Tests: Add unit tests for Button block __experimentalLabel functionality (follows WordPress#74163)

SirLouen · SirLouen · commit e29b3ce05afe · 2025-12-23T15:34:15.000+01:00
diff --git a/packages/block-library/src/button/test/get-experimental-label.js b/packages/block-library/src/button/test/get-experimental-label.js
@@ -0,0 +1,43 @@
+/**
+ * Internal dependencies
+ */
+import { settings } from '..';
+
+describe( 'Button block __experimentalLabel', () => {
+	const { __experimentalLabel: getLabel } = settings;
+
+	it( 'returns custom name when metadata.name exists', () => {
+		const attributes = {
+			metadata: { name: 'My Custom Button' },
+			text: 'Click me',
+		};
+		expect( getLabel( attributes ) ).toBe( 'My Custom Button' );
+	} );
+
+	it( 'returns text when no custom name is set', () => {
+		const attributes = {
+			text: 'My Custom Button',
+		};
+		expect( getLabel( attributes ) ).toBe( 'My Custom Button' );
+	} );
+
+	it( 'returns "Button" when text is empty', () => {
+		const attributes = {
+			text: '',
+		};
+		expect( getLabel( attributes ) ).toBe( 'Button' );
+	} );
+
+	it( 'returns "Button" when text is undefined', () => {
+		const attributes = {};
+		expect( getLabel( attributes ) ).toBe( 'Button' );
+	} );
+
+	it( 'returns "Button" when attributes is null', () => {
+		expect( getLabel( null ) ).toBe( 'Button' );
+	} );
+
+	it( 'returns "Button" when attributes is undefined', () => {
+		expect( getLabel( undefined ) ).toBe( 'Button' );
+	} );
+} );
