src/app/core/services/helpers/config.helpers.spec.ts

import * as angular from 'angular';
import 'angular-mocks';
import 'angular-ui-router';

import {IXosConfigHelpersService} from './config.helpers';
import {xosCore} from '../../index';

let service: IXosConfigHelpersService;
describe('The ConfigHelpers service', () => {

  beforeEach(angular.mock.module(xosCore));

  beforeEach(angular.mock.inject((
    ConfigHelpers: IXosConfigHelpersService,
  ) => {
    service = ConfigHelpers;
  }));

  describe('The pluralize function', () => {
    it('should pluralize string', () => {
      expect(service.pluralize('test')).toEqual('tests');
      expect(service.pluralize('test', 1)).toEqual('test');
      expect(service.pluralize('xos')).toEqual('xosses');
      expect(service.pluralize('slice')).toEqual('slices');
    });

    it('should preprend count to string', () => {
      expect(service.pluralize('test', 6, true)).toEqual('6 tests');
      expect(service.pluralize('test', 1, true)).toEqual('1 test');
    });
  });

  describe('the label formatter', () => {
    it('should format a camel case string', () => {
      expect(service.toLabel('camelCase')).toEqual('Camel case');
    });

    it('should format a snake case string', () => {
      expect(service.toLabel('snake_case')).toEqual('Snake case');
    });

    it('should format a kebab case string', () => {
      expect(service.toLabel('kebab-case')).toEqual('Kebab case');
    });

    it('should set plural', () => {
      expect(service.toLabel('kebab-case', true)).toEqual('Kebab cases');
    });

    it('should format an array of strings', () => {
      let strings: string[] = ['camelCase', 'snake_case', 'kebab-case'];
      let labels = ['Camel case', 'Snake case', 'Kebab case'];
      expect(service.toLabel(strings)).toEqual(labels);
    });

    it('should set plural on an array of strings', () => {
      let strings: string[] = ['camelCase', 'snake_case', 'kebab-case'];
      let labels = ['Camel cases', 'Snake cases', 'Kebab cases'];
      expect(service.toLabel(strings, true)).toEqual(labels);
    });
  });

});