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/*-
* ============LICENSE_START=======================================================
* openECOMP : APP-C
* ================================================================================
* Copyright (C) 2017 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.openecomp.appc;
import org.junit.Assert;
import org.junit.Test;
import org.openecomp.appc.domainmodel.lcm.VNFOperation;
import org.openecomp.appc.lifecyclemanager.LifecycleManager;
import org.openecomp.appc.lifecyclemanager.helper.MetadataReader;
import org.openecomp.appc.lifecyclemanager.impl.LifecycleManagerImpl;
import org.openecomp.appc.lifecyclemanager.objects.LifecycleException;
import org.openecomp.appc.lifecyclemanager.objects.NoTransitionDefinedException;
import org.openecomp.appc.statemachine.objects.*;
import java.util.*;
public class TestLifecycleManager {
private static final State[] VALID_LOCK_STATES = new State[] {
new State("Instantiated"),
new State("Configured"),
new State("Tested"),
new State("Running"),
new State("Error"),
new State("Unknown"),
new State("Stopped"),
};
@Test
public void handleEvent() throws InvalidInputException, LifecycleException, NoTransitionDefinedException {
MetadataReader metadataReader = new MetadataReader();
StateMachineMetadata metadata = metadataReader.readMetadata(null);
LifecycleManagerImpl lifecycleManager = new LifecycleManagerImpl();
/*
Testing Positive Scenario passing the valid events and validating the StateMachineResponse
*/
for(State state:metadata.getStates()){
for(Transition transition:state.getTransitions()){
Event event = transition.getEvent();
State nextStateFromMetadata = transition.getNextState();
String expectedNextState = lifecycleManager.getNextState(null,state.toString(),event.toString());
Assert.assertEquals(expectedNextState,nextStateFromMetadata.toString());
}
}
/*
Testing Negative Scenarios, 1. Passing the valid Events for which Transition is not defined in
Metadata and validating the StateMachineResponse 2. Passing the invalid events which are not
registered as events in the StateMachineMetadata and validating StateMachineResponse
*/
for(State state:metadata.getStates()){
for(Transition transition:state.getTransitions()){
List<Event> negativeEvents = getNegativeEvents(state,metadata.getEvents());
for(Event negativeEvent:negativeEvents){
boolean flag =false;
try{
String response = lifecycleManager.getNextState(null,state.toString(),negativeEvent.toString());
}
catch (NoTransitionDefinedException e){
flag =true;
}
Assert.assertEquals(flag,true);
flag =false;
try{
String response = lifecycleManager.getNextState(null,state.toString(),"PUT");
}
catch(LifecycleException e){
flag = true;
}
Assert.assertTrue(flag);
}
}
}
}
@Test
public void testNotOrchestratedState() throws LifecycleException, NoTransitionDefinedException {
LifecycleManager lifecycleManager = new LifecycleManagerImpl();
String nextState = lifecycleManager.getNextState(null,"NOT ORCHESTRATED",VNFOperation.Configure.toString());
Assert.assertEquals(nextState,"Configuring");
}
@Test(expected = NoTransitionDefinedException.class)
public void testBakckingUpState() throws LifecycleException, NoTransitionDefinedException {
LifecycleManager lifecycleManager = new LifecycleManagerImpl();
String nextState = lifecycleManager.getNextState(null,"Software_Uploading",VNFOperation.Configure.toString());
}
private List<Event> getNegativeEvents(State state,Set<Event> events) {
List<Event> negativeEventList = new ArrayList<>();
negativeEventList.addAll(events);
for(Transition transition: state.getTransitions()){
negativeEventList.remove(transition.getEvent());
}
return negativeEventList;
}
@Test
public void testLockStates() throws LifecycleException, NoTransitionDefinedException {
MetadataReader metadataReader = new MetadataReader();
StateMachineMetadata metadata = metadataReader.readMetadata(null);
LifecycleManager lifecycleManager = new LifecycleManagerImpl();
for(State state: metadata.getStates()) {
if(isValidState(state, VALID_LOCK_STATES)) {
assertSameNextState(lifecycleManager, state, VNFOperation.Lock);
assertSameNextState(lifecycleManager, state, VNFOperation.Unlock);
assertSameNextState(lifecycleManager, state, VNFOperation.CheckLock);
} else {
assertNoNextState(lifecycleManager, state, VNFOperation.Lock);
assertNoNextState(lifecycleManager, state, VNFOperation.Unlock);
assertNoNextState(lifecycleManager, state, VNFOperation.CheckLock);
}
}
}
private boolean isValidState(State state, State[] validStates) {
for(State validState: validStates) {
if(validState.equals(state)) {
return true;
}
}
return false;
}
private void assertSameNextState(LifecycleManager lifecycleManager, State state, VNFOperation operation) throws LifecycleException, NoTransitionDefinedException {
Assert.assertEquals(state.getStateName(), lifecycleManager.getNextState("no-matter", state.getStateName(), operation.toString()));
}
private void assertNoNextState(LifecycleManager lifecycleManager, State state, VNFOperation operation) throws LifecycleException {
try {
lifecycleManager.getNextState("no-matter", state.getStateName(), operation.toString());
Assert.fail("lifecycleManager.getNextState() should fail for state [" + state + "], operation [" + operation + "]");
} catch(NoTransitionDefinedException e) {
// this exception is excepted
}
}
}
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