如何对我的 Java 程序执行突变测试？
任何人都可以提供可用于在源代码（而非字节代码）级别在 Java 程序中进行突变的工具建议吗？我需要在我的源代码中添加错误。我更喜欢带有 GUI 的应用程序（如果有的话）。
Can anyone provide suggestions of tools that can be used to make mutations within a Java program at a source-code (not byte-code) level? I need to seed my source code with faults. I would prefer an application with a GUI, if one exists.
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如果您的要求确实是源代码突变，那么我知道的选项是
Jester - 提供有限数量的非常不稳定的突变运算符。 Jeff Offutt 将其描述为应用分支测试的一种非常昂贵的方法。不过，我相信可以定义自己的运算符，因此这可能不完全公平。
Mu Java - 不支持 Java 5
Judy - 除了它存在之外对此不太了解
Lava - 听起来很基本，我认为它不支持 java 5
从下面的答案中我看到你现在使用 PIT。我认为这确实是一个很好的选择（我写的所以可能有一定的偏见），但它是一个字节码突变系统。
If your requirement really is for source code mutation then the options I'm aware of are
Jester - Provides a limited number of mutation operators that are quite unstable. Jeff Offutt described it as a very expensive way to apply branch testing. I believe it is possible to define your own operators however, so this probably isn't entirely fair.
Mu Java - Doesn't support Java 5
Judy - Don't know much about this other than that it exists
Lava - Sounds pretty basic and I don't think it supports java 5
From the answer further down I see your now using PIT. I think that's a truly great choice (I wrote it so may have a certain bias), but it's a byte code mutation system.
我发现了 https://pitest.org，我非常喜欢。对于 MuJava，我遇到了由 @Override 注释引起的异常。似乎不支持 Java 5/6。
I've found https://pitest.org, which I quite like. With MuJava I have exceptions caused by @Override annotations. Seems that it doesnt' support Java 5/6.
当我在 GMU 参加软件工程测试课程时，我们使用 Mu Java，其中一章。华泰
When I took a software engineering class on testing at GMU, we used Mu Java, for one of the chapters. HTH
这是开源测试覆盖工具 Jester 使用的技术。如果您无法找到合适的工具并想自己构建一个，那么查看它的源代码可能会有所帮助。
This is the technique used by the open source test coverage tool Jester. A look at it's source might be helpful if you are unable to find a suitable tool and want to build one yourself.
“这在现实世界中几乎没有应用”。强烈不同意，我与英国一家非常大的媒体公司和 PIT (http://pitest.org/ ）对于突变测试非常有用。如果没有 85% 覆盖率的 PIT 突变测试，大多数 CI 构建都会失败。
回复：“替换一些随机字符......”突变不一定是这个意思。 PIT 突变仅限于可编译的更改。
"This has little application in the real world". Disagree strongly, I contract at a very big media company in the UK and PIT (http://pitest.org/) is extremely useful for mutation testing. Most of the CI builds are set fail without 85% coverage PIT mutation testing.
Re: "replacing some random characters..." Mutation does not have to mean that. The PIT mutations are restricted to compilable changes.
这是一个基准：
MμClipse 仅支持 JUnit 3 并且不再维护。
而Jester则比较费力并且需要复杂的配置； plus 不再维护。
我能找到的最好的工具是 Javalanche
我写了整篇关于此的文章！< /a>
Here it is a benchmark :
MμClipse only supports JUnit 3 and is no longer maintained.
Jester as for it, is laborious and requires a complicated configuration; plus is not maintained anymore.
The best tool I could find is Javalanche
I had wrote a entire article about this !
Major 变异框架（Major 网站）为 JUnit 测试提供了编译器集成的变异器和变异分析器。
Major 的变异器集成在 Java 7 编译器中。它提供了多个突变运算符，并支持两种用于突变源代码的选项：
The Major mutation framework (Major's website) provides a compiler-integrated mutator and a mutation analyzer for JUnit tests.
Major's mutator is integrated in the Java 7 compiler. It provides several mutation operators and supports two options for mutating source code: