react/src/renderers/shared/fiber/__tests__/ReactTopLevelText-test.js

44 lines
1.3 KiB
JavaScript

/**
* 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';
var React;
var ReactNoop;
var ReactFeatureFlags;
// This is a new feature in Fiber so I put it in its own test file. It could
// probably move to one of the other test files once it is official.
describe('ReactTopLevelText', () => {
beforeEach(() => {
jest.resetModules();
React = require('React');
ReactNoop = require('ReactNoop');
ReactFeatureFlags = require('ReactFeatureFlags');
ReactFeatureFlags.disableNewFiberFeatures = false;
});
it('should render a component returning strings directly from render', () => {
const Text = ({value}) => value;
ReactNoop.render(<Text value="foo" />);
ReactNoop.flush();
expect(ReactNoop.getChildren()).toEqual([{text: 'foo'}]);
});
it('should render a component returning numbers directly from render', () => {
const Text = ({value}) => value;
ReactNoop.render(<Text value={10} />);
ReactNoop.flush();
expect(ReactNoop.getChildren()).toEqual([{text: '10'}]);
});
});