mjackson/mach

/* jshint -W058 */
var assert = require('assert');
var expect = require('expect');
var AcceptCharset = require('../AcceptCharset');

describe('AcceptCharset', function () {
  var header;

  describe('with no value', function () {
    beforeEach(function () {
      header = new AcceptCharset;
    });

    it('has the correct toString representation', function () {
      expect(header.toString()).toEqual('Accept-Charset: ');
    });
    
    it('has the correct quality factors', function () {
      expect(header.qualityFactorForCharset('iso-8859-1')).toEqual(1);
      expect(header.qualityFactorForCharset('iso-8859-5')).toEqual(0);
      expect(header.qualityFactorForCharset('unicode-1-1')).toEqual(0);
    });

    it('accepts iso-8859-1', function () {
      assert(header.accepts('iso-8859-1'));
    });

    it('does not accept other charsets', function () {
      assert(!header.accepts('iso-8859-5'));
      assert(!header.accepts('unicode-1-1'));      
    });
  });

  describe('with a value of "unicode-1-1;q=0.8, *;q=0.5"', function () {
    beforeEach(function () {
      header = new AcceptCharset('unicode-1-1, *;q=0.5');
    });

    it('has the correct quality factors', function () {
      expect(header.qualityFactorForCharset('iso-8859-1')).toEqual(1);
      expect(header.qualityFactorForCharset('iso-8859-5')).toEqual(0.5);
      expect(header.qualityFactorForCharset('unicode-1-1')).toEqual(1);
    });

    it('accepts iso-8859-1', function () {
      assert(header.accepts('iso-8859-1'));
    });

    it('accepts iso-8859-5', function () {
      assert(header.accepts('iso-8859-5'));
    });

    it('accepts unicode-1-1', function () {
      assert(header.accepts('unicode-1-1'));
    });
  });
});