Do you have any examples of real life applications of mutation testing? Does it work better than simple test coverage tools? Or is it useless? What are the advantages/disadvantages of mutation tes...

When running mvn org.pitest:pitest-maven:mutationCoverage, I get the error as follows ( Environment: Windows 10, Maven 3.6.1, Java 11, junit-jupiter 5.4.1, pitest 1.4.7) [ERROR] Failed to execute ...

I am currently working on a project to implementing mutation-testing for F#. To access the FCS process I am using the FSharp.Compiler.Service package. I am having some trouble with the compilation ...

i have problem with my configuration of maven and pitest. Pitest generation mutation is ok but he can't see my class of test .. if you have any solution :D I have main source like that /src/m...

My context for this question is in Python. Hypothesis Testing Library (i.e. Property Based Testing): https://hypothesis.readthedocs.io/en/latest/ Mutation Testing Library: https://github.com/six...

Mutation testing has been out there for a while now, and it seems there are at least one or two commercial mutation testing frameworks for C/C++. Have you used them? What are your experiences? Are ...

I have a method that returns a custom object public MyObject getTheObject(){ ... return muObject; } its unit test checks that the object returned by getTheObject() method is not null @Test publi...

I have the following: public class UnsetProperty extends Command { @Resource private SetProperty setProperty; public String parse(String[] args) { if (args.length != 4) { throw new RuntimeE...

I have to exclude my integration tests from their execution by PIT. There is an option excludedTestClasses since version 1.3.0. I tried to pass over these tests by the following configration of the...

While writing another unittest in Python and after learning about multiple testing methods, I got curious how many mutants would be killed if I performed mutation testing on my code. The problem i...

folks! I've tried to use the pitest-maven plugin in my Maven / Java project and it is apparently failing to generate an aggregated report (taking into consideration that I have a multi-module proje...

I am starting a new project in c# and I am looking for a tool that helps me do mutation tests. I have previously done mutation testing in java using pitest and liked it very much. Now I am lo...

for a study on genetic programming, I would like to implement an evolutionary system on basis of llvm and apply code-mutations (possibly on IR level). I found llvm-mutate which is quite useful exe...

I am trying to exclude PIT from mutating I/O methods, such "close" and "flush". Here is my Maven configuration: <plugin> <groupId>org.pitest</groupId> <ar...

According to Pitest's documentation, it seems that this should be simple, but it is giving me some trouble. I should be able to have java -cp <your classpath> \ org.pitest.mutationtest.comm...

While trying to run a PIT mutation test I get the following error: mutationCoverage failed: All tests did not pass without mutation when calculating line coverage. Mutation testing requires a gr...

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...

Our project will integrate mutation testing as part of its build cycle. Right now, we are on the evaluation phase. So far, I have only found that Jester has a maven-plugin (Grester). I have...

Is it harder (or impossible) to implement mutation testing in some languages than others? For example, is it possible to implement mutation testing in functional programming languages?

I'm very interested in Mutation Testing, so I've tried some tools like mujava and this tool worked well with Java code. I've also read that applying mutation testing on Android isn't trivial. So, ...

I want to integrate some mutation testing to ensure the quality of my junit tests. I want to have the results in the sonar dashboard of my project. The sonar pitest plugin seems to do what I want,...

One problem encountered with mutation testing is that it's slow, because by default you do a full test run (either a test file, or a suite of test files) for each mutation generated. One way to ma...

In another question I asked if mutation-testing is useful in practice. As I didn't get any answers that satisfy me, I want to check the current tools myself. So I need an overview about curre...

In the process of writing an "Off By One" mutation tester for my favourite mutation testing framework (NinjaTurtles), I wrote the following code to provide an opportunity to check the correctness o...

I used to use Heckle, but it is incompatible with ruby 1.9 because of issues with ParseTree. I've looked for alternatives, but the only thing that looked promising was Chaser, and that did not have...