GraphViewer: Added Tests for communication between Adapter and NodeReducer

html/admin/js/graphViewer/jasmine_test/specAdapter/arangoAdapterSpec.js

@@ -613,7 +613,11 @@
           beforeEach(function() {
       
             runs(function() {
-              
+              var self = this;
+              this.fakeReducerRequest = function() {};
+              spyOn(window, "NodeReducer").andCallFake(function(v, e) {
+                this.getCommunity = self.fakeReducerRequest;
+              });
               spyOn($, "ajax").andCallFake(function(request) {
                 if (spyHook !== undefined) {
                   if(!spyHook(request)) {
@@ -840,6 +844,22 @@
             });
           });
           
+          it('should trigger the reducer if too many nodes are added', function() {
+        
+            runs(function() {
+              adapter.setNodeLimit(6);
+              spyOn(this, "fakeReducerRequest");
+              adapter.loadNodeFromTreeById(c1, checkCallbackFunction);
+              expect(this.fakeReducerRequest).toHaveBeenCalledWith(6, c1);
+            });
+          });
+          
+          it('should not trigger the reducer if the limit is set large enough', function() {
+            spyOn(this, "fakeReducerRequest");
+            adapter.setNodeLimit(10);
+            expect(this.fakeReducerRequest).not.toHaveBeenCalled();
+          });
+          
           describe('that has loaded several queries', function() {
             var c8, c9, e2_8;
       

html/admin/js/graphViewer/jasmine_test/specNodeReducer/nodeReducerSpec.js

@@ -139,6 +139,19 @@
           expect(com).toContainNodes([5, 6, 7]);
         });
         
+        it('should also take the best community if no focus is given', function() {
+          helper.insertSimpleNodes(nodes, [0, 1, 2, 3, 4, 5, 6, 7]);
+          helper.insertClique(nodes, edges, [0, 1, 2]);
+          edges.push(helper.createSimpleEdge(nodes, 3, 2));
+          edges.push(helper.createSimpleEdge(nodes, 3, 4));
+          edges.push(helper.createSimpleEdge(nodes, 4, 5));
+          edges.push(helper.createSimpleEdge(nodes, 5, 6));
+          edges.push(helper.createSimpleEdge(nodes, 5, 7));
+          
+          var com = reducer.getCommunity(6);
+          expect(com).toContainNodes([0, 1, 2]);
+        });
+        
       });
       
     });