110 lines
3.0 KiB
TypeScript
110 lines
3.0 KiB
TypeScript
import { reactive, isReactive, effect, toRaw } from '../../src'
|
|
|
|
describe('reactivity/collections', () => {
|
|
describe('WeakSet', () => {
|
|
it('instanceof', () => {
|
|
const original = new WeakSet()
|
|
const observed = reactive(original)
|
|
expect(isReactive(observed)).toBe(true)
|
|
expect(original instanceof WeakSet).toBe(true)
|
|
expect(observed instanceof WeakSet).toBe(true)
|
|
})
|
|
|
|
it('should observe mutations', () => {
|
|
let dummy
|
|
const value = {}
|
|
const set = reactive(new WeakSet())
|
|
effect(() => (dummy = set.has(value)))
|
|
|
|
expect(dummy).toBe(false)
|
|
set.add(value)
|
|
expect(dummy).toBe(true)
|
|
set.delete(value)
|
|
expect(dummy).toBe(false)
|
|
})
|
|
|
|
it('should observe mutations with observed value', () => {
|
|
let dummy
|
|
const value = reactive({})
|
|
const set = reactive(new WeakSet())
|
|
effect(() => (dummy = set.has(value)))
|
|
|
|
expect(dummy).toBe(false)
|
|
set.add(value)
|
|
expect(dummy).toBe(true)
|
|
set.delete(value)
|
|
expect(dummy).toBe(false)
|
|
})
|
|
|
|
it('should not observe custom property mutations', () => {
|
|
let dummy
|
|
const set: any = reactive(new WeakSet())
|
|
effect(() => (dummy = set.customProp))
|
|
|
|
expect(dummy).toBe(undefined)
|
|
set.customProp = 'Hello World'
|
|
expect(dummy).toBe(undefined)
|
|
})
|
|
|
|
it('should not observe non value changing mutations', () => {
|
|
let dummy
|
|
const value = {}
|
|
const set = reactive(new WeakSet())
|
|
const setSpy = jest.fn(() => (dummy = set.has(value)))
|
|
effect(setSpy)
|
|
|
|
expect(dummy).toBe(false)
|
|
expect(setSpy).toHaveBeenCalledTimes(1)
|
|
set.add(value)
|
|
expect(dummy).toBe(true)
|
|
expect(setSpy).toHaveBeenCalledTimes(2)
|
|
set.add(value)
|
|
expect(dummy).toBe(true)
|
|
expect(setSpy).toHaveBeenCalledTimes(2)
|
|
set.delete(value)
|
|
expect(dummy).toBe(false)
|
|
expect(setSpy).toHaveBeenCalledTimes(3)
|
|
set.delete(value)
|
|
expect(dummy).toBe(false)
|
|
expect(setSpy).toHaveBeenCalledTimes(3)
|
|
})
|
|
|
|
it('should not observe raw data', () => {
|
|
const value = {}
|
|
let dummy
|
|
const set = reactive(new WeakSet())
|
|
effect(() => (dummy = toRaw(set).has(value)))
|
|
|
|
expect(dummy).toBe(false)
|
|
set.add(value)
|
|
expect(dummy).toBe(false)
|
|
})
|
|
|
|
it('should not be triggered by raw mutations', () => {
|
|
const value = {}
|
|
let dummy
|
|
const set = reactive(new WeakSet())
|
|
effect(() => (dummy = set.has(value)))
|
|
|
|
expect(dummy).toBe(false)
|
|
toRaw(set).add(value)
|
|
expect(dummy).toBe(false)
|
|
})
|
|
|
|
it('should not pollute original Set with Proxies', () => {
|
|
const set = new WeakSet()
|
|
const observed = reactive(set)
|
|
const value = reactive({})
|
|
observed.add(value)
|
|
expect(observed.has(value)).toBe(true)
|
|
expect(set.has(value)).toBe(false)
|
|
})
|
|
|
|
it('should return proxy from WeakSet.add call', () => {
|
|
const set = reactive(new WeakSet())
|
|
const result = set.add({})
|
|
expect(result).toBe(set)
|
|
})
|
|
})
|
|
})
|