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/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 Huawei Technologies Co., Ltd. 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.openecomp.mso.asdc.installer.heat.tests;

import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URISyntaxException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;

import org.apache.commons.codec.binary.Base64;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.Mockito;
import org.openecomp.mso.asdc.client.ASDCConfiguration;
import org.openecomp.mso.asdc.client.exceptions.ArtifactInstallerException;
import org.openecomp.mso.asdc.client.tests.ASDCControllerTest;
import org.openecomp.mso.asdc.installer.VfResourceStructure;
import org.openecomp.mso.asdc.installer.heat.VfResourceInstaller;
import org.openecomp.mso.db.catalog.CatalogDatabase;
import org.openecomp.mso.db.catalog.beans.AllottedResourceCustomization;
import org.openecomp.mso.db.catalog.beans.NetworkResourceCustomization;
import org.openecomp.mso.db.catalog.beans.Service;
import org.openecomp.mso.db.catalog.beans.ServiceToAllottedResources;
import org.openecomp.mso.db.catalog.beans.ServiceToNetworks;
import org.openecomp.mso.db.catalog.beans.VnfResource;
import org.openecomp.mso.properties.MsoJavaProperties;
import org.openecomp.mso.properties.MsoPropertiesException;
import org.openecomp.mso.properties.MsoPropertiesFactory;
import org.openecomp.sdc.api.IDistributionClient;
import org.openecomp.sdc.api.notification.IArtifactInfo;
import org.openecomp.sdc.api.notification.INotificationData;
import org.openecomp.sdc.api.notification.IResourceInstance;
import org.openecomp.sdc.api.results.IDistributionClientDownloadResult;
import org.openecomp.sdc.api.results.IDistributionClientResult;
import org.openecomp.sdc.utils.DistributionActionResultEnum;

import mockit.Mock;
import mockit.MockUp;

public class VfResourceInstallerTest {
	private static MsoPropertiesFactory msoPropertiesFactory = new MsoPropertiesFactory();

	private static String heatExample;
	private static String heatExampleMD5HashBase64;

	private static INotificationData iNotif;

	private static IDistributionClientDownloadResult downloadResult;
	private static IDistributionClientDownloadResult downloadCorruptedResult;

	private static IDistributionClientResult successfulClientInitResult;
	private static IDistributionClientResult unsuccessfulClientInitResult;

	private static IDistributionClient distributionClient;

	private static IArtifactInfo artifactInfo1;

	private static IResourceInstance resource1;

	private static VfResourceStructure vrs;

	public static final String ASDC_PROP = MsoJavaProperties.class.getClassLoader().getResource("mso.json").toString()
			.substring(5);
	public static final String ASDC_PROP2 = MsoJavaProperties.class.getClassLoader().getResource("mso2.json").toString()
			.substring(5);
	public static final String ASDC_PROP3 = MsoJavaProperties.class.getClassLoader().getResource("mso3.json").toString()
			.substring(5);
	public static final String ASDC_PROP_BAD = MsoJavaProperties.class.getClassLoader().getResource("mso-bad.json")
			.toString().substring(5);
	public static final String ASDC_PROP_WITH_NULL = MsoJavaProperties.class.getClassLoader()
			.getResource("mso-with-NULL.json").toString().substring(5);

	@BeforeClass
	public static final void prepareMockNotification() throws MsoPropertiesException, IOException, URISyntaxException,
			NoSuchAlgorithmException, ArtifactInstallerException {

		heatExample = new String(Files.readAllBytes(Paths.get(
				ASDCControllerTest.class.getClassLoader().getResource("resource-examples/autoscaling.yaml").toURI())));
		MessageDigest md = MessageDigest.getInstance("MD5");
		byte[] md5Hash = md.digest(heatExample.getBytes());
		heatExampleMD5HashBase64 = Base64.encodeBase64String(md5Hash);

		iNotif = Mockito.mock(INotificationData.class);

		// Create fake ArtifactInfo
		artifactInfo1 = Mockito.mock(IArtifactInfo.class);
		Mockito.when(artifactInfo1.getArtifactChecksum()).thenReturn(VfResourceInstallerTest.heatExampleMD5HashBase64);

		Mockito.when(artifactInfo1.getArtifactName()).thenReturn("artifact1");
		Mockito.when(artifactInfo1.getArtifactType()).thenReturn(ASDCConfiguration.HEAT);
		Mockito.when(artifactInfo1.getArtifactURL())
				.thenReturn("https://localhost:8080/v1/catalog/services/srv1/2.0/resources/aaa/1.0/artifacts/aaa.yml");
		Mockito.when(artifactInfo1.getArtifactUUID()).thenReturn("UUID1");
		Mockito.when(artifactInfo1.getArtifactDescription()).thenReturn("testos artifact1");

		distributionClient = Mockito.mock(IDistributionClient.class);

		// Now provision the NotificationData mock
		List<IArtifactInfo> listArtifact = new ArrayList<>();
		listArtifact.add(artifactInfo1);

		// Create fake resource Instance
		resource1 = Mockito.mock(IResourceInstance.class);
//		Mockito.when(resource1.getResourceType()).thenReturn("VF");
		Mockito.when(resource1.getResourceName()).thenReturn("resourceName");
		Mockito.when(resource1.getArtifacts()).thenReturn(listArtifact);

		List<IResourceInstance> resources = new ArrayList<>();
		resources.add(resource1);

