/
set-delete.spec.js
170 lines (160 loc) · 5 KB
/
set-delete.spec.js
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import Vue from 'vue'
describe('Global API: set/delete', () => {
describe('Vue.set', () => {
it('should update a vue object', done => {
const vm = new Vue({
template: '<div>{{x}}</div>',
data: { x: 1 }
}).$mount()
expect(vm.$el.innerHTML).toBe('1')
Vue.set(vm, 'x', 2)
waitForUpdate(() => {
expect(vm.$el.innerHTML).toBe('2')
}).then(done)
})
it('should update a observing object', done => {
const vm = new Vue({
template: '<div>{{foo.x}}</div>',
data: { foo: { x: 1 }}
}).$mount()
expect(vm.$el.innerHTML).toBe('1')
Vue.set(vm.foo, 'x', 2)
waitForUpdate(() => {
expect(vm.$el.innerHTML).toBe('2')
}).then(done)
})
it('should update a observing array', done => {
const vm = new Vue({
template: '<div><div v-for="v,k in list">{{k}}-{{v}}</div></div>',
data: { list: ['a', 'b', 'c'] }
}).$mount()
expect(vm.$el.innerHTML).toBe('<div>0-a</div><div>1-b</div><div>2-c</div>')
Vue.set(vm.list, 1, 'd')
waitForUpdate(() => {
expect(vm.$el.innerHTML).toBe('<div>0-a</div><div>1-d</div><div>2-c</div>')
Vue.set(vm.list, '2', 'e')
}).then(() => {
expect(vm.$el.innerHTML).toBe('<div>0-a</div><div>1-d</div><div>2-e</div>')
/* eslint-disable no-new-wrappers */
Vue.set(vm.list, new Number(1), 'f')
}).then(() => {
expect(vm.$el.innerHTML).toBe('<div>0-a</div><div>1-f</div><div>2-e</div>')
Vue.set(vm.list, '3g', 'g')
}).then(() => {
expect(vm.$el.innerHTML).toBe('<div>0-a</div><div>1-f</div><div>2-e</div>')
}).then(done)
})
it('should update a vue object with nothing', done => {
const vm = new Vue({
template: '<div>{{x}}</div>',
data: { x: 1 }
}).$mount()
expect(vm.$el.innerHTML).toBe('1')
Vue.set(vm, 'x', null)
waitForUpdate(() => {
expect(vm.$el.innerHTML).toBe('')
Vue.set(vm, 'x')
}).then(() => {
expect(vm.$el.innerHTML).toBe('')
}).then(done)
})
it('be able to use string type index in array', done => {
const vm = new Vue({
template: '<div><p v-for="obj in lists">{{obj.name}}</p></div>',
data: {
lists: [
{ name: 'A' },
{ name: 'B' },
{ name: 'C' }
]
}
}).$mount()
expect(vm.$el.innerHTML).toBe('<p>A</p><p>B</p><p>C</p>')
Vue.set(vm.lists, '0', { name: 'D' })
waitForUpdate(() => {
expect(vm.$el.innerHTML).toBe('<p>D</p><p>B</p><p>C</p>')
}).then(done)
})
// #6845
it('should not overwrite properties on prototype chain', () => {
class Model {
constructor () {
this._bar = null
}
get bar () {
return this._bar
}
set bar (newvalue) {
this._bar = newvalue
}
}
const vm = new Vue({
data: {
data: new Model()
}
})
Vue.set(vm.data, 'bar', 123)
expect(vm.data.bar).toBe(123)
expect(vm.data.hasOwnProperty('bar')).toBe(false)
expect(vm.data._bar).toBe(123)
})
})
describe('Vue.delete', () => {
it('should delete a key', done => {
const vm = new Vue({
template: '<div>{{obj.x}}</div>',
data: { obj: { x: 1 }}
}).$mount()
expect(vm.$el.innerHTML).toBe('1')
vm.obj.x = 2
waitForUpdate(() => {
expect(vm.$el.innerHTML).toBe('2')
Vue.delete(vm.obj, 'x')
}).then(() => {
expect(vm.$el.innerHTML).toBe('')
vm.obj.x = 3
}).then(() => {
expect(vm.$el.innerHTML).toBe('')
}).then(done)
})
it('be able to delete an item in array', done => {
const vm = new Vue({
template: '<div><p v-for="obj in lists">{{obj.name}}</p></div>',
data: {
lists: [
{ name: 'A' },
{ name: 'B' },
{ name: 'C' }
]
}
}).$mount()
expect(vm.$el.innerHTML).toBe('<p>A</p><p>B</p><p>C</p>')
Vue.delete(vm.lists, 1)
waitForUpdate(() => {
expect(vm.$el.innerHTML).toBe('<p>A</p><p>C</p>')
Vue.delete(vm.lists, NaN)
}).then(() => {
expect(vm.$el.innerHTML).toBe('<p>A</p><p>C</p>')
Vue.delete(vm.lists, -1)
}).then(() => {
expect(vm.$el.innerHTML).toBe('<p>A</p><p>C</p>')
Vue.delete(vm.lists, '1.3')
}).then(() => {
expect(vm.$el.innerHTML).toBe('<p>A</p><p>C</p>')
Vue.delete(vm.lists, true)
}).then(() => {
expect(vm.$el.innerHTML).toBe('<p>A</p><p>C</p>')
Vue.delete(vm.lists, {})
}).then(() => {
expect(vm.$el.innerHTML).toBe('<p>A</p><p>C</p>')
Vue.delete(vm.lists, '1')
}).then(() => {
expect(vm.$el.innerHTML).toBe('<p>A</p>')
/* eslint-disable no-new-wrappers */
Vue.delete(vm.lists, new Number(0))
}).then(() => {
expect(vm.$el.innerHTML).toBe('')
}).then(done)
})
})
})