vue3-yuanma/packages/runtime-core/__tests__/apiOptions.spec.ts
HeYunfei b5b103a736
chore(types): delete @ts-ignore or use @ts-expected-error instead (#3669)
Co-authored-by: heyunfei.i <heyunfei.i@bytedance.com>
2022-05-11 20:40:59 -04:00

1713 lines
36 KiB
TypeScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import {
h,
nodeOps,
render,
serializeInner,
triggerEvent,
TestElement,
nextTick,
renderToString,
ref,
defineComponent,
createApp,
computed
} from '@vue/runtime-test'
describe('api: options', () => {
test('data', async () => {
const Comp = defineComponent({
data() {
return {
foo: 1
}
},
render() {
return h(
'div',
{
onClick: () => {
this.foo++
}
},
this.foo
)
}
})
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(serializeInner(root)).toBe(`<div>1</div>`)
triggerEvent(root.children[0] as TestElement, 'click')
await nextTick()
expect(serializeInner(root)).toBe(`<div>2</div>`)
})
test('computed', async () => {
const Comp = defineComponent({
data() {
return {
foo: 1
}
},
computed: {
bar(): number {
return this.foo + 1
},
baz: (vm): number => vm.bar + 1
},
render() {
return h(
'div',
{
onClick: () => {
this.foo++
}
},
this.bar + this.baz
)
}
})
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(serializeInner(root)).toBe(`<div>5</div>`)
triggerEvent(root.children[0] as TestElement, 'click')
await nextTick()
expect(serializeInner(root)).toBe(`<div>7</div>`)
})
test('methods', async () => {
const Comp = defineComponent({
data() {
// #3300 method on ctx should be overwritable
this.incBy = this.incBy.bind(this, 2)
return {
foo: 1
}
},
methods: {
inc() {
this.foo++
},
incBy(n = 0) {
this.foo += n
}
},
render() {
return h(
'div',
{
onClick: this.inc,
onFoo: this.incBy
},
this.foo
)
}
})
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(serializeInner(root)).toBe(`<div>1</div>`)
triggerEvent(root.children[0] as TestElement, 'click')
await nextTick()
expect(serializeInner(root)).toBe(`<div>2</div>`)
triggerEvent(root.children[0] as TestElement, 'foo')
await nextTick()
expect(serializeInner(root)).toBe(`<div>4</div>`)
})
test('components own methods have higher priority than global properties', async () => {
const app = createApp({
methods: {
foo() {
return 'foo'
}
},
render() {
return this.foo()
}
})
app.config.globalProperties.foo = () => 'bar'
const root = nodeOps.createElement('div')
app.mount(root)
expect(serializeInner(root)).toBe(`foo`)
})
test('watch', async () => {
function returnThis(this: any) {
return this
}
const spyA = jest.fn(returnThis)
const spyB = jest.fn(returnThis)
const spyC = jest.fn(returnThis)
const spyD = jest.fn(returnThis)
const spyE = jest.fn(returnThis)
let ctx: any
const Comp = {
data() {
return {
foo: 1,
bar: 2,
baz: {
qux: 3
},
qux: 4,
dot: {
path: 5
}
}
},
watch: {
// string method name
foo: 'onFooChange',
// direct function
bar: spyB,
baz: {
handler: spyC,
deep: true
},
qux: {
handler: 'onQuxChange'
},
'dot.path': spyE
},
methods: {
onFooChange: spyA,
onQuxChange: spyD
},
render() {
ctx = this
}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
function assertCall(spy: jest.Mock, callIndex: number, args: any[]) {
expect(spy.mock.calls[callIndex].slice(0, 2)).toMatchObject(args)
expect(spy).toHaveReturnedWith(ctx)
}
ctx.foo++
await nextTick()
expect(spyA).toHaveBeenCalledTimes(1)
assertCall(spyA, 0, [2, 1])
ctx.bar++
await nextTick()
expect(spyB).toHaveBeenCalledTimes(1)
assertCall(spyB, 0, [3, 2])
ctx.baz.qux++
await nextTick()
expect(spyC).toHaveBeenCalledTimes(1)
// new and old objects have same identity
assertCall(spyC, 0, [{ qux: 4 }, { qux: 4 }])
ctx.qux++
await nextTick()
expect(spyD).toHaveBeenCalledTimes(1)
assertCall(spyD, 0, [5, 4])
ctx.dot.path++
await nextTick()
expect(spyE).toHaveBeenCalledTimes(1)
assertCall(spyE, 0, [6, 5])
