95 lines
2 KiB
JavaScript
95 lines
2 KiB
JavaScript
"use strict"
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var o = require("../../ospec/ospec")
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var domMock = require("../../test-utils/domMock")
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var coreRenderer = require("../../render/render")
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var apiPubSub = require("../../api/pubsub")
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var autoredraw = require("../../api/autoredraw")
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o.spec("autoredraw", function() {
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var FRAME_BUDGET = Math.floor(1000 / 60)
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var $window, root, renderer, pubsub, spy
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o.beforeEach(function() {
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$window = domMock()
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root = $window.document.body
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renderer = coreRenderer($window)
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pubsub = apiPubSub()
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spy = o.spy()
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})
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o("returns self-trigger", function() {
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var run = autoredraw(root, renderer, pubsub, spy)
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run()
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o(spy.callCount).equals(1)
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})
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o("null renderer doesn't throw", function(done) {
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autoredraw(root, null, pubsub, spy)
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done()
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})
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o("null pubsub doesn't throw", function(done) {
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autoredraw(root, renderer, null, spy)
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done()
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})
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o("registers onevent", function() {
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autoredraw(root, renderer, pubsub, spy)
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renderer.render(root, {tag: "div", attrs: {onclick: function() {}}})
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var e = $window.document.createEvent("MouseEvents")
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e.initEvent("click", true, true)
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root.firstChild.dispatchEvent(e)
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o(spy.callCount).equals(1)
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})
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o("registers pubsub", function() {
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autoredraw(root, renderer, pubsub, spy)
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pubsub.publish()
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o(spy.callCount).equals(1)
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})
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o("re-registering pubsub works", function() {
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autoredraw(root, renderer, pubsub, spy)
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autoredraw(root, renderer, pubsub, spy)
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pubsub.publish()
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o(spy.callCount).equals(1)
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})
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o("throttles", function(done) {
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var run = autoredraw(root, renderer, pubsub, spy)
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run()
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run()
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o(spy.callCount).equals(1)
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setTimeout(function() {
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o(spy.callCount).equals(2)
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done()
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}, FRAME_BUDGET)
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})
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o("does not redraw if e.redraw is false", function() {
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autoredraw(root, renderer, pubsub, spy)
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renderer.render(root, {tag: "div", attrs: {onclick: function(e) {e.redraw = false}}})
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var e = $window.document.createEvent("MouseEvents")
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e.initEvent("click", true, true)
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root.firstChild.dispatchEvent(e)
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o(spy.callCount).equals(0)
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})
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})
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