94 lines
2.0 KiB
TypeScript
94 lines
2.0 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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test.todo('componentProps')
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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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onBar: () => 1,
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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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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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})
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