Diffract VS Expecto

Compare Diffract vs Expecto and see what are their differences.

Diffract

A .NET library to perform structural diff between two objects (by d-edge)

Expecto

A smooth testing lib for F#. APIs made for humans! Strong testing methodologies for everyone! (by haf)
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Diffract Expecto
1 2
47 654
- -
3.8 6.6
13 days ago 7 days ago
F# F#
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.

Diffract

Posts with mentions or reviews of Diffract. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-11-01.
  • What are you working on? (2021-11)
    5 projects | /r/fsharp | 1 Nov 2021
    During the hacktoberfest, we open source Diffract. It is a .NET library that displays a readable diff between two objects. It is particularly useful for unit testing complex objects. The library is written in F# but works with both F# and C#. Here is an example from the readme with union where the case is different:

Expecto

Posts with mentions or reviews of Expecto. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-10-15.
  • Resources to learn the F# ecosystem
    3 projects | /r/fsharp | 15 Oct 2022
    Unit testing: I personally use FsUnit, specifically FsUnit.Xunit. There's some other libraries like Expecto and Hedgehog (property testing), but I haven't found a reason to use them. I recently started experimenting a little with Hedgehog. FsUnit integrates well into Visual Studio, since it sits nicely on top of NUnit and xUnit, and it's done everything I've needed so far.
  • Das.Test - an opinionated unit testing library written in F# for F#
    3 projects | /r/fsharp | 6 Feb 2022
    Beside, did you try Expecto? https://github.com/haf/expecto

What are some alternatives?

When comparing Diffract and Expecto you can also consider the following projects:

NBomber - Modern and flexible load testing framework for Pull and Push scenarios, designed to test any system regardless a protocol (HTTP/WebSockets/AMQP etc) or a semantic model (Pull/Push).

xUnit - xUnit.net is a free, open source, community-focused unit testing tool for .NET.

Skid - Simple, single-file portable CLI utility for configuration templating

FsCheck - Random Testing for .NET

Giraffe - A native functional ASP.NET Core web framework for F# developers.

NFluent - Smooth your .NET TDD experience with NFluent! NFluent is an ergonomic assertion library which aims to fluent your .NET TDD experience (based on simple Check.That() assertion statements). NFluent aims your tests to be fluent to write (with a super-duper-happy 'dot' auto-completion experience), fluent to read (i.e. as close as possible to plain English expression), but also fluent to troubleshoot, in a less-error-prone way comparing to the classical .NET test frameworks. NFluent is also directly inspired by the awesome Java FEST Fluent assertion/reflection library (http://fest.easytesting.org/)

Lambda-Calculus - A simple Programming Language Compiler to Lambda-Calculus, with a Lambda-Runtime

NUnit - NUnit Framework

Zelda1RandoTools - tools for zelda 1 randomizer

Fine Code Coverage - Visualize unit test code coverage easily for free in Visual Studio Community Edition (and other editions too)

Canopy - f# web automation and testing library, built on top of Selenium (friendly to c# also)

Fuchu - Functional test library for F# / C# / VB.NET