gistfile1.js

  describe('#fetchHydroAreaIDList()', function(){
    it('should return an array of IDs from a hydro search', function(done){
      var hydroArea = 'CENTRAL+COAST';

      station.fetchHydroAreaIDList(hydroArea, function(stationIDs){
        console.log(stationIDs);
        done();
      });
    });
  });


  /**
   * Goes through a hydro search area and collects station ids
   *
   * @param {String} hydroArea
   * @return {Array} ids
   */
  fetchHydroAreaIDList: function(hydroArea, callback) {
    var url =
      config.get('CDEC').endpoints.base +
      config.get('CDEC').endpoints.hydroUrl +
      hydroArea;

    fetchStationIDList(url, function(stationIDs){
      callback(stationIDs);
    });
  },
}; 


/**
* Fetch a list of station IDs
*
* @param {String} url
* @return {Array} ids
*/
function fetchStationIDList(url, callback) {
  request(url, function(error, response, html) {
    if (!error && response.code == 200) {
      var $ = cheerio.load(html);
      var table = $('#main_content table td');
      var regex = /^[A-Z]{3}$/;
      var ids = [];

      table.each( function() {
        var td = _.trim($(this).text());
        if (td.match(regex)) {
          ids.push(td);
        }
      });

      callback(ids);
    }
  });
}