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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2020-2023 Nordix Foundation.
* Modifications Copyright (C) 2020-2022 Bell Canada. 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.examples.grpc;
import static org.assertj.core.api.Assertions.assertThat;
import static org.awaitility.Awaitility.await;
import jakarta.ws.rs.client.Client;
import jakarta.ws.rs.client.ClientBuilder;
import jakarta.ws.rs.core.Response;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.onap.policy.apex.auth.clieditor.tosca.ApexCliToscaEditorMain;
import org.onap.policy.apex.service.engine.main.ApexMain;
/**
* Test class to run an example policy for APEX-CDS interaction over gRPC. Event received on
* unauthenticated.DCAE_CL_OUTPUT DMaaP topic (dummy REST Endpoint here) triggers the policy Based on the event, a
* create/delete subscription gRPC request is triggered to the CDS (a dummy gRPC server here). Response received from
* CDS is used to send a final output Log event on POLICY_CL_MGT topic.
*/
public class TestApexGrpcExample {
@Test
public void testGrpcExample() throws Exception {
// @formatter:off
final String[] cliArgs = new String[] {
"-c",
"src/main/resources/policy/APEXgRPCPolicy.apex",
"-l",
"target/APEXgRPCPolicyModel.log",
"-ac",
"src/main/resources/examples/config/APEXgRPC/ApexConfig.json",
"-t",
"src/main/resources/tosca/ToscaTemplate.json",
"-ot",
"target/classes/APEXgRPCPolicy.json"
};
// @formatter:on
new ApexCliToscaEditorMain(cliArgs);
// @formatter:off
final String[] apexArgs = {
"-rfr",
"target/classes",
"-p",
"target/classes/APEXgRPCPolicy.json"
};
// @formatter:on
final GrpcTestServerSim sim = new GrpcTestServerSim();
final Client client = ClientBuilder.newClient();
final ApexMain apexMain = new ApexMain(apexArgs);
await().atMost(5000, TimeUnit.MILLISECONDS).until(() -> apexMain.isAlive());
String getLoggedEventUrl = "http://localhost:54321/GrpcTestRestSim/sim/event/getLoggedEvent";
// wait for success response code to be received, until a timeout
await().atMost(20000, TimeUnit.MILLISECONDS).until(() -> {
return 200 == client.target(getLoggedEventUrl).request("application/json").get().getStatus();
});
apexMain.shutdown();
Response response = client.target(getLoggedEventUrl).request("application/json").get();
sim.tearDown();
String responseEntity = response.readEntity(String.class);
String expectedLoggedOutputEvent = Files
.readString(Paths.get("src/main/resources/examples/events/APEXgRPC/LogEvent.json")).replaceAll("\r", "");
String expectedStatusEvent =
Files.readString(Paths.get("src/main/resources/examples/events/APEXgRPC/CDSResponseStatusEvent.json"))
.replaceAll("\r", "");
// Both LogEvent and CDSResponseStatusEvent are generated from the final state in the policy
assertThat(responseEntity).contains(expectedStatusEvent);
assertThat(responseEntity).contains(expectedLoggedOutputEvent);
}
}
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