From fa5a02e53a2297cf6be36947bba36053b82d17dd Mon Sep 17 00:00:00 2001
From: Himanshu Pathak <himanshu.pathak@rtcamp.com>
Date: Wed, 5 Feb 2025 14:42:53 +0530
Subject: [PATCH] E2E: Add regression test for spacer block in themes without
 spacing units (#68913)

Co-authored-by: himanshupathak95 <abcd95@git.wordpress.org>
Co-authored-by: Mamaduka <mamaduka@git.wordpress.org>
Co-authored-by: fullofcaffeine <fullofcaffeine@git.wordpress.org>
---
 test/e2e/specs/editor/blocks/spacer.spec.js | 25 +++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/test/e2e/specs/editor/blocks/spacer.spec.js b/test/e2e/specs/editor/blocks/spacer.spec.js
index da262c9b4e26d9..620d1a3c967b88 100644
--- a/test/e2e/specs/editor/blocks/spacer.spec.js
+++ b/test/e2e/specs/editor/blocks/spacer.spec.js
@@ -48,4 +48,29 @@ test.describe( 'Spacer', () => {
 			)
 		).toBeFocused();
 	} );
+
+	test( 'should work in theme without spacing units support', async ( {
+		editor,
+		page,
+	} ) => {
+		await page.waitForFunction( () => window?.wp?.data );
+
+		// Mock the theme.json data to simulate a theme without spacing units
+		await page.evaluate( () => {
+			const settings = window.wp.data
+				.select( 'core/block-editor' )
+				.getSettings();
+			window.__originalSettings = settings;
+			window.wp.data.dispatch( 'core/block-editor' ).updateSettings( {
+				...settings,
+				spacing: { units: false },
+			} );
+		} );
+
+		await editor.insertBlock( { name: 'core/spacer' } );
+
+		await expect(
+			editor.canvas.locator( '.block-editor-warning' )
+		).toBeHidden();
+	} );
 } );