Add coverage for executionqueue helper package

New test file giving 100% coverage

Issue-ID: APPC-1396
Change-Id: I597a778e4c128f745335ad243c0fa8cc8b0b1e45
Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>

1 files changed, 106 insertions, 0 deletions

diff --git a/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/test/java/org/onap/appc/executionqueue/helper/UtilTest.java b/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/test/java/org/onap/appc/executionqueue/helper/UtilTest.java
new file mode 100644
index 000000000..fdd5e3420
--- /dev/null
+++ b/appc-dispatcher/appc-dispatcher-common/execution-queue-management-lib/src/test/java/org/onap/appc/executionqueue/helper/UtilTest.java
@@ -0,0 +1,106 @@
+/*
+ * ============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.helper;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import java.util.concurrent.ThreadFactory;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.onap.appc.configuration.Configuration;
+import org.onap.appc.configuration.ConfigurationFactory;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+import org.powermock.reflect.Whitebox;
+import com.att.eelf.configuration.EELFLogger;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(ConfigurationFactory.class)
+public class UtilTest {
+
+    private Configuration configuration;
+
+    @Before
+    public void setup() {
+        PowerMockito.mockStatic(ConfigurationFactory.class);
+         configuration = Mockito.mock(Configuration.class);
+        PowerMockito.when(ConfigurationFactory.getConfiguration()).thenReturn(configuration);
+    }
+
+    @Test
+    public void testInit() {
+        Util util = new Util();
+        util.init();
+        assertEquals(configuration, Whitebox.getInternalState(util, "configuration"));
+    }
+
+    @Test
+    public void testGetExecutionQueueSize() {
+        Mockito.when(configuration.getProperty("appc.dispatcher.executionqueue.backlog.size", String.valueOf(10))).thenReturn("1");
+        Util util = new Util();
+        Whitebox.setInternalState(util, "configuration", configuration);
+        assertEquals(1, util.getExecutionQueueSize());
+    }
+
+    @Test
+    public void testGetExecutionQueueSizeExceptionFlow() {
+        Mockito.when(configuration.getProperty("appc.dispatcher.executionqueue.backlog.size", String.valueOf(10))).thenReturn("Not A Number");
+        Util util = new Util();
+        Whitebox.setInternalState(util, "configuration", configuration);
+        EELFLogger mockLogger = Mockito.mock(EELFLogger.class);
+        Whitebox.setInternalState(util, "logger", mockLogger);
+        util.getExecutionQueueSize();
+        Mockito.verify(mockLogger).error(Mockito.contains("Error parsing dispatcher execution queue backlog size"),
+                Mockito.any(NumberFormatException.class));
+    }
+
+    @Test
+    public void testGetThreadPoolSize() {
+        Mockito.when(configuration.getProperty("appc.dispatcher.executionqueue.threadpool.size", String.valueOf(10))).thenReturn("1");
+        Util util = new Util();
+        Whitebox.setInternalState(util, "configuration", configuration);
+        assertEquals(1, util.getThreadPoolSize());
+    }
+
+    @Test
+    public void testGetThreadPoolSizeExceptionFlow() {
+        Mockito.when(configuration.getProperty("appc.dispatcher.executionqueue.threadpool.size", String.valueOf(10))).thenReturn("Not A Number");
+        Util util = new Util();
+        Whitebox.setInternalState(util, "configuration", configuration);
+        EELFLogger mockLogger = Mockito.mock(EELFLogger.class);
+        Whitebox.setInternalState(util, "logger", mockLogger);
+        util.getThreadPoolSize();
+        Mockito.verify(mockLogger).error(Mockito.contains("Error parsing dispatcher execution queue threadpool size"),
+                Mockito.any(NumberFormatException.class));
+    }
+
+    @Test
+    public void testGetThreadFactory() {
+        Util util = new Util();
+        Whitebox.setInternalState(util, "configuration", configuration);
+        assertTrue(util.getThreadFactory(true, "prefix") instanceof ThreadFactory);
+        assertTrue(util.getThreadFactory(true, "prefix").newThread(new Thread()) instanceof Thread);
+    }
+}