als-mongo-list/tests/filter-utils.test.js

A flexible, lightweight MongoDB query utility for Node.js applications. Simplifies database operations with intuitive filtering, pagination, sorting, and field selection. Ideal for REST API endpoints, providing a primary List class that abstracts complex

const { isValidDate } = require('../lib/filter/date');
const { isValidNumber } = require('../lib/filter/number');
const assert = require('node:assert');
const { describe, it } = require('node:test');

describe('Filter Utils', () => {
   describe('isValidDate', () => {
      it('should add a valid UTC date to the search object', () => {
         const search = {};
         isValidDate('2022-01-01', search, '$gte', 'createdAt');
         assert.deepStrictEqual(search, {
            createdAt: { $gte: new Date(Date.UTC(2022, 0, 1)) },
         });
      });

      it('should ignore invalid date strings', () => {
         const search = {};
         isValidDate('invalid-date', search, '$gte', 'createdAt');
         assert.deepStrictEqual(search, {});
      });

      it('should handle empty date values gracefully', () => {
         const search = {};
         isValidDate('', search, '$gte', 'createdAt');
         assert.deepStrictEqual(search, {});
      });
   });

   describe('isValidNumber', () => {
      it('should add a valid number to the search object', () => {
         const search = {};
         isValidNumber('25', search, '$gte', 'age', { min: 18, max: 99 });
         assert.deepStrictEqual(search, { age: { $gte: 25 } });
      });

      it('should ignore values below the minimum', () => {
         const search = {};
         isValidNumber('10', search, '$gte', 'age', { min: 18, max: 99 });
         assert.deepStrictEqual(search, {});
      });

      it('should ignore values above the maximum', () => {
         const search = {};
         isValidNumber('120', search, '$gte', 'age', { min: 18, max: 99 });
         assert.deepStrictEqual(search, {});
      });

      it('should ignore invalid number strings', () => {
         const search = {};
         isValidNumber('abc', search, '$gte', 'age', { min: 18, max: 99 });
         assert.deepStrictEqual(search, {});
      });
   });
});

describe('isValidNumber with step', () => {
   it('should allow number matching the step', () => {
      const search = {};
      isValidNumber('20', search, '$gte', 'price', { min: 10, max: 30, step: 10 });
      // 20 делится на 10 без остатка
      assert.deepStrictEqual(search, { price: { $gte: 20 } });
   });

   it('should ignore number not matching the step', () => {
      const search = {};
      isValidNumber('25', search, '$gte', 'price', { min: 10, max: 30, step: 10 });
      // 25 не делится на 10 без остатка
      assert.deepStrictEqual(search, {});
   });
});