move snabbdom into libs/

libs/snabbdom/test/htmldomapi.js

@@ -0,0 +1,53 @@
+var assert = require('assert');
+
+var snabbdom = require('../snabbdom');
+var h = require('../h').default;
+var patch = snabbdom.init([
+  require('../modules/attributes').default
+]);
+
+describe('svg', function () {
+ var elm, vnode0;
+ beforeEach(function() {
+   elm = document.createElement('svg');
+   vnode0 = elm;
+ });
+
+ it('removes child svg elements', function(){
+   var a = h('svg', {}, [
+    h('g'),
+    h('g')
+   ]);
+   var b = h('svg', {}, [
+    h('g')
+   ]);
+   var result = patch(patch(vnode0, a), b).elm;
+   assert.equal(result.childNodes.length, 1); 
+ });
+
+ it('adds correctly xlink namespaced attribute', function(){
+   var xlinkNS = 'http://www.w3.org/1999/xlink';
+   var testUrl = '/test';
+   var a = h('svg', {}, [
+     h('use', {
+       attrs: { 'xlink:href': testUrl }
+     }, [])
+   ]);
+
+   var result = patch(vnode0, a).elm;
+   assert.equal(result.childNodes.length, 1);
+   assert.equal(result.childNodes[0].getAttribute('xlink:href'), testUrl); 
+   assert.equal(result.childNodes[0].getAttributeNS(xlinkNS,'href'), testUrl);
+
+ });
+
+ it('adds correctly xml namespaced attribute', function(){
+   var xmlNS = 'http://www.w3.org/XML/1998/namespace';
+   var testAttrValue = 'und';
+   var a = h('svg', { attrs: { 'xml:lang': testAttrValue } }, []);
+
+   var result = patch(vnode0, a).elm;
+   assert.equal(result.getAttributeNS(xmlNS, 'lang'), testAttrValue);
+   assert.equal(result.getAttribute('xml:lang'), testAttrValue); 
+ });
+})