ohayolibs/packages/util/src/string/string.spec.ts

Ohayo is a set of essential modules for ohayojp.

// tslint:disable:no-invalid-template-strings
import { format } from './string';

describe('util: string', () => {
  describe('#format', () => {
    [
      { s: 'this is ${name}', o: { name: 'asdf' }, r: 'this is asdf' },
      {
        s: 'this is ${name}, age: ${age}',
        o: { name: 'asdf', age: 10 },
        r: 'this is asdf, age: 10',
      },
    ].forEach(item => {
      it(item.s, () => {
        expect(format(item.s, item.o)).toBe(item.r);
      });
    });
    it('should allow null string', () => {
      expect(format(null, {})).toBe('');
    });
    it('should be support non-exists obj value', () => {
      expect(format('this is ${name}', {})).toBe('this is ');
    });
    it('should be support invalid object (eg: null, undefined)', () => {
      expect(format('this is ${name}', null)).toBe('this is ');
      expect(format('this is ${name}', undefined)).toBe('this is ');
    });
    it('should be deep get value', () => {
      expect(format('this is ${user.name}', { user: { name: 'asdf' } }, true)).toBe('this is asdf');
    });
  });
});