New test class for QueueManager

Increase test coverage from 8% to 84%

Issue-ID: APPC-1396
Change-Id: I82fa20559e37fa387dbc7efa0bc24ba93139a973
Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/test/java/org/onap/appc/executionqueue/impl/QueueManagerTest.java b/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/test/java/org/onap/appc/executionqueue/impl/QueueManagerTest.java
new file mode 100644
index 000000000..5b2dec8c6
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/test/java/org/onap/appc/executionqueue/impl/QueueManagerTest.java
@@ -0,0 +1,68 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2019 Ericsson
+ * ================================================================================
+ * 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.appc.executionqueue.impl;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+import java.util.ArrayList;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.TimeUnit;
+import org.mockito.Mockito;
+import org.onap.appc.executionqueue.helper.Util;
+import org.powermock.reflect.Whitebox;
+
+public class QueueManagerTest {
+
+    @Test(expected = NullPointerException.class)
+    public void testInit() {
+        QueueManager qm = new QueueManager();
+        Util util = Mockito.mock(Util.class);
+        Mockito.when(util.getExecutionQueueSize()).thenReturn(1);
+        Mockito.when(util.getThreadPoolSize()).thenReturn(1);
+        qm.setExecutionQueueUtil(util);
+        qm.init();
+        assertEquals(Integer.valueOf(1), Whitebox.getInternalState(qm, "maxThreadSize"));
+    }
+
+    @Test
+    public void testStop() throws InterruptedException {
+        QueueManager qm = Mockito.spy(new QueueManager());
+        ExecutorService executor = Mockito.mock(ExecutorService.class);
+        Mockito.when(executor.shutdownNow()).thenReturn(new ArrayList<Runnable>());
+        Mockito.when(executor.awaitTermination(100, TimeUnit.MILLISECONDS)).thenReturn(false).thenReturn(true);
+        Whitebox.setInternalState(qm, "messageExecutor", executor);
+        qm.stop();
+        Mockito.verify(executor, Mockito.times(2)).awaitTermination(100, TimeUnit.MILLISECONDS);
+    }
+
+    @Test
+    public void testEnqueueTask() throws InterruptedException {
+        QueueManager qm = Mockito.spy(new QueueManager());
+        ExecutorService executor = Mockito.mock(ExecutorService.class);
+        Mockito.when(executor.shutdownNow()).thenReturn(new ArrayList<Runnable>());
+        Mockito.when(executor.awaitTermination(100, TimeUnit.MILLISECONDS)).thenReturn(false).thenReturn(true);
+        Whitebox.setInternalState(qm, "messageExecutor", executor);
+        qm.enqueueTask(null);
+        Mockito.verify(executor).execute(Mockito.any(Runnable.class));
+    }
+
+}