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

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