394 lines
12 KiB
TypeScript
394 lines
12 KiB
TypeScript
import {
|
|
reactive,
|
|
immutable,
|
|
toRaw,
|
|
isReactive,
|
|
isImmutable,
|
|
markNonReactive,
|
|
markImmutable,
|
|
lock,
|
|
unlock,
|
|
effect
|
|
} from '../src'
|
|
|
|
describe('observer/immutable', () => {
|
|
let warn: any
|
|
|
|
beforeEach(() => {
|
|
warn = jest.spyOn(console, 'warn')
|
|
warn.mockImplementation(() => {})
|
|
})
|
|
|
|
afterEach(() => {
|
|
warn.mockRestore()
|
|
})
|
|
|
|
describe('Object', () => {
|
|
it('should make nested values immutable', () => {
|
|
const original = { foo: 1, bar: { baz: 2 } }
|
|
const observed = immutable(original)
|
|
expect(observed).not.toBe(original)
|
|
expect(isReactive(observed)).toBe(true)
|
|
expect(isImmutable(observed)).toBe(true)
|
|
expect(isReactive(original)).toBe(false)
|
|
expect(isImmutable(original)).toBe(false)
|
|
expect(isReactive(observed.bar)).toBe(true)
|
|
expect(isImmutable(observed.bar)).toBe(true)
|
|
expect(isReactive(original.bar)).toBe(false)
|
|
expect(isImmutable(original.bar)).toBe(false)
|
|
// get
|
|
expect(observed.foo).toBe(1)
|
|
// has
|
|
expect('foo' in observed).toBe(true)
|
|
// ownKeys
|
|
expect(Object.keys(observed)).toEqual(['foo', 'bar'])
|
|
})
|
|
|
|
it('should not allow mutation', () => {
|
|
const observed = immutable({ foo: 1, bar: { baz: 2 } })
|
|
observed.foo = 2
|
|
expect(observed.foo).toBe(1)
|
|
expect(warn).toHaveBeenCalledTimes(1)
|
|
observed.bar.baz = 3
|
|
expect(observed.bar.baz).toBe(2)
|
|
expect(warn).toHaveBeenCalledTimes(2)
|
|
delete observed.foo
|
|
expect(observed.foo).toBe(1)
|
|
expect(warn).toHaveBeenCalledTimes(3)
|
|
delete observed.bar.baz
|
|
expect(observed.bar.baz).toBe(2)
|
|
expect(warn).toHaveBeenCalledTimes(4)
|
|
})
|
|
|
|
it('should allow mutation when unlocked', () => {
|
|
const observed: any = immutable({ foo: 1, bar: { baz: 2 } })
|
|
unlock()
|
|
observed.prop = 2
|
|
observed.bar.qux = 3
|
|
delete observed.bar.baz
|
|
delete observed.foo
|
|
lock()
|
|
expect(observed.prop).toBe(2)
|
|
expect(observed.foo).toBeUndefined()
|
|
expect(observed.bar.qux).toBe(3)
|
|
expect('baz' in observed.bar).toBe(false)
|
|
expect(warn).not.toHaveBeenCalled()
|
|
})
|
|
|
|
it('should not trigger effects when locked', () => {
|
|
const observed = immutable({ a: 1 })
|
|
let dummy
|
|
effect(() => {
|
|
dummy = observed.a
|
|
})
|
|
expect(dummy).toBe(1)
|
|
observed.a = 2
|
|
expect(observed.a).toBe(1)
|
|
expect(dummy).toBe(1)
|
|
})
|
|
|
|
it('should trigger effects when unlocked', () => {
|
|
const observed = immutable({ a: 1 })
|
|
let dummy
|
|
effect(() => {
|
|
dummy = observed.a
|
|
})
|
|
expect(dummy).toBe(1)
|
|
unlock()
|
|
observed.a = 2
|
|
lock()
|
|
expect(observed.a).toBe(2)
|
|
expect(dummy).toBe(2)
|
|
})
|
|
})
|
|
|
|
describe('Array', () => {
|
|
it('should make nested values immutable', () => {
|
|
const original: any[] = [{ foo: 1 }]
|
|
const observed = immutable(original)
|
|
expect(observed).not.toBe(original)
|
|
expect(isReactive(observed)).toBe(true)
|
|
expect(isImmutable(observed)).toBe(true)
|
|
expect(isReactive(original)).toBe(false)
|
|
expect(isImmutable(original)).toBe(false)
|
|
expect(isReactive(observed[0])).toBe(true)
|
|
expect(isImmutable(observed[0])).toBe(true)
|
|
expect(isReactive(original[0])).toBe(false)
|
|
expect(isImmutable(original[0])).toBe(false)
|
|
// get
|
|
expect(observed[0].foo).toBe(1)
|
|
// has
|
|
expect(0 in observed).toBe(true)
|
|
// ownKeys
|
|
expect(Object.keys(observed)).toEqual(['0'])
|
|
})
|
|
|
|
it('should not allow mutation', () => {
|
|
const observed: any = immutable([{ foo: 1 }])
|
|
observed[0] = 1
|
|
expect(observed[0]).not.toBe(1)
|
|
expect(warn).toHaveBeenCalledTimes(1)
|
|
observed[0].foo = 2
|
|