		Mockito.when(iNotif.getResources()).thenReturn(resources);
		Mockito.when(iNotif.getDistributionID()).thenReturn("distributionID1");
		Mockito.when(iNotif.getServiceName()).thenReturn("serviceName1");
		Mockito.when(iNotif.getServiceUUID()).thenReturn("serviceNameUUID1");
		Mockito.when(iNotif.getServiceVersion()).thenReturn("1.0");

		downloadResult = Mockito.mock(IDistributionClientDownloadResult.class);
		Mockito.when(downloadResult.getArtifactPayload()).thenReturn(heatExample.getBytes());
		Mockito.when(downloadResult.getDistributionActionResult()).thenReturn(DistributionActionResultEnum.SUCCESS);
		Mockito.when(downloadResult.getDistributionMessageResult()).thenReturn("Success");

		downloadCorruptedResult = Mockito.mock(IDistributionClientDownloadResult.class);
		Mockito.when(downloadCorruptedResult.getArtifactPayload()).thenReturn((heatExample + "badone").getBytes());
		Mockito.when(downloadCorruptedResult.getDistributionActionResult())
				.thenReturn(DistributionActionResultEnum.SUCCESS);
		Mockito.when(downloadCorruptedResult.getDistributionMessageResult()).thenReturn("Success");

		vrs = new VfResourceStructure(iNotif, resource1);
		try {
			vrs.addArtifactToStructure(distributionClient, artifactInfo1, downloadResult);
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}
		try {
			vrs.createVfModuleStructures();
		} catch (ArtifactInstallerException e) {
			e.printStackTrace();
		}
		vrs.getNotification();
		vrs.getArtifactsMapByUUID();
		vrs.getCatalogNetworkResourceCustomization();
		vrs.getCatalogResourceCustomization();
		vrs.getCatalogService();
		vrs.getCatalogServiceToAllottedResources();
		vrs.getCatalogServiceToNetworks();
		vrs.getCatalogVnfResource();
		vrs.getResourceInstance();
		vrs.getVfModulesStructureList();
		vrs.getVfModuleStructure();
		vrs.setCatalogNetworkResourceCustomization(new NetworkResourceCustomization());
		vrs.setCatalogResourceCustomization(new AllottedResourceCustomization());
		vrs.setCatalogService(new Service());
		vrs.setCatalogServiceToAllottedResources(new ServiceToAllottedResources());
		vrs.setCatalogServiceToNetworks(new ServiceToNetworks());
		vrs.setCatalogVnfResource(new VnfResource());
		vrs.setSuccessfulDeployment();
		
		AllottedResourceCustomization arc= new AllottedResourceCustomization();
		arc.setModelCustomizationUuid("modelCustomizationUuid");
		List<AllottedResourceCustomization> allottedResources = new ArrayList<>();
		allottedResources.add(arc);
		
		NetworkResourceCustomization nrc = new NetworkResourceCustomization();
		nrc.setModelCustomizationUuid("modelCustomizationUuid");
		List<NetworkResourceCustomization> networkResources = new ArrayList<>();
		networkResources.add(nrc);
		
		new MockUp<CatalogDatabase>() {
			@Mock
			public List<AllottedResourceCustomization> getAllAllottedResourcesByServiceModelUuid(String serviceModelUuid) {
				return allottedResources;
			}
		};
		new MockUp<CatalogDatabase>() {
			@Mock
			 public List<NetworkResourceCustomization> getAllNetworksByServiceModelUuid(String serviceModelUuid) {
				return networkResources;
			}
		};
		
		// Mock now the ASDC distribution client behavior
		successfulClientInitResult = Mockito.mock(IDistributionClientResult.class);
		Mockito.when(successfulClientInitResult.getDistributionActionResult())
				.thenReturn(DistributionActionResultEnum.SUCCESS);

		unsuccessfulClientInitResult = Mockito.mock(IDistributionClientResult.class);
		Mockito.when(unsuccessfulClientInitResult.getDistributionActionResult())
				.thenReturn(DistributionActionResultEnum.GENERAL_ERROR);

	}

	@Before
	public final void initBeforeEachTest() throws MsoPropertiesException {
		// load the config
		msoPropertiesFactory.removeAllMsoProperties();
		msoPropertiesFactory.initializeMsoProperties(ASDCConfiguration.MSO_PROP_ASDC, ASDC_PROP);
	}

	@AfterClass
	public static final void kill() throws MsoPropertiesException {

		msoPropertiesFactory.removeMsoProperties(ASDCConfiguration.MSO_PROP_ASDC);

	}

	@Test
	public void isResourceAlreadyDeployedAllotedResourceTest() {
		
		Mockito.when(resource1.getResourceType()).thenReturn("VF");
		Mockito.when(resource1.getCategory()).thenReturn("Allotted Resource");
		VfResourceInstaller vfri = new VfResourceInstaller();

		try {
			vfri.isResourceAlreadyDeployed(vrs);
		} catch (ArtifactInstallerException e) {
		}

	}
	
	@Test
	public void isResourceAlreadyDeployedTest() {
		
		Mockito.when(resource1.getResourceType()).thenReturn("VF");
		Mockito.when(resource1.getCategory()).thenReturn("Not Allotted Resource");
		VfResourceInstaller vfri = new VfResourceInstaller();
		
		try {
			vfri.isResourceAlreadyDeployed(vrs);
		} catch (ArtifactInstallerException e) {
		}
		
	}
	@Test
	public void isResourceAlreadyDeployedDuplicateNtwrkTest() {
		
		Mockito.when(resource1.getResourceType()).thenReturn("VL");
		Mockito.when(resource1.getCategory()).thenReturn("Not Allotted Resource");
		VfResourceInstaller vfri = new VfResourceInstaller();
		
		try {
			vfri.isResourceAlreadyDeployed(vrs);
		} catch (ArtifactInstallerException e) {
		}
		
	}

	@Test(expected=Exception.class)
	public void installTheResourceTest() {
		VfResourceInstaller vfri = new VfResourceInstaller();
		try {
			vfri.installTheResource(vrs);
		} catch (ArtifactInstallerException e) {
		}
	}
}