/* eslint-disable jest/no-if */ /* eslint-disable jest/no-conditional-in-test */ /* eslint-disable jest/no-conditional-expect */ import * as React from 'react' import {render, renderHook} from '../' const isReact19 = React.version.startsWith('19.') const testGateReact19 = isReact19 ? test : test.skip test('render errors', () => { function Thrower() { throw new Error('Boom!') } if (isReact19) { expect(() => { render() }).toThrow('Boom!') } else { expect(() => { expect(() => { render() }).toThrow('Boom!') }).toErrorDev([ 'Error: Uncaught [Error: Boom!]', // React retries on error 'Error: Uncaught [Error: Boom!]', ]) } }) test('onUncaughtError is not supported in render', () => { function Thrower() { throw new Error('Boom!') } const onUncaughtError = jest.fn(() => {}) expect(() => { render(, { onUncaughtError(error, errorInfo) { console.log({error, errorInfo}) }, }) }).toThrow( 'onUncaughtError is not supported. The `render` call will already throw on uncaught errors.', ) expect(onUncaughtError).toHaveBeenCalledTimes(0) }) testGateReact19('onCaughtError is supported in render', () => { const thrownError = new Error('Boom!') const handleComponentDidCatch = jest.fn() const onCaughtError = jest.fn() class ErrorBoundary extends React.Component { state = {error: null} static getDerivedStateFromError(error) { return {error} } componentDidCatch(error, errorInfo) { handleComponentDidCatch(error, errorInfo) } render() { if (this.state.error) { return null } return this.props.children } } function Thrower() { throw thrownError } render( , { onCaughtError, }, ) expect(onCaughtError).toHaveBeenCalledWith(thrownError, { componentStack: expect.any(String), errorBoundary: expect.any(Object), }) }) test('onRecoverableError is supported in render', () => { const onRecoverableError = jest.fn() const container = document.createElement('div') container.innerHTML = '
server
' // We just hope we forwarded the callback correctly (which is guaranteed since we just pass it along) // Frankly, I'm too lazy to assert on React 18 hydration errors since they're a mess. // eslint-disable-next-line jest/no-conditional-in-test if (isReact19) { render(
client
, { container, hydrate: true, onRecoverableError, }) expect(onRecoverableError).toHaveBeenCalledTimes(1) } else { expect(() => { render(
client
, { container, hydrate: true, onRecoverableError, }) }).toErrorDev(['', ''], {withoutStack: 1}) expect(onRecoverableError).toHaveBeenCalledTimes(2) } }) test('onUncaughtError is not supported in renderHook', () => { function useThrower() { throw new Error('Boom!') } const onUncaughtError = jest.fn(() => {}) expect(() => { renderHook(useThrower, { onUncaughtError(error, errorInfo) { console.log({error, errorInfo}) }, }) }).toThrow( 'onUncaughtError is not supported. The `render` call will already throw on uncaught errors.', ) expect(onUncaughtError).toHaveBeenCalledTimes(0) }) testGateReact19('onCaughtError is supported in renderHook', () => { const thrownError = new Error('Boom!') const handleComponentDidCatch = jest.fn() const onCaughtError = jest.fn() class ErrorBoundary extends React.Component { state = {error: null} static getDerivedStateFromError(error) { return {error} } componentDidCatch(error, errorInfo) { handleComponentDidCatch(error, errorInfo) } render() { if (this.state.error) { return null } return this.props.children } } function useThrower() { throw thrownError } renderHook(useThrower, { onCaughtError, wrapper: ErrorBoundary, }) expect(onCaughtError).toHaveBeenCalledWith(thrownError, { componentStack: expect.any(String), errorBoundary: expect.any(Object), }) }) // Currently, there's no recoverable error without hydration. // The option is still supported though. test('onRecoverableError is supported in renderHook', () => { const onRecoverableError = jest.fn() renderHook( () => { // TODO: trigger recoverable error }, { onRecoverableError, }, ) })