fix(accessible-name): Allow fallback labels when input has id (#951)

Author: WilcoFiers

lib/commons/text/accessible-text-virtual.js

@@ -25,7 +25,8 @@ function findLabel(virtualNode) {
 		label = dom.findElmsInContext({
 			elm: 'label', attr: 'for', value: virtualNode.actualNode.id, context: virtualNode.actualNode
 		})[0];
-	} else {
+	}
+	if (!label) {
 		label = dom.findUpVirtual(virtualNode, 'label');
 	}
 	return axe.utils.getNodeFromTree(axe._tree[0], label);

test/commons/text/accessible-text.js

@@ -778,6 +778,18 @@ describe('text.accessibleTextVirtual', function() {
 			});
 		});
 
+		it('should find implicit labels with id that does not match to a label', function () {
+			types.forEach(function(type) {
+				var t = type ? ' type="' + type + '"' : '';
+				fixture.innerHTML = '<label for="t1">Hello World' +
+					'<input' + t + ' id="foo"></label>';
+				axe._tree = axe.utils.getFlattenedTree(fixture);
+
+				var target = axe.utils.querySelectorAll(axe._tree, 'input')[0];
+				assert.equal(axe.commons.text.accessibleTextVirtual(target), 'Hello World', type);
+			});
+		})
+
 		// not implemented yet, doesn't work accross ATs
 		it.skip('should find a placeholder attribute', function() {
 			types.forEach(function(type) {