opendaylight/sal/yang-prototype/code-generator/binding-java-api-generator/src/test/java/org/opendaylight/controller/sal/java/api/generator/test/GeneratorJavaFileTest.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.sal.java.api.generator.test;
   9
  10 import static org.junit.Assert.*;
  11
  12 import java.io.File;
  13 import java.io.IOException;
  14 import java.util.ArrayList;
  15 import java.util.Arrays;
  16 import java.util.HashSet;
  17 import java.util.List;
  18 import java.util.Set;
  19
  20 import javax.tools.JavaCompiler;
  21 import javax.tools.JavaFileObject;
  22 import javax.tools.StandardJavaFileManager;
  23 import javax.tools.ToolProvider;
  24
  25 import org.junit.After;
  26 import org.junit.Before;
  27 import org.junit.Test;
  28 import org.opendaylight.controller.binding.generator.util.generated.type.builder.GeneratedTypeBuilderImpl;
  29 import org.opendaylight.controller.sal.binding.generator.api.BindingGenerator;
  30 import org.opendaylight.controller.sal.binding.generator.impl.BindingGeneratorImpl;
  31 import org.opendaylight.controller.sal.binding.model.api.GeneratedTransferObject;
  32 import org.opendaylight.controller.sal.binding.model.api.GeneratedType;
  33 import org.opendaylight.controller.sal.binding.model.api.Type;
  34 import org.opendaylight.controller.sal.binding.model.api.type.builder.GeneratedTypeBuilder;
  35 import org.opendaylight.controller.sal.java.api.generator.GeneratorJavaFile;
  36 import org.opendaylight.controller.sal.java.api.generator.InterfaceGenerator;
  37 import org.opendaylight.controller.yang.model.api.Module;
  38 import org.opendaylight.controller.yang.model.api.SchemaContext;
  39 import org.opendaylight.controller.yang.parser.impl.YangParserImpl;
  40
  41 public class GeneratorJavaFileTest {
  42     private static final String FS = File.separator;
  43     private static final String PATH = "target/test/test-dir";
  44     private final File testDir = new File(PATH);
  45
  46     private static final String GENERATOR_OUTPUT_PATH = "target/test/src";
  47     private static final File GENERATOR_OUTPUT = new File(GENERATOR_OUTPUT_PATH);
  48     private static final String COMPILER_OUTPUT_PATH = "target/test/bin";
  49     private static final File COMPILER_OUTPUT = new File(COMPILER_OUTPUT_PATH);
  50
  51     @Before
  52     public void init() {
  53         assertTrue(testDir.mkdirs());
  54         assertTrue(COMPILER_OUTPUT.mkdirs());
  55         assertTrue(GENERATOR_OUTPUT.mkdirs());
  56     }
  57
  58     @After
  59     public void cleanUp() {
  60         if(testDir.exists()) {
  61             deleteTestDir(testDir);
  62         }
  63         if(COMPILER_OUTPUT.exists()) {
  64             deleteTestDir(COMPILER_OUTPUT);
  65         }
  66         if(GENERATOR_OUTPUT.exists()) {
  67             deleteTestDir(GENERATOR_OUTPUT);
  68         }
  69     }
  70
  71     @Test
  72     public void test() throws IOException {
  73         final Set<GeneratedType> types = new HashSet<GeneratedType>();
  74         GeneratedType t1 = createGeneratedType(
  75                 "org.opendaylight.controller.gen", "Type1");
  76         GeneratedType t2 = createGeneratedType(
  77                 "org.opendaylight.controller.gen", "Type2");
  78         GeneratedType t3 = createGeneratedType(
  79                 "org.opendaylight.controller.gen", "Type3");
  80         types.add(t1);
  81         types.add(t2);
  82         types.add(t3);
  83         GeneratorJavaFile generator = new GeneratorJavaFile(
  84                 new InterfaceGenerator(), types);
  85         generator.generateToFile(new File(PATH));
  86
  87         String[] files = new File(PATH + FS + "org" + FS + "opendaylight" + FS
  88                 + "controller" + FS + "gen").list();
  89         List<String> filesList = Arrays.asList(files);
  90
  91         assertEquals(3, files.length);
  92         assertTrue(filesList.contains("Type1.java"));
  93         assertTrue(filesList.contains("Type2.java"));
  94         assertTrue(filesList.contains("Type3.java"));
  95     }
