vue2/test/unit/specs/compiler/transclude_spec.js

142 lines
4.2 KiB
JavaScript

var transclude = require('src/compiler').transclude
var Vue = require('src')
var _ = require('src/util')
describe('Transclude', function () {
var el, options
beforeEach(function () {
el = document.createElement('div')
options = _.extend({}, Vue.options)
})
it('normal', function () {
var res = transclude(el, options)
expect(res).toBe(el)
})
it('template', function () {
options.template = '{{hi}}'
var res = transclude(el, options)
expect(res).toBe(el)
expect(res.innerHTML).toBe('{{hi}}')
})
it('template invalid', function () {
options.template = '#non-existent-stuff'
var res = transclude(el, options)
expect(res).toBeUndefined()
expect('Invalid template option').toHaveBeenWarned()
})
it('template replace', function () {
el.className = 'hello'
options.template = '<div>{{hi}}</div>'
options.replace = true
var res = transclude(el, options)
expect(res).not.toBe(el)
expect(res.tagName).toBe('DIV')
expect(res.className).toBe('hello')
expect(res.innerHTML).toBe('{{hi}}')
})
it('template replace -> fragment instance', function () {
var res
options.replace = true
// multiple root
options.template = '<div></div><div></div>'
res = transclude(el, options)
expect(res.nodeType).toBe(11)
// non-element
options.template = '{{hi}}'
res = transclude(el, options)
expect(res.nodeType).toBe(11)
// single component: <component>
options.template = '<component bind-is="hi"></component>'
res = transclude(el, options)
expect(res.nodeType).toBe(11)
// single component: custom element
options.template = '<test></test>'
options.components = { test: {}}
res = transclude(el, options)
expect(res.nodeType).toBe(11)
// single component: is
options.template = '<div is="test"></div>'
res = transclude(el, options)
expect(res.nodeType).toBe(11)
// element directive
options.template = '<el-dir></el-dir>'
options.elementDirectives = { 'el-dir': {}}
res = transclude(el, options)
expect(res.nodeType).toBe(11)
// v-for
options.template = '<div v-for="item in list"></div>'
res = transclude(el, options)
expect(res.nodeType).toBe(11)
// v-if
options.template = '<div v-if="ok"></div>'
res = transclude(el, options)
expect(res.nodeType).toBe(11)
})
it('direct fragment instance', function () {
var frag = document.createDocumentFragment()
frag.appendChild(el)
var res = transclude(frag, options)
expect(res).toBe(frag)
expect(res.childNodes.length).toBe(3)
expect(res.childNodes[0].nodeType).toBe(3)
expect(res.childNodes[1]).toBe(el)
expect(res.childNodes[2].nodeType).toBe(3)
})
it('template element', function () {
var tpl = document.createElement('template')
tpl.innerHTML = '<div>123</div>'
var res = transclude(tpl, options)
expect(res.nodeType).toBe(11)
expect(res.childNodes.length).toBe(3)
expect(res.childNodes[0].nodeType).toBe(3)
expect(res.childNodes[1].textContent).toBe('123')
expect(res.childNodes[2].nodeType).toBe(3)
})
it('replacer attr should overwrite container attr of same name, except class should be merged', function () {
el.setAttribute('class', 'test other')
el.setAttribute('title', 'parent')
options.template = '<div class="other ok" title="child"></div>'
options.replace = true
options._asComponent = true
var res = transclude(el, options)
expect(res.getAttribute('class')).toBe('other ok test')
expect(res.getAttribute('title')).toBe('child')
})
// #2789
it('empty class merge', () => {
el.setAttribute('class', '')
options.template = '<div class="test"></div>'
options.replace = true
options._asComponent = true
var res = transclude(el, options)
expect(res.getAttribute('class')).toBe('test')
})
it('class merge for svg elements', function () {
el.setAttribute('class', 'test')
options.template = '<circle class="other"></circle>'
options.replace = true
options._asComponent = true
var res = transclude(el, options)
expect(res.namespaceURI).toBe('http://www.w3.org/2000/svg')
expect(res.getAttribute('class')).toBe('other test')
})
})