yadda/examples/data-tables/library.js

A true BDD framework for JavaScript

'use strict';

var Yadda = require('yadda');
var English = Yadda.localisation.English;
var Dictionary = Yadda.Dictionary;
var assert = require('assert');

module.exports = (function () {
  var list_total;
  var table_totals;

  var dictionary = new Dictionary()
    .define('totals', /(\d+)/, Yadda.converters.integer)
    .define('list', /([^\u0000]*)/, Yadda.converters.list)
    .define('table', /([^\u0000]*)/, Yadda.converters.table);

  var library = English.library(dictionary)

    .given('a list of integers\n$list', function (list) {
      list_total = 0;
      for (var i = 0; i < list.length; i++) {
        list_total += parseInt(list[i]);
      }
    })

    .then('the total should be $total', function (expected) {
      assert.equal(list_total, expected);
    })

    .given('a table of data\n$table', function (table) {
      table_totals = { left: 0, right: 0 };
      for (var i = 0; i < table.length; i++) {
        table_totals.left += parseInt(table[i].left);
        table_totals.right += parseInt(table[i].right);
      }
    })

    .then('the $key total should be $total', function (key, expected) {
      assert.equal(table_totals[key], expected);
    })

    .given('some Shakespeare\n$table', function (table) {
      table_totals = { 'Henry V': 0, 'Romeo and Juliet': 0 };
      for (var i = 0; i < table.length; i++) {
        table_totals['Henry V'] += table['Henry V'].split(/\s/).length;
        table_totals['Romeo and Juliet'] += table['Romeo and Juliet'].split(/\s/).length;
      }
    })

    .then('the $extract extract should have $total words', function (extract, expected) {
      assert.equal(extract.split(/\W/).length, expected);
    });

  return library;
})();