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React-test.js
40 lines (35 loc) · 1.1 KB
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React-test.js
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/**
* Copyright 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @emails react-core
*/
'use strict';
describe('React', () => {
var React;
beforeEach(() => {
React = require('React');
});
it('should log a deprecation warning once when using React.__spread', () => {
spyOn(console, 'warn');
React.__spread({});
React.__spread({});
expect(console.warn.calls.count()).toBe(1);
expect(console.warn.calls.argsFor(0)[0]).toContain(
'React.__spread is deprecated and should not be used',
);
});
it('should log a deprecation warning once when using React.createMixin', () => {
spyOn(console, 'warn');
React.createMixin();
React.createMixin();
expect(console.warn.calls.count()).toBe(1);
expect(console.warn.calls.argsFor(0)[0]).toContain(
'React.createMixin is deprecated and should not be used',
);
});
});