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import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest'
import { render } from '@testing-library/svelte'
import { get, writable } from 'svelte/store'
import BaseExample from './BaseExample.svelte'
import SelectExample from './SelectExample.svelte'
import type { Writable } from 'svelte/store'
import type { QueryObserverResult } from '@tanstack/query-core'
describe('createInfiniteQuery', () => {
beforeEach(() => {
vi.useFakeTimers()
})
afterEach(() => {
vi.useRealTimers()
})
test('Return the correct states for a successful query', async () => {
const statesStore: Writable<Array<QueryObserverResult>> = writable([])
const rendered = render(BaseExample, {
props: {
states: statesStore,
},
})
await vi.advanceTimersByTimeAsync(11)
expect(rendered.getByText('Status: success')).toBeInTheDocument()
const states = get(statesStore)
expect(states).toHaveLength(2)
expect(states[0]).toEqual({
data: undefined,
dataUpdatedAt: 0,
error: null,
errorUpdatedAt: 0,
failureCount: 0,
failureReason: null,
errorUpdateCount: 0,
fetchNextPage: expect.any(Function),
fetchPreviousPage: expect.any(Function),
hasNextPage: false,
hasPreviousPage: false,
isError: false,
isFetched: false,
isFetchedAfterMount: false,
isFetching: true,
isPaused: false,
isFetchNextPageError: false,
isFetchingNextPage: false,
isFetchPreviousPageError: false,
isFetchingPreviousPage: false,
isLoading: true,
isPending: true,
isInitialLoading: true,
isLoadingError: false,
isPlaceholderData: false,
isRefetchError: false,
isRefetching: false,
isStale: true,
isSuccess: false,
isEnabled: true,
refetch: expect.any(Function),
status: 'pending',
fetchStatus: 'fetching',
promise: expect.any(Promise),
})
expect(states[1]).toEqual({
data: { pages: [0], pageParams: [0] },
dataUpdatedAt: expect.any(Number),
error: null,
errorUpdatedAt: 0,
failureCount: 0,
failureReason: null,
errorUpdateCount: 0,
fetchNextPage: expect.any(Function),
fetchPreviousPage: expect.any(Function),
hasNextPage: true,
hasPreviousPage: false,
isError: false,
isFetched: true,
isFetchedAfterMount: true,
isFetching: false,
isPaused: false,
isFetchNextPageError: false,
isFetchingNextPage: false,
isFetchPreviousPageError: false,
isFetchingPreviousPage: false,
isLoading: false,
isPending: false,
isInitialLoading: false,
isLoadingError: false,
isPlaceholderData: false,
isRefetchError: false,
isRefetching: false,
isStale: true,
isSuccess: true,
isEnabled: true,
refetch: expect.any(Function),
status: 'success',
fetchStatus: 'idle',
promise: expect.any(Promise),
})
})
test('Select a part of the data', async () => {
const statesStore: Writable<Array<QueryObserverResult>> = writable([])
const rendered = render(SelectExample, {
props: {
states: statesStore,
},
})
await vi.advanceTimersByTimeAsync(11)
expect(rendered.getByText('count: 1')).toBeInTheDocument()
const states = get(statesStore)
expect(states).toHaveLength(2)
expect(states[0]).toMatchObject({
data: undefined,
isSuccess: false,
})
expect(states[1]).toMatchObject({
data: { pages: ['count: 1'] },
isSuccess: true,
})
})
})
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