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