mithril-vndb/api/tests/test-autoredraw.js
Leo Horie 0005cf26ee refactor redraw into pubsub and autoredraw
- pubsub is a basic pubsub impl
- autoredraw is glue code to register callback to pubsub and onevent

moved e.redraw to autoredraw
2016-05-21 00:37:34 -04:00

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No EOL
1.3 KiB
JavaScript

"use strict"
var o = require("../../ospec/ospec")
var domMock = require("../../test-utils/domMock")
var coreRenderer = require("../../render/render")
var apiPubSub = require("../../api/pubsub")
var autoredraw = require("../../api/autoredraw")
o.spec("autoredraw", function() {
var FRAME_BUDGET = Math.floor(1000 / 60)
var $window, root, renderer, pubsub, spy
o.beforeEach(function() {
$window = domMock()
root = $window.document.body
renderer = coreRenderer($window)
pubsub = apiPubSub()
spy = o.spy()
})
o("returns self-trigger", function() {
var run = autoredraw(root, renderer, pubsub, spy)
run()
o(spy.callCount).equals(1)
})
o("registers onevent", function() {
autoredraw(root, renderer, pubsub, spy)
renderer.render(root, {tag: "div", attrs: {onclick: function() {}}})
var e = $window.document.createEvent("MouseEvents")
e.initEvent("click", true, true)
root.firstChild.dispatchEvent(e)
o(spy.callCount).equals(1)
})
o("registers pubsub", function() {
autoredraw(root, renderer, pubsub, spy)
pubsub.publish()
o(spy.callCount).equals(1)
})
o("throttles", function(done) {
var run = autoredraw(root, renderer, pubsub, spy)
run()
run()
o(spy.callCount).equals(1)
setTimeout(function() {
o(spy.callCount).equals(2)
done()
}, FRAME_BUDGET)
})
})