reffects
Reffects is a Javascript framework for developing SPAs using an event-driven unidirectional flow architecture with a synchronous event bus with effects and coeffects. (by trovit)
Stryker.NET
Mutation testing for .NET core and .NET framework! (by stryker-mutator)
SurveyJS - Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App
With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
surveyjs.io
featured
reffects | Stryker.NET | |
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1 | 14 | |
30 | 1,715 | |
- | 1.1% | |
3.0 | 9.3 | |
11 days ago | 3 days ago | |
JavaScript | C# | |
MIT License | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
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.
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.
reffects
Posts with mentions or reviews of reffects.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-11-07.
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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:
Stryker.NET
Posts with mentions or reviews of Stryker.NET.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-06-09.
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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/