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/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2019 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.common.endpoints.listeners;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.onap.policy.common.endpoints.event.comm.Topic.CommInfrastructure;
import org.onap.policy.common.utils.coder.StandardCoderObject;
import org.onap.policy.common.utils.test.log.logback.ExtractAppender;
import org.slf4j.LoggerFactory;
public class JsonListenerTest {
/**
* Used to attach an appender to the class' logger.
*/
private static final Logger logger = (Logger) LoggerFactory.getLogger(JsonListener.class);
private static final ExtractAppender appender = new ExtractAppender();
/**
* Original logging level for the logger.
*/
private static Level saveLevel;
private static final CommInfrastructure INFRA = CommInfrastructure.NOOP;
private static final String TOPIC = "my-topic";
private static final String JSON = "{'abc':'def'}".replace('\'', '"');
private JsonListener primary;
/**
* Initializes statics.
*/
@BeforeClass
public static void setUpBeforeClass() {
saveLevel = logger.getLevel();
logger.setLevel(Level.INFO);
appender.setContext(logger.getLoggerContext());
appender.start();
}
@AfterClass
public static void tearDownAfterClass() {
logger.setLevel(saveLevel);
appender.stop();
}
/**
* Initializes mocks and a listener.
*/
@Before
public void setUp() {
appender.clearExtractions();
primary = new JsonListener() {
@Override
public void onTopicEvent(CommInfrastructure infra, String topic, StandardCoderObject sco) {
// do nothing
}
};
}
@After
public void tearDown() {
logger.detachAppender(appender);
}
@Test
public void testOnTopicEvent() {
logger.addAppender(appender);
primary = spy(primary);
// success
primary.onTopicEvent(INFRA, TOPIC, JSON);
verify(primary).onTopicEvent(eq(INFRA), eq(TOPIC), any(StandardCoderObject.class));
// repeat
primary.onTopicEvent(INFRA, TOPIC, JSON);
verify(primary, times(2)).onTopicEvent(eq(INFRA), eq(TOPIC), any(StandardCoderObject.class));
assertFalse(appender.getExtracted().toString().contains("unable to decode"));
// invalid json - decode fails
appender.clearExtractions();
primary.onTopicEvent(INFRA, TOPIC, "[");
assertTrue(appender.getExtracted().toString().contains("unable to decode"));
verify(primary, times(2)).onTopicEvent(any(), any(), any(StandardCoderObject.class));
}
}
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