Block Bindings / Pattern Overrides: Try preventing normal attribute u…

…pdates when a __default binding exists (WordPress#62471)

* Try preventing normal attribute updates when a __default binding exists

* Add an e2e test

* Only skip normal attribute updates for pattern overrides

----

Co-authored-by: talldan <talldanwp@git.wordpress.org>
Co-authored-by: SantosGuillamot <santosguillamot@git.wordpress.org>

packages/block-editor/src/hooks/use-bindings-attributes.js

@@ -97,6 +97,9 @@ export const withBlockBindingSupport = createHigherOrderComponent(
 			unlock( select( blocksStore ) ).getAllBlockBindingsSources()
 		);
 		const { name, clientId, context } = props;
+		const hasPatternOverridesDefaultBinding =
+			props.attributes.metadata?.bindings?.[ DEFAULT_ATTRIBUTE ]
+				?.source === 'core/pattern-overrides';
 		const bindings = useMemo(
 			() =>
 				replacePatternOverrideDefaultBindings(
@@ -213,7 +216,13 @@ export const withBlockBindingSupport = createHigherOrderComponent(
 						}
 					}
 
-					if ( Object.keys( keptAttributes ).length ) {
+					// Only apply normal attribute updates to blocks
+					// that have partial bindings. Currently this is
+					// only skipped for pattern overrides sources.
+					if (
+						! hasPatternOverridesDefaultBinding &&
+						Object.keys( keptAttributes ).length
+					) {
 						setAttributes( keptAttributes );
 					}
 				} );
@@ -226,6 +235,7 @@ export const withBlockBindingSupport = createHigherOrderComponent(
 				context,
 				setAttributes,
 				sources,
+				hasPatternOverridesDefaultBinding,
 			]
 		);
 

test/e2e/specs/editor/various/pattern-overrides.spec.js

@@ -742,6 +742,59 @@ test.describe( 'Pattern Overrides', () => {
 		).toBeHidden();
 	} );
 
+	test( 'overridden images should not have unsupported attributes set', async ( {
+		admin,
+		requestUtils,
+		editor,
+	} ) => {
+		const imageName = 'Editable image';
+		const TEST_IMAGE_FILE_PATH = path.resolve(
+			__dirname,
+			'../../../assets/10x10_e2e_test_image_z9T8jK.png'
+		);
+		const { id } = await requestUtils.createBlock( {
+			title: 'Pattern',
+			content: `<!-- wp:image {"metadata":{"name":"${ imageName }","bindings":{"__default":{"source":"core/pattern-overrides"}}}} -->
+<figure class="wp-block-image"><img alt=""/></figure>
+<!-- /wp:image -->`,
+			status: 'publish',
+		} );
+
+		await admin.createNewPost();
+
+		await editor.insertBlock( {
+			name: 'core/block',
+			attributes: { ref: id },
+		} );
+
+		const imageBlock = editor.canvas.getByRole( 'document', {
+			name: 'Block: Image',
+		} );
+		await editor.selectBlocks( imageBlock );
+		await imageBlock
+			.getByTestId( 'form-file-upload-input' )
+			.setInputFiles( TEST_IMAGE_FILE_PATH );
+		await expect( imageBlock.getByRole( 'img' ) ).toHaveCount( 1 );
+		await expect( imageBlock.getByRole( 'img' ) ).toHaveAttribute(
+			'src',
+			/\/wp-content\/uploads\//
+		);
+
+		// Because the image is an inner block of a controlled pattern block,
+		// `getBlocks` has to be called using the pattern block's client id.
+		const patternBlock = editor.canvas.getByRole( 'document', {
+			name: 'Block: Pattern',
+		} );
+		const patternClientId = await patternBlock.getAttribute( 'data-block' );
+		const patternInnerBlocks = await editor.getBlocks( {
+			clientId: patternClientId,
+		} );
+
+		// Link is an unsupported attribute, so should be undefined, even though
+		// the image block tries to set its attribute.
+		expect( patternInnerBlocks[ 0 ].attributes.link ).toBe( undefined );
+	} );
+
 	test( 'blocks with the same name should be synced', async ( {
 		page,
 		admin,