text: // @flow
  
  import { visibleTodosSelector } from './index';
  
  describe('visibleTodosSelector', () => {
    let state;
    beforeEach(() => {
      state = {
        todos: [
          { id: 0, text: 'Test Todo 1', completed: false },
          { id: 1, text: 'Test Todo 2', completed: true }
        ],
        visibilityFilter: 'SHOW_ALL'
      };
    });
  
    test('should handle SHOW_ALL', () => {
      expect(visibleTodosSelector(state)).toEqual([
        { id: 0, text: 'Test Todo 1', completed: false },
        { id: 1, text: 'Test Todo 2', completed: true }
      ]);
    });
  
    test('should handle SHOW_ACTIVE', () => {
      state.visibilityFilter = 'SHOW_ACTIVE';
      expect(visibleTodosSelector(state)).toEqual([
        { id: 0, text: 'Test Todo 1', completed: false }
      ]);
    });
  
    test('should handle SHOW_COMPLETED', () => {
      state.visibilityFilter = 'SHOW_COMPLETED';
      expect(visibleTodosSelector(state)).toEqual([
        { id: 1, text: 'Test Todo 2', completed: true }
      ]);
    });
  });
  