1 files changed, 131 insertions, 0 deletions
diff --git a/policy-core/src/test/java/org/onap/policy/drools/core/lock/LockTest.java b/policy-core/src/test/java/org/onap/policy/drools/core/lock/LockTest.java
new file mode 100644
index 00000000..bd11dcf9
--- /dev/null
+++ b/policy-core/src/test/java/org/onap/policy/drools/core/lock/LockTest.java
@@ -0,0 +1,131 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 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.drools.core.lock;
+
+import static org.junit.Assert.*;
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.drools.core.lock.Lock.RemoveResult;
+import org.onap.policy.drools.utils.Pair;
+
+public class LockTest {
+    
+    private static final String OWNER = "my.owner";
+    private static final String OWNER2 = "another.owner";
+    private static final String OWNER3 = "third.owner";
+    
+    private static final Integer ITEM2 = 10;
+    private static final Integer ITEM3 = 20;
+    
+    private Lock<Integer> lock;
+    private Pair<String, Integer> newOwner;
+    
+    @Before
+    public void setUp() {
+        lock = new Lock<>(OWNER);
+        newOwner = new Pair<>(null, null);
+    }
+    
+
+    @Test
+    public void testLock() {
+        assertEquals(OWNER, lock.getOwner());
+    }
+
+    @Test
+    public void testGetOwner() {
+        assertEquals(OWNER, lock.getOwner());
+    }
+
+    @Test
+    public void testAdd() {
+        assertTrue(lock.add(OWNER2, ITEM2));
+        assertTrue(lock.add(OWNER3, ITEM3));
+        
+        // attempt to re-add owner2 with the same item - should fail
+        assertFalse(lock.add(OWNER2, ITEM2));
+        
+        // attempt to re-add owner2 with a different item - should fail
+        assertFalse(lock.add(OWNER2, ITEM3));
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testAdd_ArgEx() {
+        lock.add(OWNER2, null);
+    }
+
+    @Test
+    public void testAdd_AlreadyOwner() {
+        assertFalse(lock.add(OWNER, ITEM2));
+    }
+
+    @Test
+    public void testAdd_AlreadyInQueue() {
+        lock.add(OWNER2, ITEM2);
+
+        assertFalse(lock.add(OWNER2, ITEM2));
+    }
+
+    @Test
+    public void testRemoveRequester_Owner_QueueEmpty() {
+        assertEquals(RemoveResult.UNLOCKED, lock.removeRequester(OWNER, newOwner));
+    }
+
+    @Test
+    public void testRemoveRequester_Owner_QueueHasOneItem() {
+        lock.add(OWNER2, ITEM2);
+        
+        assertEquals(RemoveResult.RELOCKED, lock.removeRequester(OWNER, newOwner));
+        assertEquals(OWNER2, newOwner.first());
+        assertEquals(ITEM2, newOwner.second());
+
+        assertEquals(RemoveResult.UNLOCKED, lock.removeRequester(OWNER2, newOwner));
+    }
+
+    @Test
+    public void testRemoveRequester_Owner_QueueHasMultipleItems() {
+        lock.add(OWNER2, ITEM2);
+        lock.add(OWNER3, ITEM3);
+        
+        assertEquals(RemoveResult.RELOCKED, lock.removeRequester(OWNER, newOwner));
+        assertEquals(OWNER2, newOwner.first());
+        assertEquals(ITEM2, newOwner.second());
+        
+        assertEquals(RemoveResult.RELOCKED, lock.removeRequester(OWNER2, newOwner));
+        assertEquals(OWNER3, newOwner.first());
+        assertEquals(ITEM3, newOwner.second());
+
+        assertEquals(RemoveResult.UNLOCKED, lock.removeRequester(OWNER3, newOwner));
+    }
+
+    @Test
+    public void testRemoveRequester_InQueue() {
+        lock.add(OWNER2, ITEM2);
+        
+        assertEquals(RemoveResult.REMOVED, lock.removeRequester(OWNER2, newOwner));
+    }
+
+    @Test
+    public void testRemoveRequester_NeitherOwnerNorInQueue() {
+        assertEquals(RemoveResult.NOT_FOUND, lock.removeRequester(OWNER2, newOwner));
+    }
+
+}