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

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   4  * ================================================================================
   5  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.openecomp.core.converter.impl;
  22
  23 import org.apache.commons.collections.CollectionUtils;
  24 import org.junit.Assert;
  25 import org.junit.Test;
  26 import org.onap.sdc.tosca.datatypes.model.*;
  27 import org.onap.sdc.tosca.services.ToscaExtensionYamlUtil;
  28 import org.onap.sdc.tosca.services.YamlUtil;
  29 import org.openecomp.core.converter.ToscaConverter;
  30 import org.openecomp.core.impl.ToscaConverterImpl;
  31 import org.openecomp.core.utilities.file.FileContentHandler;
  32 import org.openecomp.core.utilities.file.FileUtils;
  33 import org.openecomp.core.utilities.json.JsonUtil;
  34 import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
  35
  36 import java.io.File;
  37 import java.io.FileInputStream;
  38 import java.io.IOException;
  39 import java.io.InputStream;
  40 import java.net.URL;
  41 import java.nio.file.NotDirectoryException;
  42 import java.util.*;
  43
  44 import static org.junit.Assert.assertEquals;
  45 import static org.openecomp.core.converter.datatypes.Constants.globalStName;
  46 import static org.openecomp.core.converter.datatypes.Constants.mainStName;
  47
  48 public class ToscaConverterImplTest {
  49
  50   private static final ToscaConverter toscaConverter = new ToscaConverterImpl();
  51   private static final String VIRTUAL_LINK = "virtualLink";
  52   private static final String UNBOUNDED = "UNBOUNDED";
  53   private static final String BASE_DIR = "/mock/toscaConverter";
  54
  55
  56   @Test
  57   public void testConvertMainSt() throws IOException {
  58     String inputFilesPath = BASE_DIR + "/convertMainSt/in";
  59     String outputFilesPath = BASE_DIR + "/convertMainSt/out";
  60
  61     convertAndValidate(inputFilesPath, outputFilesPath);
  62   }
  63
  64   @Test
  65   public void testNodesConversion() throws IOException {
  66     String inputFilesPath = BASE_DIR + "/convertCsar/in";
  67     String outputFilesPath = BASE_DIR + "/convertCsar/out";
  68
  69     convertAndValidate(inputFilesPath, outputFilesPath);
  70   }
  71
  72   @Test
  73   public void testParameterConversion() throws IOException {
  74     String inputFilesPath = BASE_DIR + "/convertParameters/in";
  75     String outputFilesPath = BASE_DIR + "/convertParameters/out";
  76
  77     convertAndValidate(inputFilesPath, outputFilesPath);
  78   }
  79
  80   @Test
  81   public void testConversionWithInt() throws IOException {
  82     String inputFilesPath = BASE_DIR + "/conversionWithInt/in";
  83     String outputFilesPath = BASE_DIR + "/conversionWithInt/out";
  84
  85     convertAndValidate(inputFilesPath, outputFilesPath);
  86   }
  87
  88   @Test
  89   public void testOccurrencesUpperString() {
  90     Object[] occurrences = buildOccurrences("0", UNBOUNDED);
  91     Assert.assertEquals(occurrences[0], 0);
  92     Assert.assertEquals(occurrences[1], UNBOUNDED);
  93   }
  94
  95   @Test
  96   public void testOccurrencesAsInts() {
  97     Object[] occurrences = buildOccurrences("0", "1");
  98     Assert.assertEquals(occurrences[0], 0);
  99     Assert.assertEquals(occurrences[1], 1);
 100   }
 101
 102   @Test
 103   public void testOccurrencesAsStrings() {
 104     String test = "TEST_A";
 105     Object[] occurrences = buildOccurrences(UNBOUNDED, test);
 106     Assert.assertEquals(occurrences[0], UNBOUNDED);
 107     Assert.assertEquals(occurrences[1], test);
 108   }
 109
 110   @Test
 111   public void testOccurrencesLowerString() {
 112     Object[] occurrences = buildOccurrences(UNBOUNDED, "100");
 113     Assert.assertEquals(occurrences[0], UNBOUNDED);
 114     Assert.assertEquals(occurrences[1], 100);
 115   }
 116
 117   @Test
 118   public void testOccurrencesEmpty() {
 119     Object[] occurrences = buildOccurrences();
 120     Assert.assertEquals(occurrences.length, 0);
 121   }
 122
 123   @Test
 124   public void testOccurrencesMany() {
 125     String test = "TEST_B";
 126     Object[] occurrences = buildOccurrences("1", "2", test);
 127     Assert.assertEquals(occurrences[0], 1);
