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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, beforeEach } from 'vitest';
import { renderHook, act } from '@testing-library/react';
const registerLeverHandler = vi.fn();
const isGameMode = vi.fn(() => true);
vi.mock('../game/gameBridge', () => ({
gameBridge: {
isGameMode: () => isGameMode(),
registerLeverHandler: (fn: unknown) => registerLeverHandler(fn),
},
}));
const getElementVoltageLevels = vi.fn();
vi.mock('../api', () => ({
api: { getElementVoltageLevels: (id: string) => getElementVoltageLevels(id) },
}));
const notifyError = vi.fn();
const notifyInfo = vi.fn();
vi.mock('../utils/notifications', () => ({
notifyError: (m: string) => notifyError(m),
notifyInfo: (m: string) => notifyInfo(m),
}));
import { useLeverInteraction, type LeverInteractionParams } from './useLeverInteraction';
import type { DiagramsState } from './useDiagrams';
import type { LeverInteraction } from '../types';
type Handler = (i: LeverInteraction, mode: 'inspect' | 'simulate') => Promise<void>;
function makeParams(over: Partial<LeverInteractionParams> = {}): LeverInteractionParams {
return {
diagrams: {
activeTab: 'contingency',
setInspectQuery: vi.fn(),
zoomToElement: vi.fn(),
} as unknown as DiagramsState,
handleSimulateUnsimulatedAction: vi.fn().mockResolvedValue(undefined),
handleSimulateLever: vi.fn().mockResolvedValue(undefined),
handleVlOpen: vi.fn(),
...over,
};
}
/** Render the hook and return the handler it registered on the bridge. */
function renderAndGetHandler(params: LeverInteractionParams): Handler {
renderHook(() => useLeverInteraction(params));
return registerLeverHandler.mock.calls.at(-1)?.[0] as Handler;
}
describe('useLeverInteraction', () => {
beforeEach(() => {
vi.clearAllMocks();
isGameMode.mockReturnValue(true);
});
it('registers a lever handler only in game mode', () => {
isGameMode.mockReturnValue(false);
renderHook(() => useLeverInteraction(makeParams()));
expect(registerLeverHandler).not.toHaveBeenCalled();
isGameMode.mockReturnValue(true);
renderHook(() => useLeverInteraction(makeParams()));
expect(registerLeverHandler).toHaveBeenCalledTimes(1);
});
it('inspect on a branch lever centers on the branch itself (no VL lookup, no SLD)', async () => {
const params = makeParams();
const handler = renderAndGetHandler(params);
await act(async () => { await handler({ inspectQuery: 'LINE_A', category: 'branch' }, 'inspect'); });
expect(params.diagrams.setInspectQuery).toHaveBeenCalledWith('LINE_A');
expect(getElementVoltageLevels).not.toHaveBeenCalled();
expect(params.diagrams.zoomToElement).toHaveBeenCalledWith('LINE_A', 'contingency');
expect(params.handleVlOpen).not.toHaveBeenCalled();
});
it('inspect on an injection lever resolves its VL, centers there and opens the SLD', async () => {
getElementVoltageLevels.mockResolvedValue({ voltage_level_ids: ['VL_G1'] });
const params = makeParams();
const handler = renderAndGetHandler(params);
await act(async () => { await handler({ inspectQuery: 'G1', category: 'generation' }, 'inspect'); });
expect(getElementVoltageLevels).toHaveBeenCalledWith('G1');
expect(params.diagrams.zoomToElement).toHaveBeenCalledWith('VL_G1', 'contingency');
expect(params.handleVlOpen).toHaveBeenCalledWith('VL_G1');
});
it('simulate on a catalogue lever runs the action id directly', async () => {
const params = makeParams();
const handler = renderAndGetHandler(params);
await act(async () => {
await handler({ inspectQuery: 'LINE_A', category: 'branch', simulate: { actionId: 'disco_LINE_A' } }, 'simulate');
});
expect(params.handleSimulateUnsimulatedAction).toHaveBeenCalledWith('disco_LINE_A');
// Direct simulate short-circuits — no VL lookup / centering.
expect(getElementVoltageLevels).not.toHaveBeenCalled();
expect(params.diagrams.zoomToElement).not.toHaveBeenCalled();
});
it('simulate on a coupling lever resolves the VL and runs the maneuver', async () => {
getElementVoltageLevels.mockResolvedValue({ voltage_level_ids: ['VL_SW'] });
const params = makeParams();
const handler = renderAndGetHandler(params);
await act(async () => {
await handler({ inspectQuery: 'SW1', category: 'voltage_level', simulate: { switches: { SW1: true } } }, 'simulate');
});
expect(params.handleSimulateLever).toHaveBeenCalledWith({ voltageLevelId: 'VL_SW', switches: { SW1: true } });
expect(params.handleVlOpen).not.toHaveBeenCalled();
});
it('warns when a coupling maneuver cannot be located to a single VL', async () => {
getElementVoltageLevels.mockResolvedValue({ voltage_level_ids: [] });
const params = makeParams();
const handler = renderAndGetHandler(params);
await act(async () => {
await handler({ inspectQuery: 'SW1', category: 'voltage_level', simulate: { switches: { SW1: true } } }, 'simulate');
});
expect(params.handleSimulateLever).not.toHaveBeenCalled();
expect(notifyError).toHaveBeenCalledWith('Could not locate the substation for this maneuver.');
});
it('double-clicking a magnitude-free lever (PST / raw setpoint) degrades to inspect with a hint', async () => {
// redispatch / ls / rc levers now carry a simulate spec; a lever that
// reaches the handler with NO simulate (PST, raw gen_p/load_p) degrades.
getElementVoltageLevels.mockResolvedValue({ voltage_level_ids: ['VL_G1'] });
const params = makeParams();
const handler = renderAndGetHandler(params);
await act(async () => { await handler({ inspectQuery: 'G1', category: 'generation' }, 'simulate'); });
expect(notifyInfo).toHaveBeenCalledWith('Set the amount in the substation diagram, then Simulate.');
expect(params.handleSimulateLever).not.toHaveBeenCalled();
expect(params.handleSimulateUnsimulatedAction).not.toHaveBeenCalled();
// Falls through to inspect: centers on the VL and opens its SLD.
expect(params.diagrams.zoomToElement).toHaveBeenCalledWith('VL_G1', 'contingency');
expect(params.handleVlOpen).toHaveBeenCalledWith('VL_G1');
});
it('falls back to centering on the id when VL resolution fails', async () => {
getElementVoltageLevels.mockRejectedValue(new Error('not loaded'));
const params = makeParams();
const handler = renderAndGetHandler(params);
await act(async () => { await handler({ inspectQuery: 'G1', category: 'generation' }, 'inspect'); });
expect(params.diagrams.zoomToElement).toHaveBeenCalledWith('G1', 'contingency');
expect(params.handleVlOpen).not.toHaveBeenCalled();
});
it('remaps the overflow tab to the contingency tab for centering', async () => {
const params = makeParams({
diagrams: {
activeTab: 'overflow',
setInspectQuery: vi.fn(),
zoomToElement: vi.fn(),
} as unknown as DiagramsState,
});
const handler = renderAndGetHandler(params);
await act(async () => { await handler({ inspectQuery: 'LINE_A', category: 'branch' }, 'inspect'); });
expect(params.diagrams.setInspectQuery).toHaveBeenCalledWith('LINE_A');
expect(params.diagrams.zoomToElement).toHaveBeenCalledWith('LINE_A', 'contingency');
});
});
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