Add tests for invalid embed codes and URLs

This also adds a check that the host of the URL includes OpenTable

Author: pablinos

extensions/blocks/opentable/test/utils.js

@@ -9,6 +9,8 @@ import { getAttributesFromEmbedCode } from '../utils';
 
 const widgetEmbedCode = "<script type='text/javascript' src='//www.opentable.com/widget/reservation/loader?rid=1&type=standard&theme=standard&iframe=true&domain=com&lang=en-US&newtab=false&ot_source=Restaurant%20website'></script>";
 
+const invalidEmbedCode = "<script type='text/javascript' src='https://www.widgets-r-us.com/widget/widgetygoddness?rid=1&type=standard&theme=standard&iframe=true&domain=com&lang=en-US&newtab=false&ot_source=Restaurant%20website'></script>";
+
 const marketingUrl = "https://www.opentable.com/vongs-thai-kitchen-reservations-chicago?restref=1&lang=en-US&ot_source=Restaurant%20website";
 
 const customUrl1 = "https://www.opentable.com/restref/client/?restref=412810&lang=en-US&ot_source=Restaurant%20website&corrid=e413926b-0352-46d6-a8d8-d1d525932310";
@@ -17,6 +19,8 @@ const customUrl2 = "https://www.opentable.com/restref/client/?restref=1&lang=es-
 
 const customUrl3 = "https://www.opentable.com/restref/client/?rid=1&corrid=010a3136-569e-42a5-a381-e111887b4cf5";
 
+const invalidUrl = "https://www.widgets-r-us.com/widget/widgetygoddness?rid=1&type=standard&theme=standard&iframe=true&domain=com&lang=en-US&newtab=false&ot_source=Restaurant%20website";
+
 describe( 'getAttributesFromEmbedCode', () => {
 	test( 'Widget embed code', () => {
 		expect(
@@ -75,4 +79,16 @@ describe( 'getAttributesFromEmbedCode', () => {
 			}
 		);
 	} );
+
+	test( 'Invaild Embed Code', () => {
+		expect( 
+			getAttributesFromEmbedCode( invalidEmbedCode )
+		).toBeUndefined();
+	} );
+
+	test( 'Invaild URL', () => {
+		expect( 
+			getAttributesFromEmbedCode( invalidUrl )
+		).toBeUndefined();
+	} );
 } );

extensions/blocks/opentable/utils.js

@@ -10,7 +10,7 @@ const getAttributesFromUrl = url => {
 		src = new URL( 'http:' + url );
 	}
 
-	if ( ! src.search ) {
+	if ( ! src.host || src.host.indexOf( 'opentable' ) === -1 || ! src.search ) {
 		return;
 	}