| 1 | /** |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * This source code is licensed under the MIT license found in the |
| 5 | * LICENSE file in the root directory of this source tree. |
| 6 | * |
| 7 | * @emails react-core |
| 8 | * @jest-environment node |
| 9 | */ |
| 10 | |
| 11 | 'use strict'; |
| 12 | |
| 13 | let React; |
| 14 | let ReactNoop; |
| 15 | let assertConsoleErrorDev; |
| 16 | let waitForAll; |
| 17 | let waitForThrow; |
| 18 | |
| 19 | describe('ReactIncrementalErrorReplay', () => { |
| 20 | beforeEach(() => { |
| 21 | jest.resetModules(); |
| 22 | React = require('react'); |
| 23 | ReactNoop = require('react-noop-renderer'); |
| 24 | |
| 25 | const InternalTestUtils = require('internal-test-utils'); |
| 26 | assertConsoleErrorDev = InternalTestUtils.assertConsoleErrorDev; |
| 27 | waitForAll = InternalTestUtils.waitForAll; |
| 28 | waitForThrow = InternalTestUtils.waitForThrow; |
| 29 | }); |
| 30 | |
| 31 | it('should fail gracefully on error in the host environment', async () => { |
| 32 | ReactNoop.render(<errorInBeginPhase />); |
| 33 | await waitForThrow('Error in host config.'); |
| 34 | }); |
| 35 | |
| 36 | it("should ignore error if it doesn't throw on retry", async () => { |
| 37 | let didInit = false; |
| 38 | |
| 39 | function badLazyInit() { |
| 40 | const needsInit = !didInit; |
| 41 | didInit = true; |
| 42 | if (needsInit) { |
| 43 | throw new Error('Hi'); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | class App extends React.Component { |
| 48 | render() { |
| 49 | badLazyInit(); |
| 50 | return <div />; |
| 51 | } |
| 52 | } |
| 53 | ReactNoop.render(<App />); |
| 54 | await waitForAll([]); |
| 55 | assertConsoleErrorDev([ |
| 56 | 'Error: There was an error during concurrent rendering but React was able to recover by instead synchronously rendering the entire root.' + |
| 57 | '\n in <stack>', |
| 58 | ]); |
| 59 | }); |
| 60 | }); |