add basic test setup with karma, mocha, chai and sinon

spec/array_helper.spec.js

@@ -0,0 +1,53 @@
+define(['array_helper'], function(ArrayHelper){
+    describe('init', function() {
+        it('initializes an array with the given value', function() {
+            var input = [0, 0, 0];
+            ArrayHelper.init(input, 5);
+            expect(input).to.deep.equal([5, 5, 5]);
+        });
+    });
+
+    describe('shuffle', function() {
+        before(function() {
+            sinon.stub(Math, 'random').returns(0.5);
+        });
+
+        after(function() {
+            sinon.restore(Math);
+        });
+        it('shuffles the content of an array', function() {
+            var input = [1, 2, 3];
+            expect(ArrayHelper.shuffle(input)).to.deep.equal([3, 1, 2]);
+        });
+    });
+
+    describe('toPointList', function() {
+        it('converts an Array to a List of poitns', function() {
+            var input = [[1, 2], [2, 2], [3, 2]];
+            expect(ArrayHelper.toPointList(input)).to.equal("[[1,2],\r\n[2,2],\r\n[3,2]]");
+        });
+    });
+
+    describe('threshold', function() {
+        it('returns all elements above the given threshold', function() {
+            var input = [1, 2, 3];
+            expect(ArrayHelper.threshold(input, 2, function(score) { 
+                return score * 1.5;
+            })).to.deep.equal([2, 3]);
+        });
+    });
+
+    describe('maxIndex', function() {
+        it('gets the index of the biggest element in the array', function() {
+            var input = [1, 2, 3];
+            expect(ArrayHelper.maxIndex(input)).to.equal(2);
+        });
+    });
+
+    describe('max', function() {
+        it('gets the biggest element in the array', function() {
+            var input = [1, 3, 2];
+            expect(ArrayHelper.max(input)).to.equal(3);
+        });
+    });
+});

spec/cv_utils.spec.js

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+
+define(['cv_utils'], function(CVUtils){
+    describe('imageRef', function() {
+        it('gets the image Reference for a coordinate', function() {
+            var res = CVUtils.imageRef(1, 2);
+            expect(res.x).to.equal(1);
+            expect(res.y).to.equal(2);
+            expect(res.toVec2()[0]).to.equal(1);
+        });
+    });
+});