137 lines
2.7 KiB
JavaScript
137 lines
2.7 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 m = require("../../render/hyperscript")
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var apiMounter = require("../../api/mount")
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o.spec("m.mount", function() {
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var FRAME_BUDGET = 1000 / 60
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var $window, root, mount, renderers
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o.beforeEach(function() {
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$window = domMock()
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root = $window.document.body
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renderers = []
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mount = createMounter($window, renderers)
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})
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o("pushes a render function", function() {
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mount(root, {
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view : function() {
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return m("div")
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}
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})
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o(renderers.length).equals(1)
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o(typeof renderers[0]).equals("function")
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})
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o("renders into `root`", function() {
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var mount = createMounter($window, [])
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mount(root, {
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view : function() {
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return m("div")
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}
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})
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o(root.firstChild.nodeName).equals("DIV")
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})
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o("redraws on events", function(done) {
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var onupdate = o.spy()
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var oninit = o.spy()
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var onclick = o.spy()
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var e = $window.document.createEvent("MouseEvents")
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e.initEvent("click", true, true)
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mount(root, {
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view : function() {
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return m("div", {
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oninit : oninit,
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onupdate : onupdate,
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onclick : onclick,
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})
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}
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})
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root.firstChild.dispatchEvent(e)
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o(oninit.callCount).equals(1)
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o(onupdate.callCount).equals(0)
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o(onclick.callCount).equals(1)
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o(onclick.this).equals(root.firstChild)
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o(onclick.args[0].type).equals("click")
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o(onclick.args[0].target).equals(root.firstChild)
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// Wrapped to give time for the rate-limited redraw to fire
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setTimeout(function() {
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o(onupdate.callCount).equals(1)
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done()
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}, FRAME_BUDGET)
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})
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o("event handlers can skip redraw", function(done) {
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var onupdate = o.spy()
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var oninit = o.spy()
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var e = $window.document.createEvent("MouseEvents")
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e.initEvent("click", true, true)
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mount(root, {
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view: function() {
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return m("div", {
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oninit: oninit,
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onupdate: onupdate,
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onclick: function(e) {
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e.redraw = false
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}
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})
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}
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})
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root.firstChild.dispatchEvent(e)
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o(oninit.callCount).equals(1)
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// Wrapped to ensure no redraw fired
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setTimeout(function() {
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o(onupdate.callCount).equals(0)
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done()
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}, 20)
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})
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o("redraws when the render function is run", function(done) {
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var onupdate = o.spy()
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var oninit = o.spy()
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mount(root, {
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view : function() {
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return m("div", {
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oninit : oninit,
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onupdate : onupdate
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})
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}
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})
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o(oninit.callCount).equals(1)
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o(onupdate.callCount).equals(0)
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renderers[0]()
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// Wrapped to give time for the rate-limited redraw to fire
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setTimeout(function() {
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o(onupdate.callCount).equals(1)
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done()
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}, FRAME_BUDGET)
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})
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})
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