import * as parsers from 'background/usecases/parsers';

describe("shared/commands/parsers", () => {
  describe("#parsers.parseSetOption", () => {
    it('parse set string', () => {
      const [key, value] = parsers.parseSetOption('hintchars=abcdefgh');
      expect(key).to.equal('hintchars');
      expect(value).to.equal('abcdefgh');
    });

    it('parse set empty string', () => {
      const [key, value] = parsers.parseSetOption('hintchars=');
      expect(key).to.equal('hintchars');
      expect(value).to.equal('');
    });

    it('parse set boolean', () => {
      let [key, value] = parsers.parseSetOption('smoothscroll');
      expect(key).to.equal('smoothscroll');
      expect(value).to.be.true;

      [key, value] = parsers.parseSetOption('nosmoothscroll');
      expect(key).to.equal('smoothscroll');
      expect(value).to.be.false;
    });

    it('throws error on unknown property', () => {
      expect(() => parsers.parseSetOption('encoding=utf-8')).to.throw(Error, 'Unknown');
      expect(() => parsers.parseSetOption('paste')).to.throw(Error, 'Unknown');
      expect(() => parsers.parseSetOption('nopaste')).to.throw(Error, 'Unknown');
      expect(() => parsers.parseSetOption('smoothscroll=yes')).to.throw(Error, 'Invalid argument');
    });
  });
});