farmcontrol-api/src/services/management/__tests__/taxrates.test.js

import { jest } from '@jest/globals';

jest.unstable_mockModule('../../../database/database.js', () => ({
  searchObjects: jest.fn(),
  getPropertyValues: jest.fn(),
  listObjects: jest.fn(),
  getObject: jest.fn(),
  editObject: jest.fn(),
  newObject: jest.fn(),
  deleteObject: jest.fn(),
  listObjectsByProperties: jest.fn(),
  getModelStats: jest.fn(),
  getModelHistory: jest.fn(),
}));

jest.unstable_mockModule('../../../database/schemas/management/taxrate.schema.js', () => ({
  taxRateModel: { modelName: 'TaxRate' },
}));

jest.unstable_mockModule('log4js', () => ({
  default: {
    getLogger: () => ({
      level: 'info',
      debug: jest.fn(),
      error: jest.fn(),
      warn: jest.fn(),
      trace: jest.fn(),
    }),
  },
}));

const {
  listTaxRatesRouteHandler,
  getTaxRateRouteHandler,
  newTaxRateRouteHandler,
  editTaxRateRouteHandler,
} = await import('../taxrates.js');

const { listObjects, getObject, editObject, newObject } = await import(
  '../../../database/database.js'
);
const { taxRateModel } = await import('../../../database/schemas/management/taxrate.schema.js');

describe('Tax Rate Service Route Handlers', () => {
  let req, res;

  beforeEach(() => {
    req = {
      params: {},
      query: {},
      body: {},
      user: { id: 'test-user-id' },
    };
    res = {
      send: jest.fn(),
      status: jest.fn().mockReturnThis(),
    };
    jest.clearAllMocks();
  });

  describe('listTaxRatesRouteHandler', () => {
    it('should list tax rates', async () => {
      const mockResult = [{ _id: '1', name: 'GST', rate: 10 }];
      listObjects.mockResolvedValue(mockResult);

      await listTaxRatesRouteHandler(req, res);

      expect(listObjects).toHaveBeenCalledWith(expect.objectContaining({ model: taxRateModel }));
      expect(res.send).toHaveBeenCalledWith(mockResult);
    });
  });

  describe('newTaxRateRouteHandler', () => {
    it('should create a new tax rate', async () => {
      req.body = { name: 'VAT', rate: 20, rateType: 'percentage' };
      const mockTaxRate = { _id: '456', ...req.body };
      newObject.mockResolvedValue(mockTaxRate);

      await newTaxRateRouteHandler(req, res);

      expect(newObject).toHaveBeenCalled();
      expect(res.send).toHaveBeenCalledWith(mockTaxRate);
    });
  });

  describe('editTaxRateRouteHandler', () => {
    it('should update a tax rate', async () => {
      req.params.id = '507f1f77bcf86cd799439011';
      req.body = { rate: 15 };
      const mockResult = { _id: '507f1f77bcf86cd799439011', rate: 15 };
      editObject.mockResolvedValue(mockResult);

      await editTaxRateRouteHandler(req, res);

      expect(editObject).toHaveBeenCalled();
      expect(res.send).toHaveBeenCalledWith(mockResult);
    });
  });
});