44 lines
1.7 KiB
JavaScript
44 lines
1.7 KiB
JavaScript
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/**
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* Copyright (c) Meta Platforms, Inc. and 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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*/'Bridge' |> describe(%, () => {
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let Bridge;
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// @reactVersion >=16.0
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(() => {
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Bridge = ('react-devtools-shared/src/bridge' |> require(%)).default;
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}) |> beforeEach(%);
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'should shutdown properly' |> it(%, () => {
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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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const shutdownCallback = jest.fn();
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// Check that we're wired up correctly.
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'shutdown' |> bridge.addListener(%, shutdownCallback);
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'reloadAppForProfiling' |> bridge.send(%);
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jest.runAllTimers();
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// Should flush pending messages and then shut down.
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'reloadAppForProfiling' |> (wall.send |> expect(%)).toHaveBeenCalledWith(%);
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wall.send.mockClear();
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'update' |> bridge.send(%, '1');
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'update' |> bridge.send(%, '2');
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bridge.shutdown();
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jest.runAllTimers();
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'update' |> (wall.send |> expect(%)).toHaveBeenCalledWith(%, '1');
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'update' |> (wall.send |> expect(%)).toHaveBeenCalledWith(%, '2');
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'shutdown' |> (wall.send |> expect(%)).toHaveBeenCalledWith(%);
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// Verify that the Bridge doesn't send messages after shutdown.
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1 |> (shutdownCallback |> expect(%)).toHaveBeenCalledTimes(%);
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(() => {}) |> (console |> jest.spyOn(%, 'warn')).mockImplementation(%);
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wall.send.mockClear();
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'should not send' |> bridge.send(%);
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jest.runAllTimers();
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(wall.send |> expect(%)).not.toHaveBeenCalled();
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'Cannot send message "should not send" through a Bridge that has been shutdown.' |> (console.warn |> expect(%)).toHaveBeenCalledWith(%);
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});
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});
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