})
test('watch array', async () => {
function returnThis(this: any) {
return this
}
const spyA = jest.fn(returnThis)
const spyB = jest.fn(returnThis)
const spyC = jest.fn(returnThis)
let ctx: any
const Comp = {
data() {
return {
foo: 1,
bar: 2,
baz: {
qux: 3
}
}
},
watch: {
// string method name
foo: ['onFooChange'],
// direct function
bar: [spyB],
baz: [
{
handler: spyC,
deep: true
}
]
},
methods: {
onFooChange: spyA
},
render() {
ctx = this
}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
function assertCall(spy: jest.Mock, callIndex: number, args: any[]) {
expect(spy.mock.calls[callIndex].slice(0, 2)).toMatchObject(args)
expect(spy).toHaveReturnedWith(ctx)
}
ctx.foo++
await nextTick()
expect(spyA).toHaveBeenCalledTimes(1)
assertCall(spyA, 0, [2, 1])
ctx.bar++
await nextTick()
expect(spyB).toHaveBeenCalledTimes(1)
assertCall(spyB, 0, [3, 2])
ctx.baz.qux++
await nextTick()
expect(spyC).toHaveBeenCalledTimes(1)
// new and old objects have same identity
assertCall(spyC, 0, [{ qux: 4 }, { qux: 4 }])
})
// #3966
test('watch merging from mixins', async () => {
const mixinA = {
data() {
return {
fromMixinA: ''
}
},
watch: {
obj: {
handler(this: any, to: any) {
this.fromMixinA = to
}
}
}
}
const mixinB = {
data() {
return {
fromMixinB: ''
}
},
watch: {
obj: 'setMixinB'
},
methods: {
setMixinB(this: any, to: any) {
this.fromMixinB = to
}
}
}
let vm: any
const Comp = {
render() {},
mixins: [mixinA, mixinB],
data: () => ({
obj: 'foo',
fromComp: ''
}),
watch: {
obj(this: any, to: any) {
this.fromComp = to
}
},
mounted() {
vm = this
}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
vm.obj = 'bar'
await nextTick()
expect(vm.fromComp).toBe('bar')
expect(vm.fromMixinA).toBe('bar')
expect(vm.fromMixinB).toBe('bar')
})
test('provide/inject', () => {
const symbolKey = Symbol()
const Root = defineComponent({
data() {
return {
a: 1
}
},
provide() {
return {
a: this.a,
[symbolKey]: 2
}
},
render() {
return [
h(ChildA),
h(ChildB),
h(ChildC),
h(ChildD),
h(ChildE),
h(ChildF),
h(ChildG),
h(ChildH),
h(ChildI),
h(ChildJ)
]
}
})
const defineChild = (injectOptions: any, injectedKey = 'b') =>
({
inject: injectOptions,
render() {
return this[injectedKey]
}
} as any)
const ChildA = defineChild(['a'], 'a')
const ChildB = defineChild({ b: 'a' })
const ChildC = defineChild({
b: {
from: 'a'
}
})
const ChildD = defineChild(
{
a: {
default: () => 0
}
},
'a'
)
const ChildE = defineChild({
b: {
from: 'c',
default: 2
}
})
const ChildF = defineChild({
b: {
from: 'c',
default: () => 3
}
})
const ChildG = defineChild({
b: {
default: 4
}
})
const ChildH = defineChild({
b: {
default: () => 5
}
})
const ChildI = defineChild({
b: symbolKey
})
const ChildJ = defineChild({
b: {
from: symbolKey
}
})
expect(renderToString(h(Root))).toBe(`1111234522`)
})
test('provide/inject refs', async () => {
const n = ref(0)
const np = computed(() => n.value + 1)
const Parent = defineComponent({
provide() {
return {
n,
np
}
},
render: () => h(Child)
})
const Child = defineComponent({
inject: ['n', 'np'],
render(this: any) {
return this.n + this.np
}
})
const app = createApp(Parent)
// TODO remove in 3.3
app.config.unwrapInjectedRef = true
const root = nodeOps.createElement('div')
app.mount(root)
expect(serializeInner(root)).toBe(`1`)
n.value++
await nextTick()
expect(serializeInner(root)).toBe(`3`)
})
// TODO remove in 3.3
test('provide/inject refs (compat)', async () => {
const n = ref(0)
const np = computed(() => n.value + 1)
const Parent = defineComponent({
provide() {
return {
n,
np
}
},
render: () => h(Child)
})
const Child = defineComponent({
inject: ['n', 'np'],
render(this: any) {
return this.n.value + this.np.value
}
})
const app = createApp(Parent)
const root = nodeOps.createElement('div')
app.mount(root)
