From e24356a056a5030a8d839dd6540cb76fd454e1a2 Mon Sep 17 00:00:00 2001
From: Maggie <maggie.cabrera@automattic.com>
Date: Fri, 11 Oct 2024 11:08:34 +0200
Subject: [PATCH] Zoom out: e2e test - zoomed out mode zooms the canvas
 (#65943)

* removed outdated e2 tests and added a new one

* Update test/e2e/specs/site-editor/zoom-out.spec.js

Co-authored-by: Daniel Richards <daniel.richards@automattic.com>

* fixed canvas selector

* check the size of the iframe after scaling

* check if the canvas is separated

* reformat comments

* updated test after rebasing trunk with latest changes

* recalculate the position using padding instead of border

---------

Co-authored-by: Daniel Richards <daniel.richards@automattic.com>
Co-authored-by: MaggieCabrera <onemaggie@git.wordpress.org>
Co-authored-by: talldan <talldanwp@git.wordpress.org>
---
 test/e2e/specs/site-editor/zoom-out.spec.js | 80 ++++++++-------------
 1 file changed, 30 insertions(+), 50 deletions(-)

diff --git a/test/e2e/specs/site-editor/zoom-out.spec.js b/test/e2e/specs/site-editor/zoom-out.spec.js
index 53b777a2545a3..6ede9014d2a30 100644
--- a/test/e2e/specs/site-editor/zoom-out.spec.js
+++ b/test/e2e/specs/site-editor/zoom-out.spec.js
@@ -3,65 +3,45 @@
  */
 const { test, expect } = require( '@wordpress/e2e-test-utils-playwright' );
 
-// The test is flaky and fails almost consistently.
-// See: https://github.com/WordPress/gutenberg/issues/61806.
-// eslint-disable-next-line playwright/no-skipped-test
-test.describe.skip( 'Zoom Out', () => {
+test.describe( 'Zoom Out', () => {
 	test.beforeAll( async ( { requestUtils } ) => {
-		await requestUtils.activateTheme( 'emptytheme' );
+		await requestUtils.activateTheme( 'twentytwentyfour' );
 	} );
 
-	test.beforeEach( async ( { admin, editor, page } ) => {
-		await admin.visitAdminPage( 'admin.php', 'page=gutenberg-experiments' );
-
-		const zoomedOutCheckbox = page.getByLabel(
-			'Enable zoomed out view when selecting a pattern category in the main inserter.'
-		);
-
-		await zoomedOutCheckbox.setChecked( true );
-		await expect( zoomedOutCheckbox ).toBeChecked();
-		await page.getByRole( 'button', { name: 'Save Changes' } ).click();
+	test.afterAll( async ( { requestUtils } ) => {
+		await requestUtils.activateTheme( 'twentytwentyone' );
+	} );
 
+	test.beforeEach( async ( { admin, editor } ) => {
 		await admin.visitSiteEditor();
 		await editor.canvas.locator( 'body' ).click();
 	} );
 
-	test.afterEach( async ( { admin, page } ) => {
-		await admin.visitAdminPage( 'admin.php', 'page=gutenberg-experiments' );
-		const zoomedOutCheckbox = page.getByLabel(
-			'Enable zoomed out view when selecting a pattern category in the main inserter.'
-		);
-		await zoomedOutCheckbox.setChecked( false );
-		await expect( zoomedOutCheckbox ).not.toBeChecked();
-		await page.getByRole( 'button', { name: 'Save Changes' } ).click();
-	} );
-
-	test.afterAll( async ( { requestUtils } ) => {
-		await requestUtils.activateTheme( 'twentytwentyone' );
-	} );
-
-	test( 'Clicking on inserter while on zoom-out should open the patterns tab on the inserter', async ( {
+	test( 'Entering zoomed out mode zooms the canvas', async ( {
 		page,
+		editor,
 	} ) => {
-		// Trigger zoom out on Global Styles because there the inserter is not open.
-		await page.getByRole( 'button', { name: 'Styles' } ).click();
-		await page.getByRole( 'button', { name: 'Browse styles' } ).click();
-
-		// select the 1st pattern
-		await page
-			.frameLocator( 'iframe[name="editor-canvas"]' )
-			.locator( 'header' )
-			.click();
-
-		await expect( page.getByLabel( 'Add pattern' ) ).toHaveCount( 3 );
-		await page.getByLabel( 'Add pattern' ).first().click();
-		await expect( page.getByLabel( 'Add pattern' ) ).toHaveCount( 2 );
-
-		await expect(
-			page
-				.locator( '#tabs-2-allPatterns-view div' )
-				.filter( { hasText: 'All' } )
-				.nth( 1 )
-		).toBeVisible();
+		await page.getByLabel( 'Zoom Out' ).click();
+		const iframe = page.locator( 'iframe[name="editor-canvas"]' );
+		const html = editor.canvas.locator( 'html' );
+
+		// Check that the html is scaled.
+		await expect( html ).toHaveCSS(
+			'transform',
+			'matrix(0.67, 0, 0, 0.67, 0, 0)'
+		);
+		const iframeRect = await iframe.boundingBox();
+		const htmlRect = await html.boundingBox();
+
+		// Check that the iframe is larger than the html.
+		expect( iframeRect.width ).toBeGreaterThan( htmlRect.width );
+
+		// Check that the zoomed out content has a frame around it.
+		const paddingTop = await html.evaluate( ( element ) => {
+			const paddingValue = window.getComputedStyle( element ).paddingTop;
+			return parseFloat( paddingValue );
+		} );
+		expect( htmlRect.y + paddingTop ).toBeGreaterThan( iframeRect.y );
+		expect( htmlRect.x ).toBeGreaterThan( iframeRect.x );
 	} );
 } );