openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/java/org/openecomp/core/impl/ToscaConverterImplTest.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019 Nordix Foundation
   4  *  ================================================================================
   5  *  Licensed under the Apache License, Version 2.0 (the "License");
   6  *  you may not use this file except in compliance with the License.
   7  *  You may obtain a copy of the License at
   8  *
   9  *        http://www.apache.org/licenses/LICENSE-2.0
  10  *  Unless required by applicable law or agreed to in writing, software
  11  *  distributed under the License is distributed on an "AS IS" BASIS,
  12  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *  See the License for the specific language governing permissions and
  14  *  limitations under the License.
  15  *
  16  *  SPDX-License-Identifier: Apache-2.0
  17  *  ============LICENSE_END=========================================================
  18  */
  19
  20 package org.openecomp.core.impl;
  21
  22 import org.apache.commons.collections.CollectionUtils;
  23 import org.junit.Assert;
  24 import org.junit.Test;
  25 import org.onap.sdc.tosca.datatypes.model.*;
  26 import org.onap.sdc.tosca.services.ToscaExtensionYamlUtil;
  27 import org.onap.sdc.tosca.services.YamlUtil;
  28 import org.openecomp.core.converter.ToscaConverter;
  29 import org.openecomp.core.utilities.file.FileContentHandler;
  30 import org.openecomp.core.utilities.file.FileUtils;
  31 import org.openecomp.core.utilities.json.JsonUtil;
  32 import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
  33
  34 import java.io.File;
  35 import java.io.FileInputStream;
  36 import java.io.IOException;
  37 import java.io.InputStream;
  38 import java.net.URL;
  39 import java.nio.file.NotDirectoryException;
  40 import java.util.*;
  41
  42 import static org.junit.Assert.assertEquals;
  43 import static org.openecomp.core.converter.datatypes.Constants.globalStName;
  44 import static org.openecomp.core.converter.datatypes.Constants.mainStName;
  45
  46 public class ToscaConverterImplTest {
  47
  48   private static final ToscaConverter toscaConverter = new ToscaConverterImpl();
  49   private static final String VIRTUAL_LINK = "virtualLink";
  50   private static final String UNBOUNDED = "UNBOUNDED";
  51   private static final String BASE_DIR = "/mock/toscaConverter";
  52
  53
  54   @Test
  55   public void testConvertMainSt() throws IOException {
  56     String inputFilesPath = BASE_DIR + "/convertMainSt/in";
  57     String outputFilesPath = BASE_DIR + "/convertMainSt/out";
  58
  59     convertAndValidate(inputFilesPath, outputFilesPath);
  60   }
  61
  62   @Test
  63   public void testNodesConversion() throws IOException {
  64     String inputFilesPath = BASE_DIR + "/convertCsar/in";
  65     String outputFilesPath = BASE_DIR + "/convertCsar/out";
  66
  67     convertAndValidate(inputFilesPath, outputFilesPath);
  68   }
  69
  70   @Test
  71   public void testParameterConversion() throws IOException {
  72     String inputFilesPath = BASE_DIR + "/convertParameters/in";
  73     String outputFilesPath = BASE_DIR + "/convertParameters/out";
  74
  75     convertAndValidate(inputFilesPath, outputFilesPath);
  76   }
  77
  78   @Test
  79   public void testConversionWithInt() throws IOException {
  80     String inputFilesPath = BASE_DIR + "/conversionWithInt/in";
  81     String outputFilesPath = BASE_DIR + "/conversionWithInt/out";
  82
  83     convertAndValidate(inputFilesPath, outputFilesPath);
  84   }
  85
  86   @Test
  87   public void testOccurrencesUpperString() {
  88     Object[] occurrences = buildOccurrences("0", UNBOUNDED);
  89     Assert.assertEquals(occurrences[0], 0);
  90     Assert.assertEquals(occurrences[1], UNBOUNDED);
  91   }
  92
  93   @Test
  94   public void testOccurrencesAsInts() {
  95     Object[] occurrences = buildOccurrences("0", "1");
  96     Assert.assertEquals(occurrences[0], 0);
  97     Assert.assertEquals(occurrences[1], 1);
  98   }
  99
 100   @Test
 101   public void testOccurrencesAsStrings() {
 102     String test = "TEST_A";
 103     Object[] occurrences = buildOccurrences(UNBOUNDED, test);
 104     Assert.assertEquals(occurrences[0], UNBOUNDED);
 105     Assert.assertEquals(occurrences[1], test);
 106   }
 107
 108   @Test
 109   public void testOccurrencesLowerString() {
 110     Object[] occurrences = buildOccurrences(UNBOUNDED, "100");
 111     Assert.assertEquals(occurrences[0], UNBOUNDED);