expect(serializeInner(root)).toBe(`1`)
n.value++
await nextTick()
expect(serializeInner(root)).toBe(`3`)
expect(`injected property "n" is a ref`).toHaveBeenWarned()
expect(`injected property "np" is a ref`).toHaveBeenWarned()
})
test('provide accessing data in extends', () => {
const Base = defineComponent({
data() {
return {
a: 1
}
},
provide() {
return {
a: this.a
}
}
})
const Child = {
inject: ['a'],
render() {
return (this as any).a
}
}
const Root = defineComponent({
extends: Base,
render() {
return h(Child)
}
})
expect(renderToString(h(Root))).toBe(`1`)
})
test('lifecycle', async () => {
const count = ref(0)
const root = nodeOps.createElement('div')
const calls: string[] = []
const Root = {
beforeCreate() {
calls.push('root beforeCreate')
},
created() {
calls.push('root created')
},
beforeMount() {
calls.push('root onBeforeMount')
},
mounted() {
calls.push('root onMounted')
},
beforeUpdate() {
calls.push('root onBeforeUpdate')
},
updated() {
calls.push('root onUpdated')
},
beforeUnmount() {
calls.push('root onBeforeUnmount')
},
unmounted() {
calls.push('root onUnmounted')
},
render() {
return h(Mid, { count: count.value })
}
}
const Mid = {
beforeCreate() {
calls.push('mid beforeCreate')
},
created() {
calls.push('mid created')
},
beforeMount() {
calls.push('mid onBeforeMount')
},
mounted() {
calls.push('mid onMounted')
},
beforeUpdate() {
calls.push('mid onBeforeUpdate')
},
updated() {
calls.push('mid onUpdated')
},
beforeUnmount() {
calls.push('mid onBeforeUnmount')
},
unmounted() {
calls.push('mid onUnmounted')
},
render(this: any) {
return h(Child, { count: this.$props.count })
}
}
const Child = {
beforeCreate() {
calls.push('child beforeCreate')
},
created() {
calls.push('child created')
},
beforeMount() {
calls.push('child onBeforeMount')
},
mounted() {
calls.push('child onMounted')
},
beforeUpdate() {
calls.push('child onBeforeUpdate')
},
updated() {
calls.push('child onUpdated')
},
beforeUnmount() {
calls.push('child onBeforeUnmount')
},
unmounted() {
calls.push('child onUnmounted')
},
render(this: any) {
return h('div', this.$props.count)
}
}
// mount
render(h(Root), root)
expect(calls).toEqual([
'root beforeCreate',
'root created',
'root onBeforeMount',
'mid beforeCreate',
'mid created',
'mid onBeforeMount',
'child beforeCreate',
'child created',
'child onBeforeMount',
'child onMounted',
'mid onMounted',
'root onMounted'
])
calls.length = 0
// update
count.value++
await nextTick()
expect(calls).toEqual([
'root onBeforeUpdate',
'mid onBeforeUpdate',
'child onBeforeUpdate',
'child onUpdated',
'mid onUpdated',
'root onUpdated'
])
calls.length = 0
// unmount
render(null, root)
expect(calls).toEqual([
'root onBeforeUnmount',
'mid onBeforeUnmount',
'child onBeforeUnmount',
'child onUnmounted',
'mid onUnmounted',
'root onUnmounted'
])
})
test('mixins', () => {
const calls: string[] = []
const mixinA = {
data() {
return {
a: 1
}
},
created(this: any) {
calls.push('mixinA created')
expect(this.a).toBe(1)
expect(this.b).toBe(2)
expect(this.c).toBe(4)
},
mounted() {
calls.push('mixinA mounted')
}
}
const mixinB = {
props: {
bP: {
type: String
}
},
data() {
return {
b: 2
}
},
created(this: any) {
calls.push('mixinB created')
expect(this.a).toBe(1)
expect(this.b).toBe(2)
expect(this.bP).toBeUndefined()
expect(this.c).toBe(4)
expect(this.cP1).toBeUndefined()
},
mounted() {
calls.push('mixinB mounted')
}
}
const mixinC = defineComponent({
props: ['cP1', 'cP2'],
data() {
return {
c: 3
}
},
created() {
calls.push('mixinC created')
// component data() should overwrite mixin field with same key
expect(this.c).toBe(4)
expect(this.cP1).toBeUndefined()
},
mounted() {
calls.push('mixinC mounted')
}
})
const Comp = defineComponent({
props: {
aaa: String
},
mixins: [defineComponent(mixinA), defineComponent(mixinB), mixinC],
