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5da7a6f923
Adds the ability to ''locally'' run visual regression testing for wp-admin pages via `npm run test:visual`. Snapshots are stored on contributors' local machines. Note: Wiring to the CI is not included. Why? The challenges for the CI are storage of the artifacts and unreliability of testing these across different environments. This commit is a first step towards visual regression testing. Running it locally provides a learning opportunity which could help to craft how to build it into the automated CI process. Props isabel_brison, andraganescu, azaozz, danfarrow, desrosj, hellofromTonya, justinahinon, netweb, talldanwp. Fixes #49606. git-svn-id: https://develop.svn.wordpress.org/trunk@51989 602fd350-edb4-49c9-b593-d223f7449a82
11 lines
392 B
JavaScript
11 lines
392 B
JavaScript
import { configureToMatchImageSnapshot } from 'jest-image-snapshot';
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// All available options: https://github.com/americanexpress/jest-image-snapshot#%EF%B8%8F-api
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const toMatchImageSnapshot = configureToMatchImageSnapshot( {
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// Maximum diff to allow in px.
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failureThreshold: 1,
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} );
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// Extend Jest's "expect" with image snapshot functionality.
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expect.extend( { toMatchImageSnapshot } );
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