More tests for @bind · JuliaPluto/Pluto.jl#1267

2021-06-23T11:35:52.000Z

@pankgeorg [recently added a test](https://github.com/fonsp/Pluto.jl/pull/975/files#diff-e6d63dca0b2c988b21cd4195305046eee69f7088cd2a0217e33aa1d8d2ce8777) for https://github.com/fonsp/Pluto.jl/issues/928, which is awesome(!) because we now have an end-to-end test for `@bind`. This is a great start, and we should add some additional tests for `@bind`: - [ ] Basic test: Move a slider and check if it triggers reactivity - [ ] Debouncing: `@bind x Slider(1:1000)` and `sleep(1); x`. Moving the slider quickly from 1 to 1000 should not trigger at most 2 runs, not 1000. - [ ] Are sliders synchronized within a browser session? - [ ] (difficult) Are sliders synchronized between multiple browser sessions? - [ ] https://github.com/fonsp/Pluto.jl/issues/1260 - [ ] https://github.com/fonsp/Pluto.jl/issues/1284 - [ ] https://github.com/fonsp/Pluto.jl/issues/1107

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Description

@pankgeorg recently added a test for https://github.com/fonsp/Pluto.jl/issues/928, which is awesome(!) because we now have an end-to-end test for @bind.

This is a great start, and we should add some additional tests for @bind:

Basic test: Move a slider and check if it triggers reactivity
Debouncing: @bind x Slider(1:1000) and sleep(1); x. Moving the slider quickly from 1 to 1000 should not trigger at most 2 runs, not 1000.
Are sliders synchronized within a browser session?
(difficult) Are sliders synchronized between multiple browser sessions?
https://github.com/fonsp/Pluto.jl/issues/1260
https://github.com/fonsp/Pluto.jl/issues/1284
https://github.com/fonsp/Pluto.jl/issues/1107

Contributor guide

Tech stack: None
Domain: testing
Issue type: test
Difficulty: 3
Estimated time: 1-2 days
Activity status: stale
Clarity: clear
Prerequisites: Julia basicsPluto notebook basicsUnderstanding of @bindTest writing
Newbie friendliness: 70
Research direction: Start by reviewing the end to end test added in PR #975 (file diff e6d63dca0b2c988b21cd4195305046eee69f7088cd2a0217e33aa1d8d2ce8777). Then implement the listed test cases: basic reactivity, debouncing, synchronization within session, and cross session. For the difficult cross session test, consider using multiple browser simulations. Also address linked issues #1260, #1284, and #1107 within the test framework. The test infrastructure is likely in the project's test directory.