  96
  97     @Test
  98     public void compilationTest() throws Exception {
  99         final YangParserImpl parser = new YangParserImpl();
 100         final BindingGenerator bindingGenerator = new BindingGeneratorImpl();
 101
 102         final String resPath = getClass().getResource("/yang").getPath();
 103         final File sourcesDir = new File(resPath);
 104         final List<File> sourceFiles = new ArrayList<File>();
 105         final File[] fileArray = sourcesDir.listFiles();
 106
 107         for (int i = 0; i < fileArray.length; ++i) {
 108             sourceFiles.add(fileArray[i]);
 109         }
 110
 111         final Set<Module> modulesToBuild = parser.parseYangModels(sourceFiles);
 112
 113         final SchemaContext context = parser
 114                 .resolveSchemaContext(modulesToBuild);
 115         final List<Type> types = bindingGenerator.generateTypes(context);
 116         final Set<GeneratedType> typesToGenerate = new HashSet<GeneratedType>();
 117         final Set<GeneratedTransferObject> tosToGenerate = new HashSet<GeneratedTransferObject>();
 118         for (Type type : types) {
 119             if (type instanceof GeneratedType
 120                     && !(type instanceof GeneratedTransferObject)) {
 121                 typesToGenerate.add((GeneratedType) type);
 122             }
 123
 124             if (type instanceof GeneratedTransferObject) {
 125                 tosToGenerate.add((GeneratedTransferObject) type);
 126             }
 127         }
 128
 129         final GeneratorJavaFile generator = new GeneratorJavaFile(
 130                 typesToGenerate, tosToGenerate);
 131         generator.generateToFile(new File(GENERATOR_OUTPUT_PATH));
 132
 133         JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
 134         StandardJavaFileManager fileManager = compiler.getStandardFileManager(
 135                 null, null, null);
 136
 137         List<File> filesList = getJavaFiles(new File(GENERATOR_OUTPUT_PATH));
 138         File current = new File(System.getProperty("user.dir"));
 139         File parentPath = current.getParentFile().getParentFile();
 140         File f = new File(parentPath,"yang/yang-binding/src/main/java/org/opendaylight/controller/yang/binding/DataObject.java"
 141         );
 142         filesList.add(f);
 143
 144         Iterable<? extends JavaFileObject> compilationUnits = fileManager
 145                 .getJavaFileObjectsFromFiles(filesList);
 146         Iterable<String> options = Arrays.asList(new String[]{"-d", COMPILER_OUTPUT_PATH});
 147         boolean compiled = compiler.getTask(null, null, null, options, null,
 148                 compilationUnits).call();
 149         assertTrue(compiled);
 150     }
 151
 152     private GeneratedType createGeneratedType(String pkgName, String name) {
 153         GeneratedTypeBuilder builder = new GeneratedTypeBuilderImpl(pkgName,
 154                 name);
 155         return builder.toInstance();
 156     }
 157
 158     private void deleteTestDir(File file) {
 159         if (file.isDirectory()) {
 160             for (File f : file.listFiles()) {
 161                 deleteTestDir(f);
 162             }
 163         }
 164         if (!file.delete()) {
 165             throw new RuntimeException("Failed to clean up after test");
 166         }
 167     }
 168
 169     /**
 170      * Search recursively given directory for *.java files.
 171      *
 172      * @param directory directory to search
 173      * @return List of java files found
 174      */
 175     private List<File> getJavaFiles(File directory) {
 176         List<File> result = new ArrayList<File>();
 177         for (File file : directory.listFiles()) {
 178             if (file.isDirectory()) {
 179                 result.addAll(getJavaFiles(file));
 180             } else {
 181                 String absPath = file.getAbsolutePath();
 182                 if (absPath.endsWith(".java")) {
 183                     result.add(file);
 184                 }
 185             }
 186         }
 187         return result;
 188     }
 189 }