ohif-viewer/extensions/cornerstone/src/utils/getActiveViewportEnabledElement.test.ts

71 lines
2.6 KiB
TypeScript

import { getViewportEnabledElement } from './getViewportEnabledElement';
import getActiveViewportEnabledElement from './getActiveViewportEnabledElement';
jest.mock('./getViewportEnabledElement', () => ({
getViewportEnabledElement: jest.fn(),
}));
describe('getActiveViewportEnabledElement', () => {
const mockViewportGridService = {
getState: jest.fn(),
};
beforeEach(() => {
jest.clearAllMocks();
});
it('should return enabled element for active viewport', () => {
const mockEnabledElement = { viewport: 'test-viewport' };
mockViewportGridService.getState.mockReturnValue({ activeViewportId: 'viewport-1' });
(getViewportEnabledElement as jest.Mock).mockReturnValue(mockEnabledElement);
const result = getActiveViewportEnabledElement(mockViewportGridService);
expect(mockViewportGridService.getState).toHaveBeenCalledTimes(1);
expect(getViewportEnabledElement).toHaveBeenCalledWith('viewport-1');
expect(result).toBe(mockEnabledElement);
});
it('should handle null activeViewportId', () => {
const mockEnabledElement = null;
mockViewportGridService.getState.mockReturnValue({ activeViewportId: null });
(getViewportEnabledElement as jest.Mock).mockReturnValue(mockEnabledElement);
const result = getActiveViewportEnabledElement(mockViewportGridService);
expect(getViewportEnabledElement).toHaveBeenCalledWith(null);
expect(result).toBe(null);
});
it('should handle undefined activeViewportId', () => {
const mockEnabledElement = undefined;
mockViewportGridService.getState.mockReturnValue({ activeViewportId: undefined });
(getViewportEnabledElement as jest.Mock).mockReturnValue(mockEnabledElement);
const result = getActiveViewportEnabledElement(mockViewportGridService);
expect(getViewportEnabledElement).toHaveBeenCalledWith(undefined);
expect(result).toBe(undefined);
});
it('should handle empty state object', () => {
const mockEnabledElement = undefined;
mockViewportGridService.getState.mockReturnValue({});
(getViewportEnabledElement as jest.Mock).mockReturnValue(mockEnabledElement);
const result = getActiveViewportEnabledElement(mockViewportGridService);
expect(getViewportEnabledElement).toHaveBeenCalledWith(undefined);
expect(result).toBe(undefined);
});
it('should handle getViewportEnabledElement returning null', () => {
mockViewportGridService.getState.mockReturnValue({ activeViewportId: 'viewport-1' });
(getViewportEnabledElement as jest.Mock).mockReturnValue(null);
const result = getActiveViewportEnabledElement(mockViewportGridService);
expect(result).toBe(null);
});
});