Stryker.NET
NUnit
Stryker.NET | NUnit | |
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14 | 26 | |
1,711 | 2,460 | |
0.9% | 0.6% | |
9.3 | 9.1 | |
6 days ago | 7 days ago | |
C# | C# | |
Apache License 2.0 | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stryker.NET
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Stryker.NET alternatives - Testura.Mutation, visualmutator, fettle, and Faultify
5 projects | 9 Jun 2023
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Do you guys mock everything in your Unit Tests?
Bogus - For creating fake data Verify - Snapshot testing for .NET MELT - For testing ILogger usage Stryker - Mutation Testing for .NET TestContainers - run docker programmatically in integration tests
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Scope of unit testing (karma/Jas) Boss wants unreasonable testing?
This is called mutation testing btw.
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Don't target 100% coverage
Let's try it on our small example using Stryker.
- PhD'ers, what are you working on? What CS topics excite you?
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Killing mutants to improve your tests
There are tools that do this automatically, stryker[2] is one of them. When you run stryker, it will create many mutant versions of your production code, and run your tests for each mutant (that's how mutations are called in stryker's' documentation) version of the code. If your tests fail then the mutant is killed. If your tests passed, the mutant survived. Let's have a look at the the result of runnning stryker against reffects-store's code:
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Not sure if popular opinion: Greenfield projects should have 100% test coverage.
Mutation testing is pretty solid. Better than code coverage for sure. Using Stryker personally.
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Seriously what are they and why does everyone hate them?
A mutation testing tool (like Stryker) runs your unit tests to verify they all pass then makes a small change (mutation) to your code and reruns the tests. At least one test should fail because the modified code should behave differently.
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Relesed v1.0.0 of my pet javasscript project yesterday after hitting 100% coverage- a gesture detection library
I haven't tried it yet, but last time I researched it, this is the library that looked most promising: https://stryker-mutator.io/
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Mutation Testing in NodeJS
Website: https://stryker-mutator.io/
NUnit
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CI/CD Pipeline Using GitHub Actions: Automate Software Delivery
.NET / xUnit / NUnit / MSTest
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Fluent Assertions: Fluently Assert the Result of .NET Tests
This library extends the traditional assertions provided by frameworks like MSTest, NUnit, or XUnit by offering a more extensive set of extension methods. Fluent Assertions supports a wide range of types like collections, strings, and objects and even allows for more advanced assertions like throwing exceptions.
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TDD vs BDD - A Detailed Guide
Next, you need to install a testing framework that will be used for performing unit testing in your project. Several testing frameworks are available depending on the programming language used to create an application. For example, JUnit is commonly used for Java apps, pytest for Python apps, NUnit for .NET apps, Jest for JavaScript apps, and so on. We’ll use the Jest framework for this tutorial since we are using JavaScript.
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Setting up a simple testing project with C#
At this point you're going to see a familiar screen asking you to select a project. Here we're looking for a test project. By default, Visual Studio gives you access to 3 different testing frameworks based on your choice of project. These are MSTest, XUnit and NUnit. Ultimately, all 3 of these testing accomplish the same thing, and I've worked with all of them at various points in my career. The difference is mainly in exact syntax and documentation. Although, it's generally considered that MSTest is a little "older" than NUnit or XUnit, so I tend to see it less now. For the purposes of this demo, I'm going to go with NUnit:
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Test-Driven Development
Use a testing framework: Utilize a testing framework like NUnit, xUnit, or MSTest to create, organize, and run your tests. These frameworks provide a consistent way to write tests, generate test reports, and integrate with continuous integration tools.
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Debugging extension for test library
So I wrote extension attribute for Nunit, the opposite of how the retry attribute works.
- 2023 Development Tool Map
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Unlock the Power of Unit Testing: A Beginner’s Guide to Quality Software Development
This is a basic example of how to create an NUnit unit test for a simple API in a controller with C#. You can find more information and resources on the NUnit website and in the NUnit documentation.
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Commemorating Charlie Poole's Contributions to the NUnit Project
Has #NUnit helped you, your career, or your organization? We'd love for you to tell that story here, to celebrate Charlie: https://github.com/nunit/nunit/discussions/4283
After over TWENTY years leading the NUnit project, Charlie is stepping back.
Has NUnit helped you, your career, or your organization? We'd love to hear about it at https://github.com/nunit/nunit/discussions/4283.
> To attempt to quantify Charlie’s contributions to NUnit is a daunting task. He was the lead of NUnit across at least 207 releases in 37 different repositories, authoring 4,898 commits across them. He participated in 2,990 issues, 1,305 PRs, and impacted 6,992,983 lines of code. And those are only the ones we can easily find; our numbers are sourced from after NUnit moved the project to GitHub in 2011, which means there are at least 9 additional years of work not quantified above.
I think of Charlie as one of the ".NET OSS OGs". I'd love to see him celebrated.
What are some alternatives?
xUnit - xUnit.net is a free, open source, community-focused unit testing tool for .NET.
Fluent Assertions - A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Targets .NET Framework 4.7, as well as .NET Core 2.1, .NET Core 3.0, .NET 6, .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.
sharpfuzz - AFL-based fuzz testing for .NET
NSubstitute - A friendly substitute for .NET mocking libraries.
Moq - Repo for managing Moq 4.x [Moved to: https://github.com/moq/moq]
MSTest - MSTest framework and adapter
Bogus - :card_index: A simple fake data generator for C#, F#, and VB.NET. Based on and ported from the famed faker.js.
Shouldly - Should testing for .NET—the way assertions should be!
should - Should Assertion Library
coverlet - Cross platform code coverage for .NET [Moved to: https://github.com/coverlet-coverage/coverlet]