junits for MsoTenantUtilsFactory

-Added new test for MsoTenantUtilsFactory

Change-Id: I9ba756a1f1c569dc7d0c1528272cca1ccfe3aad4
Issue-ID: SO-1339
Signed-off-by: Tomasz Gwozdecki <tomasz.gwozdecki@nokia.com>
diff --git a/adapters/mso-adapter-utils/src/test/java/org/onap/so/openstack/utils/MsoTenantUtilsFactoryTest.java b/adapters/mso-adapter-utils/src/test/java/org/onap/so/openstack/utils/MsoTenantUtilsFactoryTest.java
index fa4c6bf..0ef54a0 100644
--- a/adapters/mso-adapter-utils/src/test/java/org/onap/so/openstack/utils/MsoTenantUtilsFactoryTest.java
+++ b/adapters/mso-adapter-utils/src/test/java/org/onap/so/openstack/utils/MsoTenantUtilsFactoryTest.java
@@ -3,6 +3,8 @@
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.catchThrowableOfType;
 import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.RETURNS_DEEP_STUBS;
+import static org.mockito.Mockito.mock;
 
 import java.util.Optional;
 import org.junit.Test;
@@ -11,6 +13,7 @@
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
 import org.onap.so.cloud.CloudConfig;
+import org.onap.so.db.catalog.beans.CloudSite;
 import org.onap.so.openstack.exceptions.MsoCloudSiteNotFound;
 
 @RunWith(MockitoJUnitRunner.class)
@@ -35,4 +38,17 @@
         assertThat(msoCloudSiteNotFound.getMessage()).contains(cloudSiteId);
     }
 
+    @Test
+    public void getTenantUtils_shouldReturnNull_forInvalidServerType() throws MsoCloudSiteNotFound {
+        // GIVEN
+        String cloudSiteId = "CloudSiteId";
+        CloudSite cloudSite = mock(CloudSite.class, RETURNS_DEEP_STUBS);
+        given(cloudConfig.getCloudSite(cloudSiteId)).willReturn(Optional.of(cloudSite));
+
+        // WHEN
+        MsoTenantUtils tenantUtils = msoTenantUtilsFactory.getTenantUtils(cloudSiteId);
+
+        // THEN
+        assertThat(tenantUtils).isNull();
+    }
 }
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