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125 changes: 125 additions & 0 deletions
125
packages/tests/server/regression/issue-2996-defined-data.test.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,125 @@ | ||
| import { getServerAndReactClient } from '../react/__reactHelpers'; | ||
| import { useQuery } from '@tanstack/react-query'; | ||
| import { render, waitFor } from '@testing-library/react'; | ||
| import { initTRPC } from '@trpc/server'; | ||
| import { expectTypeOf } from 'expect-type'; | ||
| import { konn } from 'konn'; | ||
| import React from 'react'; | ||
|
|
||
| const posts = [ | ||
| { id: 1, title: 'foo' }, | ||
| { id: 2, title: 'bar' }, | ||
| ]; | ||
| type Post = typeof posts[number]; | ||
|
|
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| const fetchPosts = async () => posts; | ||
|
|
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| const ctx = konn() | ||
| .beforeEach(() => { | ||
| const t = initTRPC.create(); | ||
|
|
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| const appRouter = t.router({ | ||
| posts: t.procedure.query(fetchPosts), | ||
| }); | ||
|
|
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| return getServerAndReactClient(appRouter); | ||
| }) | ||
| .afterEach(async (ctx) => { | ||
| await ctx?.close?.(); | ||
| }) | ||
| .done(); | ||
|
|
||
| test('destructuring data', async () => { | ||
| const { App, proxy } = ctx; | ||
|
|
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| function MyComponent() { | ||
| const { data: trpcData = [] } = proxy.posts.useQuery(); | ||
| expectTypeOf<typeof trpcData>().toEqualTypeOf<Post[]>(); | ||
|
|
||
| // verify tanstack returns the same | ||
| const { data: rqData = [] } = useQuery(['key'], fetchPosts); | ||
| expectTypeOf<typeof rqData>().toEqualTypeOf<Post[]>(); | ||
|
|
||
| if (!trpcData) throw new Error('should not happen'); | ||
|
|
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| if (trpcData.length === 0) return <div>No posts</div>; | ||
| return <div>{trpcData.map((post) => post.title).join(', ')}</div>; | ||
| } | ||
|
|
||
| const utils = render( | ||
| <App> | ||
| <MyComponent /> | ||
| </App>, | ||
| ); | ||
|
|
||
| expect(utils.container).toHaveTextContent('No posts'); | ||
| await waitFor(() => { | ||
| expect(utils.container).toHaveTextContent('foo, bar'); | ||
| }); | ||
| }); | ||
|
|
||
| test('using `initialData`', async () => { | ||
| const { App, proxy } = ctx; | ||
|
|
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| function MyComponent() { | ||
| const { data: trpcData } = proxy.posts.useQuery(undefined, { | ||
| initialData: [], | ||
| }); | ||
| expectTypeOf<typeof trpcData>().toEqualTypeOf<Post[]>(); | ||
|
|
||
| // verify tanstack returns the same | ||
| const { data: rqData } = useQuery(['key'], fetchPosts, { | ||
| initialData: [], | ||
| }); | ||
| expectTypeOf<typeof rqData>().toEqualTypeOf<Post[]>(); | ||
|
|
||
| if (!trpcData) throw new Error('should not happen'); | ||
|
|
||
| if (trpcData.length === 0) return <div>No posts</div>; | ||
| return <div>{trpcData.map((post) => post.title).join(', ')}</div>; | ||
| } | ||
|
|
||
| const utils = render( | ||
| <App> | ||
| <MyComponent /> | ||
| </App>, | ||
| ); | ||
|
|
||
| expect(utils.container).toHaveTextContent('No posts'); | ||
| await waitFor(() => { | ||
| expect(utils.container).toHaveTextContent('foo, bar'); | ||
| }); | ||
| }); | ||
|
|
||
| test('using `placeholderData`', async () => { | ||
| const { App, proxy } = ctx; | ||
|
|
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| function MyComponent() { | ||
| const { data: trpcData } = proxy.posts.useQuery(undefined, { | ||
| placeholderData: [], | ||
| }); | ||
| expectTypeOf<typeof trpcData>().toEqualTypeOf<Post[] | undefined>(); | ||
|
|
||
| // verify tanstack returns the same | ||
| const { data: rqData } = useQuery(['key'], fetchPosts, { | ||
| placeholderData: [], | ||
| }); | ||
| expectTypeOf<typeof rqData>().toEqualTypeOf<Post[] | undefined>(); | ||
|
|
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| if (!trpcData) throw new Error('should not happen'); | ||
|
|
||
| if (trpcData.length === 0) return <div>No posts</div>; | ||
| return <div>{trpcData.map((post) => post.title).join(', ')}</div>; | ||
| } | ||
|
|
||
| const utils = render( | ||
| <App> | ||
| <MyComponent /> | ||
| </App>, | ||
| ); | ||
|
|
||
| expect(utils.container).toHaveTextContent('No posts'); | ||
| await waitFor(() => { | ||
| expect(utils.container).toHaveTextContent('foo, bar'); | ||
| }); | ||
| }); |