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site-editor.spec.js
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site-editor.spec.js
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/**
* WordPress dependencies
*/
const { test, expect } = require( '@wordpress/e2e-test-utils-playwright' );
/**
* External dependencies
*/
import path from 'path';
/**
* Internal dependencies
*/
import {
readFile,
deleteFile,
saveResultsFile,
getTraceFilePath,
getTypingEventDurations,
getLoadingDurations,
loadBlocksFromHtml,
} from './utils';
const results = {
serverResponse: [],
firstPaint: [],
domContentLoaded: [],
loaded: [],
firstContentfulPaint: [],
firstBlock: [],
type: [],
typeContainer: [],
focus: [],
inserterOpen: [],
inserterHover: [],
inserterSearch: [],
listViewOpen: [],
};
let testPageId;
test.describe( 'Site Editor Performance', () => {
test.beforeAll( async ( { requestUtils } ) => {
await requestUtils.activateTheme( 'emptytheme' );
await requestUtils.deleteAllTemplates( 'wp_template' );
await requestUtils.deleteAllTemplates( 'wp_template_part' );
} );
test.afterAll( async ( { requestUtils } ) => {
saveResultsFile( __filename, results );
await requestUtils.deleteAllTemplates( 'wp_template' );
await requestUtils.deleteAllTemplates( 'wp_template_part' );
await requestUtils.activateTheme( 'twentytwentyone' );
} );
test( 'Loading', async ( { browser, page, admin, editor } ) => {
// Start a new page.
await admin.createNewPost( { postType: 'page' } );
// Turn the large post HTML into blocks and insert.
await loadBlocksFromHtml(
page,
path.join( process.env.ASSETS_PATH, 'large-post.html' )
);
// Save the draft.
await page
.getByRole( 'button', { name: 'Save draft' } )
.click( { timeout: 60_000 } );
await expect(
page.getByRole( 'button', { name: 'Saved' } )
).toBeDisabled();
// Get the ID of the saved page.
testPageId = await page.evaluate( () =>
new URL( document.location ).searchParams.get( 'post' )
);
// Open the test page in Site Editor.
await admin.visitSiteEditor( {
postId: testPageId,
postType: 'page',
} );
// Get the URL that we will be testing against.
const targetUrl = await page.evaluate( 'document.location.href' );
// Wait for the content to finish loading.
await editor.canvas
.getByText( 'Lorem ipsum dolor sit amet' )
.first()
.waitFor( { timeout: 60_000 } );
// Start the measurements.
const sampleCount = 3;
for ( let i = 1; i <= sampleCount; i++ ) {
// Open a fresh page in a new context to prevent caching.
const freshPage = await browser.newPage();
// Go to the target URL.
await freshPage.goto( targetUrl );
// Wait for the first block.
await freshPage
.frameLocator( 'iframe[name="editor-canvas"]' )
.locator( '.wp-block' )
.first()
.waitFor( { timeout: 60_000 } );
// Save results.
const {
serverResponse,
firstPaint,
domContentLoaded,
loaded,
firstContentfulPaint,
firstBlock,
} = await getLoadingDurations( freshPage );
results.serverResponse.push( serverResponse );
results.firstPaint.push( firstPaint );
results.domContentLoaded.push( domContentLoaded );
results.loaded.push( loaded );
results.firstContentfulPaint.push( firstContentfulPaint );
results.firstBlock.push( firstBlock );
await freshPage.close();
}
} );
test( 'Typing', async ( { browser, page, pageUtils, admin, editor } ) => {
// Start a new page.
await admin.createNewPost( { postType: 'page' } );
// Turn the large post HTML into blocks and insert.
await loadBlocksFromHtml(
page,
path.join( process.env.ASSETS_PATH, 'large-post.html' )
);
// Save the draft.
await page
.getByRole( 'button', { name: 'Save draft' } )
// Loading the large post HTML can take some time so we need a higher
// timeout value here.
.click( { timeout: 60_000 } );
await expect(
page.getByRole( 'button', { name: 'Saved' } )
).toBeDisabled();
// Get the ID of the saved page.
testPageId = await page.evaluate( () =>
new URL( document.location ).searchParams.get( 'post' )
);
// Open the test page in Site Editor.
await admin.visitSiteEditor( {
postId: testPageId,
postType: 'page',
} );
// Wait for the first paragraph to be ready.
const firstParagraph = editor.canvas
.getByText( 'Lorem ipsum dolor sit amet' )
.first();
await firstParagraph.waitFor( { timeout: 60_000 } );
// Enter edit mode.
await editor.canvas.click( 'body' );
// Insert a new paragraph right under the first one.
await editor.canvas
.getByRole( 'document', { name: 'Block: Post Content' } )
.click();
await firstParagraph.click();
await pageUtils.pressKeys( 'primary+a' );
await page.keyboard.press( 'ArrowRight' );
await page.keyboard.press( 'Enter' );
// Start tracing.
const traceFilePath = getTraceFilePath();
await browser.startTracing( page, {
path: traceFilePath,
screenshots: false,
categories: [ 'devtools.timeline' ],
} );
// Type "x" 200 times.
const typingSequence = new Array( 200 ).fill( 'x' ).join( '' );
await page.keyboard.type( typingSequence );
// Stop tracing and save results.
await browser.stopTracing();
const traceResults = JSON.parse( readFile( traceFilePath ) );
const [ keyDownEvents, keyPressEvents, keyUpEvents ] =
getTypingEventDurations( traceResults );
for ( let i = 0; i < keyDownEvents.length; i++ ) {
results.type.push(
keyDownEvents[ i ] + keyPressEvents[ i ] + keyUpEvents[ i ]
);
}
// Delete the original trace file.
deleteFile( traceFilePath );
} );
} );