data() {
return {
c: 4,
z: 4
}
},
created() {
calls.push('comp created')
expect(this.a).toBe(1)
expect(this.b).toBe(2)
expect(this.bP).toBeUndefined()
expect(this.c).toBe(4)
expect(this.cP2).toBeUndefined()
expect(this.z).toBe(4)
},
mounted() {
calls.push('comp mounted')
},
render() {
return `${this.a}${this.b}${this.c}`
}
})
expect(renderToString(h(Comp))).toBe(`124`)
expect(calls).toEqual([
'mixinA created',
'mixinB created',
'mixinC created',
'comp created',
'mixinA mounted',
'mixinB mounted',
'mixinC mounted',
'comp mounted'
])
})
test('render from mixin', () => {
const Comp = {
mixins: [
{
render: () => 'from mixin'
}
]
}
expect(renderToString(h(Comp))).toBe('from mixin')
})
test('chained mixins in extends', () => {
const calls: string[] = []
const mixinA = {
beforeCreate() {
calls.push('mixinA beforeCreate')
},
created() {
calls.push('mixinA created')
}
}
const extendA = {
mixins: [mixinA],
beforeCreate() {
calls.push('extendA beforeCreate')
},
created() {
calls.push('extendA created')
}
}
const Comp = {
extends: extendA,
render: () => '123',
beforeCreate() {
calls.push('self beforeCreate')
},
created() {
calls.push('self created')
}
}
expect(renderToString(h(Comp))).toBe(`123`)
expect(calls).toEqual([
'mixinA beforeCreate',
'extendA beforeCreate',
'self beforeCreate',
'mixinA created',
'extendA created',
'self created'
])
})
test('chained extends in mixins', () => {
const calls: string[] = []
const extendA = {
beforeCreate() {
calls.push('extendA beforeCreate')
},
created() {
calls.push('extendA created')
}
}
const mixinA = {
extends: extendA,
beforeCreate() {
calls.push('mixinA beforeCreate')
},
created() {
calls.push('mixinA created')
}
}
const Comp = {
mixins: [mixinA],
render: () => '123',
beforeCreate() {
calls.push('self beforeCreate')
},
created() {
calls.push('self created')
}
}
expect(renderToString(h(Comp))).toBe(`123`)
expect(calls).toEqual([
'extendA beforeCreate',
'mixinA beforeCreate',
'self beforeCreate',
'extendA created',
'mixinA created',
'self created'
])
})
test('extends', () => {
const calls: string[] = []
const Base = {
data() {
return {
a: 1,
b: 1
}
},
methods: {
sayA() {}
},
mounted(this: any) {
expect(this.a).toBe(1)
expect(this.b).toBe(2)
calls.push('base')
}
}
const Comp = defineComponent({
extends: defineComponent(Base),
data() {
return {
b: 2
}
},
mounted() {
calls.push('comp')
},
render() {
return `${this.a}${this.b}`
}
})
expect(renderToString(h(Comp))).toBe(`12`)
expect(calls).toEqual(['base', 'comp'])
})
test('extends with mixins', () => {
const calls: string[] = []
const Base = {
data() {
return {
a: 1,
x: 'base'
}
},
methods: {
sayA() {}
},
mounted(this: any) {
expect(this.a).toBe(1)
expect(this.b).toBeTruthy()
expect(this.c).toBe(2)
calls.push('base')
}
}
const Mixin = {
data() {
return {
b: true,
x: 'mixin'
}
},
mounted(this: any) {
expect(this.a).toBe(1)
expect(this.b).toBeTruthy()
expect(this.c).toBe(2)
calls.push('mixin')
}
}
const Comp = defineComponent({
extends: defineComponent(Base),
mixins: [defineComponent(Mixin)],
data() {
return {
c: 2
}
},
mounted() {
calls.push('comp')
},
render() {
return `${this.a}${this.b}${this.c}${this.x}`
}
})
expect(renderToString(h(Comp))).toBe(`1true2mixin`)
expect(calls).toEqual(['base', 'mixin', 'comp'])
})
test('beforeCreate/created in extends and mixins', () => {
const calls: string[] = []
const BaseA = {
beforeCreate() {
calls.push('beforeCreateA')
},
created() {
calls.push('createdA')
}
}
const BaseB = {
extends: BaseA,
beforeCreate() {
calls.push('beforeCreateB')
},
created() {
calls.push('createdB')
}
}
const MixinA = {
beforeCreate() {
calls.push('beforeCreateC')
},
created() {
calls.push('createdC')
}
}
const MixinB = {
mixins: [MixinA],
beforeCreate() {
