✔️ Visual, reactive testing library for Julia. Time machine included.

Related tags

Deep Learningtestingdebuggingjuliajulia-languagetime-travelpluto-notebooks
Overview

PlutoTest.jl (alpha release)

Visual, reactive testing library for Julia

A macro @test that you can use to verify your code's correctness. But instead of just saying "Pass" or "Fail", let's try to show you why a test failed.

  • ✨ time travel ✨ to replay the execution step-by-step
  • ⭐️ multimedia display ⭐️ to make results easy to read

Demo screencap

Try this demo in your browser

Install & use

First, update Pluto to at least 0.15! That's it, Pluto will automatically install the package when you import/using it.

Inside your notebook, use the @test macro to test whether something returns true:

julia> using PlutoTest

julia> @test 1 + 1 == 2

This package is still an alpha release, don't use it to @test is_safe(crazy_new_bike_design).

Reactive

This testing library is designed to be used inside Pluto.jl, a reactive notebook. If you write your tests in the same notebook as your code, then Pluto will automatically re-run the affected tests after you make a change. Tests that are unaffected will not need to re-run. Neat!

Navigation

When a test gets re-run and it fails outside of your viewport, you will be notified with a red dot on the edge of the screen. You can click on a dot to jump to the test, multiple dots indicate multiple tests.

(Only enabled on Chrome and Firefox for now.)

Future: GitHub Action

In the future, it will be easy to run Pluto-based, PlutoTest-based tests automatically on GitHub Actions or Travis CI. In addition to running your tests, it will upload a rendered notebook as artifact to the test run (sample). If a test failed, you can open the notebook and see why.

How does it work?

Take a look at the source code! (It's a Pluto notebook 🌝 )

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Comments
  • Be more similar to Test.@test interface

    Be more similar to [email protected] interface

    Specifically, and most hard to work around, getting local variables to work:

    let
  i = 10
  @test i == 10
end

    It does, but I'd like to have errors and testsets too (or rather just have the notebook a bit cleaned up)

    opened by dralletje 6
  • Show test pass at first frame

    Show test pass at first frame

    Currently, we always show the second-to-last frame as the default, until you move the timeline:

    This makes sense for test failures, because probably the last function call went from computed results to false, like a == call. But for test passes, it often just shows something trivial.

    This PR makes the first frame the default for test passes. This means that you can hide all code, and sort of quickly see what was being tested:

    But as you see in the screenshot, a large test expression means that it takes up more vertical space...

    opened by fonsp 3
  • allow HyperTextLiteral v0.9

    allow HyperTextLiteral v0.9

    Currently, compat for HypertextLiteral is set to v0.6 to 0.8. The most recent version of HypertextLiteral, 0.9, is not supported. This causes issues when using PlutoTest together with other packages which require HypertextLiteral 0.9.

    I do not think that there are breaking changes, therefore it should be sufficient just to add a compat entry for 0.9.

    opened by lungben 1
  • Be more similar to Test.@test interface

    Be more similar to [email protected] interface

    Specifically, and most hard to work around, getting local variables to work:

    let
  i = 10
  @test i == 10
end

    It does, but I'd like to have errors and testsets too (or rather just have the notebook a bit cleaned up)

    opened by dralletje 0
Releases(v0.2.2)
Owner
Pluto
🎈 Simple reactive notebooks for Julia — https://github.com/fonsp/Pluto.jl
Pluto
GitHub Repository https://juliapluto.github.io/PlutoTest.jl/src/notebook.html
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