 128     Assert.assertEquals(occurrences[1], 2);
 129     Assert.assertEquals(occurrences[2], test);
 130   }
 131
 132   @Test
 133   public void testDefaultOccurrences() {
 134     Object[] occurrences = buildOccurrences((List<String>) null);
 135     Assert.assertEquals(1, occurrences[0]);
 136     Assert.assertEquals(1, occurrences[1]);
 137   }
 138
 139   private Object[] buildOccurrences(String... bounds) {
 140     return buildOccurrences(Arrays.asList(bounds));
 141   }
 142
 143   private void convertAndValidate(String inputFilesPath, String outputFilesPath)
 144       throws IOException {
 145     FileContentHandler fileContentHandler =
 146         createFileContentHandlerFromInput(inputFilesPath);
 147
 148     ToscaServiceModel toscaServiceModel = toscaConverter.convert(fileContentHandler);
 149     validateConvertorOutput(outputFilesPath, toscaServiceModel);
 150   }
 151
 152   private void validateConvertorOutput(String outputFilesPath, ToscaServiceModel toscaServiceModel)
 153       throws IOException {
 154     ServiceTemplate mainSt = toscaServiceModel.getServiceTemplates().get(mainStName);
 155     Map<String, ServiceTemplate> expectedOutserviceTemplates = new HashMap<>();
 156     loadServiceTemplates(outputFilesPath, new ToscaExtensionYamlUtil(),
 157         expectedOutserviceTemplates);
 158
 159     checkSTResults(expectedOutserviceTemplates, null, mainSt);
 160   }
 161
 162   private Object[] buildOccurrences(List<String> bounds) {
 163     NodeType nodeType = JsonUtil.json2Object("{derived_from=tosca.nodes.Root, description=MME_VFC, " +
 164             "properties={vendor={type=string, default=ERICSSON}, " +
 165             "csarVersion={type=string, default=v1.0}, csarProvider={type=string, default=ERICSSON}, " +
 166             "id={type=string, default=vMME}, version={type=string, default=v1.0}, csarType={type=string, default=NFAR}}, " +
 167             "requirements=[{virtualLink={" +
 168             (bounds == null ? "" : "occurrences=[" + String.join(", ", bounds) +   "], ") +
 169             "capability=tosca.capabilities.network.Linkable}}]}", NodeType.class);
 170     List<Map<String, RequirementDefinition>> requirements = nodeType.getRequirements();
 171     return requirements.get(0).get(VIRTUAL_LINK).getOccurrences();
 172   }
 173
 174   private FileContentHandler createFileContentHandlerFromInput(String inputFilesPath)
 175       throws IOException {
 176     URL inputFilesUrl = this.getClass().getResource(inputFilesPath);
 177     String path = inputFilesUrl.getPath();
 178     File directory = new File(path);
 179     File[] listFiles = directory.listFiles();
 180
 181     FileContentHandler fileContentHandler = new FileContentHandler();
 182     insertFilesIntoFileContentHandler(listFiles, fileContentHandler);
 183     return fileContentHandler;
 184   }
 185
 186   private void insertFilesIntoFileContentHandler(File[] listFiles,
 187                                                  FileContentHandler fileContentHandler)
 188       throws IOException {
 189     byte[] fileContent;
 190     if(CollectionUtils.isEmpty(fileContentHandler.getFileList())) {
 191       fileContentHandler.setFiles(new HashMap<>());
 192     }
 193
 194     for (File file : listFiles) {
 195       if(!file.isDirectory()) {
 196         try (FileInputStream fis = new FileInputStream(file)) {
 197           fileContent = FileUtils.toByteArray(fis);
 198           fileContentHandler.addFile(file.getPath(), fileContent);
 199         }
 200       }else{
 201         File[] currFileList = file.listFiles();
 202         insertFilesIntoFileContentHandler(currFileList, fileContentHandler);
 203       }
 204
 205     }
 206   }
 207
 208   private void checkSTResults(
 209       Map<String, ServiceTemplate> expectedOutserviceTemplates,
 210       ServiceTemplate gloablSubstitutionServiceTemplate, ServiceTemplate mainServiceTemplate) {
 211     YamlUtil yamlUtil = new YamlUtil();
 212     if (Objects.nonNull(gloablSubstitutionServiceTemplate)) {
 213       assertEquals("difference global substitution service template: ",
 214           yamlUtil.objectToYaml(expectedOutserviceTemplates.get(globalStName)),
 215           yamlUtil.objectToYaml(gloablSubstitutionServiceTemplate));
 216     }
