mithril-vndb/test/isolation-test.js
2016-01-22 14:07:25 -05:00

159 lines
3 KiB
JavaScript

/* global m, test, mock */
(function () {
"use strict"
m.deps(mock.window)
test(function () { // eslint-disable-line max-statements
var root = mock.document.createElement("div")
var retain = false
var flag = true
var loaded1 = null
var loaded2 = null
var loaded1a = null
var loaded2a = null
var Comp1 = {
controller: function () {
loaded1 = true
this.onunload = function () {
loaded1 = false
}
},
view: function () {
if (retain) {
return {subtree: "retain"}
} else {
return m("a", {
config: function (el, init, ctx) {
if (!init) {
loaded1a = true
ctx.onunload = function () {
loaded1a = false
}
}
}
})
}
}
}
var Comp2 = {
controller: function () {
loaded2 = true
this.onunload = function () {
loaded2 = false
}
},
view: function () {
if (retain) {
return {subtree: "retain"}
} else {
return m("b", {
config: function (el, init, ctx) {
if (!init) {
loaded2a = true
ctx.onunload = function () {
loaded2a = false
}
}
}
})
}
}
}
var Root = {
view: function () {
return flag ? Comp1 : Comp2
}
}
m.mount(root, Root)
mock.requestAnimationFrame.$resolve()
// loaded 1
var result1 = loaded1 === true &&
loaded2 === null &&
loaded1a === true &&
loaded2a === null
retain = true
m.redraw(true)
mock.requestAnimationFrame.$resolve()
// retained
var result2 = loaded1 === true &&
loaded2 === null &&
loaded1a === true &&
loaded2a === null
flag = false
m.redraw(true)
mock.requestAnimationFrame.$resolve()
// loaded 2 while retained: both controllers are alive at the same time
// because dom element is retained
var result3 = loaded1 === true &&
loaded2 === true &&
loaded1a === true &&
loaded2a === null
retain = false
m.redraw(true)
mock.requestAnimationFrame.$resolve()
// unretained, i.e. 2 is now dynamic
var result4 = loaded1 === false &&
loaded2 === true &&
loaded1a === false &&
loaded2a === true
flag = true
m.redraw(true)
mock.requestAnimationFrame.$resolve()
// loaded 1 while dynamic
var result5 = loaded1 === true &&
loaded2 === false &&
loaded1a === true &&
loaded2a === false
return result1 && result2 && result3 && result4 && result5
})
/*
test(function() {
var root = mock.document.createElement("div")
var redraws = 0, data
var Root = {
view: function() {
return Comp
}
}
var Comp = {
controller: function() {
this.foo = m.request({method: "GET", url: "/foo"})
},
view: function(ctrl) {
redraws++
data = ctrl.foo()
return m("div")
}
}
m.mount(root, Root)
mock.requestAnimationFrame.$resolve()
mock.XMLHttpRequest.$instances.pop().onreadystatechange()
return redraws == 1 && data.url == "/foo"
})
*/
test.print(function (value) {
console.log(value) // eslint-disable-line no-console
})
})()