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test(react-query): use fake timers for ssr-hydration.test.tsx #9058

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Merged
TkDodo merged 1 commit into from
Apr 25, 2025
Merged

test(react-query): use fake timers for ssr-hydration.test.tsx #9058

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11 changes: 7 additions & 4 deletions packages/react-query/src/__tests__/ssr-hydration.test.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ import {
hydrate,
useQuery,
} from '..'
import { createQueryClient, setIsServer, sleep } from './utils'
import { createQueryClient, setIsServer } from './utils'

const ReactHydrate = (element: React.ReactElement, container: Element) => {
let root: any
Expand All @@ -23,7 +23,7 @@ const ReactHydrate = (element: React.ReactElement, container: Element) => {
}

async function fetchData<TData>(value: TData, ms?: number): Promise<TData> {
await sleep(ms || 1)
await vi.advanceTimersByTimeAsync(ms || 1)
return value
}

Expand All @@ -36,12 +36,15 @@ describe('Server side rendering with de/rehydration', () => {
beforeAll(() => {
// @ts-expect-error we expect IS_REACT_ACT_ENVIRONMENT to exist
previousIsReactActEnvironment = globalThis.IS_REACT_ACT_ENVIRONMENT = true
vi.useFakeTimers()
})

afterAll(() => {
// @ts-expect-error we expect IS_REACT_ACT_ENVIRONMENT to exist
globalThis.IS_REACT_ACT_ENVIRONMENT = previousIsReactActEnvironment
vi.useRealTimers()
})

it('should not mismatch on success', async () => {
const consoleMock = vi.spyOn(console, 'error')
consoleMock.mockImplementation(() => undefined)
Expand Down Expand Up @@ -185,7 +188,7 @@ describe('Server side rendering with de/rehydration', () => {
expect(consoleMock).toHaveBeenCalledTimes(0)
expect(fetchDataError).toHaveBeenCalledTimes(2)
expect(el.innerHTML).toBe(expectedMarkup)
await sleep(50)
await vi.advanceTimersByTimeAsync(50)
expect(fetchDataError).toHaveBeenCalledTimes(2)
expect(el.innerHTML).toBe(
'ErrorComponent - status:error fetching:false data:undefined',
Expand Down Expand Up @@ -253,7 +256,7 @@ describe('Server side rendering with de/rehydration', () => {
expect(consoleMock).toHaveBeenCalledTimes(0)
expect(fetchDataSuccess).toHaveBeenCalledTimes(1)
expect(el.innerHTML).toBe(expectedMarkup)
await sleep(50)
await vi.advanceTimersByTimeAsync(50)
expect(fetchDataSuccess).toHaveBeenCalledTimes(1)
expect(el.innerHTML).toBe(
'SuccessComponent - status:success fetching:false data:success!',
Expand Down
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