Added unit tests for the escape and unescape functions in core/code b…

…lock

packages/block-library/src/code/test/index.js

@@ -0,0 +1,62 @@
+/**
+ * Internal dependencies
+ */
+import { escape, unescape } from '../utils';
+
+describe( 'core/code', () => {
+	describe( 'escape()', () => {
+		it( 'should escape ampersands', () => {
+			const text = escape( '&' );
+			expect( text ).toBe( '&' );
+		} );
+
+		it( 'should escape opening square brackets', () => {
+			const text = escape( '[shortcode][/shortcode]' );
+			expect( text ).toBe( '[shortcode][/shortcode]' );
+		} );
+
+		it( 'should escape the protocol of an isolated url', () => {
+			const text = escape( 'https://example.com/test/' );
+			expect( text ).toBe( 'https://example.com/test/' );
+		} );
+
+		it( 'should not escape the protocol of a non isolated url', () => {
+			const text = escape( 'Text https://example.com/test/' );
+			expect( text ).toBe( 'Text https://example.com/test/' );
+		} );
+
+		it( 'should escape ampersands last', () => {
+			const text = escape( '[shortcode][/shortcode]' );
+			expect( text ).toBe( '[shortcode][/shortcode]' );
+			expect( text ).not.toBe( '[shortcode][/shortcode]' );
+		} );
+	} );
+
+	describe( 'unescape()', () => {
+		it( 'should unescape escaped ampersands', () => {
+			const text = unescape( '&' );
+			expect( text ).toBe( '&' );
+		} );
+
+		it( 'should unescape escaped opening square brackets', () => {
+			const text = unescape( '[shortcode][/shortcode]' );
+			expect( text ).toBe( '[shortcode][/shortcode]' );
+		} );
+
+		it( 'should unescape the escaped protocol of an isolated url', () => {
+			const text = unescape( 'https://example.com/test/' );
+			expect( text ).toBe( 'https://example.com/test/' );
+		} );
+
+		it( 'should revert the result of escape()', () => {
+			const ampersand = unescape( escape( '&' ) );
+			expect( ampersand ).toBe( '&' );
+
+			const squareBracket = unescape( escape( '[shortcode][/shortcode]' ) );
+			expect( squareBracket ).toBe( '[shortcode][/shortcode]' );
+
+			const url = unescape( escape( 'https://example.com/test/' ) );
+			expect( url ).toBe( 'https://example.com/test/' );
+		} );
+	} );
+} );