proper VS espec

Compare proper vs espec and see what are their differences.

proper

PropEr: a QuickCheck-inspired property-based testing tool for Erlang (by proper-testing)
Testing Erlang release-badge codecov-badge erlang-versions-badge
Source Code
proper-testing.github.io
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espec

Elixir Behaviour Driven Development (by antonmi)
Testing Elixir bdd-specs BDD
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proper espec
3 -
878 798
0.1% -
3.1 5.5
9 months ago 2 months ago
Erlang Elixir
GNU General Public License v3.0 only 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.

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/

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.

What are some alternatives?

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

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

wallaby - Concurrent browser tests for your Elixir web apps.

meck - A mocking library for Erlang

hound - Elixir library for writing integration tests and browser automation

Quixir - Property-based testing for Elixir

ex_machina - Create test data for Elixir applications

espec_phoenix - ESpec for Phoenix web framework.

pavlov - A BDD framework for your Elixir projects

katt - KATT (Klarna API Testing Tool) is an HTTP-based API testing tool for Erlang.

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

proper vs StreamData espec vs wallaby proper vs meck espec vs hound proper vs Quixir espec vs ex_machina proper vs espec_phoenix espec vs pavlov proper vs hound espec vs espec_phoenix proper vs katt espec vs shouldi