2020-05-26 18:17:24 +02:00

115 lines
2.9 KiB
JavaScript

"use strict"
var o = require("../../ospec/ospec")
var domMock = require("../../test-utils/domMock")
var vdom = require("../../render/render")
o.spec("updateText", function() {
var $window, root, render
o.beforeEach(function() {
$window = domMock()
root = $window.document.createElement("div")
render = vdom($window).render
})
o("updates to string", function() {
var vnode = {tag: "#", children: "a"}
var updated = {tag: "#", children: "b"}
render(root, [vnode])
render(root, [updated])
o(updated.dom).equals(vnode.dom)
o(updated.dom).equals(root.firstChild)
o(updated.dom.nodeValue).equals("b")
})
o("updates to falsy string", function() {
var vnode = {tag: "#", children: "a"}
var updated = {tag: "#", children: ""}
render(root, [vnode])
render(root, [updated])
o(updated.dom).equals(vnode.dom)
o(updated.dom).equals(root.firstChild)
o(updated.dom.nodeValue).equals("")
})
o("updates from falsy string", function() {
var vnode = {tag: "#", children: ""}
var updated = {tag: "#", children: "b"}
render(root, [vnode])
render(root, [updated])
o(updated.dom).equals(vnode.dom)
o(updated.dom).equals(root.firstChild)
o(updated.dom.nodeValue).equals("b")
})
o("updates to number", function() {
var vnode = {tag: "#", children: "a"}
var updated = {tag: "#", children: 1}
render(root, [vnode])
render(root, [updated])
o(updated.dom).equals(vnode.dom)
o(updated.dom).equals(root.firstChild)
o(updated.dom.nodeValue).equals("1")
})
o("updates to falsy number", function() {
var vnode = {tag: "#", children: "a"}
var updated = {tag: "#", children: 0}
render(root, [vnode])
render(root, [updated])
o(updated.dom).equals(vnode.dom)
o(updated.dom).equals(root.firstChild)
o(updated.dom.nodeValue).equals("0")
})
o("updates from falsy number", function() {
var vnode = {tag: "#", children: 0}
var updated = {tag: "#", children: "b"}
render(root, [vnode])
render(root, [updated])
o(updated.dom).equals(vnode.dom)
o(updated.dom).equals(root.firstChild)
o(updated.dom.nodeValue).equals("b")
})
o("updates to boolean", function() {
var vnode = {tag: "#", children: "a"}
var updated = {tag: "#", children: true}
render(root, [vnode])
render(root, [updated])
o(updated.dom).equals(vnode.dom)
o(updated.dom).equals(root.firstChild)
o(updated.dom.nodeValue).equals("true")
})
o("updates to falsy boolean", function() {
var vnode = {tag: "#", children: "a"}
var updated = {tag: "#", children: false}
render(root, [vnode])
render(root, [updated])
o(updated.dom).equals(vnode.dom)
o(updated.dom).equals(root.firstChild)
o(updated.dom.nodeValue).equals("false")
})
o("updates from falsy boolean", function() {
var vnode = {tag: "#", children: false}
var updated = {tag: "#", children: "b"}
render(root, [vnode])
render(root, [updated])
o(updated.dom).equals(vnode.dom)
o(updated.dom).equals(root.firstChild)
o(updated.dom.nodeValue).equals("b")
})
})