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/*-
* ============LICENSE_START=======================================================
* guard
* ================================================================================
* Copyright (C) 2017-2018 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.guard;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.UUID;
import org.junit.Test;
import org.onap.policy.controlloop.policy.TargetType;
import org.onap.policy.guard.PolicyGuard.LockResult;
import org.onap.policy.guard.impl.PNFTargetLock;
import org.onap.policy.guard.impl.VMTargetLock;
import org.onap.policy.guard.impl.VNFTargetLock;
public class PolicyGuardTest {
private static final String INSTANCENAME = "targetInstance";
private class DummyLockCallback implements LockCallback {
@Override
public boolean isActive() {
return false;
}
@Override
public boolean releaseLock() {
return false;
}
}
private class DummyTargetLock implements TargetLock {
@Override
public UUID getLockID() {
return null;
}
@Override
public TargetType getTargetType() {
return null;
}
@Override
public String getTargetInstance() {
return INSTANCENAME;
}
@Override
public UUID getRequestID() {
return null;
}
}
@Test
public void testLockVm() {
UUID uuid = UUID.randomUUID();
TargetType type = TargetType.VM;
// Test isLocked before and after lock added
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
DummyLockCallback dlcb = new DummyLockCallback();
LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb);
assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
assertEquals(VMTargetLock.class, result.getB().getClass());
VMTargetLock vtl = (VMTargetLock) result.getB();
assertNotNull(vtl.getLockID());
assertEquals(INSTANCENAME, vtl.getTargetInstance());
assertEquals(TargetType.VM, vtl.getTargetType());
assertNotNull(vtl.getRequestID());
assertEquals(dlcb, vtl.getCallback());
// Test isLocked after lock removed
PolicyGuard.unlockTarget(new DummyTargetLock());
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
}
@Test
public void testLockPnf() {
UUID uuid = UUID.randomUUID();
TargetType type = TargetType.PNF;
// Test isLocked before and after lock added
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
DummyLockCallback dlcb = new DummyLockCallback();
LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb);
assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
assertEquals(PNFTargetLock.class, result.getB().getClass());
PNFTargetLock ptl = (PNFTargetLock) result.getB();
assertNotNull(ptl.getLockID());
assertEquals(INSTANCENAME, ptl.getTargetInstance());
assertEquals(TargetType.PNF, ptl.getTargetType());
assertNotNull(ptl.getRequestID());
assertEquals(dlcb, ptl.getCallback());
// Test isLocked after lock removed
PolicyGuard.unlockTarget(new DummyTargetLock());
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
}
@Test
public void testLockVnf() {
UUID uuid = UUID.randomUUID();
TargetType type = TargetType.VNF;
// Test isLocked before and after lock added
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
DummyLockCallback dlcb = new DummyLockCallback();
LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb);
assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
assertEquals(VNFTargetLock.class, result.getB().getClass());
VNFTargetLock vtl = (VNFTargetLock) result.getB();
assertNotNull(vtl.getLockID());
assertEquals(INSTANCENAME, vtl.getTargetInstance());
assertEquals(TargetType.VNF, vtl.getTargetType());
assertNotNull(vtl.getRequestID());
assertEquals(dlcb, vtl.getCallback());
// Test isLocked after lock removed
PolicyGuard.unlockTarget(new DummyTargetLock());
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
}
@Test
public void testLockVfc() {
UUID uuid = UUID.randomUUID();
TargetType type = TargetType.VFC;
// Test isLocked before and after lock added
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
DummyLockCallback dlcb = new DummyLockCallback();
LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb);
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
assertEquals(GuardResult.LOCK_EXCEPTION, result.getA());
assertNull(result.getB());
// Test isLocked after lock removed
PolicyGuard.unlockTarget(new DummyTargetLock());
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
}
@Test
public void testUnLockNotLocked() {
UUID uuid = UUID.randomUUID();
TargetType type = TargetType.VM;
// Test isLocked before and after lock added
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
DummyLockCallback dlcb = new DummyLockCallback();
LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb);
assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
assertEquals(VMTargetLock.class, result.getB().getClass());
result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb);
assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
assertEquals(GuardResult.LOCK_DENIED, result.getA());
assertNull(result.getB());
// Test isLocked after lock removed
PolicyGuard.unlockTarget(new DummyTargetLock());
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
// Test unlock after lock removed
PolicyGuard.unlockTarget(new DummyTargetLock());
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
}
@Test
public void testLockAlreadyLocked() {
UUID uuid = UUID.randomUUID();
TargetType type = TargetType.VM;
// Test isLocked before and after lock added
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
DummyLockCallback dlcb = new DummyLockCallback();
LockResult<GuardResult, TargetLock> result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb);
assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
assertEquals(GuardResult.LOCK_ACQUIRED, result.getA());
assertEquals(VMTargetLock.class, result.getB().getClass());
result = PolicyGuard.lockTarget(type, INSTANCENAME, uuid, dlcb);
assertTrue(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
assertEquals(GuardResult.LOCK_DENIED, result.getA());
assertNull(result.getB());
// Test isLocked after lock removed
PolicyGuard.unlockTarget(new DummyTargetLock());
assertFalse(PolicyGuard.isLocked(type, INSTANCENAME, uuid));
}
@Test
public void testInnards() {
DummyLockCallback dlcb = new DummyLockCallback();
assertFalse(dlcb.isActive());
assertFalse(dlcb.releaseLock());
DummyTargetLock dtl = new DummyTargetLock();
assertNull(dtl.getLockID());
assertNull(dtl.getRequestID());
assertEquals(INSTANCENAME, dtl.getTargetInstance());
assertNull(dtl.getTargetType());
}
}
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