diff --git a/spec/gridstack-spec.js b/spec/gridstack-spec.js
new file mode 100644
index 0000000..84026fe
--- /dev/null
+++ b/spec/gridstack-spec.js
@@ -0,0 +1,92 @@
+describe('gridstack', function() {
+    'use strict';
+
+    var e;
+    var w;
+
+    beforeEach(function() {
+        w = window;
+        e = w.GridStackUI.Engine;
+    });
+
+    describe('setup of gridstack', function() {
+
+        it('should exist setup function.', function() {
+
+            expect(e).not.toBeNull();
+            expect(typeof e).toBe('function');
+        });
+
+        it('should set default params correctly.', function() {
+            e.call(w);
+            expect(w.width).toBeUndefined();
+            expect(w.float).toBe(false);
+            expect(w.height).toEqual(0);
+            expect(w.nodes).toEqual([]);
+            expect(typeof w.onchange).toBe('function');
+            expect(w._updateCounter).toEqual(0);
+            expect(w._float).toEqual(w.float);
+        });
+
+        it('should set params correctly.', function() {
+            var fkt = function() { };
+            var arr = [1,2,3];
+
+            e.call(w, 1, fkt, true, 2, arr);
+            expect(w.width).toEqual(1);
+            expect(w.float).toBe(true);
+            expect(w.height).toEqual(2);
+            expect(w.nodes).toEqual(arr);
+            expect(w.onchange).toEqual(fkt);
+            expect(w._updateCounter).toEqual(0);
+            expect(w._float).toEqual(w.float);
+        });
+
+
+    });
+
+    describe('batch update', function() {
+
+        it('should set float and counter when calling batchUpdate.', function() {
+            e.prototype.batchUpdate.call(w);
+            expect(w.float).toBe(true);
+            expect(w._updateCounter).toEqual(1);
+        });
+
+        //test commit function
+
+    });
+
+    describe('sorting of nodes', function() {
+
+        it('should sort ascending with width.', function() {
+            w.nodes = [{x: 7, y: 0}, {x: 4, y: 4}, {x: 9, y: 0}, {x: 0, y: 1}];
+            e.prototype._sortNodes.call(w, 1);
+            expect(w.nodes).toEqual([{x: 0, y: 1}, {x: 7, y: 0}, {x: 4, y: 4}, {x: 9, y: 0}]);
+        });
+
+        it('should sort descending with width.', function() {
+            w.nodes = [{x: 7, y: 0}, {x: 4, y: 4}, {x: 9, y: 0}, {x: 0, y: 1}];
+            e.prototype._sortNodes.call(w, -1);
+            expect(w.nodes).toEqual([{x: 9, y: 0}, {x: 4, y: 4}, {x: 7, y: 0}, {x: 0, y: 1}]);
+        });
+
+        it('should sort ascending without width.', function() {
+            w.width = false;
+            w.nodes = [{x: 7, y: 0}, {x: 4, y: 4}, {x: 9, y: 0}, {x: 0, y: 1}];
+            e.prototype._sortNodes.call(w, 1);
+            expect(w.nodes).toEqual([{x: 0, y: 1}, {x: 7, y: 0}, {x: 4, y: 4}, {x: 9, y: 0}]);
+        });
+
+        it('should sort descending without width.', function() {
+            w.width = false;
+            w.nodes = [{x: 7, y: 0}, {x: 4, y: 4}, {x: 9, y: 0}, {x: 0, y: 1}];
+            e.prototype._sortNodes.call(w, -1);
+            expect(w.nodes).toEqual([{x: 9, y: 0}, {x: 4, y: 4}, {x: 7, y: 0}, {x: 0, y: 1}]);
+        });
+
+    });
+
+
+
+});
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diff --git a/spec/utils-spec.js b/spec/utils-spec.js
new file mode 100644
index 0000000..45b17dc
--- /dev/null
+++ b/spec/utils-spec.js
@@ -0,0 +1,43 @@
+describe('gridstack utils', function() {
+    'use strict';
+
+    var utils;
+
+    beforeEach(function() {
+        utils = window.GridStackUI.Utils;
+    });
+
+    describe('setup of utils', function() {
+
+        it('should set gridstack utils.', function() {
+            expect(utils).not.toBeNull();
+            expect(typeof utils).toBe('object');
+        });
+
+    });
+
+    describe('test toBool', function() {
+
+        it('should return booleans.', function() {
+            expect(utils.toBool(true)).toEqual(true);
+            expect(utils.toBool(false)).toEqual(false);
+        });
+
+        it('should work with integer.', function() {
+            expect(utils.toBool(1)).toEqual(true);
+            expect(utils.toBool(0)).toEqual(false);
+        });
+
+        it('should work with Strings.', function() {
+            expect(utils.toBool('')).toEqual(false);
+            expect(utils.toBool('0')).toEqual(false);
+            expect(utils.toBool('no')).toEqual(false);
+            expect(utils.toBool('false')).toEqual(false);
+            expect(utils.toBool('yes')).toEqual(true);
+            expect(utils.toBool('yadda')).toEqual(true);
+        });
+
+    });
+
+
+});
\ No newline at end of file