126 lines
2.9 KiB
TypeScript
126 lines
2.9 KiB
TypeScript
import { shallowReactive, isReactive, reactive } from '../src/reactive'
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import { effect } from '../src/effect'
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describe('shallowReactive', () => {
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test('should not make non-reactive properties reactive', () => {
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const props = shallowReactive({ n: { foo: 1 } })
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expect(isReactive(props.n)).toBe(false)
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})
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test('should keep reactive properties reactive', () => {
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const props: any = shallowReactive({ n: reactive({ foo: 1 }) })
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props.n = reactive({ foo: 2 })
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expect(isReactive(props.n)).toBe(true)
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})
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describe('collections', () => {
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test('should be reactive', () => {
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const shallowSet = shallowReactive(new Set())
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const a = {}
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let size
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effect(() => {
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size = shallowSet.size
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})
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expect(size).toBe(0)
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shallowSet.add(a)
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expect(size).toBe(1)
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shallowSet.delete(a)
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expect(size).toBe(0)
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})
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test('should not observe when iterating', () => {
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const shallowSet = shallowReactive(new Set())
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const a = {}
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shallowSet.add(a)
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const spreadA = [...shallowSet][0]
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expect(isReactive(spreadA)).toBe(false)
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})
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test('should not get reactive entry', () => {
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const shallowMap = shallowReactive(new Map())
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const a = {}
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const key = 'a'
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shallowMap.set(key, a)
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expect(isReactive(shallowMap.get(key))).toBe(false)
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})
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test('should not get reactive on foreach', () => {
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const shallowSet = shallowReactive(new Set())
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const a = {}
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shallowSet.add(a)
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shallowSet.forEach(x => expect(isReactive(x)).toBe(false))
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})
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// #1210
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test('onTrack on called on objectSpread', () => {
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const onTrackFn = jest.fn()
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const shallowSet = shallowReactive(new Set())
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let a
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effect(
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() => {
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a = Array.from(shallowSet)
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},
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{
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onTrack: onTrackFn
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}
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)
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expect(a).toMatchObject([])
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expect(onTrackFn).toHaveBeenCalled()
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})
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})
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describe('array', () => {
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test('should be reactive', () => {
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const shallowArray = shallowReactive<unknown[]>([])
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const a = {}
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let size
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effect(() => {
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size = shallowArray.length
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})
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expect(size).toBe(0)
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shallowArray.push(a)
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expect(size).toBe(1)
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shallowArray.pop()
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expect(size).toBe(0)
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})
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test('should not observe when iterating', () => {
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const shallowArray = shallowReactive<object[]>([])
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const a = {}
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shallowArray.push(a)
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const spreadA = [...shallowArray][0]
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expect(isReactive(spreadA)).toBe(false)
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})
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test('onTrack on called on objectSpread', () => {
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const onTrackFn = jest.fn()
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const shallowArray = shallowReactive([])
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let a
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effect(
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() => {
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a = Array.from(shallowArray)
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},
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{
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onTrack: onTrackFn
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}
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)
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expect(a).toMatchObject([])
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expect(onTrackFn).toHaveBeenCalled()
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})
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})
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})
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