c7ae269972
close #843
147 lines
3.2 KiB
TypeScript
147 lines
3.2 KiB
TypeScript
import {
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h,
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ref,
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render,
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nodeOps,
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nextTick,
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defineComponent
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} from '@vue/runtime-test'
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describe('renderer: component', () => {
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test.todo('should work')
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test.todo('shouldUpdateComponent')
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test.todo('componentProxy')
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describe('componentProps', () => {
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test.todo('should work')
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test('should convert empty booleans to true', () => {
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let b1: any, b2: any, b3: any
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const Comp = defineComponent({
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props: {
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b1: Boolean,
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b2: [Boolean, String],
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b3: [String, Boolean]
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},
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setup(props) {
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;({ b1, b2, b3 } = props)
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return () => ''
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}
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})
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render(
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h(Comp, <any>{ b1: '', b2: '', b3: '' }),
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nodeOps.createElement('div')
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)
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expect(b1).toBe(true)
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expect(b2).toBe(true)
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expect(b3).toBe('')
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})
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})
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describe('slots', () => {
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test('should respect $stable flag', async () => {
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const flag1 = ref(1)
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const flag2 = ref(2)
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const spy = jest.fn()
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const Child = () => {
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spy()
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return 'child'
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}
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const App = {
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setup() {
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return () => [
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flag1.value,
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h(
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Child,
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{ n: flag2.value },
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{
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foo: () => 'foo',
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$stable: true
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}
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)
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]
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}
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}
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render(h(App), nodeOps.createElement('div'))
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expect(spy).toHaveBeenCalledTimes(1)
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// parent re-render, props didn't change, slots are stable
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// -> child should not update
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flag1.value++
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await nextTick()
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expect(spy).toHaveBeenCalledTimes(1)
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// parent re-render, props changed
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// -> child should update
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flag2.value++
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await nextTick()
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expect(spy).toHaveBeenCalledTimes(2)
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})
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})
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test('emit', async () => {
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let noMatchEmitResult: any
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let singleEmitResult: any
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let multiEmitResult: any
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const Child = defineComponent({
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setup(_, { emit }) {
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noMatchEmitResult = emit('foo')
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singleEmitResult = emit('bar')
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multiEmitResult = emit('baz')
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return () => h('div')
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}
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})
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const App = {
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setup() {
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return () =>
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h(Child, {
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// emit triggering single handler
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onBar: () => 1,
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// emit triggering multiple handlers
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onBaz: [() => Promise.resolve(2), () => Promise.resolve(3)]
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})
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}
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}
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render(h(App), nodeOps.createElement('div'))
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// assert return values from emit
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expect(noMatchEmitResult).toMatchObject([])
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expect(singleEmitResult).toMatchObject([1])
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expect(await Promise.all(multiEmitResult)).toMatchObject([2, 3])
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})
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// for v-model:foo-bar usage in DOM templates
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test('emit update:xxx events should trigger kebab-case equivalent', () => {
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const Child = defineComponent({
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setup(_, { emit }) {
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emit('update:fooBar', 1)
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return () => h('div')
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}
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})
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const handler = jest.fn()
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const App = {
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setup() {
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return () =>
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h(Child, {
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'onUpdate:foo-bar': handler
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})
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}
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}
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render(h(App), nodeOps.createElement('div'))
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expect(handler).toHaveBeenCalled()
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})
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})
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