mfp/mfp_functions/apiStatusCheck.js

A third-party API for accessing MyFitnessPal diary data

'use strict';

var should = require('chai').should();
var diaryStatusCheck = require('./diaryStatusCheck');
var fetchSingleDate = require('./fetchSingleDate');

//this function checks to see if MyFitnessPal has changed the structure of their data presentation
//by checking to see if running 'fetchSingleDate' returns the expected data values for a known page

var apiStatusCheck = function(callback){
  var errors = [];
  var remainingChecks = 5;


  //Check 1
  diaryStatusCheck('npmmfp', function(status) {
    if (status !== 'public') {
      errors.push("diaryStatusCheck isn't working correctly for public profiles");
    }
    remainingChecks--;
    if (!remainingChecks){
      callback(errors);
    }
  });

  //Check 2
  diaryStatusCheck('npmmfpprivate', function(status) {
    if (status !== 'private') {
      errors.push("diaryStatusCheck isn't working correctly for private profiles");
    }
    remainingChecks--;
    if (!remainingChecks){
      callback(errors);
    }
  });

  //Check 3
  diaryStatusCheck('asdfkjb3Abfdalk', function(status) {
    if (status !== 'invalid user') {
      errors.push("diaryStatusCheck isn't working correctly for invalid usernames");
    }
    remainingChecks--;
    if (!remainingChecks){
      callback(errors);
    }
  });

  //Check 4
  fetchSingleDate('npmmfp', '2014-09-13', 'all', function(data){
    var expected = {
      date: '2014-09-13',
      calories: 2078,
      carbs: 98,
      fat: 119,
      protein: 153,
      cholesterol: 1123,
      sodium: 3031,
      sugar: 14,
      fiber: 5
    };

    if (data.calories !== 2078 || data.carbs !== 98 || data.sugar !== 14){
      errors.push("fetchSingleDate with all nutrients isn't working correctly");
    }
    remainingChecks--;
    if (!remainingChecks){
      callback(errors);
    }
  });

  //Check 5
  fetchSingleDate('npmmfp', '2014-09-14', ['calories', 'fat'], function(data){
    var expected = {
      date: '2014-09-14',
      calories: 2078,
      fat: 119
    };

    if (data.calories !== 2078 || data.fat !== 119 || data.date !== '2014-09-14'){
      errors.push("fetchSingleDate with user-specified nutrients isn't working correctly");
    }
    remainingChecks--;
    if (!remainingChecks){
      callback(errors);
    }
  });
};

module.exports = apiStatusCheck;