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问题描述

我有一个Java类。如何检查类是否包含JUnit4测试的方法?我是否必须使用反射对所有方法进行迭代,或者JUnit4是否提供这样的检查?

I have a Java class. How can I check if the class contains methods that are JUnit4 tests? Do I have to do an iteration on all methods using reflection, or does JUnit4 supply such a check?

编辑:

由于评论不能包含代码,我根据答案放置了我的代码:

since comments cannot contain code, I placed my code based on the answer here:

private static boolean containsUnitTests(Class<?> clazz)
{
        List<FrameworkMethod> methods= new TestClass(clazz).getAnnotatedMethods(Test.class);
        for (FrameworkMethod eachTestMethod : methods)
        {
            List<Throwable> errors = new ArrayList<Throwable>();
            eachTestMethod.validatePublicVoidNoArg(false, errors);
            if (errors.isEmpty())
            {
                return true;
            }
            else
            {
                throw ExceptionUtils.toUncheked(errors.get(0));
            }
        }
        return false;
}


推荐答案

使用内置JUnit 4 class org.junit.runners.model.FrameworkMethod 来检查方法。

Use built-in JUnit 4 class org.junit.runners.model.FrameworkMethod to check methods.

/**
 * Get all 'Public', 'Void' , non-static and no-argument methods
 * in given Class.
 *
 * @param clazz
 * @return Validate methods list
 */
static List<Method> getValidatePublicVoidNoArgMethods(Class clazz) {

    List<Method> result = new ArrayList<Method>();

    List<FrameworkMethod> methods= new TestClass(clazz).getAnnotatedMethods(Test.class);

    for (FrameworkMethod eachTestMethod : methods){
        List<Throwable> errors = new ArrayList<Throwable>();
        eachTestMethod.validatePublicVoidNoArg(false, errors);
        if (errors.isEmpty()) {
            result.add(eachTestMethod.getMethod());
        }
    }

    return result;
}

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06-30 05:51