cats-effect-testing
Integration between cats-effect and test frameworks (by djspiewak)
natchez
functional tracing for cats (by typelevel)
Our great sponsors
| cats-effect-testing | natchez | |
|---|---|---|
| 1 | 2 | |
| 184 | 317 | |
| 0.5% | 0.9% | |
| 7.9 | 8.8 | |
| 3 days ago | 6 days ago | |
| Scala | Scala | |
| Apache License 2.0 | MIT License |
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.
cats-effect-testing
Posts with mentions or reviews of cats-effect-testing.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2021-01-19.
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Are there really 'testing benefits' to programming with effects?
cats-effect-testing covers Specs2, ScalaTest, uTest, and minitest.
natchez
Posts with mentions or reviews of natchez.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2021-07-01.
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The wonder of context functions
Regarding real-world uses of this concept, I used it today to put natchez tracing in my http4s project. While the project is still small, I was shocked at the lack of invasiveness of this approach compared to usage of Kleisli to achieve the same effect.
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Question on implementing open tracing with Scala Futures
It's never going to work with a ThreadLocal-based implementation because Future (and other Scala async stuff like cats.effect.IO) hop from thread to thread in an unpredictable way. The only way to do it is to jettison the magical "current span" thing and pass the span explicitly. You can hide this in the plumbing if you program with abstract effects (this is what Natchez Trace does) but with Future I think you're going to have to pass everything around in the open.
What are some alternatives?
When comparing cats-effect-testing and natchez you can also consider the following projects:
Mockito Scala - Mockito for Scala language
wiringbits-scala-newbie-warts - A collection of WartRemover warts for Scala newbies used by Wiringbits
Monix - Asynchronous, Reactive Programming for Scala and Scala.js.
pencil - Simple smtp client
Specs2 - Software Specifications for Scala
toolkit - A Scala 3, lightweight and functional non-intrusive library to build typed and declarative Scala application with managed resources and dependencies
munit-cats-effect - Integration library for MUnit & cats-effect
trace4cats-sttp - Integration for Trace4Cats and Sttp/Tapir