expect(observed[0].foo).toBe(1)
|
|
expect(warn).toHaveBeenCalledTimes(2)
|
|
|
|
// should block length mutation
|
|
observed.length = 0
|
|
expect(observed.length).toBe(1)
|
|
expect(observed[0].foo).toBe(1)
|
|
expect(warn).toHaveBeenCalledTimes(3)
|
|
|
|
// mutation methods invoke set/length internally and thus are blocked as well
|
|
observed.push(2)
|
|
expect(observed.length).toBe(1)
|
|
// push triggers two warnings on [1] and .length
|
|
expect(warn).toHaveBeenCalledTimes(5)
|
|
})
|
|
|
|
it('should allow mutation when unlocked', () => {
|
|
const observed: any[] = immutable([{ foo: 1, bar: { baz: 2 } }])
|
|
unlock()
|
|
observed[1] = 2
|
|
observed.push(3)
|
|
observed[0].foo = 2
|
|
observed[0].bar.baz = 3
|
|
lock()
|
|
expect(observed.length).toBe(3)
|
|
expect(observed[1]).toBe(2)
|
|
expect(observed[2]).toBe(3)
|
|
expect(observed[0].foo).toBe(2)
|
|
expect(observed[0].bar.baz).toBe(3)
|
|
expect(warn).not.toHaveBeenCalled()
|
|
})
|
|
|
|
it('should not trigger effects when locked', () => {
|
|
const observed = immutable([{ a: 1 }])
|
|
let dummy
|
|
effect(() => {
|
|
dummy = observed[0].a
|
|
})
|
|
expect(dummy).toBe(1)
|
|
observed[0].a = 2
|
|
expect(observed[0].a).toBe(1)
|
|
expect(dummy).toBe(1)
|
|
observed[0] = { a: 2 }
|
|
expect(observed[0].a).toBe(1)
|
|
expect(dummy).toBe(1)
|
|
})
|
|
|
|
it('should trigger effects when unlocked', () => {
|
|
const observed = immutable([{ a: 1 }])
|
|
let dummy
|
|
effect(() => {
|
|
dummy = observed[0].a
|
|
})
|
|
expect(dummy).toBe(1)
|
|
|
|
unlock()
|
|
|
|
observed[0].a = 2
|
|
expect(observed[0].a).toBe(2)
|
|
expect(dummy).toBe(2)
|
|
|
|
observed[0] = { a: 3 }
|
|
expect(observed[0].a).toBe(3)
|
|
expect(dummy).toBe(3)
|
|
|
|
observed.unshift({ a: 4 })
|
|
expect(observed[0].a).toBe(4)
|
|
expect(dummy).toBe(4)
|
|
lock()
|
|
})
|
|
})
|
|
|
|
const maps = [Map, WeakMap]
|
|
maps.forEach((Collection: any) => {
|
|
describe(Collection.name, () => {
|
|
test('should make nested values immutable', () => {
|
|
const key1 = {}
|
|
const key2 = {}
|
|
const original = new Collection([[key1, {}], [key2, {}]])
|
|
const observed = immutable(original)
|
|
expect(observed).not.toBe(original)
|
|
expect(isReactive(observed)).toBe(true)
|
|
expect(isImmutable(observed)).toBe(true)
|
|
expect(isReactive(original)).toBe(false)
|
|
expect(isImmutable(original)).toBe(false)
|
|
expect(isReactive(observed.get(key1))).toBe(true)
|
|
expect(isImmutable(observed.get(key1))).toBe(true)
|
|
expect(isReactive(original.get(key1))).toBe(false)
|
|
expect(isImmutable(original.get(key1))).toBe(false)
|
|
})
|
|
|
|
test('should not allow mutation & not trigger effect', () => {
|
|
const map = immutable(new Collection())
|
|
const key = {}
|
|
let dummy
|
|
effect(() => {
|
|
dummy = map.get(key)
|
|
})
|
|
expect(dummy).toBeUndefined()
|
|
map.set(key, 1)
|
|
expect(dummy).toBeUndefined()
|
|
expect(map.has(key)).toBe(false)
|
|
expect(warn).toHaveBeenCalledTimes(1)
|
|
})
|
|
|
|
test('should allow mutation & trigger effect when unlocked', () => {
|
|
const map = immutable(new Collection())
|
|
const isWeak = Collection === WeakMap
|
|
const key = {}
|
|
let dummy
|
|
effect(() => {
|
|
dummy = map.get(key) + (isWeak ? 0 : map.size)
|
|
})
|
|
expect(dummy).toBeNaN()
|
|
unlock()
|
|
map.set(key, 1)
|
|
lock()
|
|
expect(dummy).toBe(isWeak ? 1 : 2)
|
|
expect(map.get(key)).toBe(1)
|
|
expect(warn).not.toHaveBeenCalled()
|
|
})
|
|
|
|
if (Collection === Map) {
|
|
test('should retrive immutable values on iteration', () => {
|
|
const key1 = {}
|
|
const key2 = {}
|
|
const original = new Collection([[key1, {}], [key2, {}]])
|
|
const observed = immutable(original)
|
|
for (const [key, value] of observed) {
|
|
expect(isImmutable(key)).toBe(true)
|
|
