bonsai-analyzer/bin/stats/__tests__/filterModules.test.js

Trim your dependency tree.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

var _defaults = require("../../__test_helpers__/defaults");

var _filterModules = _interopRequireDefault(require("../filterModules"));

const emptyFilters = {
  moduleName: '',
  cumulativeSizeMin: '',
  cumulativeSizeMax: '',
  requiredByCountMin: '',
  requiredByCountMax: '',
  requirementsCountMin: '',
  requirementsCountMax: ''
};
describe('filterModules', () => {
  it('should return everything when there are no filters', () => {
    const modules = [(0, _defaults.defaultExtendedModule)({
      id: 1
    }), (0, _defaults.defaultExtendedModule)({
      id: 2
    }), (0, _defaults.defaultExtendedModule)({
      id: 3
    })];
    expect((0, _filterModules.default)(modules, emptyFilters)).toEqual(modules);
  });
  describe('name filter', () => {
    it('keep modules when the name matches an alpha/num string', () => {
      const indexJS = (0, _defaults.defaultExtendedModule)({
        id: 1,
        name: 'index'
      });
      const buttonJS = (0, _defaults.defaultExtendedModule)({
        id: 1,
        name: 'button'
      });
      const filters = { ...emptyFilters,
        moduleName: 'index'
      };
      expect((0, _filterModules.default)([indexJS, buttonJS], filters)).toEqual([indexJS]);
    });
    it('keep modules when the name matches a string fragment', () => {
      const indexJS = (0, _defaults.defaultExtendedModule)({
        id: 1,
        name: 'src/app/index'
      });
      const buttonJS = (0, _defaults.defaultExtendedModule)({
        id: 1,
        name: 'src/node_modules/button/index'
      });
      const filters = { ...emptyFilters,
        moduleName: 'app'
      };
      expect((0, _filterModules.default)([indexJS, buttonJS], filters)).toEqual([indexJS]);
    });
    it('keep modules when the name matches a string with special chars', () => {
      const indexJS = (0, _defaults.defaultExtendedModule)({
        id: 1,
        name: 'src/app/index'
      });
      const buttonJS = (0, _defaults.defaultExtendedModule)({
        id: 1,
        name: 'src/node_modules/button/index'
      });
      const filters = { ...emptyFilters,
        moduleName: 'src/(?!node_modules)'
      };
      expect((0, _filterModules.default)([indexJS, buttonJS], filters)).toEqual([indexJS]);
    });
  });
  describe('number range filters', () => {
    const smallModule = (0, _defaults.defaultExtendedModule)({
      id: 'small',
      cumulativeSize: 10,
      requiredByCount: 3,
      requirementsCount: 5
    });
    const mediumModule = (0, _defaults.defaultExtendedModule)({
      id: 'medium',
      cumulativeSize: 200,
      requiredByCount: 17,
      requirementsCount: 19
    });
    const largeModule = (0, _defaults.defaultExtendedModule)({
      id: 'large',
      cumulativeSize: 3000,
      requiredByCount: 23,
      requirementsCount: 29
    });
    const allModuleSizes = [smallModule, mediumModule, largeModule];
    it('should remove nothing when cumulativeSizeMin & cumulativeSizeMax are empty', () => {
      const filters = { ...emptyFilters,
        cumulativeSizeMin: '',
        cumulativeSizeMax: ''
      };
      expect((0, _filterModules.default)(allModuleSizes, filters)).toEqual([smallModule, mediumModule, largeModule]);
    });
    it('should remove small & large when cumulativeSizeMin & cumulativeSizeMax is non-empty', () => {
      const filters = { ...emptyFilters,
        cumulativeSizeMin: '100',
        cumulativeSizeMax: '1000'
      };
      expect((0, _filterModules.default)(allModuleSizes, filters)).toEqual([mediumModule]);
    });
    it('should remove just the small when cumulativeSizeMin is non-empty', () => {
      const filters = { ...emptyFilters,
        cumulativeSizeMin: '100',
        cumulativeSizeMax: ''
      };
      expect((0, _filterModules.default)(allModuleSizes, filters)).toEqual([mediumModule, largeModule]);
    });
    it('should remove just the large when cumulativeSizeMax is non-empty', () => {
      const filters = { ...emptyFilters,
        cumulativeSizeMin: '',
        cumulativeSizeMax: '1000'
      };
      expect((0, _filterModules.default)(allModuleSizes, filters)).toEqual([smallModule, mediumModule]);
    });
    it('should remove small & large when requiredByCountMin & requiredByCountMax is non-empty', () => {
      const filters = { ...emptyFilters,
        requiredByCountMin: '12',
        requiredByCountMax: '20'
      };
      expect((0, _filterModules.default)(allModuleSizes, filters)).toEqual([mediumModule]);
    });
    it('should remove small & large when requirementsCountMin & requirementsCountMax is non-empty', () => {
      const filters = { ...emptyFilters,
        requirementsCountMin: '12',
        requirementsCountMax: '20'
      };
      expect((0, _filterModules.default)(allModuleSizes, filters)).toEqual([mediumModule]);
    });
  });
});