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// This Source Code Form is subject to the terms of the Mozilla Public License, version 2.0.
// If a copy of the Mozilla Public License, version 2.0 was not distributed with this file,
// you can obtain one at http://mozilla.org/MPL/2.0/.
// SPDX-License-Identifier: MPL-2.0
import { describe, it, expect, vi } from 'vitest';
import { gameBridge } from './gameBridge';
import type { LeverInteraction } from '../types';
const INTERACTION: LeverInteraction = {
inspectQuery: 'LINE_A',
category: 'branch',
simulate: { actionId: 'disco_LINE_A' },
};
describe('gameBridge — lever interaction handler', () => {
// NOTE: `gameBridge` is a module singleton and there is no unregister API,
// so the "no handler yet" case must be asserted FIRST, before any test
// registers one (Vitest runs a file's tests in definition order and gives
// each test file its own module registry).
it('requestLeverInteraction is a no-op before any handler is registered', () => {
expect(() => gameBridge.requestLeverInteraction(INTERACTION, 'inspect')).not.toThrow();
});
it('routes the interaction AND mode to the registered handler', () => {
const handler = vi.fn();
gameBridge.registerLeverHandler(handler);
gameBridge.requestLeverInteraction(INTERACTION, 'simulate');
expect(handler).toHaveBeenCalledTimes(1);
expect(handler).toHaveBeenCalledWith(INTERACTION, 'simulate');
});
it('a later registration replaces the earlier handler', () => {
const first = vi.fn();
const second = vi.fn();
gameBridge.registerLeverHandler(first);
gameBridge.registerLeverHandler(second);
gameBridge.requestLeverInteraction(INTERACTION, 'inspect');
expect(first).not.toHaveBeenCalled();
expect(second).toHaveBeenCalledWith(INTERACTION, 'inspect');
});
it('forwards both modes through the same handler', () => {
const handler = vi.fn();
gameBridge.registerLeverHandler(handler);
gameBridge.requestLeverInteraction(INTERACTION, 'inspect');
gameBridge.requestLeverInteraction(INTERACTION, 'simulate');
expect(handler.mock.calls.map((c) => c[1])).toEqual(['inspect', 'simulate']);
});
});
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