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