calls.push('beforeCreateD')
},
created() {
calls.push('createdD')
}
}
const Comp = {
extends: BaseB,
mixins: [MixinB],
beforeCreate() {
calls.push('selfBeforeCreate')
},
created() {
calls.push('selfCreated')
},
render() {}
}
renderToString(h(Comp))
expect(calls).toEqual([
'beforeCreateA',
'beforeCreateB',
'beforeCreateC',
'beforeCreateD',
'selfBeforeCreate',
'createdA',
'createdB',
'createdC',
'createdD',
'selfCreated'
])
})
test('flatten merged options', async () => {
const MixinBase = {
msg1: 'base'
}
const ExtendsBase = {
msg2: 'base'
}
const Mixin = {
mixins: [MixinBase]
}
const Extends = {
extends: ExtendsBase
}
const Comp = defineComponent({
extends: defineComponent(Extends),
mixins: [defineComponent(Mixin)],
render() {
return `${this.$options.msg1},${this.$options.msg2}`
}
})
expect(renderToString(h(Comp))).toBe('base,base')
})
test('options defined in component have higher priority', async () => {
const Mixin = {
msg1: 'base'
}
const Extends = {
msg2: 'base'
}
const Comp = defineComponent({
msg1: 'local',
msg2: 'local',
extends: defineComponent(Extends),
mixins: [defineComponent(Mixin)],
render() {
return `${this.$options.msg1},${this.$options.msg2}`
}
})
expect(renderToString(h(Comp))).toBe('local,local')
})
test('accessing setup() state from options', async () => {
const Comp = defineComponent({
setup() {
return {
count: ref(0)
}
},
data() {
return {
plusOne: (this as any).count + 1
}
},
computed: {
plusTwo(): number {
return this.count + 2
}
},
methods: {
inc() {
this.count++
}
},
render() {
return h(
'div',
{
onClick: this.inc
},
`${this.count},${this.plusOne},${this.plusTwo}`
)
}
})
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(serializeInner(root)).toBe(`<div>0,1,2</div>`)
triggerEvent(root.children[0] as TestElement, 'click')
await nextTick()
expect(serializeInner(root)).toBe(`<div>1,1,3</div>`)
})
// #1016
test('watcher initialization should be deferred in mixins', async () => {
const mixin1 = {
data() {
return {
mixin1Data: 'mixin1'
}
},
methods: {}
}
const watchSpy = jest.fn()
const mixin2 = {
watch: {
mixin3Data: watchSpy
}
}
const mixin3 = {
data() {
return {
mixin3Data: 'mixin3'
}
},
methods: {}
}
let vm: any
const Comp = {
mixins: [mixin1, mixin2, mixin3],
render() {},
created() {
vm = this
}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
// should have no warnings
vm.mixin3Data = 'hello'
await nextTick()
expect(watchSpy.mock.calls[0].slice(0, 2)).toEqual(['hello', 'mixin3'])
})
test('injection from closest ancestor', () => {
const Root = defineComponent({
provide: {
a: 'root'
},
render() {
return [h(Mid), ' ', h(MidWithProvide), ' ', h(MidWithMixinProvide)]
}
})
const Mid = {
render() {
return h(Child)
}
} as any
const MidWithProvide = {
provide: {
a: 'midWithProvide'
},
render() {
return h(Child)
}
} as any
const mixin = {
provide: {
a: 'midWithMixinProvide'
}
}
const MidWithMixinProvide = {
mixins: [mixin],
render() {
return h(Child)
}
} as any
const Child = {
inject: ['a'],
render() {
return this.a
}
} as any
expect(renderToString(h(Root))).toBe(
'root midWithProvide midWithMixinProvide'
)
})
describe('options merge strategies', () => {
test('this.$options.data', () => {
const mixin = {
data() {
return { foo: 1, bar: 2 }
}
}
createApp({
mixins: [mixin],
data() {
return {
foo: 3,
baz: 4
}
},
created() {
expect(this.$options.data).toBeInstanceOf(Function)
expect(this.$options.data()).toEqual({
foo: 3,
bar: 2,
baz: 4
})
},
render: () => null
}).mount(nodeOps.createElement('div'))
})
test('this.$options.inject', () => {
const mixin = {
inject: ['a']
}
const app = createApp({
mixins: [mixin],
inject: { b: 'b', c: { from: 'd' } },
created() {
expect(this.$options.inject.a).toEqual('a')
expect(this.$options.inject.b).toEqual('b')
expect(this.$options.inject.c).toEqual({ from: 'd' })
