Examples with Launcher spoon.Launcher used on opensource projects

Example 86 with Launcher

use of spoon.Launcher in project spoon by INRIA.

the class TemplateTest method testExtensionDecoupledSubstitutionVisitor.

@Test
public void testExtensionDecoupledSubstitutionVisitor() throws Exception {
    // contract: substitution can be done on model, which is not based on Template
    final Launcher launcher = new Launcher();
    launcher.setArgs(new String[] { "--output-type", "nooutput" });
    launcher.addInputResource("./src/test/java/spoon/test/template/testclasses/logger/Logger.java");
    launcher.addTemplateResource(new FileSystemFile("./src/test/java/spoon/test/template/testclasses/LoggerModel.java"));
    launcher.buildModel();
    Factory factory = launcher.getFactory();
    final CtClass<?> aTemplateModelType = launcher.getFactory().Class().get(LoggerModel.class);
    final CtMethod<?> aTemplateModel = aTemplateModelType.getMethod("block");
    final CtClass<?> aTargetType = launcher.getFactory().Class().get(Logger.class);
    final CtMethod<?> toBeLoggedMethod = aTargetType.getMethodsByName("enter").get(0);
    Map<String, Object> params = new HashMap<>();
    params.put("_classname_", factory.Code().createLiteral(aTargetType.getSimpleName()));
    params.put("_methodName_", factory.Code().createLiteral(toBeLoggedMethod.getSimpleName()));
    params.put("_block_", toBeLoggedMethod.getBody());
    final List<CtMethod<?>> aMethods = new SubstitutionVisitor(factory, params).substitute(aTemplateModel.clone());
    assertEquals(1, aMethods.size());
    final CtMethod<?> aMethod = aMethods.get(0);
    assertTrue(aMethod.getBody().getStatement(0) instanceof CtTry);
    final CtTry aTry = (CtTry) aMethod.getBody().getStatement(0);
    assertTrue(aTry.getFinalizer().getStatement(0) instanceof CtInvocation);
    assertEquals("spoon.test.template.testclasses.logger.Logger.exit(\"enter\")", aTry.getFinalizer().getStatement(0).toString());
    assertTrue(aTry.getBody().getStatement(0) instanceof CtInvocation);
    assertEquals("spoon.test.template.testclasses.logger.Logger.enter(\"Logger\", \"enter\")", aTry.getBody().getStatement(0).toString());
    assertTrue(aTry.getBody().getStatements().size() > 1);
}

Example 87 with Launcher

use of spoon.Launcher in project spoon by INRIA.

the class TemplateTest method testTemplateArrayAccess.

@Test
public void testTemplateArrayAccess() throws Exception {
    // contract: the template engine supports substitution of arrays of parameters.
    Launcher spoon = new Launcher();
    spoon.addTemplateResource(new FileSystemFile("./src/test/java/spoon/test/template/testclasses/ArrayAccessTemplate.java"));
    spoon.buildModel();
    Factory factory = spoon.getFactory();
    CtClass<?> resultKlass = factory.Class().create("Result");
    CtClass<?> templateClass = factory.Class().get(ArrayAccessTemplate.class);
    // create array of template parameters, which contains CtBlocks
    TemplateParameter[] params = templateClass.getMethod("sampleBlocks").getBody().getStatements().toArray(new TemplateParameter[0]);
    new ArrayAccessTemplate(params).apply(resultKlass);
    CtMethod<?> m = resultKlass.getMethod("method");
    // check that both TemplateParameter usages were replaced by appropriate parameter value and that substitution which miss the value is silently removed
    assertEquals(2, m.getBody().getStatements().size());
    assertTrue(m.getBody().getStatements().get(0) instanceof CtBlock);
    assertEquals("int i = 0", ((CtBlock) m.getBody().getStatements().get(0)).getStatement(0).toString());
    assertTrue(m.getBody().getStatements().get(1) instanceof CtBlock);
    assertEquals("java.lang.String s = \"Spoon is cool!\"", ((CtBlock) m.getBody().getStatements().get(1)).getStatement(0).toString());
    // check that both @Parameter usage was replaced by appropriate parameter value
    CtMethod<?> m2 = resultKlass.getMethod("method2");
    assertEquals("java.lang.System.out.println(\"second\")", m2.getBody().getStatement(0).toString());
    // check that substitution by missing value correctly produces empty expression
    assertEquals("java.lang.System.out.println(null)", m2.getBody().getStatement(1).toString());
}

Example 88 with Launcher

use of spoon.Launcher in project spoon by INRIA.

the class TemplateTest method testSubstitutionInsertAllNtoN.

@Test
public void testSubstitutionInsertAllNtoN() {
    Launcher spoon = new Launcher();
    spoon.addTemplateResource(new FileSystemFile("./src/test/java/spoon/test/template/testclasses/NtonCodeTemplate.java"));
    spoon.addInputResource("./src/test/java/spoon/test/template/testclasses/C.java");
    spoon.buildModel();
    Factory factory = spoon.getFactory();
    CtClass<?> cclass = factory.Class().get("spoon.test.template.testclasses.C");
    new NtonCodeTemplate(cclass.getReference(), 5).apply(cclass);
    Set<CtMethod<?>> listMethods = cclass.getMethods();
    assertEquals(0, cclass.getMethodsByName("apply").size());
    assertEquals(4, listMethods.size());
}

Example 89 with Launcher

use of spoon.Launcher in project spoon by INRIA.

the class TemplateTest method testTemplateInvocationSubstitution.

@Test
public void testTemplateInvocationSubstitution() throws Exception {
    // contract: the template engine supports substitution of method names in method calls.
    Launcher spoon = new Launcher();
    spoon.addTemplateResource(new FileSystemFile("./src/test/java/spoon/test/template/testclasses/InvocationTemplate.java"));
    spoon.buildModel();
    Factory factory = spoon.getFactory();
    CtClass<?> resultKlass = factory.Class().create("Result");
    new InvocationTemplate(factory.Type().OBJECT, "hashCode").apply(resultKlass);
    CtMethod<?> templateMethod = (CtMethod<?>) resultKlass.getElements(new NamedElementFilter<>(CtMethod.class, "invoke")).get(0);
    CtStatement templateRoot = (CtStatement) templateMethod.getBody().getStatement(0);
    // iface.$method$() becomes iface.hashCode()
    assertEquals("iface.hashCode()", templateRoot.toString());
}

Example 90 with Launcher

use of spoon.Launcher in project spoon by INRIA.

the class TemplateTest method testAnotherFieldAccessNameSubstitution.

@Test
public void testAnotherFieldAccessNameSubstitution() throws Exception {
    // contract: the substitution of name of whole field is possible
    Launcher spoon = new Launcher();
    spoon.addTemplateResource(new FileSystemFile("./src/test/java/spoon/test/template/testclasses/AnotherFieldAccessTemplate.java"));
    spoon.buildModel();
    Factory factory = spoon.getFactory();
    {
        // contract: String value is substituted in String literal
        final CtClass<?> result = (CtClass<?>) new AnotherFieldAccessTemplate().apply(factory.Class().create("x.X"));
        assertEquals("int x;", result.getField("x").toString());
        assertEquals("int m_x;", result.getField("m_x").toString());
        assertEquals("java.lang.System.out.println(((x) + (m_x)))", result.getAnonymousExecutables().get(0).getBody().getStatement(0).toString());
    }
}