expect(isImmutable(value)).toBe(true)
|
|
}
|
|
observed.forEach((value: any) => {
|
|
expect(isImmutable(value)).toBe(true)
|
|
})
|
|
for (const value of observed.values()) {
|
|
expect(isImmutable(value)).toBe(true)
|
|
}
|
|
})
|
|
}
|
|
})
|
|
})
|
|
|
|
const sets = [Set, WeakSet]
|
|
sets.forEach((Collection: any) => {
|
|
describe(Collection.name, () => {
|
|
test('should make nested values immutable', () => {
|
|
const key1 = {}
|
|
const key2 = {}
|
|
const original = new Collection([key1, key2])
|
|
const observed = immutable(original)
|
|
expect(observed).not.toBe(original)
|
|
expect(isReactive(observed)).toBe(true)
|
|
expect(isImmutable(observed)).toBe(true)
|
|
expect(isReactive(original)).toBe(false)
|
|
expect(isImmutable(original)).toBe(false)
|
|
expect(observed.has(reactive(key1))).toBe(true)
|
|
expect(original.has(reactive(key1))).toBe(false)
|
|
})
|
|
|
|
test('should not allow mutation & not trigger effect', () => {
|
|
const set = immutable(new Collection())
|
|
const key = {}
|
|
let dummy
|
|
effect(() => {
|
|
dummy = set.has(key)
|
|
})
|
|
expect(dummy).toBe(false)
|
|
set.add(key)
|
|
expect(dummy).toBe(false)
|
|
expect(set.has(key)).toBe(false)
|
|
expect(warn).toHaveBeenCalledTimes(1)
|
|
})
|
|
|
|
test('should allow mutation & trigger effect when unlocked', () => {
|
|
const set = immutable(new Collection())
|
|
const key = {}
|
|
let dummy
|
|
effect(() => {
|
|
dummy = set.has(key)
|
|
})
|
|
expect(dummy).toBe(false)
|
|
unlock()
|
|
set.add(key)
|
|
lock()
|
|
expect(dummy).toBe(true)
|
|
expect(set.has(key)).toBe(true)
|
|
expect(warn).not.toHaveBeenCalled()
|
|
})
|
|
|
|
if (Collection === Set) {
|
|
test('should retrive immutable values on iteration', () => {
|
|
const original = new Collection([{}, {}])
|
|
const observed = immutable(original)
|
|
for (const value of observed) {
|
|
expect(isImmutable(value)).toBe(true)
|
|
}
|
|
observed.forEach((value: any) => {
|
|
expect(isImmutable(value)).toBe(true)
|
|
})
|
|
for (const value of observed.values()) {
|
|
expect(isImmutable(value)).toBe(true)
|
|
}
|
|
for (const [v1, v2] of observed.entries()) {
|
|
expect(isImmutable(v1)).toBe(true)
|
|
expect(isImmutable(v2)).toBe(true)
|
|
}
|
|
})
|
|
}
|
|
})
|
|
})
|
|
|
|
test('calling observable on an immutable should return immutable', () => {
|
|
const a = immutable()
|
|
const b = reactive(a)
|
|
expect(isImmutable(b)).toBe(true)
|
|
// should point to same original
|
|
expect(toRaw(a)).toBe(toRaw(b))
|
|
})
|
|
|
|
test('calling immutable on an observable should return immutable', () => {
|
|
const a = reactive()
|
|
const b = immutable(a)
|
|
expect(isImmutable(b)).toBe(true)
|
|
// should point to same original
|
|
expect(toRaw(a)).toBe(toRaw(b))
|
|
})
|
|
|
|
test('observing already observed value should return same Proxy', () => {
|
|
const original = { foo: 1 }
|
|
const observed = immutable(original)
|
|
const observed2 = immutable(observed)
|
|
expect(observed2).toBe(observed)
|
|
})
|
|
|
|
test('observing the same value multiple times should return same Proxy', () => {
|
|
const original = { foo: 1 }
|
|
const observed = immutable(original)
|
|
const observed2 = immutable(original)
|
|
expect(observed2).toBe(observed)
|
|
})
|
|
|
|
test('markNonReactive', () => {
|
|
const obj = immutable({
|
|
foo: { a: 1 },
|
|
bar: markNonReactive({ b: 2 })
|
|
})
|
|
expect(isReactive(obj.foo)).toBe(true)
|
|
expect(isReactive(obj.bar)).toBe(false)
|
|
})
|
|
|
|
test('markImmutable', () => {
|
|
const obj = reactive({
|
|
foo: { a: 1 },
|
|
bar: markImmutable({ b: 2 })
|
|
})
|
|
expect(isReactive(obj.foo)).toBe(true)
|
|
expect(isReactive(obj.bar)).toBe(true)
|
|
expect(isImmutable(obj.foo)).toBe(false)
|
|
expect(isImmutable(obj.bar)).toBe(true)
|
|
})
|
|
})
|