Unit test for iaas provider activator

Change-Id: I7e7ec6d977625406b9d4dee19d974492e1a5f4cc
Issue-ID: APPC-615
Signed-off-by: Taka <tc012c@att.com>

2 files changed, 114 insertions, 2 deletions

diff --git a/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/onap/appc/adapter/iaas/AppcProviderAdapterActivator.java b/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/onap/appc/adapter/iaas/AppcProviderAdapterActivator.java
index fbd650c39..14d59fb7d 100644
--- a/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/onap/appc/adapter/iaas/AppcProviderAdapterActivator.java
+++ b/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/onap/appc/adapter/iaas/AppcProviderAdapterActivator.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP : APPC
  * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
  * ================================================================================
  * Copyright (C) 2017 Amdocs
  * =============================================================================
@@ -75,6 +75,7 @@ public class AppcProviderAdapterActivator implements BundleActivator {
      */
     private Configuration configuration;
 
+    private static final String IAAS_ADAPTER = "APPC IaaS adapter";
     /**
      * Called when this bundle is started so the Framework can perform the bundle-specific activities necessary to start
      * this bundle. This method can be used to register services or to allocate any resources that this bundle needs.
@@ -141,7 +142,7 @@ public class AppcProviderAdapterActivator implements BundleActivator {
     }
 
     public String getName() {
-        return "APPC IaaS adapter";
+        return IAAS_ADAPTER;
     }
 
 }
diff --git a/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/test/java/org/onap/appc/adapter/iaas/AppcProviderAdapterActivatorTest.java b/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/test/java/org/onap/appc/adapter/iaas/AppcProviderAdapterActivatorTest.java
new file mode 100644
index 000000000..7a8d9ab3c
--- /dev/null
+++ b/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/test/java/org/onap/appc/adapter/iaas/AppcProviderAdapterActivatorTest.java
@@ -0,0 +1,111 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2018 AT&T. 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.appc.adapter.iaas;
+
+import static org.mockito.BDDMockito.given;
+import static org.mockito.BDDMockito.then;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Matchers.isA;
+import static org.mockito.Matchers.isNull;
+import static org.mockito.Mockito.only;
+
+import java.util.Dictionary;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.onap.appc.adapter.iaas.impl.ProviderAdapterImpl;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceRegistration;
+
+@RunWith(MockitoJUnitRunner.class)
+public class AppcProviderAdapterActivatorTest {
+
+    @Mock
+    private ServiceRegistration<ProviderAdapter> serviceRegistration;
+    @Mock
+    private BundleContext bundleContext;
+
+    private AppcProviderAdapterActivator appcProviderAdapterActivator = new AppcProviderAdapterActivator();
+
+    @Before
+    public void setUp() {
+        given(bundleContext.registerService(eq(ProviderAdapter.class), isA(ProviderAdapterImpl.class), isNull(
+            Dictionary.class))).willReturn(serviceRegistration);
+    }
+
+    @Test
+    public void start_shouldRegisterService_whenRegistrationOccursForTheFirstTime() throws Exception {
+        registerService();
+
+        then(bundleContext).should(only())
+            .registerService(eq(ProviderAdapter.class), isA(ProviderAdapterImpl.class), isNull(
+                Dictionary.class));
+    }
+
+    @Test
+    public void start_shouldRegisterServiceOnlyOnce_whenServiceRegistrationIsNotNull() throws Exception {
+        // GIVEN
+        registerService();
+
+        // WHEN
+        registerService();
+
+        // THEN
+        then(bundleContext).should(only()).registerService(eq(ProviderAdapter.class), isA(ProviderAdapterImpl.class), isNull(
+            Dictionary.class));
+    }
+
+    @Test
+    public void stop_shouldUnregisterService_whenServiceRegistrationObjectIsNotNull() throws Exception {
+        // GIVEN
+        registerService();
+
+        // WHEN
+        unregisterService();
+
+        // THEN
+        then(serviceRegistration).should().unregister();
+    }
+
+    @Test
+    public void stop_shouldNotAttemptToUnregisterService_whenServiceHasAlreadyBeenUnregistered()
+        throws Exception {
+        // GIVEN
+        registerService();
+        unregisterService();
+
+        // WHEN
+        unregisterService();
+
+        // THEN
+        then(serviceRegistration).should(only()).unregister();
+    }
+
+    private void registerService() throws Exception {
+        appcProviderAdapterActivator.start(bundleContext);
+    }
+
+    private void unregisterService() throws Exception {
+        appcProviderAdapterActivator.stop(bundleContext);
+    }
+}
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