49 строки
1.1 KiB
JavaScript
49 строки
1.1 KiB
JavaScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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* @emails oncall+react_native
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*/
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'use strict';
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describe('logError', () => {
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const logError = require('../logError');
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it('logs error messages to the console', () => {
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console.error.apply = jest.fn();
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logError('This is a log message');
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expect(console.error.apply).toHaveBeenCalledWith(console, [
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'This is a log message',
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]);
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});
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it('logs error messages with multiple arguments to the console', () => {
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console.error.apply = jest.fn();
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const data = 'log';
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logError('This is a', data, 'message');
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expect(console.error.apply).toHaveBeenCalledWith(console, [
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'This is a',
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'log',
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'message',
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]);
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});
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it('logs errors to the console', () => {
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console.error = jest.fn();
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logError(new Error('The error message'));
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expect(console.error.mock.calls[0][0]).toContain(
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'Error: "The error message". Stack:',
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);
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});
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});
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