63 lines
No EOL
2.1 KiB
TypeScript
63 lines
No EOL
2.1 KiB
TypeScript
import { InfiniteData } from '@tanstack/react-query';
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import { queryClient } from 'soapbox/queries/client';
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import { PaginatedResult, sortQueryData } from '../queries';
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interface Item {
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id: number
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}
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const buildItem = (id: number): Item => ({ id });
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const queryKey = ['test', 'query'];
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describe('sortQueryData()', () => {
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describe('without cached data', () => {
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it('safely returns undefined', () => {
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sortQueryData<Item>(queryKey, (a, b) => b.id - a.id);
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const nextQueryData = queryClient.getQueryData<InfiniteData<PaginatedResult<Item>>>(queryKey);
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expect(nextQueryData).toBeUndefined();
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});
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});
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describe('with cached data', () => {
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const cachedQueryData = {
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pages: [
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{
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result: [...Array(20).fill(0).map((_, idx) => buildItem(idx))],
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hasMore: false,
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link: undefined,
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},
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{
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result: [...Array(4).fill(0).map((_, idx) => buildItem(idx + 20))],
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hasMore: true,
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link: 'my-link',
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},
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],
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pageParams: [undefined],
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};
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beforeEach(() => {
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queryClient.setQueryData(queryKey, cachedQueryData);
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});
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it('sorts the cached data', () => {
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const initialQueryData = queryClient.getQueryData<InfiniteData<PaginatedResult<Item>>>(queryKey);
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expect(initialQueryData?.pages[0].result[0].id === 0); // first id is 0
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sortQueryData<Item>(queryKey, (a, b) => b.id - a.id); // sort descending
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const nextQueryData = queryClient.getQueryData<InfiniteData<PaginatedResult<Item>>>(queryKey);
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expect(nextQueryData?.pages[0].result[0].id === 0); // first id is now 23
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});
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it('persists the metadata', () => {
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const initialQueryData = queryClient.getQueryData<InfiniteData<PaginatedResult<Item>>>(queryKey);
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const initialMetaData = initialQueryData?.pages.map((page) => page.link);
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sortQueryData<Item>(queryKey, (a, b) => b.id - a.id);
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const nextQueryData = queryClient.getQueryData<InfiniteData<PaginatedResult<Item>>>(queryKey);
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const nextMetaData = nextQueryData?.pages.map((page) => page.link);
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expect(initialMetaData).toEqual(nextMetaData);
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});
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});
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}); |