 112     Assert.assertEquals(occurrences[1], 100);
 113   }
 114
 115   @Test
 116   public void testOccurrencesEmpty() {
 117     Object[] occurrences = buildOccurrences();
 118     Assert.assertEquals(occurrences.length, 0);
 119   }
 120
 121   @Test
 122   public void testOccurrencesMany() {
 123     String test = "TEST_B";
 124     Object[] occurrences = buildOccurrences("1", "2", test);
 125     Assert.assertEquals(occurrences[0], 1);
 126     Assert.assertEquals(occurrences[1], 2);
 127     Assert.assertEquals(occurrences[2], test);
 128   }
 129
 130   @Test
 131   public void testDefaultOccurrences() {
 132     Object[] occurrences = buildOccurrences((List<String>) null);
 133     Assert.assertEquals(1, occurrences[0]);
 134     Assert.assertEquals(1, occurrences[1]);
 135   }
 136
 137   private Object[] buildOccurrences(String... bounds) {
 138     return buildOccurrences(Arrays.asList(bounds));
 139   }
 140
 141   private void convertAndValidate(String inputFilesPath, String outputFilesPath)
 142       throws IOException {
 143     FileContentHandler fileContentHandler =
 144         createFileContentHandlerFromInput(inputFilesPath);
 145
 146     ToscaServiceModel toscaServiceModel = toscaConverter.convert(fileContentHandler);
 147     validateConvertorOutput(outputFilesPath, toscaServiceModel);
 148   }
 149
 150   private void validateConvertorOutput(String outputFilesPath, ToscaServiceModel toscaServiceModel)
 151       throws IOException {
 152     ServiceTemplate mainSt = toscaServiceModel.getServiceTemplates().get(mainStName);
 153     Map<String, ServiceTemplate> expectedOutserviceTemplates = new HashMap<>();
 154     loadServiceTemplates(outputFilesPath, new ToscaExtensionYamlUtil(),
 155         expectedOutserviceTemplates);
 156
 157     checkSTResults(expectedOutserviceTemplates, null, mainSt);
 158   }
 159
 160   private Object[] buildOccurrences(List<String> bounds) {
 161     NodeType nodeType = JsonUtil.json2Object("{derived_from=tosca.nodes.Root, description=MME_VFC, " +
 162             "properties={vendor={type=string, default=ERICSSON}, " +
 163             "csarVersion={type=string, default=v1.0}, csarProvider={type=string, default=ERICSSON}, " +
 164             "id={type=string, default=vMME}, version={type=string, default=v1.0}, csarType={type=string, default=NFAR}}, " +
 165             "requirements=[{virtualLink={" +
 166             (bounds == null ? "" : "occurrences=[" + String.join(", ", bounds) +   "], ") +
 167             "capability=tosca.capabilities.network.Linkable}}]}", NodeType.class);
 168     List<Map<String, RequirementDefinition>> requirements = nodeType.getRequirements();
 169     return requirements.get(0).get(VIRTUAL_LINK).getOccurrences();
 170   }
 171
 172   private FileContentHandler createFileContentHandlerFromInput(String inputFilesPath)
 173       throws IOException {
 174     URL inputFilesUrl = this.getClass().getResource(inputFilesPath);
 175     String path = inputFilesUrl.getPath();
 176     File directory = new File(path);
 177     File[] listFiles = directory.listFiles();
 178
 179     FileContentHandler fileContentHandler = new FileContentHandler();
 180     insertFilesIntoFileContentHandler(listFiles, fileContentHandler);
 181     return fileContentHandler;
 182   }
 183
 184   private void insertFilesIntoFileContentHandler(File[] listFiles,
 185                                                  FileContentHandler fileContentHandler)
 186       throws IOException {
 187     byte[] fileContent;
 188     if(CollectionUtils.isEmpty(fileContentHandler.getFileList())) {
 189       fileContentHandler.setFiles(new HashMap<>());
 190     }
 191
 192     for (File file : listFiles) {
 193       if(!file.isDirectory()) {
 194         try (FileInputStream fis = new FileInputStream(file)) {
 195           fileContent = FileUtils.toByteArray(fis);
 196           fileContentHandler.addFile(file.getPath(), fileContent);
 197         }
 198       }else{
 199         File[] currFileList = file.listFiles();
 200         insertFilesIntoFileContentHandler(currFileList, fileContentHandler);
 201       }
 202
 203     }
 204   }
 205
 206   private void checkSTResults(
 207       Map<String, ServiceTemplate> expectedOutserviceTemplates,
 208       ServiceTemplate gloablSubstitutionServiceTemplate, ServiceTemplate mainServiceTemplate) {
 209     YamlUtil yamlUtil = new YamlUtil();
 210     if (Objects.nonNull(gloablSubstitutionServiceTemplate)) {
