From cb6492df33173e820a9c7021f99cf45c5b0d527c Mon Sep 17 00:00:00 2001
From: Wilco Fiers <wilco.fiers@deque.com>
Date: Sun, 25 Nov 2018 22:01:51 +0100
Subject: [PATCH] fix(commons): Allow any node in aria.getRole

---
 lib/commons/aria/get-role.js  |  4 ++++
 test/commons/aria/get-role.js | 11 +++++++++++
 2 files changed, 15 insertions(+)

diff --git a/lib/commons/aria/get-role.js b/lib/commons/aria/get-role.js
index 1ab0bae5d8..a828253f5c 100644
--- a/lib/commons/aria/get-role.js
+++ b/lib/commons/aria/get-role.js
@@ -18,6 +18,10 @@ aria.getRole = function getRole(
 	node,
 	{ noImplicit, fallback, abstracts, dpub } = {}
 ) {
+	node = node.actualNode || node;
+	if (node.nodeType !== 1) {
+		return null;
+	}
 	const roleAttr = (node.getAttribute('role') || '').trim().toLowerCase();
 	const roleList = fallback ? axe.utils.tokenList(roleAttr) : [roleAttr];
 
diff --git a/test/commons/aria/get-role.js b/test/commons/aria/get-role.js
index 68a32ed2bf..83a1180801 100644
--- a/test/commons/aria/get-role.js
+++ b/test/commons/aria/get-role.js
@@ -53,6 +53,17 @@ describe('aria.getRole', function() {
 		assert.isNull(aria.getRole(node));
 	});
 
+	it('accepts virtualNode objects', function() {
+		var node = document.createElement('div');
+		node.setAttribute('role', 'button');
+		assert.equal(aria.getRole({ actualNode: node }), 'button');
+	});
+
+	it('returns null if the node is not an element', function() {
+		var node = document.createTextNode('foo bar baz');
+		assert.isNull(aria.getRole(node));
+	});
+
 	describe('noImplicit', function() {
 		it('returns the implicit role by default', function() {
 			var node = document.createElement('li');