ch.powerunit.impl.validator.TestProcessorValidator Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of powerunit Show documentation

This is a test framework for the JDK 1.8.

There is a newer version: 0.5.0

/**
 * Powerunit - A JDK1.8 test framework
 * Copyright (C) 2014 Mathieu Boretti.
 *
 * This file is part of Powerunit
 *
 * Powerunit is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Powerunit is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Powerunit. If not, see .
 */
package ch.powerunit.impl.validator;

import javax.annotation.processing.RoundEnvironment;
import javax.lang.model.element.Element;
import javax.lang.model.element.ElementKind;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.Modifier;
import javax.lang.model.type.TypeKind;

import ch.powerunit.Test;

public interface TestProcessorValidator extends ProcessValidator {
    default void testAnnotationValidation(RoundEnvironment roundEnv) {
        roundEnv.getElementsAnnotatedWith(Test.class).forEach(
                this::testOneAnnotationValidation);
    }

    default void testOneAnnotationValidation(Element element) {
        if (element.getKind() != ElementKind.METHOD) {
            error("@Test must prefix a method -- " + element
                    + " is not a method");
            return;
        }
        ExecutableElement ee = (ExecutableElement) element;
        if (ee.getModifiers().contains(Modifier.STATIC)) {
            warn("Method "
                    + elementAsString(ee)
                    + "\n\tis prefixed with @Test and is static\n\tA test method can't be static");
        }
        if (!ee.getModifiers().contains(Modifier.PUBLIC)) {
            warn("Method "
                    + elementAsString(ee)
                    + "\n\tis prefixed with @Test and is not public \n\tA test method must be public");
        }
        if (!TypeKind.VOID.equals(ee.getReturnType().getKind())) {
            warn("Method "
                    + elementAsString(ee)
                    + "\n\tis prefixed with @Test and is not void\n\tA test method must be void");
        }
        if (!ee.getParameters().isEmpty()) {
            warn("Method"
                    + elementAsString(ee)
                    + "\n\tis prefixed with @Test and is not 0-args\n\tA test method must be 0-args");
        }
    }
}