFirstLoadBalancerProvider()).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<ExecutionServiceOutput>() {
+                @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();
+        }
+    }
+}
diff --git a/models-interactions/model-simulators/src/test/java/org/onap/policy/simulators/ExceptionsTest.java b/models-interactions/model-simulators/src/test/java/org/onap/policy/simulators/ExceptionsTest.java
new file mode 100644
index 000000000..e3d91f0f2
--- /dev/null
+++ b/models-interactions/model-simulators/src/test/java/org/onap/policy/simulators/ExceptionsTest.java
@@ -0,0 +1,37 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.simulators;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.onap.policy.common.utils.test.ExceptionsTester;
+
+/**
+ * Tests XxxException classes.
+ */
+public class ExceptionsTest {
+
+    @Test
+    public void testSimulatorRuntimeException() {
+        assertEquals(4, new ExceptionsTester().test(SimulatorRuntimeException.class));
+    }
+}