expect(this.a).toBe(1)
expect(this.b).toBe(2)
expect(this.c).toBe(3)
},
render: () => null
})
app.provide('a', 1)
app.provide('b', 2)
app.provide('d', 3)
app.mount(nodeOps.createElement('div'))
})
test('this.$options.provide', () => {
const mixin = {
provide: {
a: 1
}
}
createApp({
mixins: [mixin],
provide() {
return {
b: 2
}
},
created() {
expect(this.$options.provide).toBeInstanceOf(Function)
expect(this.$options.provide()).toEqual({ a: 1, b: 2 })
},
render: () => null
}).mount(nodeOps.createElement('div'))
})
test('this.$options[lifecycle-name]', () => {
const mixin = {
mounted() {},
beforeUnmount() {},
unmounted() {}
}
createApp({
mixins: [mixin],
mounted() {},
beforeUnmount() {},
unmounted() {},
created() {
expect(this.$options.mounted).toBeInstanceOf(Array)
expect(this.$options.mounted.length).toBe(2)
expect(this.$options.beforeUnmount).toBeInstanceOf(Array)
expect(this.$options.beforeUnmount.length).toBe(2)
expect(this.$options.unmounted).toBeInstanceOf(Array)
expect(this.$options.unmounted.length).toBe(2)
},
render: () => null
}).mount(nodeOps.createElement('div'))
})
test('this.$options[asset-name]', () => {
const mixin = {
components: {
a: {}
},
directives: {
d1: {}
}
}
createApp({
mixins: [mixin],
components: {
b: {}
},
directives: {
d2: {}
},
created() {
expect('a' in this.$options.components).toBe(true)
expect('b' in this.$options.components).toBe(true)
expect('d1' in this.$options.directives).toBe(true)
expect('d2' in this.$options.directives).toBe(true)
},
render: () => null
}).mount(nodeOps.createElement('div'))
})
test('this.$options.methods', () => {
const mixin = {
methods: {
fn1() {}
}
}
createApp({
mixins: [mixin],
methods: {
fn2() {}
},
created() {
expect(this.$options.methods.fn1).toBeInstanceOf(Function)
expect(this.$options.methods.fn2).toBeInstanceOf(Function)
},
render: () => null
}).mount(nodeOps.createElement('div'))
})
test('this.$options.computed', () => {
const mixin = {
computed: {
c1() {}
}
}
createApp({
mixins: [mixin],
computed: {
c2() {}
},
created() {
expect(this.$options.computed.c1).toBeInstanceOf(Function)
expect(this.$options.computed.c2).toBeInstanceOf(Function)
},
render: () => null
}).mount(nodeOps.createElement('div'))
})
// #2791
test('modify $options in the beforeCreate hook', async () => {
const count = ref(0)
const mixin = {
data() {
return { foo: 1 }
},
beforeCreate(this: any) {
if (!this.$options.computed) {
this.$options.computed = {}
}
this.$options.computed.value = () => count.value
}
}
const root = nodeOps.createElement('div')
createApp({
mixins: [mixin],
render(this: any) {
return this.value
}
}).mount(root)
expect(serializeInner(root)).toBe('0')
count.value++
await nextTick()
expect(serializeInner(root)).toBe('1')
})
})
describe('warnings', () => {
test('Expected a function as watch handler', () => {
const Comp = {
watch: {
foo: 'notExistingMethod',
foo2: {
handler: 'notExistingMethod2'
}
},
render() {}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
'Invalid watch handler specified by key "notExistingMethod"'
).toHaveBeenWarned()
expect(
'Invalid watch handler specified by key "notExistingMethod2"'
).toHaveBeenWarned()
})
test('Invalid watch option', () => {
const Comp = {
watch: { foo: true },
render() {}
}
const root = nodeOps.createElement('div')
// @ts-expect-error
render(h(Comp), root)
expect('Invalid watch option: "foo"').toHaveBeenWarned()
})
test('computed with setter and no getter', () => {
const Comp = {
computed: {
foo: {
set() {}
}
},
render() {}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect('Computed property "foo" has no getter.').toHaveBeenWarned()
})
test('assigning to computed with no setter', () => {
let instance: any
const Comp = {
computed: {
foo: {
get() {}
}
},
