import { applyQueryOptions } from "../query.utils";

describe("query.utils", () => {
  describe("applyQueryOptions()", () => {
    let mockCursor: any;

    beforeEach(() => {
      mockCursor = {
        sort: jest.fn().mockReturnThis(),
        skip: jest.fn().mockReturnThis(),
        limit: jest.fn().mockReturnThis(),
      };
    });

    it("should return cursor if no options provided", () => {
      const result = applyQueryOptions(mockCursor);
      expect(result).toBe(mockCursor);
      expect(mockCursor.sort).not.toHaveBeenCalled();
    });

    it("should apply sort, skip, and limit", () => {
      const options = {
        sort: { name: 1 },
        skip: 10,
        limit: 5,
      };

      const result = applyQueryOptions(mockCursor, options);

      expect(result).toBe(mockCursor);
      expect(mockCursor.sort).toHaveBeenCalledWith({ name: 1 });
      expect(mockCursor.skip).toHaveBeenCalledWith(10);
      expect(mockCursor.limit).toHaveBeenCalledWith(5);
    });

    it("should apply only sort if skip and limit are missing", () => {
      const options = {
        sort: { name: 1 },
      };

      const result = applyQueryOptions(mockCursor, options);

      expect(result).toBe(mockCursor);
      expect(mockCursor.sort).toHaveBeenCalledWith({ name: 1 });
      expect(mockCursor.skip).not.toHaveBeenCalled();
      expect(mockCursor.limit).not.toHaveBeenCalled();
    });
  });
});