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import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest'
import { fireEvent, render } from '@testing-library/svelte'
import { sleep } from '@tanstack/query-test-utils'
import ResetExample from './ResetExample.svelte'
import OnSuccessExample from './OnSuccessExample.svelte'
import FailureExample from './FailureExample.svelte'
describe('createMutation', () => {
beforeEach(() => {
vi.useFakeTimers()
})
afterEach(() => {
vi.useRealTimers()
})
test('Able to reset `error`', async () => {
const rendered = render(ResetExample)
expect(rendered.queryByText('Error: undefined')).toBeInTheDocument()
fireEvent.click(rendered.getByRole('button', { name: /Mutate/i }))
await vi.advanceTimersByTimeAsync(11)
expect(rendered.getByText('Error: Expected mock error')).toBeInTheDocument()
fireEvent.click(rendered.getByRole('button', { name: /Reset/i }))
await vi.advanceTimersByTimeAsync(11)
expect(rendered.getByText('Error: undefined')).toBeInTheDocument()
})
test('Able to call `onSuccess` and `onSettled` after each successful mutate', async () => {
const onSuccessMock = vi.fn()
const onSettledMock = vi.fn()
const rendered = render(OnSuccessExample, {
props: {
onSuccessMock,
onSettledMock,
},
})
expect(rendered.queryByText('Count: 0')).toBeInTheDocument()
fireEvent.click(rendered.getByRole('button', { name: /Mutate/i }))
fireEvent.click(rendered.getByRole('button', { name: /Mutate/i }))
fireEvent.click(rendered.getByRole('button', { name: /Mutate/i }))
await vi.advanceTimersByTimeAsync(11)
expect(rendered.queryByText('Count: 3')).toBeInTheDocument()
expect(onSuccessMock).toHaveBeenCalledTimes(3)
expect(onSuccessMock).toHaveBeenCalledWith(1)
expect(onSuccessMock).toHaveBeenCalledWith(2)
expect(onSuccessMock).toHaveBeenCalledWith(3)
expect(onSettledMock).toHaveBeenCalledTimes(3)
expect(onSettledMock).toHaveBeenCalledWith(1)
expect(onSettledMock).toHaveBeenCalledWith(2)
expect(onSettledMock).toHaveBeenCalledWith(3)
})
test('Set correct values for `failureReason` and `failureCount` on multiple mutate calls', async () => {
type Value = { count: number }
const mutationFn = vi.fn<(value: Value) => Promise<Value>>()
mutationFn.mockImplementationOnce(() =>
sleep(20).then(() => Promise.reject(`Expected mock error`)),
)
mutationFn.mockImplementation((value) => sleep(10).then(() => value))
const rendered = render(FailureExample, {
props: {
mutationFn,
},
})
expect(rendered.queryByText('Data: undefined')).toBeInTheDocument()
fireEvent.click(rendered.getByRole('button', { name: /Mutate/i }))
expect(rendered.getByText('Data: undefined')).toBeInTheDocument()
await vi.advanceTimersByTimeAsync(21)
expect(rendered.getByText('Status: error')).toBeInTheDocument()
expect(rendered.getByText('Failure Count: 1')).toBeInTheDocument()
expect(
rendered.getByText('Failure Reason: Expected mock error'),
).toBeInTheDocument()
fireEvent.click(rendered.getByRole('button', { name: /Mutate/i }))
await vi.advanceTimersByTimeAsync(0)
expect(rendered.getByText('Status: pending')).toBeInTheDocument()
await vi.advanceTimersByTimeAsync(11)
expect(rendered.getByText('Status: success')).toBeInTheDocument()
expect(rendered.getByText('Data: 2')).toBeInTheDocument()
expect(rendered.getByText('Failure Count: 0')).toBeInTheDocument()
expect(rendered.getByText('Failure Reason: null')).toBeInTheDocument()
})
})
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