feat: sizeUploaded and timeRemaining functions added

Author: AidasK

src/flow.js

@@ -568,6 +568,32 @@
         totalSize += file.size;
       });
       return totalSize;
+    },
+
+    /**
+     * Returns the total size uploaded of all files in bytes.
+     * @function
+     * @returns {number}
+     */
+    sizeUploaded: function () {
+      var size = 0;
+      each(this.files, function (file) {
+        size += file.sizeUploaded();
+      });
+      return size;
+    },
+
+    /**
+     * Returns remaining time to upload all files in seconds. Accuracy is based on average speed.
+     * @function
+     * @returns {number}
+     */
+    timeRemaining: function () {
+      var time = 0;
+      each(this.files, function (file) {
+        time += file.timeRemaining();
+      });
+      return time;
     }
   };
 

test/setupSpec.js

@@ -5,7 +5,11 @@ describe('setup', function() {
   var flow;
 
   beforeEach(function () {
-    flow = new Flow();
+    flow = new Flow({
+      generateUniqueIdentifier: function (file) {
+        return file.size;
+      }
+    });
   });
 
   it('should be supported', function() {
@@ -31,11 +35,20 @@ describe('setup', function() {
   });
 
   it('test methods', function() {
-    expect(flow.getSize()).toBe(0);
     expect(flow.getFromUniqueIdentifier('')).toBe(false);
     expect(flow.progress()).toBe(0);
     expect(flow.isUploading()).toBe(false);
     expect(flow.uploadNextChunk()).toBe(false);
+    expect(flow.timeRemaining()).toBe(0);
+    expect(flow.sizeUploaded()).toBe(0);
+  });
+
+  it('test getSize', function() {
+    expect(flow.getSize()).toBe(0);
+    flow.addFile(new Blob(['1234']));
+    expect(flow.getSize()).toBe(4);
+    flow.addFile(new Blob(['123']));
+    expect(flow.getSize()).toBe(7);
   });
 
   describe('assignBrowse', function() {