Added result-collector; Relates to #48

spec/integration.spec.js

@@ -71,9 +71,9 @@ define(['quagga', 'async'], function(Quagga, async) {
             var config = generateConfig(),
                 testSet = [
                     {"name": "image-001.jpg", "result": "0001285112001000040801"},
-                    // {"name": "image-002.jpg", "result": "FANAVF1461710"},
+                    {"name": "image-002.jpg", "result": "FANAVF1461710"},
                     // {"name": "image-003.jpg", "result": "673023"},
-                    {"name": "image-004.jpg", "result": "010210150301625334"},
+                    // {"name": "image-004.jpg", "result": "010210150301625334"},
                     {"name": "image-005.jpg", "result": "419055603900009001012999"},
                     {"name": "image-006.jpg", "result": "419055603900009001012999"},
                     {"name": "image-007.jpg", "result": "T 000003552345"},

spec/result_collector.spec.js

@@ -0,0 +1,103 @@
+
+define(['result_collector', 'image_debug'], function(ResultCollector, ImageDebug) {
+    var canvasMock,
+        imageSize,
+        config;
+
+    beforeEach(function() {
+        imageSize = {x: 320, y: 240};
+        config = {
+            capture: true,
+            capacity: 20,
+            blacklist: [{code: "3574660239843", format: "ean_13"}],
+            filter: function(codeResult) {
+                return true;
+            }
+        };
+        canvasMock = {
+            getContext: function() {
+                return {};
+            },
+            toDataURL: sinon.spy(),
+            width: 0,
+            height: 0
+        };
+        sinon.stub(document, "createElement", function(type) {
+            if (type === "canvas") {
+                return canvasMock;
+            }
+        });
+    });
+
+    afterEach(function() {
+        document.createElement.restore();
+    });
+
+
+    describe('create', function () {
+        it("should return a new collector", function() {
+            ResultCollector.create(config);
+            expect(document.createElement.calledOnce).to.be.equal(true);
+            expect(document.createElement.getCall(0).args[0]).to.equal("canvas");
+        });
+    });
+
+    describe('addResult', function() {
+        beforeEach(function() {
+            sinon.stub(ImageDebug, "drawImage", function() {});
+        });
+
+        afterEach(function() {
+            ImageDebug.drawImage.restore();
+        });
+
+        it("should not add result if capacity is full", function(){
+            config.capacity = 1;
+            var collector = ResultCollector.create(config);
+            collector.addResult([], imageSize, {});
+            collector.addResult([], imageSize, {});
+            collector.addResult([], imageSize, {});
+            expect(collector.getResults()).to.have.length(1);
+        });
+
+        it("should only add results which match constraints", function(){
+            var collector = ResultCollector.create(config),
+                results;
+
+            collector.addResult([], imageSize, {code: "423423443", format: "ean_13"});
+            collector.addResult([], imageSize, {code: "3574660239843", format: "ean_13"});
+            collector.addResult([], imageSize, {code: "3574660239843", format: "code_128"});
+
+            results = collector.getResults();
+            expect(results).to.have.length(2);
+
+            results.forEach(function(result) {
+                expect(result).not.to.deep.equal(config.blacklist[0]);
+            });
+        });
+
+        it("should add result if no filter is set", function() {
+            delete config.filter;
+            var collector = ResultCollector.create(config);
+
+            collector.addResult([], imageSize, {code: "423423443", format: "ean_13"});
+            expect(collector.getResults()).to.have.length(1);
+        });
+
+        it("should not add results if filter returns false", function() {
+            config.filter = function(){ return false };
+            var collector = ResultCollector.create(config);
+
+            collector.addResult([], imageSize, {code: "423423443", format: "ean_13"});
+            expect(collector.getResults()).to.have.length(0);
+        });
+
+        it("should add result if no blacklist is set", function() {
+            delete config.blacklist;
+            var collector = ResultCollector.create(config);
+
+            collector.addResult([], imageSize, {code: "3574660239843", format: "ean_13"});
+            expect(collector.getResults()).to.have.length(1);
+        });
+    });
+});