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Spy on setAttribute to test customElement support

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This commit is contained in:
James 2016-12-18 22:07:33 +11:00
parent 48e3610609
commit 15c28066d7
2 changed files with 66 additions and 2 deletions
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7
render/render.js
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@ -435,14 +435,14 @@ module.exports = function($window) {
}
function setAttr(vnode, key, old, value, ns) {
var element = vnode.dom
if (key === "key" || (old === value && !isFormAttribute(vnode, key)) && typeof value !== "object" || typeof value === "undefined" || isLifecycleMethod(key)) return
if (key === "key" || key === "is" || (old === value && !isFormAttribute(vnode, key)) && typeof value !== "object" || typeof value === "undefined" || isLifecycleMethod(key)) return
var nsLastIndex = key.indexOf(":")
if (nsLastIndex > -1 && key.substr(0, nsLastIndex) === "xlink") {
element.setAttributeNS("http://www.w3.org/1999/xlink", key.slice(nsLastIndex + 1), value)
}
else if (key[0] === "o" && key[1] === "n" && typeof value === "function") updateEvent(vnode, key, value)
else if (key === "style") updateStyle(element, old, value)
else if (key in element && !isAttribute(key) && ns === undefined) {
else if (key in element && !isAttribute(key) && ns === undefined && !isCustomElement(vnode)) {
//setting input[value] to same value by typing on focused element moves cursor to end in Chrome
if (vnode.tag === "input" && key === "value" && vnode.dom.value === value && vnode.dom === $doc.activeElement) return
//setting select[value] to same value while having select open blinks select dropdown in Chrome
@ -491,6 +491,9 @@ module.exports = function($window) {
function isAttribute(attr) {
return attr === "href" || attr === "list" || attr === "form" || attr === "width" || attr === "height"// || attr === "type"
}
function isCustomElement(vnode){
return vnode.attrs.is || vnode.tag.indexOf("-") > -1
}
function hasIntegrationMethods(source) {
return source != null && (source.oncreate || source.onupdate || source.onbeforeremove || source.onremove)
}

61
render/tests/test-attributes.js
View file

@ -11,7 +11,68 @@ o.spec("attributes", function() {
root = $window.document.body
render = vdom($window).render
})
o.spec("customElements", function(){
o("when vnode is customElement, custom setAttribute called", function(){
var normalFirstDraw = [
{ tag: "input", attrs: { wow: 'text' } },
{ tag: "input", attrs: { wow: 'text' } },
{ tag: "input", attrs: { wow: 'text' } },
]
var normalSecondDraw = [
{ tag: "input", attrs: { wow: 'text' } },
{ tag: "input", attrs: { wow: 'text' } },
{ tag: "input", attrs: { wow: 'text' } },
]
var customFirstDraw = [
{ tag: "custom-element", attrs: { custom: 'x' } },
{ tag: "input", attrs: { is: 'something-special', custom: 'x' } },
{ tag: "custom-element", attrs: { is: 'something-special', custom: 'x' } }
]
var customSecondDraw = [
{ tag: "custom-element", attrs: { custom: 'y' } },
{ tag: "input", attrs: { is: 'something-special', custom: 'y' } },
{ tag: "custom-element", attrs: { is: 'something-special', custom: 'y' } }
]
var draws = [
normalFirstDraw, normalSecondDraw,
customFirstDraw, customSecondDraw
]
var customRedraws = 2
var customSetAttrCalls = customFirstDraw.length * customRedraws;
var innerHTMLCalls = normalFirstDraw.length
var f = $window.document.createElement
var spy
$window.document.createElement = function(tag, is){
var el = f(tag, is)
if(!spy){
spy = o.spy(el.setAttribute)
}
el.setAttribute = spy
return el
}
draws.forEach(
function(view) {
render(root, view)
}
)
o(spy.callCount).equals(
customSetAttrCalls + innerHTMLCalls
)
})
})
o.spec("input readonly", function() {
o("when input readonly is true, attribute is present", function() {
var a = {tag: "input", attrs: {readonly: true}}