Added test case for Flow Controller Activator

Increased the code coverage from 0% to 97%

Issue-ID: APPC-1429
Change-Id: Iada494daad7939b00c76fead73be864c6b40e045
Signed-off-by: Lathishbabu Ganesan <lathishbabu.ganesan@ericsson.com>

diff --git a/appc-config/appc-flow-controller/provider/src/test/java/org/onap/appc/flow/controller/TestFlowControllerActivator.java b/appc-config/appc-flow-controller/provider/src/test/java/org/onap/appc/flow/controller/TestFlowControllerActivator.java
new file mode 100644 (file)
index 0000000..7aab802
--- /dev/null
+++ b/appc-config/appc-flow-controller/provider/src/test/java/org/onap/appc/flow/controller/TestFlowControllerActivator.java
@@ -0,0 +1,87 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2019 Ericsson. 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.flow.controller;
+
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.when;
+import java.util.List;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mockito;
+import org.mockito.internal.util.reflection.Whitebox;
+import org.onap.ccsdk.sli.core.sli.provider.SvcLogicService;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.FrameworkUtil;
+import org.osgi.framework.ServiceRegistration;
+import org.powermock.api.mockito.PowerMockito;
+import org.powermock.core.classloader.annotations.PrepareForTest;
+import org.powermock.modules.junit4.PowerMockRunner;
+
+@RunWith(PowerMockRunner.class)
+@PrepareForTest(FrameworkUtil.class)
+public class TestFlowControllerActivator {
+
+    private FlowControllerActivator flowControllerActivator;
+    private Bundle bundle;
+    private BundleContext ctx;
+    private ServiceRegistration registration = null;
+
+    @Before
+    public void setUp() throws Exception {
+        flowControllerActivator = new FlowControllerActivator();
+        ctx = Mockito.mock(BundleContext.class);
+        PowerMockito.mockStatic(FrameworkUtil.class);
+        bundle = Mockito.mock(Bundle.class);
+        PowerMockito.when(FrameworkUtil.getBundle(SvcLogicService.class)).thenReturn(bundle);
+        PowerMockito.when(bundle.getBundleContext()).thenReturn(ctx);
+        registration = Mockito.mock(ServiceRegistration.class);
+        when(ctx.registerService(anyString(), anyObject(), eq(null))).thenReturn(registration);
+    }
+
+    @Test
+    public void testStart() {
+        flowControllerActivator.start(ctx);
+        List<ServiceRegistration> registrations =
+                (List<ServiceRegistration>) Whitebox.getInternalState(flowControllerActivator, "registrations");
+        assertNotNull(registrations.get(0));
+    }
+
+    @Test
+    public void testStartException() {
+        flowControllerActivator.start(null);
+        List<ServiceRegistration> registrations =
+                (List<ServiceRegistration>) Whitebox.getInternalState(flowControllerActivator, "registrations");
+        assertTrue(registrations.isEmpty());
+    }
+
+    @Test
+    public void testStop() {
+        flowControllerActivator.stop(ctx);
+        List<ServiceRegistration> registrations =
+                (List<ServiceRegistration>) Whitebox.getInternalState(flowControllerActivator, "registrations");
+        assertTrue(registrations.isEmpty());
+    }
+
+}