 211       assertEquals("difference global substitution service template: ",
 212           yamlUtil.objectToYaml(expectedOutserviceTemplates.get(globalStName)),
 213           yamlUtil.objectToYaml(gloablSubstitutionServiceTemplate));
 214     }
 215     if (Objects.nonNull(mainServiceTemplate)) {
 216       assertEquals("difference main service template: ",
 217           yamlUtil.objectToYaml(expectedOutserviceTemplates.get(mainStName)),
 218           yamlUtil.objectToYaml(mainServiceTemplate));
 219     }
 220   }
 221
 222   public static void loadServiceTemplates(String serviceTemplatesPath,
 223                                           ToscaExtensionYamlUtil toscaExtensionYamlUtil,
 224                                           Map<String, ServiceTemplate> serviceTemplates)
 225       throws IOException {
 226     URL urlFile = ToscaConverterImplTest.class.getResource(serviceTemplatesPath);
 227     if (urlFile != null) {
 228       File pathFile = new File(urlFile.getFile());
 229       File[] files = pathFile.listFiles();
 230       if (files != null) {
 231         addServiceTemplateFiles(serviceTemplates, files, toscaExtensionYamlUtil);
 232       } else {
 233         throw new NotDirectoryException(serviceTemplatesPath);
 234       }
 235     } else {
 236       throw new NotDirectoryException(serviceTemplatesPath);
 237     }
 238   }
 239
 240   private static void addServiceTemplateFiles(Map<String, ServiceTemplate> serviceTemplates,
 241                                               File[] files,
 242                                               ToscaExtensionYamlUtil toscaExtensionYamlUtil) throws IOException {
 243
 244     for (File file : files) {
 245
 246       try (InputStream yamlFile = new FileInputStream(file)) {
 247         ServiceTemplate serviceTemplateFromYaml =
 248             toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
 249         createConcreteRequirementObjectsInServiceTemplate(serviceTemplateFromYaml, toscaExtensionYamlUtil);
 250         serviceTemplates.put(file.getName(), serviceTemplateFromYaml);
 251       }
 252     }
 253   }
 254
 255   private static void createConcreteRequirementObjectsInServiceTemplate(ServiceTemplate
 256                                                                             serviceTemplateFromYaml,
 257                                                                         ToscaExtensionYamlUtil
 258                                                                             toscaExtensionYamlUtil) {
 259
 260     if (serviceTemplateFromYaml == null
 261         || serviceTemplateFromYaml.getTopology_template() == null
 262         || serviceTemplateFromYaml.getTopology_template().getNode_templates() == null) {
 263       return;
 264     }
 265
 266     //Creating concrete objects
 267     Map<String, NodeTemplate> nodeTemplates =
 268         serviceTemplateFromYaml.getTopology_template().getNode_templates();
 269     for (Map.Entry<String, NodeTemplate> entry : nodeTemplates.entrySet()) {
 270       NodeTemplate nodeTemplate = entry.getValue();
 271       List<Map<String, RequirementAssignment>> requirements = nodeTemplate.getRequirements();
 272       List<Map<String, RequirementAssignment>> concreteRequirementList = new ArrayList<>();
 273       if (requirements != null) {
 274         ListIterator<Map<String, RequirementAssignment>> reqListIterator = requirements
 275             .listIterator();
 276         while (reqListIterator.hasNext()){
 277           Map<String, RequirementAssignment> requirement = reqListIterator.next();
 278           Map<String, RequirementAssignment> concreteRequirement = new HashMap<>();
 279           for (Map.Entry<String, RequirementAssignment> reqEntry : requirement.entrySet()) {
 280             RequirementAssignment requirementAssignment = (toscaExtensionYamlUtil
 281                 .yamlToObject(toscaExtensionYamlUtil.objectToYaml(reqEntry.getValue()),
 282                     RequirementAssignment.class));
 283             concreteRequirement.put(reqEntry.getKey(), requirementAssignment);
 284             concreteRequirementList.add(concreteRequirement);
 285             reqListIterator.remove();
 286           }
 287         }
 288         requirements.clear();
 289         requirements.addAll(concreteRequirementList);
 290         nodeTemplate.setRequirements(requirements);
 291       }
 292       System.out.println();
 293       //toscaExtensionYamlUtil.yamlToObject(nodeTemplate, NodeTemplate.class);
 294     }
 295   }
 296 }