arviz-devs/arviz

Testing of interactive plotting features

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#719 opened on Jun 25, 2019

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Description

PR #700 introduced the option hover_label, which shows the label of a datapoint when the user hovers over it with the mouse. For now, this feature is not tested in CI, because it requires an interactive backend.

Thoughts on implementation

Add one extra job skipping all tests except the interactive ones? It would require to somehow fake the hover action too, as part of the code is only executed when the hover action is triggered.

Contributor guide

Research direction
Set up an interactive backend (e.g., xvfb) and simulate hover events using matplotlib's event handling.
Tech stack
python
Domain
testingdata visualization
Issue type
Test
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
GitPythonpytest
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75