const optionsUtil = require('../../lib/utils/options');

describe('util/options', function () {
    it('returns an array with empty string when no parameters are passed', function () {
        optionsUtil.trimAndLowerCase().should.eql(['']);
    });

    it('returns single item array', function () {
        optionsUtil.trimAndLowerCase('butter').should.eql(['butter']);
    });

    it('returns multiple items in array', function () {
        optionsUtil.trimAndLowerCase('peanut, butter').should.eql(['peanut', 'butter']);
    });

    it('lowercases and trims items in the string', function () {
        optionsUtil.trimAndLowerCase('  PeanUt, buTTer ').should.eql(['peanut', 'butter']);
    });

    it('accepts parameters in form of an array', function () {
        optionsUtil.trimAndLowerCase(['  PeanUt', ' buTTer ']).should.eql(['peanut', 'butter']);
    });

    it('throws error for invalid object input', function () {
        try {
            optionsUtil.trimAndLowerCase({name: 'peanut'});
        } catch (err) {
            err.message.should.eql('Params must be a string or array');
        }
    });
});