test: test for options API

This commit is contained in:
Evan You 2019-09-04 18:16:11 -04:00
parent 7cd33587ba
commit 13298bc4fa
3 changed files with 349 additions and 14 deletions

View File

@ -1,17 +1,344 @@
import {
h,
nodeOps,
render,
serializeInner,
triggerEvent,
TestElement,
nextTick,
renderToString,
ref
} from '@vue/runtime-test'
describe('api: options', () => {
test('data', () => {})
test('data', async () => {
const Comp = {
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>`)
test('computed', () => {})
triggerEvent(root.children[0] as TestElement, 'click')
await nextTick()
expect(serializeInner(root)).toBe(`<div>2</div>`)
})
test('methods', () => {})
test('computed', async () => {
const Comp = {
data() {
return {
foo: 1
}
},
computed: {
bar() {
return this.foo + 1
},
baz() {
return this.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>`)
test('watch', () => {})
triggerEvent(root.children[0] as TestElement, 'click')
await nextTick()
expect(serializeInner(root)).toBe(`<div>7</div>`)
})
test('provide/inject', () => {})
test('methods', async () => {
const Comp = {
data() {
return {
foo: 1
}
},
methods: {
inc() {
this.foo++
}
},
render() {
return h(
'div',
{
onClick: this.inc
},
this.foo
)
}
}
const root = nodeOps.createElement('div')
render(h(Comp), root)
expect(serializeInner(root)).toBe(`<div>1</div>`)
test('mixins', () => {})
triggerEvent(root.children[0] as TestElement, 'click')
await nextTick()
expect(serializeInner(root)).toBe(`<div>2</div>`)
})
test('extends', () => {})
test('watch', async () => {
function returnThis() {
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)
}
assertCall(spyA, 0, [1, undefined])
assertCall(spyB, 0, [2, undefined])
assertCall(spyC, 0, [{ qux: 3 }, undefined])
expect(spyA).toHaveReturnedWith(ctx)
expect(spyB).toHaveReturnedWith(ctx)
expect(spyC).toHaveReturnedWith(ctx)
ctx.foo++
await nextTick()
expect(spyA).toHaveBeenCalledTimes(2)
assertCall(spyA, 1, [2, 1])
ctx.bar++
await nextTick()
expect(spyB).toHaveBeenCalledTimes(2)
assertCall(spyB, 1, [3, 2])
ctx.baz.qux++
await nextTick()
expect(spyC).toHaveBeenCalledTimes(2)
// new and old objects have same identity
assertCall(spyC, 1, [{ qux: 4 }, { qux: 4 }])
})
test('provide/inject', () => {
const Root = {
data() {
return {
a: 1
}
},
provide() {
return {
a: this.a
}
},
render() {
return [h(ChildA), h(ChildB), h(ChildC), h(ChildD)]
}
}
const ChildA = {
inject: ['a'],
render() {
return this.a
}
}
const ChildB = {
// object alias
inject: { b: 'a' },
render() {
return this.b
}
}
const ChildC = {
inject: {
b: {
from: 'a'
}
},
render() {
return this.b
}
}
const ChildD = {
inject: {
b: {
from: 'c',
default: 2
}
},
render() {
return this.b
}
}
expect(renderToString(h(Root))).toBe(`<!---->1112<!---->`)
})
test('lifecycle', () => {})
test('mixins', () => {
const calls: string[] = []
const mixinA = {
data() {
return {
a: 1
}
},
mounted() {
calls.push('mixinA')
}
}
const mixinB = {
data() {
return {
b: 2
}
},
mounted() {
calls.push('mixinB')
}
}
const Comp = {
mixins: [mixinA, mixinB],
data() {
return {
c: 3
}
},
mounted() {
calls.push('comp')
},
render() {
return `${this.a}${this.b}${this.c}`
}
}
expect(renderToString(h(Comp))).toBe(`123`)
expect(calls).toEqual(['mixinA', 'mixinB', 'comp'])
})
test('extends', () => {
const calls: string[] = []
const Base = {
data() {
return {
a: 1
}
},
mounted() {
calls.push('base')
}
}
const Comp = {
extends: Base,
data() {
return {
b: 2
}
},
mounted() {
calls.push('comp')
},
render() {
return `${this.a}${this.b}`
}
}
expect(renderToString(h(Comp))).toBe(`12`)
expect(calls).toEqual(['base', 'comp'])
})
test('accessing setup() state from options', async () => {
const Comp = {
setup() {
return {
count: ref(0)
}
},
data() {
return {
plusOne: this.count + 1
}
},
computed: {
plusTwo() {
return this.count + 2
}
},
methods: {
inc() {
this.count++
}
},
render() {
return h(
'div',
{
onClick: this.inc
},
`${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>`)
})
})

View File

@ -28,7 +28,7 @@ import {
onBeforeUnmount,
onUnmounted
} from './apiLifecycle'
import { DebuggerEvent } from '@vue/reactivity'
import { DebuggerEvent, reactive } from '@vue/reactivity'
import { warn } from './warning'
// TODO legacy component definition also supports constructors with .options
@ -83,7 +83,7 @@ export function applyOptions(
asMixin: boolean = false
) {
const data =
instance.data === EMPTY_OBJ ? (instance.data = {}) : instance.data
instance.data === EMPTY_OBJ ? (instance.data = reactive({})) : instance.data
const ctx = instance.renderProxy as any
const {
// composition
@ -135,7 +135,13 @@ export function applyOptions(
}
if (computedOptions) {
for (const key in computedOptions) {
data[key] = computed(computedOptions[key] as any)
const opt = computedOptions[key]
data[key] = isFunction(opt)
? computed(opt.bind(ctx))
: computed({
get: opt.get.bind(ctx),
set: opt.set.bind(ctx)
})
}
}
if (methods) {
@ -148,9 +154,9 @@ export function applyOptions(
const raw = watchOptions[key]
const getter = () => ctx[key]
if (isString(raw)) {
const handler = data[key]
const handler = data[raw]
if (isFunction(handler)) {
watch(getter, handler.bind(ctx))
watch(getter, handler as any)
} else if (__DEV__) {
// TODO warn invalid watch handler path
}

View File

@ -337,7 +337,7 @@ export function setupStatefulComponent(instance: ComponentInstance) {
// setup returned bindings.
// assuming a render function compiled from template is present.
if (isObject(setupResult)) {
instance.data = setupResult
instance.data = reactive(setupResult)
} else if (__DEV__ && setupResult !== undefined) {
warn(
`setup() should return an object. Received: ${
@ -360,7 +360,9 @@ export function setupStatefulComponent(instance: ComponentInstance) {
if (__FEATURE_OPTIONS__) {
applyOptions(instance, Component)
}
instance.data = reactive(instance.data === EMPTY_OBJ ? {} : instance.data)
if (instance.data === EMPTY_OBJ) {
instance.data = reactive({})
}
currentInstance = null
}