1 files changed, 193 insertions, 0 deletions
diff --git a/controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/LockDataTest.java b/controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/LockDataTest.java
new file mode 100644
index 000000000..dc470e7c8
--- /dev/null
+++ b/controlloop/common/eventmanager/src/test/java/org/onap/policy/controlloop/eventmanager/LockDataTest.java
@@ -0,0 +1,193 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 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.controlloop.eventmanager;
+
+import static org.assertj.core.api.Assertions.assertThatCode;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNotSame;
+import static org.junit.Assert.assertSame;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+
+import java.time.Instant;
+import java.util.UUID;
+import java.util.concurrent.CompletableFuture;
+import java.util.function.Consumer;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.onap.policy.controlloop.ControlLoopOperation;
+import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
+import org.onap.policy.controlloop.policy.PolicyResult;
+import org.onap.policy.drools.core.lock.Lock;
+
+public class LockDataTest {
+
+    private static final String ENTITY = "my-entity";
+    private static final UUID REQ_ID = UUID.randomUUID();
+
+    @Mock
+    private Lock lock;
+    @Mock
+    private Consumer<OperationOutcome> callback1;
+    @Mock
+    private Consumer<OperationOutcome> callback2;
+    @Mock
+    private Consumer<OperationOutcome> callback3;
+
+    private LockData data;
+
+    /**
+     * Sets up.
+     */
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        data = new LockData(ENTITY, REQ_ID);
+    }
+
+    @Test
+    public void testGetFuture() {
+        CompletableFuture<OperationOutcome> future = data.getFuture();
+        assertNotNull(future);
+        assertFalse(future.isDone());
+    }
+
+    @Test
+    public void testAddUnavailableCallback() {
+        data.addUnavailableCallback(callback1);
+        data.addUnavailableCallback(callback2);
+
+        data.lockAvailable(lock);
+        verify(callback1, never()).accept(any());
+        verify(callback2, never()).accept(any());
+
+        data.lockUnavailable(lock);
+        verify(callback1).accept(any());
+        verify(callback2).accept(any());
+    }
+
+    /**
+     * Tests addUnavailableCallback() when the lock never becomes available.
+     */
+    @Test
+    public void testAddUnavailableCallbackNeverAvailable() {
+        data.addUnavailableCallback(callback1);
+        data.addUnavailableCallback(callback2);
+
+        data.lockUnavailable(lock);
+        verify(callback1).accept(any());
+        verify(callback2).accept(any());
+
+        data.addUnavailableCallback(callback3);
+        verify(callback3).accept(any());
+    }
+
+    @Test
+    public void testFree() {
+        // no lock yet
+        assertThatCode(() -> data.free()).doesNotThrowAnyException();
+
+        // no with a lock
+        data.lockAvailable(lock);
+        data.free();
+        verify(lock).free();
+    }
+
+    @Test
+    public void testLockAvailable() throws Exception {
+        data.addUnavailableCallback(callback1);
+        data.addUnavailableCallback(callback2);
+
+        CompletableFuture<OperationOutcome> future = data.getFuture();
+        data.lockAvailable(lock);
+
+        assertSame(future, data.getFuture());
+
+        assertTrue(future.isDone());
+        OperationOutcome outcome = future.get();
+        assertEquals(ControlLoopOperationManager2.LOCK_ACTOR, outcome.getActor());
+        assertEquals(ControlLoopOperationManager2.LOCK_OPERATION, outcome.getOperation());
+        assertEquals(ENTITY, outcome.getTarget());
+        assertEquals(PolicyResult.SUCCESS, outcome.getResult());
+        assertEquals(ControlLoopOperation.SUCCESS_MSG, outcome.getMessage());
+
+        Instant start = outcome.getStart();
+        assertNotNull(start);
+
+        Instant end = outcome.getEnd();
+        assertNotNull(end);
+        assertTrue(start.compareTo(end) <= 0);
+
+        verify(callback1, never()).accept(any());
+        verify(callback2, never()).accept(any());
+    }
+
+    @Test
+    public void testLockUnavailable() throws Exception {
+        data.addUnavailableCallback(callback1);
+        data.addUnavailableCallback(callback2);
+        data.addUnavailableCallback(callback3);
+
+        // arrange for callback2 to throw an exception
+        doThrow(new IllegalStateException("expected exception")).when(callback2).accept(any());
+
+        CompletableFuture<OperationOutcome> future = data.getFuture();
+        assertNotNull(future);
+        data.lockUnavailable(lock);
+
+        CompletableFuture<OperationOutcome> future2 = data.getFuture();
+        assertNotNull(future2);
+
+        assertNotSame(future, future2);
+
+        assertTrue(future.isDone());
+        OperationOutcome outcome = future.get();
+
+        assertTrue(future2.isDone());
+        assertSame(outcome, future2.get());
+
+        assertEquals(ControlLoopOperationManager2.LOCK_ACTOR, outcome.getActor());
+        assertEquals(ControlLoopOperationManager2.LOCK_OPERATION, outcome.getOperation());
+        assertEquals(ENTITY, outcome.getTarget());
+        assertEquals(PolicyResult.FAILURE, outcome.getResult());
+        assertEquals(ControlLoopOperation.FAILED_MSG, outcome.getMessage());
+
+        Instant start = outcome.getStart();
+        assertNotNull(start);
+
+        Instant end = outcome.getEnd();
+        assertNotNull(end);
+        assertTrue(start.compareTo(end) <= 0);
+
+        verify(callback1).accept(eq(outcome));
+        verify(callback2).accept(eq(outcome));
+        verify(callback3).accept(eq(outcome));
+    }
+}