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diff --git a/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/test/java/org/onap/appc/adapter/iaas/impl/TestTenantCache.java b/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/test/java/org/onap/appc/adapter/iaas/impl/TestTenantCache.java
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+++ b/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/test/java/org/onap/appc/adapter/iaas/impl/TestTenantCache.java
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+/*
+ * ============LICENSE_START======================================================= Copyright (C)
+ * 2016-2018 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.adapter.iaas.impl;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.mockito.Matchers.anyObject;
+import static org.mockito.Matchers.anyString;
+import static org.mockito.Mockito.doThrow;
+import static org.mockito.Mockito.when;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Properties;
+import java.util.Set;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.onap.appc.Constants;
+import org.onap.appc.configuration.Configuration;
+import org.onap.appc.configuration.ConfigurationFactory;
+import org.onap.appc.pool.Pool;
+import com.att.cdp.exceptions.ContextConnectionException;
+import com.att.cdp.exceptions.ZoneException;
+import com.att.cdp.zones.Context;
+import com.google.common.collect.ImmutableMap;
+
+/**
+ * This class is used to test methods and functions of the Tenant cache
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class TestTenantCache {
+
+    private TenantCache tenantCache;
+
+    private VMURL url;
+
+    @Mock
+    private ServiceCatalog catalog;
+
+    @Mock
+    private Context context;
+
+    @Mock
+    Pool<Context> pool;
+
+    private ProviderCache provider;
+
+    private static String TENANT_NAME;
+    private static String TENANT_ID;
+    private static String IDENTITY_URL;
+    private static String REGION_NAME;
+    private static String CREDENTIAL;
+    private static String DOMAIN;
+
+    protected Set<String> regions = new HashSet<>(Arrays.asList("RegionOne"));
+
+    @BeforeClass
+    public static void before() {
+        Properties props = ConfigurationFactory.getConfiguration().getProperties();
+        IDENTITY_URL = props.getProperty("provider1.identity");
+        TENANT_NAME = props.getProperty("provider1.tenant1.name", "appc");
+        TENANT_ID = props.getProperty("provider1.tenant1.id",
+                props.getProperty("test.tenantid", "abcde12345fghijk6789lmnopq123rst"));
+        DOMAIN = props.getProperty("provider1.tenant1.domain", "Default");
+        CREDENTIAL = props.getProperty("provider1.tenant1.password", "appc");
+        REGION_NAME = props.getProperty("provider1.tenant1.region", "RegionOne");
+    }
+
+    @Before
+    public void setup() {
+        Configuration props = ConfigurationFactory.getConfiguration();
+        props.setProperty(Constants.PROPERTY_RETRY_LIMIT, "3");
+        provider = new ProviderCache();
+        provider.setIdentityURL(IDENTITY_URL);
+        tenantCache = new TenantCache(provider);
+        tenantCache.setDomain(DOMAIN);
+        tenantCache.setPassword(CREDENTIAL);
+        tenantCache.setTenantId(TENANT_ID);
+        tenantCache.setTenantName(TENANT_NAME);
+        tenantCache.setUserid(CREDENTIAL);
+        props.setProperty(Constants.PROPERTY_RETRY_DELAY, "1");
+        Map<String, Object> privateFields = ImmutableMap.<String, Object>builder().put("catalog", catalog).build();
+        CommonUtility.injectMockObjects(privateFields, tenantCache);
+    }
+
+    @Test
+    public void testDetermineRegion() {
+        when(catalog.getVMRegion(url)).thenReturn(REGION_NAME);
+        assertEquals(REGION_NAME, tenantCache.determineRegion(url));
+    }
+
+    @Test
+    public void testDestroy() {
+        TenantCache spy = Mockito.spy(tenantCache);
+        spy.destroy(context, pool);
+    }
+
+    @Test
+    public void testDestroyWithException() throws IOException {
+        doThrow(new IOException("I/O Exception occured while closing context")).when(context).close();
+        TenantCache spy = Mockito.spy(tenantCache);
+        spy.destroy(context, pool);
+    }
+
+    @Test
+    public void testInitialize() {
+        TenantCache spyTenant = Mockito.spy(tenantCache);
+        when(catalog.getRegions()).thenReturn(regions);
+        when(catalog.getProjectId()).thenReturn(TENANT_ID);
+        when(catalog.getProjectName()).thenReturn(TENANT_NAME);
+        spyTenant.initialize();
+    }
+
+    @Test
+    public void testInitializeWithOverLimit() {
+        Configuration props = ConfigurationFactory.getConfiguration();
+        props.setProperty(Constants.PROPERTY_RETRY_LIMIT, "1");
+        TenantCache spyTenant = Mockito.spy(tenantCache);
+        when(spyTenant.getServiceCatalogFactory(anyString(), anyString(), anyObject())).thenReturn(catalog);
+        when(spyTenant.getTenantName()).thenReturn(TENANT_NAME);
+        when(catalog.getRegions()).thenReturn(regions);
+        spyTenant.initialize();
+    }
+
+    @Test
+    public void testInitializeWithContextConnectionException() throws ZoneException {
+        Configuration props = ConfigurationFactory.getConfiguration();
+        props.setProperty(Constants.PROPERTY_RETRY_LIMIT, "2");
+        props.setProperty(Constants.PROPERTY_RETRY_DELAY, "1");
+        doThrow(new ContextConnectionException("Contex Connection Exception")).when(catalog).init();
+        TenantCache spyTenant = Mockito.spy(tenantCache);
+        spyTenant.initialize();
+    }
+
+    @Test
+    public void testInitializeWithZoneException() throws ZoneException {
+        Configuration props = ConfigurationFactory.getConfiguration();
+        props.setProperty(Constants.PROPERTY_RETRY_LIMIT, "2");
+        props.setProperty(Constants.PROPERTY_RETRY_DELAY, "1");
+        doThrow(new ZoneException("Zone Exception")).when(catalog).init();
+        TenantCache spyTenant = Mockito.spy(tenantCache);
+        when(spyTenant.getServiceCatalogFactory(anyString(), anyString(), anyObject())).thenReturn(catalog);
+        spyTenant.initialize();
+    }
+
+    /**
+     * Ensure that we set up the Domain property correctly
+     */
+    @Test
+    public void testDomainProperty() {
+        assertEquals(DOMAIN, tenantCache.getDomain());
+    }
+
+    /**
+     * Ensure that we set up the Provider property correctly
+     */
+    @Test
+    public void testProviderProperty() {
+        assertEquals(provider, tenantCache.getProvider());
+    }
+
+    /**
+     * Ensure that we set up the Password property correctly
+     */
+    @Test
+    public void testPasswordProperty() {
+        assertEquals(CREDENTIAL, tenantCache.getPassword());
+    }
+
+    /**
+     * Ensure that we set up the Tenant Id property correctly
+     */
+    @Test
+    public void testTenantIdProperty() {
+        assertEquals(TENANT_ID, tenantCache.getTenantId());
+    }
+
+    /**
+     * Ensure that we set up the Tenant Name property correctly
+     */
+    @Test
+    public void testTenantNameProperty() {
+        assertEquals(TENANT_NAME, tenantCache.getTenantName());
+    }
+
+    /**
+     * Ensure that we set up the User Id property correctly
+     */
+    @Test
+    public void testUserIdProperty() {
+        assertEquals(CREDENTIAL, tenantCache.getUserid());
+    }
+
+    /**
+     * Ensure that we set up the Pools property correctly
+     */
+    @Test
+    public void testPoolsProperty() {
+        assertNotNull(tenantCache.getPools());
+    }
+}