 217     if (Objects.nonNull(mainServiceTemplate)) {
 218       assertEquals("difference main service template: ",
 219           yamlUtil.objectToYaml(expectedOutserviceTemplates.get(mainStName)),
 220           yamlUtil.objectToYaml(mainServiceTemplate));
 221     }
 222   }
 223
 224   public static void loadServiceTemplates(String serviceTemplatesPath,
 225                                           ToscaExtensionYamlUtil toscaExtensionYamlUtil,
 226                                           Map<String, ServiceTemplate> serviceTemplates)
 227       throws IOException {
 228     URL urlFile = ToscaConverterImplTest.class.getResource(serviceTemplatesPath);
 229     if (urlFile != null) {
 230       File pathFile = new File(urlFile.getFile());
 231       File[] files = pathFile.listFiles();
 232       if (files != null) {
 233         addServiceTemplateFiles(serviceTemplates, files, toscaExtensionYamlUtil);
 234       } else {
 235         throw new NotDirectoryException(serviceTemplatesPath);
 236       }
 237     } else {
 238       throw new NotDirectoryException(serviceTemplatesPath);
 239     }
 240   }
 241
 242   private static void addServiceTemplateFiles(Map<String, ServiceTemplate> serviceTemplates,
 243                                               File[] files,
 244                                               ToscaExtensionYamlUtil toscaExtensionYamlUtil) throws IOException {
 245
 246     for (File file : files) {
 247
 248       try (InputStream yamlFile = new FileInputStream(file)) {
 249         ServiceTemplate serviceTemplateFromYaml =
 250             toscaExtensionYamlUtil.yamlToObject(yamlFile, ServiceTemplate.class);
 251         createConcreteRequirementObjectsInServiceTemplate(serviceTemplateFromYaml, toscaExtensionYamlUtil);
 252         serviceTemplates.put(file.getName(), serviceTemplateFromYaml);
 253       }
 254     }
 255   }
 256
 257   private static void createConcreteRequirementObjectsInServiceTemplate(ServiceTemplate
 258                                                                             serviceTemplateFromYaml,
 259                                                                         ToscaExtensionYamlUtil
 260                                                                             toscaExtensionYamlUtil) {
 261
 262     if (serviceTemplateFromYaml == null
 263         || serviceTemplateFromYaml.getTopology_template() == null
 264         || serviceTemplateFromYaml.getTopology_template().getNode_templates() == null) {
 265       return;
 266     }
 267
 268     //Creating concrete objects
 269     Map<String, NodeTemplate> nodeTemplates =
 270         serviceTemplateFromYaml.getTopology_template().getNode_templates();
 271     for (Map.Entry<String, NodeTemplate> entry : nodeTemplates.entrySet()) {
 272       NodeTemplate nodeTemplate = entry.getValue();
 273       List<Map<String, RequirementAssignment>> requirements = nodeTemplate.getRequirements();
 274       List<Map<String, RequirementAssignment>> concreteRequirementList = new ArrayList<>();
 275       if (requirements != null) {
 276         ListIterator<Map<String, RequirementAssignment>> reqListIterator = requirements
 277             .listIterator();
 278         while (reqListIterator.hasNext()){
 279           Map<String, RequirementAssignment> requirement = reqListIterator.next();
 280           Map<String, RequirementAssignment> concreteRequirement = new HashMap<>();
 281           for (Map.Entry<String, RequirementAssignment> reqEntry : requirement.entrySet()) {
 282             RequirementAssignment requirementAssignment = (toscaExtensionYamlUtil
 283                 .yamlToObject(toscaExtensionYamlUtil.objectToYaml(reqEntry.getValue()),
 284                     RequirementAssignment.class));
 285             concreteRequirement.put(reqEntry.getKey(), requirementAssignment);
 286             concreteRequirementList.add(concreteRequirement);
 287             reqListIterator.remove();
 288           }
 289         }
 290         requirements.clear();
 291         requirements.addAll(concreteRequirementList);
 292         nodeTemplate.setRequirements(requirements);
 293       }
 294       System.out.println();
 295       //toscaExtensionYamlUtil.yamlToObject(nodeTemplate, NodeTemplate.class);
 296     }
 297   }
 298 }