71 lines
1.7 KiB
JavaScript
71 lines
1.7 KiB
JavaScript
"use strict"
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var o = require("ospec")
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var domMock = require("../../test-utils/domMock")
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var vdom = require("../../render/render")
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var m = require("../../render/hyperscript")
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var fragment = require("../../render/fragment")
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o.spec("updateFragment", function() {
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var $window, root, render
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o.beforeEach(function() {
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$window = domMock()
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root = $window.document.createElement("div")
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render = vdom($window)
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})
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o("updates fragment", function() {
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var vnode = fragment(m("a"))
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var updated = fragment(m("b"))
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render(root, vnode)
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render(root, updated)
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o(updated.dom).equals(root.firstChild)
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o(updated.dom.nodeName).equals("B")
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})
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o("adds els", function() {
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var vnode = fragment()
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var updated = fragment(m("a"), m("b"))
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render(root, vnode)
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render(root, updated)
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o(updated.dom).equals(root.firstChild)
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o(updated.domSize).equals(2)
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o(root.childNodes.length).equals(2)
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o(root.childNodes[0].nodeName).equals("A")
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o(root.childNodes[1].nodeName).equals("B")
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})
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o("removes els", function() {
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var vnode = fragment(m("a"), m("b"))
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var updated = fragment()
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render(root, vnode)
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render(root, updated)
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o(updated.dom).equals(null)
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o(updated.domSize).equals(0)
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o(root.childNodes.length).equals(0)
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})
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o("updates from childless fragment", function() {
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var vnode = fragment()
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var updated = fragment(m("a"))
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render(root, vnode)
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render(root, updated)
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o(updated.dom).equals(root.firstChild)
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o(updated.dom.nodeName).equals("A")
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})
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o("updates to childless fragment", function() {
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var vnode = fragment(m("a"))
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var updated = fragment()
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render(root, vnode)
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render(root, updated)
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o(updated.dom).equals(null)
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o(root.childNodes.length).equals(0)
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})
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})
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