https://github.com/dnicolson/jxa-unit-testing

✅ Experiment to unit test AppleScript with JXA and Jest
https://github.com/dnicolson/jxa-unit-testing

Last synced: about 1 month ago
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✅ Experiment to unit test AppleScript with JXA and Jest

• Host: GitHub
• URL: https://github.com/dnicolson/jxa-unit-testing
• Owner: dnicolson
• Created: 2019-09-10T21:14:14.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2019-09-22T14:17:59.000Z (over 5 years ago)
• Last Synced: 2024-10-06T02:21:24.560Z (4 months ago)
• Language: JavaScript
• Homepage:
• Size: 4.88 KB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# JXA Unit Testing

This is an experiment in writing a JXA script that can be run unmodified by OSA, Node and Jest. As of ES2019 it appears to [not be possible](https://stackoverflow.com/questions/56592950/mocking-jxa-calls-with-the-proxy-object) to use the Proxy object to mock JXA calls as method calls and properties are indistinguishable. Dependency injection can be used to make method wrappers for the JXA and testing environment. 

A very old AppleScript that updates missing track counts in iTunes has been rewritten in JXA and tested with Jest at about 1/3 of the size of the old script.

The code can be run without modification in the following environments:

### OSA

`osascript -l JavaScript set-track-counts.js`

### Node

`node set-track-counts.js`

### Jest

`jest set-track-counts.test.js`

### Script Editor

`cp set-track-counts.js set-track-counts.applescript && open -a "Script Editor" set-track-counts.applescript`

### Music

`cp set-track-counts.js ~/Library/Music/Scripts/set-track-counts.js`

The script menu can be used to invoke the script in Music.