mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Tim Yung
982272932c
Summary: Replaces `fbjs/warning` call sites in React Native with `console.warn`. A few warnings will now log as warnings without the "Warning:" prefix. Changelog: [General][Changed] - Some warnings changed to use `console.warn` without the "Warning:" prefix. Reviewed By: TheSavior, cpojer Differential Revision: D22445946 fbshipit-source-id: 96b01e1bdee52b89ff3b808bc9d6cd494f6787f5
28 lines
734 B
JavaScript
28 lines
734 B
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('warnOnce', () => {
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const warnOnce = require('../warnOnce');
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it('logs warning messages to the console exactly once', () => {
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jest.spyOn(console, 'warn').mockReturnValue(undefined);
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warnOnce('test-message', 'This is a log message');
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warnOnce('test-message', 'This is a second log message');
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expect(console.warn).toHaveBeenCalledWith('This is a log message');
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expect(console.warn).toHaveBeenCalledTimes(1);
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console.warn.mockRestore();
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});
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});
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