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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2021 Nordix Foundation.
* ================================================================================
* 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.plugins.event.protocol.jms;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.List;
import javax.jms.JMSException;
import javax.jms.ObjectMessage;
import org.apache.activemq.command.ActiveMQObjectMessage;
import org.apache.commons.lang3.RandomStringUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onap.policy.apex.service.engine.event.ApexEvent;
import org.onap.policy.apex.service.engine.event.ApexEventException;
import org.onap.policy.apex.service.engine.event.ApexEventRuntimeException;
import org.onap.policy.apex.service.engine.event.impl.apexprotocolplugin.ApexEventProtocolParameters;
public class Apex2JmsObjectEventConverterTest {
private Apex2JmsObjectEventConverter converter;
private final PrintStream orgOutBuffer = System.out;
private ByteArrayOutputStream testOutStream;
@Before
public void setUp() throws Exception {
converter = new Apex2JmsObjectEventConverter();
testOutStream = new ByteArrayOutputStream();
System.setOut(new PrintStream(testOutStream));
}
@After
public void tearDown() {
System.setOut(orgOutBuffer);
}
@Test
public void initNull() {
assertThatThrownBy(() -> converter.init(null))
.isInstanceOf(NullPointerException.class);
}
@Test
public void initWrongClass() {
converter.init(new ApexEventProtocolParameters());
final String actual = testOutStream.toString();
assertThat(actual).contains("specified Event Protocol Parameters properties of typ");
assertNull(converter.getEventProtocolParameters());
}
@Test
public void init() {
final JmsObjectEventProtocolParameters parameters = new JmsObjectEventProtocolParameters();
converter.init(parameters);
final JmsObjectEventProtocolParameters actual = converter.getEventProtocolParameters();
assertSame(parameters, actual);
}
@Test
public void toApexEventNull() {
final JmsObjectEventProtocolParameters parameters = new JmsObjectEventProtocolParameters();
converter.init(parameters);
final String eventName = RandomStringUtils.randomAlphabetic(4);
assertThatThrownBy(() -> converter.toApexEvent(eventName, null))
.isInstanceOf(ApexEventRuntimeException.class);
}
@Test
public void toApexEventObject() {
final JmsObjectEventProtocolParameters parameters = new JmsObjectEventProtocolParameters();
converter.init(parameters);
final String eventName = RandomStringUtils.randomAlphabetic(4);
assertThatThrownBy(() -> converter.toApexEvent(eventName, new Object()))
.isInstanceOf(ApexEventRuntimeException.class);
}
@Test
public void toApexEventNoParams() {
final String eventName = RandomStringUtils.randomAlphabetic(4);
ObjectMessage object = new ActiveMQObjectMessage();
assertThatThrownBy(() -> converter.toApexEvent(eventName, object))
.isInstanceOf(ApexEventRuntimeException.class);
}
@Test
public void toApexEventIncomingObjectIsNull() {
final JmsObjectEventProtocolParameters parameters = new JmsObjectEventProtocolParameters();
converter.init(parameters);
final String eventName = RandomStringUtils.randomAlphabetic(4);
ObjectMessage object = new ActiveMQObjectMessage();
assertThatThrownBy(() -> converter.toApexEvent(eventName, object))
.isInstanceOf(NullPointerException.class);
}
@Test
public void toApexEvent() throws ApexEventException, JMSException {
final JmsObjectEventProtocolParameters parameters = new JmsObjectEventProtocolParameters();
converter.init(parameters);
final String eventName = RandomStringUtils.randomAlphabetic(4);
final ObjectMessage object = new ActiveMQObjectMessage();
final String value = RandomStringUtils.randomAlphabetic(3);
object.setObject(value);
// Prepare expected object
final ApexEvent expectedEvent = new ApexEvent("String" + parameters.getIncomingEventSuffix(),
parameters.getIncomingEventVersion(),
"java.lang",
parameters.getIncomingEventSource(),
parameters.getIncomingEventTarget());
// Overwrite executionId to match executionId of actual
expectedEvent.setExecutionId(1);
final Object[] expected = {expectedEvent};
// Run tested method
final List<ApexEvent> actual = converter.toApexEvent(eventName, object);
// Overwrite executionId to match executionId of expected
actual.get(0).setExecutionId(1);
assertArrayEquals(expected, actual.toArray());
}
@Test
public void fromApexEventNull() {
assertThatThrownBy(() -> converter.fromApexEvent(null))
.isInstanceOf(ApexEventException.class);
}
@Test
public void fromApexEventEmptyEvent() throws ApexEventException {
final ApexEvent apexEvent = new ApexEvent(
"a" + RandomStringUtils.randomAlphabetic(3),
"a" + RandomStringUtils.randomAlphabetic(3),
"a" + RandomStringUtils.randomAlphabetic(3),
"",
"");
assertThatThrownBy(() -> converter.fromApexEvent(apexEvent))
.isInstanceOf(ApexEventException.class);
}
@Test
public void fromApexEventMultipleEvents() throws ApexEventException {
final ApexEvent apexEvent = new ApexEvent(
"a" + RandomStringUtils.randomAlphabetic(3),
"a" + RandomStringUtils.randomAlphabetic(4),
"a" + RandomStringUtils.randomAlphabetic(5),
"",
"");
apexEvent.put(RandomStringUtils.randomAlphabetic(2), new Object());
apexEvent.put(RandomStringUtils.randomAlphabetic(6), new Object());
assertThatThrownBy(() -> converter.fromApexEvent(apexEvent)).isInstanceOf(ApexEventException.class);
}
@Test
public void fromApexEventSingleEvent() throws ApexEventException {
final ApexEvent apexEvent = new ApexEvent(
"a" + RandomStringUtils.randomAlphabetic(3),
"a" + RandomStringUtils.randomAlphabetic(3),
"a" + RandomStringUtils.randomAlphabetic(3),
"",
"");
final Object expected = new Object();
apexEvent.put(RandomStringUtils.randomAlphabetic(2), expected);
final Object actual = converter.fromApexEvent(apexEvent);
assertSame(expected, actual);
}
}
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