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https://github.com/facebook/react.git
synced 2025-11-01 09:12:30 +00:00
Luna Ruan
b77c12576d
This PR adds the reactVersion pragma to tests. Tests without the reactVersion pragma won't be run if the reactVersion pragma isn't specified. Tested each React version manually with the pragma to make sure the tests pass
51 lines
1.4 KiB
JavaScript
51 lines
1.4 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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* @flow
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*/
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describe('Bridge', () => {
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let Bridge;
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beforeEach(() => {
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Bridge = require('react-devtools-shared/src/bridge').default;
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});
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// @reactVersion >=16.0
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it('should shutdown properly', () => {
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const wall = {
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listen: jest.fn(() => () => {}),
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send: jest.fn(),
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};
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const bridge = new Bridge(wall);
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// Check that we're wired up correctly.
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bridge.send('reloadAppForProfiling');
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jest.runAllTimers();
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expect(wall.send).toHaveBeenCalledWith('reloadAppForProfiling');
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// Should flush pending messages and then shut down.
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wall.send.mockClear();
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bridge.send('update', '1');
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bridge.send('update', '2');
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bridge.shutdown();
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jest.runAllTimers();
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expect(wall.send).toHaveBeenCalledWith('update', '1');
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expect(wall.send).toHaveBeenCalledWith('update', '2');
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expect(wall.send).toHaveBeenCalledWith('shutdown');
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// Verify that the Bridge doesn't send messages after shutdown.
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spyOn(console, 'warn');
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wall.send.mockClear();
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bridge.send('should not send');
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jest.runAllTimers();
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expect(wall.send).not.toHaveBeenCalled();
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expect(console.warn).toHaveBeenCalledWith(
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'Cannot send message "should not send" through a Bridge that has been shutdown.',
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);
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});
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});
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