mounted() {
instance = this
},
render() {}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
instance.foo = 1
expect(
'Write operation failed: computed property "foo" is readonly'
).toHaveBeenWarned()
})
test('inject property is already declared in props', () => {
const Comp = {
data() {
return {
a: 1
}
},
provide() {
return {
a: this.a
}
},
render() {
return [h(ChildA)]
}
} as any
const ChildA = {
props: { a: Number },
inject: ['a'],
render() {
return this.a
}
} as any
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
`Inject property "a" is already defined in Props.`
).toHaveBeenWarned()
})
test('methods property is not a function', () => {
const Comp = {
methods: {
foo: 1
},
render() {}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
`Method "foo" has type "number" in the component definition. ` +
`Did you reference the function correctly?`
).toHaveBeenWarned()
})
test('methods property is already declared in props', () => {
const Comp = {
props: {
foo: Number
},
methods: {
foo() {}
},
render() {}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
`Methods property "foo" is already defined in Props.`
).toHaveBeenWarned()
})
test('methods property is already declared in inject', () => {
const Comp = {
data() {
return {
a: 1
}
},
provide() {
return {
a: this.a
}
},
render() {
return [h(ChildA)]
}
} as any
const ChildA = {
methods: {
a: () => null
},
inject: ['a'],
render() {
return this.a
}
} as any
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
`Methods property "a" is already defined in Inject.`
).toHaveBeenWarned()
})
test('data property is already declared in props', () => {
const Comp = {
props: { foo: Number },
data: () => ({
foo: 1
}),
render() {}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
`Data property "foo" is already defined in Props.`
).toHaveBeenWarned()
})
test('data property is already declared in inject', () => {
const Comp = {
data() {
return {
a: 1
}
},
provide() {
return {
a: this.a
}
},
render() {
return [h(ChildA)]
}
} as any
const ChildA = {
data() {
return {
a: 1
}
},
inject: ['a'],
render() {
return this.a
}
} as any
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
`Data property "a" is already defined in Inject.`
).toHaveBeenWarned()
})
test('data property is already declared in methods', () => {
const Comp = {
data: () => ({
foo: 1
}),
methods: {
foo() {}
},
render() {}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
`Data property "foo" is already defined in Methods.`
).toHaveBeenWarned()
})
test('computed property is already declared in props', () => {
const Comp = {
props: { foo: Number },
computed: {
foo() {}
},
render() {}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
`Computed property "foo" is already defined in Props.`
).toHaveBeenWarned()
})
test('computed property is already declared in inject', () => {
const Comp = {
data() {
return {
a: 1
}
},
provide() {
return {
a: this.a
}
},
render() {
return [h(ChildA)]
}
} as any
const ChildA = {
computed: {
a: {
get() {},
set() {}
}
},
inject: ['a'],
render() {
return this.a
}
} as any
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
`Computed property "a" is already defined in Inject.`
).toHaveBeenWarned()
})
test('computed property is already declared in methods', () => {
const Comp = {
computed: {
foo() {}
},
methods: {
foo() {}
},
render() {}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
`Computed property "foo" is already defined in Methods.`
).toHaveBeenWarned()
})
test('computed property is already declared in data', () => {
const Comp = {
data: () => ({
foo: 1
}),
computed: {
foo() {}
},
render() {}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(
`Computed property "foo" is already defined in Data.`
).toHaveBeenWarned()
})
})
})