vue3-yuanma/packages/runtime-core/__tests__/componentProxy.spec.ts

133 lines
3.3 KiB
TypeScript

import {
createApp,
getCurrentInstance,
nodeOps,
mockWarn
} from '@vue/runtime-test'
import { ComponentInternalInstance } from '../src/component'
describe('component: proxy', () => {
mockWarn()
it('data', () => {
const app = createApp()
let instance: ComponentInternalInstance
let instanceProxy: any
const Comp = {
data() {
return {
foo: 1
}
},
mounted() {
instance = getCurrentInstance()!
instanceProxy = this
},
render() {
return null
}
}
app.mount(Comp, nodeOps.createElement('div'))
expect(instanceProxy.foo).toBe(1)
instanceProxy.foo = 2
expect(instance!.data.foo).toBe(2)
})
it('renderContext', () => {
const app = createApp()
let instance: ComponentInternalInstance
let instanceProxy: any
const Comp = {
setup() {
return {
foo: 1
}
},
mounted() {
instance = getCurrentInstance()!
instanceProxy = this
},
render() {
return null
}
}
app.mount(Comp, nodeOps.createElement('div'))
expect(instanceProxy.foo).toBe(1)
instanceProxy.foo = 2
expect(instance!.renderContext.foo).toBe(2)
})
it('propsProxy', () => {
const app = createApp()
let instance: ComponentInternalInstance
let instanceProxy: any
const Comp = {
props: {
foo: {
type: Number,
default: 1
}
},
setup() {
return () => null
},
mounted() {
instance = getCurrentInstance()!
instanceProxy = this
}
}
app.mount(Comp, nodeOps.createElement('div'))
expect(instanceProxy.foo).toBe(1)
expect(instance!.propsProxy!.foo).toBe(1)
expect(() => (instanceProxy.foo = 2)).toThrow(TypeError)
expect(`Attempting to mutate prop "foo"`).toHaveBeenWarned()
})
it('methods', () => {
const app = createApp()
let instance: ComponentInternalInstance
let instanceProxy: any
const Comp = {
setup() {
return () => null
},
mounted() {
instance = getCurrentInstance()!
instanceProxy = this
}
}
app.mount(Comp, nodeOps.createElement('div'))
expect(instanceProxy.$data).toBe(instance!.data)
expect(instanceProxy.$props).toBe(instance!.propsProxy)
expect(instanceProxy.$attrs).toBe(instance!.attrs)
expect(instanceProxy.$slots).toBe(instance!.slots)
expect(instanceProxy.$refs).toBe(instance!.refs)
expect(instanceProxy.$parent).toBe(instance!.parent)
expect(instanceProxy.$root).toBe(instance!.root)
expect(instanceProxy.$emit).toBe(instance!.emit)
expect(instanceProxy.$el).toBe(instance!.vnode.el)
expect(instanceProxy.$options).toBe(instance!.type)
expect(() => (instanceProxy.$data = {})).toThrow(TypeError)
expect(`Attempting to mutate public property "$data"`).toHaveBeenWarned()
})
it('user', async () => {
const app = createApp()
let instance: ComponentInternalInstance
let instanceProxy: any
const Comp = {
setup() {
return () => null
},
mounted() {
instance = getCurrentInstance()!
instanceProxy = this
}
}
app.mount(Comp, nodeOps.createElement('div'))
instanceProxy.foo = 1
expect(instanceProxy.foo).toBe(1)
expect(instance!.user.foo).toBe(1)
})
})