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Perf testing: Cover Site Editor loading time (#23842)
Add some performance test coverage to the site editor (loading time), specifically to avoid perfomance regressions with regard to template resolution and `wp_template` auto-draft creation (see e.g. #23662). Changes some of the underlying performance test framework to allow for multiple test files.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /** | ||
| * External dependencies | ||
| */ | ||
| import { basename, join } from 'path'; | ||
| import { writeFileSync } from 'fs'; | ||
|
|
||
| /** | ||
| * Internal dependencies | ||
| */ | ||
| import { useExperimentalFeatures } from '../../experimental-features'; | ||
|
|
||
| /** | ||
| * WordPress dependencies | ||
| */ | ||
| import { trashAllPosts, visitAdminPage } from '@wordpress/e2e-test-utils'; | ||
| import { addQueryArgs } from '@wordpress/url'; | ||
|
|
||
| jest.setTimeout( 1000000 ); | ||
|
|
||
| describe( 'Site Editor Performance', () => { | ||
| useExperimentalFeatures( [ | ||
| '#gutenberg-full-site-editing', | ||
| '#gutenberg-full-site-editing-demo', | ||
| ] ); | ||
|
|
||
| beforeAll( async () => { | ||
| await trashAllPosts( 'wp_template' ); | ||
| await trashAllPosts( 'wp_template_part' ); | ||
| } ); | ||
| afterAll( async () => { | ||
| await trashAllPosts( 'wp_template' ); | ||
| await trashAllPosts( 'wp_template_part' ); | ||
| } ); | ||
|
|
||
| it( 'Loading', async () => { | ||
| const results = { | ||
| load: [], | ||
| domcontentloaded: [], | ||
| type: [], | ||
| focus: [], | ||
| }; | ||
|
|
||
| await visitAdminPage( | ||
| 'admin.php', | ||
| addQueryArgs( '', { | ||
| page: 'gutenberg-edit-site', | ||
| } ).slice( 1 ) | ||
| ); | ||
|
|
||
| let i = 3; | ||
|
|
||
| // Measuring loading time | ||
| while ( i-- ) { | ||
| await page.reload( { waitUntil: [ 'domcontentloaded', 'load' ] } ); | ||
| const timings = JSON.parse( | ||
| await page.evaluate( () => | ||
| JSON.stringify( window.performance.timing ) | ||
| ) | ||
| ); | ||
| const { | ||
| navigationStart, | ||
| domContentLoadedEventEnd, | ||
| loadEventEnd, | ||
| } = timings; | ||
| results.load.push( loadEventEnd - navigationStart ); | ||
| results.domcontentloaded.push( | ||
| domContentLoadedEventEnd - navigationStart | ||
| ); | ||
| } | ||
|
|
||
| const resultsFilename = basename( __filename, '.js' ) + '.results.json'; | ||
|
|
||
| writeFileSync( | ||
| join( __dirname, resultsFilename ), | ||
| JSON.stringify( results, null, 2 ) | ||
| ); | ||
|
|
||
| expect( true ).toBe( true ); | ||
| } ); | ||
| } ); |