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| 1 | +import { isSolanaError, SOLANA_ERROR__REACT__MISSING_PROVIDER } from '@solana/errors'; |
| 2 | +import { Client, createClient } from '@solana/plugin-core'; |
| 3 | +import { act, render, renderHook } from '@testing-library/react'; |
| 4 | +import React, { Suspense } from 'react'; |
| 5 | +import { ErrorBoundary } from 'react-error-boundary'; |
| 6 | + |
| 7 | +import { ClientProvider } from '../ClientProvider'; |
| 8 | +import { useClient } from '../useClient'; |
| 9 | + |
| 10 | +describe('ClientProvider + useClient', () => { |
| 11 | + it('publishes the client to descendants and returns the same reference across renders', () => { |
| 12 | + const client = createClient(); |
| 13 | + const wrapper = ({ children }: { children: React.ReactNode }) => ( |
| 14 | + <ClientProvider client={client}>{children}</ClientProvider> |
| 15 | + ); |
| 16 | + const { result, rerender } = renderHook(() => useClient(), { wrapper }); |
| 17 | + expect(result.current).toBe(client); |
| 18 | + rerender(); |
| 19 | + expect(result.current).toBe(client); |
| 20 | + }); |
| 21 | + |
| 22 | + it('throws SolanaError MISSING_PROVIDER when `useClient` is called outside a provider', () => { |
| 23 | + const { result } = renderHook(() => { |
| 24 | + try { |
| 25 | + return useClient(); |
| 26 | + } catch (err) { |
| 27 | + return err; |
| 28 | + } |
| 29 | + }); |
| 30 | + expect(isSolanaError(result.current, SOLANA_ERROR__REACT__MISSING_PROVIDER)).toBe(true); |
| 31 | + expect((result.current as { context: { hookName: string } }).context.hookName).toBe('useClient'); |
| 32 | + }); |
| 33 | + |
| 34 | + it('lets the nearest provider win for nested mounts', () => { |
| 35 | + const outer = createClient(); |
| 36 | + const inner = createClient(); |
| 37 | + const onRender = jest.fn(); |
| 38 | + function Probe() { |
| 39 | + onRender(useClient()); |
| 40 | + return null; |
| 41 | + } |
| 42 | + render( |
| 43 | + <ClientProvider client={outer}> |
| 44 | + <Probe /> |
| 45 | + <ClientProvider client={inner}> |
| 46 | + <Probe /> |
| 47 | + </ClientProvider> |
| 48 | + </ClientProvider>, |
| 49 | + ); |
| 50 | + expect(onRender).toHaveBeenNthCalledWith(1, outer); |
| 51 | + expect(onRender).toHaveBeenNthCalledWith(2, inner); |
| 52 | + }); |
| 53 | + |
| 54 | + describe('async client', () => { |
| 55 | + it('renders the children once the client promise has resolved', async () => { |
| 56 | + const client = createClient(); |
| 57 | + const clientPromise = Promise.resolve(client); |
| 58 | + const onRender = jest.fn(); |
| 59 | + function Probe() { |
| 60 | + onRender(useClient()); |
| 61 | + return <div data-testid="probe">ready</div>; |
| 62 | + } |
| 63 | + let queryByTestId!: ReturnType<typeof render>['queryByTestId']; |
| 64 | + await act(async () => { |
| 65 | + ({ queryByTestId } = render( |
| 66 | + <Suspense fallback={<div data-testid="fallback">loading</div>}> |
| 67 | + <ClientProvider client={clientPromise}> |
| 68 | + <Probe /> |
| 69 | + </ClientProvider> |
| 70 | + </Suspense>, |
| 71 | + )); |
| 72 | + }); |
| 73 | + expect(queryByTestId('fallback')).toBeNull(); |
| 74 | + expect(queryByTestId('probe')).not.toBeNull(); |
| 75 | + expect(onRender).toHaveBeenLastCalledWith(client); |
| 76 | + }); |
| 77 | + |
| 78 | + it('suspends while the promise is pending', () => { |
| 79 | + const clientPromise = new Promise<Client<object>>(() => { |
| 80 | + /* never resolves */ |
| 81 | + }); |
| 82 | + function Probe() { |
| 83 | + useClient(); |
| 84 | + return <div data-testid="probe">ready</div>; |
| 85 | + } |
| 86 | + const { queryByTestId } = render( |
| 87 | + <Suspense fallback={<div data-testid="fallback">loading</div>}> |
| 88 | + <ClientProvider client={clientPromise}> |
| 89 | + <Probe /> |
| 90 | + </ClientProvider> |
| 91 | + </Suspense>, |
| 92 | + ); |
| 93 | + expect(queryByTestId('fallback')).not.toBeNull(); |
| 94 | + expect(queryByTestId('probe')).toBeNull(); |
| 95 | + }); |
| 96 | + |
| 97 | + it('lets a rejected client promise propagate to the nearest error boundary', async () => { |
| 98 | + const boom = new Error('boom'); |
| 99 | + const clientPromise = Promise.reject<Client<object>>(boom); |
| 100 | + // Pre-attach a catch so the rejection isn't flagged as unhandled before React's |
| 101 | + // error-boundary subscription runs. |
| 102 | + clientPromise.catch(() => {}); |
| 103 | + const onError = jest.fn(); |
| 104 | + function Probe() { |
| 105 | + useClient(); |
| 106 | + return <div data-testid="probe">ready</div>; |
| 107 | + } |
| 108 | + let queryByTestId!: ReturnType<typeof render>['queryByTestId']; |
| 109 | + await act(async () => { |
| 110 | + ({ queryByTestId } = render( |
| 111 | + <ErrorBoundary |
| 112 | + fallbackRender={({ error }) => { |
| 113 | + onError(error); |
| 114 | + return <div data-testid="caught">{(error as Error).message}</div>; |
| 115 | + }} |
| 116 | + > |
| 117 | + <Suspense fallback={<div data-testid="fallback">loading</div>}> |
| 118 | + <ClientProvider client={clientPromise}> |
| 119 | + <Probe /> |
| 120 | + </ClientProvider> |
| 121 | + </Suspense> |
| 122 | + </ErrorBoundary>, |
| 123 | + )); |
| 124 | + }); |
| 125 | + expect(queryByTestId('caught')).not.toBeNull(); |
| 126 | + expect(queryByTestId('caught')!.textContent).toBe('boom'); |
| 127 | + expect(queryByTestId('probe')).toBeNull(); |
| 128 | + expect(onError).toHaveBeenCalledWith(boom); |
| 129 | + }); |
| 130 | + }); |
| 131 | +}); |
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