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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2016-2018 Ericsson. 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.client.editor.rest;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.Invocation.Builder;
import javax.ws.rs.client.WebTarget;
import javax.xml.bind.JAXBException;
import org.eclipse.persistence.jpa.jpql.Assert;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.onap.policy.apex.client.editor.rest.ApexEditorMain.EditorState;
import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
import org.onap.policy.apex.model.basicmodel.handling.ApexModelReader;
import org.onap.policy.apex.model.basicmodel.handling.ApexModelStringWriter;
import org.onap.policy.apex.model.modelapi.ApexApiResult;
import org.onap.policy.apex.model.policymodel.concepts.AxPolicy;
import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
import org.onap.policy.common.utils.resources.ResourceUtils;
/**
* The RestInterface Test.
*/
public class RestInterfaceTest {
// CHECKSTYLE:OFF: MagicNumber
private static final String TESTMODELFILE = "models/SamplePolicyModelMVEL.json";
private static final String TESTPORTNUM = "18989";
private static final long MAX_WAIT = 15000; // 15 sec
private static final InputStream SYSIN = System.in;
private static final String[] EDITOR_MAIN_ARGS = new String[] { "-p", TESTPORTNUM };
private static ApexEditorMain editorMain;
private static WebTarget target;
private static AxPolicyModel localmodel = null;
private static String localmodelString = null;
/**
* Sets up the tests.
*
* @throws Exception if an error happens
*/
@BeforeClass
public static void setUp() throws Exception {
// Start the editor
editorMain = new ApexEditorMain(EDITOR_MAIN_ARGS, System.out);
// prevent a stray stdin value from killing the editor
final ByteArrayInputStream input = new ByteArrayInputStream("".getBytes());
System.setIn(input);
// Init the editor in a separate thread
final Runnable testThread = new Runnable() {
@Override
public void run() {
editorMain.init();
}
};
new Thread(testThread).start();
// wait until editorMain is in state RUNNING
final long startwait = System.currentTimeMillis();
while (editorMain.getState().equals(EditorState.STOPPED) || editorMain.getState().equals(EditorState.READY)
|| editorMain.getState().equals(EditorState.INITIALIZING)) {
if (editorMain.getState().equals(EditorState.STOPPED)) {
Assert.fail("Rest endpoint (" + editorMain + ") shut down before it could be used");
}
if (System.currentTimeMillis() - startwait > MAX_WAIT) {
Assert.fail("Rest endpoint (" + editorMain + ") for test failed to start fast enough");
}
Thread.sleep(100);
}
// create the client
final Client c = ClientBuilder.newClient();
// Create the web target
target = c.target(new ApexEditorParameters().getBaseUri());
// load a test model locally
localmodel = new ApexModelReader<>(AxPolicyModel.class, false)
.read(ResourceUtils.getResourceAsStream(TESTMODELFILE));
localmodelString =
new ApexModelStringWriter<AxPolicyModel>(false).writeJsonString(localmodel, AxPolicyModel.class);
// initialize a session ID
createNewSession();
}
/**
* Clean up streams.
*
* @throws IOException Signals that an I/O exception has occurred.
* @throws InterruptedException the interrupted exception
*/
@AfterClass
public static void cleanUpStreams() throws IOException, InterruptedException {
editorMain.shutdown();
// wait until editorMain is in state STOPPED
final long startwait = System.currentTimeMillis();
while (!editorMain.getState().equals(EditorState.STOPPED)) {
if (System.currentTimeMillis() - startwait > MAX_WAIT) {
Assert.fail("Rest endpoint (" + editorMain + ") for test failed to shutdown fast enough");
}
Thread.sleep(50);
}
System.setIn(SYSIN);
}
/**
* Test to see that the message create Model with model id -1 .
*/
@Test
public void createSession() {
createNewSession();
}
/**
* Creates a new session.
*
* @return the session ID
*/
private static int createNewSession() {
final ApexApiResult responseMsg = target.path("editor/-1/Session/Create").request().get(ApexApiResult.class);
assertEquals(ApexApiResult.Result.SUCCESS, responseMsg.getResult());
assertTrue(responseMsg.getMessages().size() == 1);
return Integer.parseInt(responseMsg.getMessages().get(0));
}
/**
* Upload policy.
*
* @param sessionId the session ID
* @param modelAsJsonString the model as json string
*/
private void uploadPolicy(final int sessionId, final String modelAsJsonString) {
final Builder requestbuilder = target.path("editor/" + sessionId + "/Model/Load").request();
final ApexApiResult responseMsg = requestbuilder.put(Entity.json(modelAsJsonString), ApexApiResult.class);
assertTrue(responseMsg.isOk());
}
/**
* Create a new session, Upload a test policy model, then get a policy, parse it, and compare it to the same policy
* in the original model.
*
* @throws ApexException if there is an Apex Error
* @throws JAXBException if there is a JaxB Error
**/
@Test
public void testUploadThenGet() throws ApexException, JAXBException {
final int sessionId = createNewSession();
uploadPolicy(sessionId, localmodelString);
final ApexApiResult responseMsg = target.path("editor/" + sessionId + "/Policy/Get")
.queryParam("name", "Policy0").queryParam("version", "0.0.1").request().get(ApexApiResult.class);
assertTrue(responseMsg.isOk());
// The string in responseMsg.Messages[0] is a JSON representation of a AxPolicy object. Lets parse it
final String returnedPolicyAsString = responseMsg.getMessages().get(0);
ApexModelReader<AxPolicy> apexPolicyReader = new ApexModelReader<>(AxPolicy.class, false);
final AxPolicy returnedpolicy = apexPolicyReader.read(returnedPolicyAsString);
// AxPolicy returnedpolicy = RestUtils.getConceptFromJSON(returnedPolicyAsString, AxPolicy.class);
// Extract the local copy of that policy from the local Apex Policy Model
final AxPolicy localpolicy = localmodel.getPolicies().get("Policy0", "0.0.1");
// Write that local copy of the AxPolicy object to a Json String, ten parse it again
final ApexModelStringWriter<AxPolicy> apexModelWriter = new ApexModelStringWriter<>(false);
final String localPolicyString = apexModelWriter.writeJsonString(localpolicy, AxPolicy.class);
apexPolicyReader = new ApexModelReader<>(AxPolicy.class, false);
final AxPolicy localpolicyReparsed = apexPolicyReader.read(localPolicyString);
// AxPolicy localpolicy_reparsed = RestUtils.getConceptFromJSON(returnedPolicyAsString, AxPolicy.class);
assertNotNull(returnedpolicy);
assertNotNull(localpolicy);
assertNotNull(localpolicyReparsed);
assertEquals(localpolicy, localpolicyReparsed);
assertEquals(localpolicy, returnedpolicy);
}
// TODO Full unit testing of REST interface
}
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