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✅ test: add unit test for atomWithReset utility #2753

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merged 3 commits into from
Sep 27, 2024
Merged

✅ test: add unit test for atomWithReset utility #2753

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:white_check_mark: test: add unit test for atomWithReset utility
vangie Sep 27, 2024
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vangie Sep 27, 2024
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vangie Sep 27, 2024
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@vangie
vangie committed Sep 27, 2024
commit d26dc2314589eb37e6ef1dd672a15800d243cb90
21 changes: 0 additions & 21 deletions tests/vanilla/utils/atomWithReset.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -12,45 +12,24 @@ describe('atomWithReset', () => {
testAtom = atomWithReset(initialValue)
})

it('should create an atom with initial value', () => {
const { init } = testAtom
expect(init).toBe(initialValue)
})

it('should reset to initial value using RESET', () => {
const store = createStore()
store.set(testAtom, 123)
store.set(testAtom, RESET)
expect(store.get(testAtom)).toBe(initialValue)

const set = vi.fn()
const get = vi.fn(() => 20)
testAtom.write(get, set, RESET)
expect(set).toHaveBeenCalledWith(testAtom, initialValue)
})

it('should update atom with a new value', () => {
const store = createStore()
store.set(testAtom, 123)
store.set(testAtom, 30)
expect(store.get(testAtom)).toBe(30)

const set = vi.fn()
const get = vi.fn(() => 20)
testAtom.write(get, set, 30)
expect(set).toHaveBeenCalledWith(testAtom, 30)
})

it('should update atom using a function', () => {
const store = createStore()
store.set(testAtom, 123)
store.set(testAtom, (prev: number) => prev + 10)
expect(store.get(testAtom)).toBe(133)

const set = vi.fn()
const get = vi.fn(() => 20)
const updateFn = (prev: number) => prev + 10
testAtom.write(get, set, updateFn)
expect(set).toHaveBeenCalledWith(testAtom, 30)
})
})