added express test

lib/holidayMapping.json

 {
+  "nameMapping": {
+    "0": "Alle",
+    "101": "Neujahrstag",
+    "106": "Hl. drei Koenige",
+    "301": "Karfreitag",
+    "302": "Ostersonntag",
+    "303": "Ostermontag",
+    "501": "Tag der Arbeit",
+    "502": "Himmelfahrt",
+    "601": "Pfingstsonntag",
+    "602": "Pfingstmontag",
+    "808": "Augsburger Friedensfest",
+    "815": "Mariae Himmelfahrt",
+    "103": "Tag der Deutschen Einheit",
+    "131": "Reformationstag",
+    "111": "Allerheiligen",
+    "121": "Heilig Abend",
+    "122": "Erster Weihnachtstag",
+    "123": "Zweiter Weihnachtstag"
+  },
+  "sureHolidays": [ "101", "103", "121", "122", "123", "501", "808", "301", "302", "303", "502", "601", "602" ],
+  "specificHolidays": [ "1", "106", "111", "131", "2", "815" ],
+  "region": {
     "BW": ["106", "1", "111"],
     "BY": ["106", "1", "815", "111"],
     "BE": [],
@@ -15,4 +38,5 @@
     "ST": ["106", "131"],
     "SH": [],
     "TH": ["1", "131"]
+  }
 }
\ No newline at end of file

lib/holidays.js

 var holidayMapping = require('./holidayMapping.json');
 
-var specificHolidays = getRegionSpecificHolidays(holidayMapping);
-console.log(specificHolidays);
-
-function getRegionSpecificHolidays(holidayMapping) {
-  var ids = [];
-  for(var key in holidayMapping) {
-    var obj = holidayMapping[key];
-    for (var i = 0; i < obj.length; i++) {
-      if(ids.indexOf(obj[i]) < 0)
-        ids.push(obj[i]);
-    }
-  }
-  return ids;
-}
-
-function Holidays(year) {
-  /*  var mapping = {
-   0: "Alle",
-   101: "Neujahrstag",
-   106: "Hl. drei Koenige",
-   301: "Karfreitag",
-   302: "Ostersonntag",
-   303: "Ostermontag",
-   501: "Tag der Arbeit",
-   502: "Himmelfahrt",
-   601: "Pfingstsonntag",
-   602: "Pfingstmontag",
-   808: "Augsburger Friedensfest",
-   815: "Mariae Himmelfahrt",
-   103: "Tag der Deutschen Einheit",
-   131: "Reformationstag",
-   111: "Allerheiligen",
-   121: "Heilig Abend",
-   122: "Erster Weihnachtstag",
-   123: "Zweiter Weihnachtstag"};*/
-
-  var fixedHolidays = {
+var fixedHolidays = {
   101: "0101",
   106: "0601",
   501: "0105",
@@ -48,16 +12,47 @@ function Holidays(year) {
   121: "2412",
   122: "2512",
   123: "2612"
-  };
+};
 
-  var variableOffsets = {
+var variableOffsets = {
   301: -2,
   302: 0,
   303: 1,
   502: 39,
   601: 49,
   602: 50
-  };
+};
+
+var specificHolidays = getRegionSpecificHolidays(holidayMapping);
+console.log(holidayMapping.sureHolidays.concat(holidayMapping.specificHolidays).sort());
+
+function getRegionSpecificHolidays(holidayMapping) {
+  var data = holidayMapping["region"];
+  var ids = [];
+  for (var key in data) {
+    var obj = data[key];
+    for (var i = 0; i < obj.length; i++) {
+      if (ids.indexOf(obj[i]) < 0)
+        ids.push(obj[i]);
+    }
+  }
+  return ids.sort();
+}
+
+function sureHolidays() {
+  var holidays = [];
+  for (var key in fixedHolidays) {
+    if(specificHolidays.indexOf(key) < 0)
+      holidays.push(key);
+  }
+  for (var key in variableOffsets) {
+    if(specificHolidays.indexOf(key) < 0)
+      holidays.push(key);
+  }
+  return holidays;
+}
+
+function Holidays(year) {
 
   var easterSundays = {
     2014: new Date(2014, 3, 20),
@@ -93,13 +88,13 @@ function Holidays(year) {
   var holidays = getFixedHolidays(fixedHolidays);
   holidays = getVariableHolidaysMap(variableOffsets, holidays);
 
-  this.getHolidayIDs = function(region, kath) {
-    if(region === 'BY') {
+  this.getHolidayIDs = function (region, kath) {
+    if (region === 'BY') {
 
     }
   };
 
-  this.getAllHolidays = function(region, kath) {
+  this.getAllHolidays = function (region, kath) {
     var result = [];
     for (var key in holidays) {
       result.push(holidays[key]);