Examples of org.apache.tapestry5.services.TransformMethodSignature

org.apache.tapestry5.services.TransformMethodSignature
A representation of a method signature, which consists of its name, modifiers (primarily, visibility), return type, parameter types, and declared exception types.
Types are stored as class names (or primitive names) because the signature is used with {@link ClassTransformation}(which operates on as-yet unloaded classes).


    @Test
    public void extend_existing_method_fields_are_transformed() throws Exception
    {
        Logger logger = mockLogger();
        TransformMethodSignature sig = new TransformMethodSignature(Modifier.PUBLIC, "int", "getTargetValue", null,
                                                                    null);
        Runnable runnable = mockRunnable();


        runnable.run();


        replay();


        InternalClassTransformation ct = createClassTransformation(MethodPrefixTarget.class, logger);


        String name = ct.addInjectedField(Runnable.class, "runnable", runnable);


        // Transform the field.


        TransformMethodSignature reader = new TransformMethodSignature(Modifier.PRIVATE, "int", "read_target_value",
                                                                       null, null);


        ct.addMethod(reader, "return 66;");


        ct.replaceReadAccess("_targetField", "read_target_value");

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    @Test
    public void invalid_code() throws Exception
    {
        Logger logger = mockLogger();
        TransformMethodSignature sig = new TransformMethodSignature(Modifier.PUBLIC, "int", "getParentField", null,
                                                                    null);


        replay();


        InternalClassTransformation ct = createClassTransformation(ParentClass.class, logger);

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        List<TransformMethodSignature> sigs = ct.findMethodsWithAnnotation(OnEvent.class);


        assertEquals(sigs.size(), 1);


        TransformMethodSignature sig = sigs.get(0);


        assertEquals(ct.getMethodIdentifier(sig),
                     "org.apache.tapestry5.internal.transform.pages.MethodIdentifier.makeWaves(java.lang.String, int[]) (at MethodIdentifier.java:24)");


        verify();

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        replay();


        ClassTransformation ct = createClassTransformation(SimpleBean.class, logger);


        TransformMethodSignature sig = new TransformMethodSignature("methodDoesNotExist");


        try
        {
            ct.isMethodOverride(sig);
            unreachable();

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        ClassTransformation childTransform = parentTransform.createChildTransformation(childClass,
                                                                                       stubMutableComponentModel(
                                                                                               logger));


        assertFalse(childTransform.isMethodOverride(new TransformMethodSignature("notOverridden")));


        assertTrue(childTransform.isMethodOverride(
                new TransformMethodSignature(Modifier.PUBLIC, "void", "setAge", new String[] { "int" }, null)));
    }

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public class CachedWorkerTest extends TapestryTestCase
{
    public void must_have_return_type() throws Exception
    {
        ClassTransformation ct = mockClassTransformation();
        TransformMethodSignature sig = new TransformMethodSignature(Modifier.PUBLIC, "void", "getFoo", new String[0],
                                                                    new String[0]);


        expect(ct.findMethodsWithAnnotation(Cached.class)).andReturn(Arrays.asList(sig));


        replay();

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    }


    public void must_not_have_parameters() throws Exception
    {
        ClassTransformation ct = mockClassTransformation();
        TransformMethodSignature sig = new TransformMethodSignature(Modifier.PUBLIC, "java.lang.Object", "getFoo",
                                                                    new String[] { "boolean" }, new String[0]);


        expect(ct.findMethodsWithAnnotation(Cached.class)).andReturn(Arrays.asList(sig));


        replay();

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    public void no_methods_with_annotation()
    {
        ClassTransformation tf = mockClassTransformation();
        MutableComponentModel model = mockMutableComponentModel();


        TransformMethodSignature sig = new TransformMethodSignature("someRandomMethod");


        train_findMethods(tf, sig);


        train_getMethodAnnotation(tf, sig, SetupRender.class, null);

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    {
        ClassTransformation transformation = mockClassTransformation();


        replay();


        TransformMethodSignature sig = new TransformMethodSignature(Modifier.PUBLIC, "void", "myMethod",
                                                                    new String[] { MARKUP_WRITER_CLASS_NAME }, null);


        MethodInvocationBuilder invoker = new MethodInvocationBuilder();


        invoker.addParameter(MARKUP_WRITER_CLASS_NAME, "$1");

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    {
        ClassTransformation transformation = mockClassTransformation();


        replay();


        TransformMethodSignature sig = new TransformMethodSignature(Modifier.PUBLIC, "void", "myMethod",
                                                                    new String[] { MARKUP_WRITER_CLASS_NAME }, null);


        MethodInvocationBuilder invoker = new MethodInvocationBuilder();


        assertEquals(invoker.buildMethodInvocation(sig, transformation), "myMethod(null)");

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