Minor code refactoring in YangParserImpl.
[yangtools.git] / code-generator / binding-java-api-generator / src / test / java / org / opendaylight / yangtools / 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.yangtools.sal.java.api.generator.test;
9
10 import static org.junit.Assert.assertTrue;
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.yangtools.binding.generator.util.BindingTypes;
29 import org.opendaylight.yangtools.binding.generator.util.Types;
30 import org.opendaylight.yangtools.binding.generator.util.generated.type.builder.GeneratedTypeBuilderImpl;
31 import org.opendaylight.yangtools.sal.binding.generator.api.BindingGenerator;
32 import org.opendaylight.yangtools.sal.binding.generator.impl.BindingGeneratorImpl;
33 import org.opendaylight.yangtools.sal.binding.model.api.GeneratedType;
34 import org.opendaylight.yangtools.sal.binding.model.api.Type;
35 import org.opendaylight.yangtools.sal.binding.model.api.type.builder.GeneratedTypeBuilder;
36 import org.opendaylight.yangtools.sal.java.api.generator.GeneratorJavaFile;
37 import org.opendaylight.yangtools.yang.model.api.Module;
38 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
39 import org.opendaylight.yangtools.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("org.opendaylight.controller.gen", "Type1");
75         GeneratedType t2 = createGeneratedType("org.opendaylight.controller.gen", "Type2");
76         GeneratedType t3 = createGeneratedType("org.opendaylight.controller.gen", "Type3");
77         types.add(t1);
78         types.add(t2);
79         types.add(t3);
80         GeneratedTypeBuilder gtb = new GeneratedTypeBuilderImpl("org.opendaylight.controller.gen", "Type4");
81         gtb.addImplementsType(Types.augmentableTypeFor(gtb));
82         types.add(gtb.toInstance());
83         GeneratorJavaFile generator = new GeneratorJavaFile(types);
84         generator.generateToFile(new File(PATH));
85
86         String[] files = new File(PATH + FS + "org" + FS + "opendaylight" + FS + "controller" + FS + "gen").list();
87         List<String> filesList = Arrays.asList(files);
88
89         // assertEquals(5, files.length);
90         assertTrue(filesList.contains("Type1.java"));
91         assertTrue(filesList.contains("Type2.java"));
92         assertTrue(filesList.contains("Type3.java"));
93         assertTrue(filesList.contains("Type4.java"));
94         assertTrue(filesList.contains("Type4Builder.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.resolveSchemaContext(modulesToBuild);
114         final List<Type> types = bindingGenerator.generateTypes(context);
115         final GeneratorJavaFile generator = new GeneratorJavaFile(new HashSet<>(types));
116         generator.generateToFile(new File(GENERATOR_OUTPUT_PATH));
117
118         JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
119         StandardJavaFileManager fileManager = compiler.getStandardFileManager(null, null, null);
120
121         List<File> filesList = getJavaFiles(new File(GENERATOR_OUTPUT_PATH));
122         File current = new File(System.getProperty("user.dir"));
123         File parentPath = current.getParentFile().getParentFile();
124         File f = new File(parentPath,
125                 "yang/yang-binding/src/main/java/org/opendaylight/yangtools/yang/binding/DataObject.java");
126         filesList.add(f);
127
128         Iterable<? extends JavaFileObject> compilationUnits = fileManager.getJavaFileObjectsFromFiles(filesList);
129         Iterable<String> options = Arrays.asList(new String[] { "-d", COMPILER_OUTPUT_PATH });
130         boolean compiled = compiler.getTask(null, null, null, options, null, compilationUnits).call();
131         assertTrue(compiled);
132     }
133
134     private GeneratedType createGeneratedType(String pkgName, String name) {
135         GeneratedTypeBuilder builder = new GeneratedTypeBuilderImpl(pkgName, name);
136         builder.addImplementsType(BindingTypes.DATA_OBJECT);
137         return builder.toInstance();
138     }
139
140     private void deleteTestDir(File file) {
141         if (file.isDirectory()) {
142             for (File f : file.listFiles()) {
143                 deleteTestDir(f);
144             }
145         }
146         if (!file.delete()) {
147             throw new RuntimeException("Failed to clean up after test");
148         }
149     }
150
151     /**
152      * Search recursively given directory for *.java files.
153      *
154      * @param directory
155      *            directory to search
156      * @return List of java files found
157      */
158     private List<File> getJavaFiles(File directory) {
159         List<File> result = new ArrayList<File>();
160         for (File file : directory.listFiles()) {
161             if (file.isDirectory()) {
162                 result.addAll(getJavaFiles(file));
163             } else {
164                 String absPath = file.getAbsolutePath();
165                 if (absPath.endsWith(".java")) {
166                     result.add(file);
167                 }
168             }
169         }
170         return result;
171     }
172 }