espec vs proper

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espec		proper
	Project
-	Mentions	3
798	Stars	878
-	Growth	0.1%
5.5	Activity	3.1
about 2 months ago	Latest Commit	9 months ago
Elixir	Language	Erlang
MIT License	License	GNU General Public License v3.0 only

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.

espec

Posts with mentions or reviews of espec. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning espec yet.
Tracking mentions began in Dec 2020.

proper

Posts with mentions or reviews of proper. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-09-03.

How programmers make sure that their software is correct
1 project | news.ycombinator.com | 6 Jan 2022

> There are generally two main categories of tests. There are unit tests [and] Integration tests
Later on there is a mention of fuzzing. However, there is something better called property tests. Where the on failure there is automatic "shrinking" of input complexity to find a minimally failing test scenario.
For Erlang and Elixir I recommend https://propertesting.com/ book and the PropEr test framework https://github.com/proper-testing/proper.
As an example, here is the use of an advanced feature called targeted property based testing: https://proper-testing.github.io/tutorials/PropEr_testing_wi... used to test a labyrinth.
Laura Castro on Property-Based Testing in Elixir
5 projects | dev.to | 3 Sep 2021

[1] https://proper-testing.github.io/

What are some alternatives?

When comparing espec and proper you can also consider the following projects:

wallaby - Concurrent browser tests for your Elixir web apps.

StreamData - Data generation and property-based testing for Elixir. 🔮

hound - Elixir library for writing integration tests and browser automation

meck - A mocking library for Erlang

ex_machina - Create test data for Elixir applications

Quixir - Property-based testing for Elixir

pavlov - A BDD framework for your Elixir projects

espec_phoenix - ESpec for Phoenix web framework.

shouldi - Elixir testing libraries with nested contexts, superior readability, and ease of use

bypass - Bypass provides a quick way to create a custom plug that can be put in place instead of an actual HTTP server to return prebaked responses to client requests.