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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 Ericsson. All rights reserved.
* Modifications Copyright (C) 2020-2021 Nordix Foundation.
* Modifications Copyright (C) 2020-2021 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.service.engine.main;
import static org.assertj.core.api.Assertions.assertThat;
import static org.awaitility.Awaitility.await;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.concurrent.TimeUnit;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
import org.onap.policy.apex.model.basicmodel.service.ModelService;
import org.onap.policy.common.parameters.ParameterService;
/**
* Test the ApexMain class.
*/
public class ApexMainTest {
private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
private final PrintStream stdout = System.out;
private ApexMain apexMain1;
private ApexMain apexMain2;
/**
* Method for set up before each test.
*
* @throws Exception if an error occurs
*/
@Before
public void setUp() throws Exception {
System.setOut(new PrintStream(outContent));
}
/**
* Method for cleanup after each test.
*
* @throws Exception if an error occurs
*/
@After
public void teardown() throws Exception {
if (null != apexMain1) {
apexMain1.shutdown();
}
if (null != apexMain2) {
apexMain2.shutdown();
}
System.setOut(stdout);
}
@Test
public void testNullParameters() throws ApexException {
ApexMain.main(null);
await().atMost(200, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
.contains("Tosca Policy file was not specified as an argument"));
assertThat(outContent.toString())
.contains("Tosca Policy file was not specified as an argument");
}
@Test
public void testBadArguments() throws ApexException {
String[] args = { "-whee" };
apexMain1 = new ApexMain(args);
await().atMost(200, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
.contains("invalid command line arguments specified : Unrecognized option: -whee"));
assertNotNull(apexMain1);
}
@Test
public void testHelp() throws ApexException {
String[] args = { "-h" };
apexMain1 = new ApexMain(args);
await().atMost(200, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
.contains("usage: org.onap.policy.apex.service.engine.main.ApexMain [options...]"));
assertNotNull(apexMain1);
}
@Test
public void testBadParameters() throws ApexException {
String[] args = { "-p", "src/test/resources/parameters/badParams.json" };
apexMain1 = new ApexMain(args);
await().atMost(200, TimeUnit.MILLISECONDS).until(() -> outContent.toString()
.contains("parameter group has status INVALID"));
assertNotNull(apexMain1);
}
@Test
public void testCorrectParameters() throws ApexException {
String[] args = {"-p", "src/test/resources/parameters/correctParams.json"};
apexMain1 = new ApexMain(args);
assertEquals("MyApexEngine", apexMain1.getApexParameters().getEngineServiceParameters().getName());
await().atMost(200, TimeUnit.MILLISECONDS)
.until(() -> outContent.toString().contains("Added the action listener to the engine"));
assertTrue(apexMain1.isAlive());
}
@Test
public void testJavaProperties() throws ApexException {
String[] args = {"-p", "src/test/resources/parameters/correctParamsJavaProperties.json"};
apexMain1 = new ApexMain(args);
assertEquals("MyApexEngine", apexMain1.getApexParameters().getEngineServiceParameters().getName());
assertEquals("trust-store-file", System.getProperty("javax.net.ssl.trustStore"));
assertEquals("Pol1cy_0nap", System.getProperty("javax.net.ssl.trustStorePassword"));
await().atMost(10000, TimeUnit.MILLISECONDS)
.until(() -> outContent.toString().contains("Added the action listener to the engine"));
}
@Test
public void testCorrectParametersWithMultiplePolicies() throws ApexException {
String[] args1 = {"-p", "src/test/resources/parameters/correctParams.json"};
String[] args2 = {"-p", "src/test/resources/parameters/correctParams2.json"};
apexMain1 = new ApexMain(args1);
apexMain2 = new ApexMain(args2);
assertEquals("MyApexEngine", apexMain1.getApexParameters().getEngineServiceParameters().getName());
assertEquals("MyApexEngine2", apexMain2.getApexParameters().getEngineServiceParameters().getName());
assertTrue(apexMain1.isAlive());
assertTrue(apexMain2.isAlive());
final String outString = outContent.toString();
assertThat(outString).contains("Added the action listener to the engine")
.contains("Created apex engine MyApexEngine").contains("Created apex engine MyApexEngine2");
ModelService.clear();
ParameterService.clear();
}
@Test
public void testInCorrectParametersWithMultiplePolicies() throws ApexException {
String[] args = {"-p", "src/test/resources/parameters/correctParams.json"};
apexMain1 = new ApexMain(args);
apexMain2 = new ApexMain(args);
assertTrue(apexMain1.isAlive());
assertFalse(apexMain2.isAlive());
final String outString = outContent.toString();
assertThat(outString).contains("start of Apex service failed because this"
+ " policy has the following duplicate I/O parameters: [TheFileConsumer1]/[FirstProducer]");
}
@Test
public void testInvalidArgsWithMultiplePolicies() throws ApexException {
String[] args = {"-c", "file1", "-m", "file2"};
apexMain1 = new ApexMain(args);
assertFalse(apexMain1.isAlive());
final String outString = outContent.toString();
assertThat(outString).contains("Arguments validation failed", "start of Apex service failed");
}
}
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