Examples with CompilationTask javax.tools.JavaCompiler.CompilationTask used on opensource projects

Example 11 with CompilationTask

use of javax.tools.JavaCompiler.CompilationTask in project evosuite by EvoSuite.

the class JUnitAnalyzer method compileTests.

private static List<File> compileTests(List<TestCase> tests, File dir) {
    TestSuiteWriter suite = new TestSuiteWriter();
    suite.insertAllTests(tests);
    // to get name, remove all package before last '.'
    int beginIndex = Properties.TARGET_CLASS.lastIndexOf(".") + 1;
    String name = Properties.TARGET_CLASS.substring(beginIndex);
    // postfix
    name += "_" + (NUM++) + "_tmp_" + Properties.JUNIT_SUFFIX;
    try {
        // now generate the JUnit test case
        List<File> generated = suite.writeTestSuite(name, dir.getAbsolutePath(), Collections.EMPTY_LIST);
        for (File file : generated) {
            if (!file.exists()) {
                logger.error("Supposed to generate " + file + " but it does not exist");
                return null;
            }
        }
        // try to compile the test cases
        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
        if (compiler == null) {
            logger.error("No Java compiler is available");
            return null;
        }
        DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
        Locale locale = Locale.getDefault();
        Charset charset = Charset.forName("UTF-8");
        StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, locale, charset);
        Iterable<? extends JavaFileObject> compilationUnits = fileManager.getJavaFileObjectsFromFiles(generated);
        List<String> optionList = new ArrayList<>();
        String evosuiteCP = ClassPathHandler.getInstance().getEvoSuiteClassPath();
        if (JarPathing.containsAPathingJar(evosuiteCP)) {
            evosuiteCP = JarPathing.expandPathingJars(evosuiteCP);
        }
        String targetProjectCP = ClassPathHandler.getInstance().getTargetProjectClasspath();
        if (JarPathing.containsAPathingJar(targetProjectCP)) {
            targetProjectCP = JarPathing.expandPathingJars(targetProjectCP);
        }
        String classpath = targetProjectCP + File.pathSeparator + evosuiteCP;
        optionList.addAll(Arrays.asList("-classpath", classpath));
        CompilationTask task = compiler.getTask(null, fileManager, diagnostics, optionList, null, compilationUnits);
        boolean compiled = task.call();
        fileManager.close();
        if (!compiled) {
            logger.error("Compilation failed on compilation units: " + compilationUnits);
            logger.error("Classpath: " + classpath);
            // TODO remove
            logger.error("evosuiteCP: " + evosuiteCP);
            for (Diagnostic<?> diagnostic : diagnostics.getDiagnostics()) {
                if (diagnostic.getMessage(null).startsWith("error while writing")) {
                    logger.error("Error is due to file permissions, ignoring...");
                    return generated;
                }
                logger.error("Diagnostic: " + diagnostic.getMessage(null) + ": " + diagnostic.getLineNumber());
            }
            StringBuffer buffer = new StringBuffer();
            for (JavaFileObject sourceFile : compilationUnits) {
                List<String> lines = FileUtils.readLines(new File(sourceFile.toUri().getPath()));
                buffer.append(compilationUnits.iterator().next().toString() + "\n");
                for (int i = 0; i < lines.size(); i++) {
                    buffer.append((i + 1) + ": " + lines.get(i) + "\n");
                }
            }
            logger.error(buffer.toString());
            return null;
        }
        return generated;
    } catch (IOException e) {
        logger.error("" + e, e);
        return null;
    }
}

Example 12 with CompilationTask

use of javax.tools.JavaCompiler.CompilationTask in project ceylon by eclipse.

the class TestJavacTask_Multiple method test.

void test(JavaCompiler comp, StandardJavaFileManager fm, TestKind tk) {
    System.err.println("test " + tk);
    File testSrc = new File(System.getProperty("test.src"));
    String thisClassName = TestJavacTask_Multiple.class.getName();
    Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(new File(testSrc, thisClassName + ".java"));
    List<CompilationTask> tasks = new ArrayList<CompilationTask>();
    for (int i = 1; i <= MAX_TASKS; i++) {
        File tmpDir = new File(tk + "_" + i);
        tmpDir.mkdirs();
        List<String> options = Arrays.asList("-d", tmpDir.getPath());
        CompilationTask t = comp.getTask(null, fm, null, options, null, files);
        ((JavacTask) t).setTaskListener(createTaskListener(tk, i));
        tasks.add(t);
    }
    for (CompilationTask t : tasks) count += tk.test(t);
    System.err.println();
}

Example 13 with CompilationTask

use of javax.tools.JavaCompiler.CompilationTask in project ceylon by eclipse.

the class T6956462 method main.

public static void main(String[] args) throws Exception {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    if (compiler == null) {
        throw new RuntimeException("can't get javax.tools.JavaCompiler!");
    }
    StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null);
    List<File> files = new ArrayList<File>();
    files.add(new File(T6956462.class.getResource("TestClass.java").toURI()));
    final CompilationTask task = compiler.getTask(null, fm, null, null, null, fm.getJavaFileObjectsFromFiles(files));
    JavacTask javacTask = (JavacTask) task;
    for (CompilationUnitTree cu : javacTask.parse()) {
        cu.accept(new MyVisitor(javacTask), null);
    }
}

Example 14 with CompilationTask

use of javax.tools.JavaCompiler.CompilationTask in project ceylon by eclipse.

the class T6550655 method compile.

void compile(DiagnosticChecker dc, JavaSource... sources) {
    try {
        CompilationTask ct = javacTool.getTask(null, null, dc, Arrays.asList("-d", testDir.getAbsolutePath(), "-cp", testDir.getAbsolutePath()), null, Arrays.asList(sources));
        ct.call();
    } catch (Exception e) {
        error("Internal compilation error");
    }
}

Example 15 with CompilationTask

use of javax.tools.JavaCompiler.CompilationTask in project ceylon by eclipse.

the class Test method test.

void test(List<String> options, String expect) throws Exception {
    System.err.println("test: " + options);
    JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    JavaFileObject f = new MyFileObject("myfo://test", "class Bad { Missing x; }");
    List<? extends JavaFileObject> files = Arrays.asList(f);
    CompilationTask task = javac.getTask(pw, null, null, options, null, files);
    boolean ok = task.call();
    pw.close();
    String out = sw.toString();
    if (!out.isEmpty())
        System.err.println(out);
    if (ok)
        throw new Exception("Compilation succeeded unexpectedly");
    if (!out.contains(expect))
        throw new Exception("expected text not found: " + expect);
}