Started on node.js+socket.io+mongoDB on the backend for more responsivnes

server/node_modules/mongojs/test/test-group.js

@@ -0,0 +1,28 @@
+var insert = require('./insert');
+
+insert('group', [{
+  t: 242424,
+  online: 1
+}, {
+  t: 4244,
+  online: 0
+}], function(db, t, done) {
+  db.a.group({
+    key: {},
+    cond: {t: {$gte: 86400}},
+    initial: {count: 0, online: 0},
+    reduce: function(doc, out) {
+      out.count++;
+      out.online += doc.online;
+    },
+    finalize: function(out) {
+      out.avgOnline = out.online / out.count;
+    }
+  }, function(err, curOnline) {
+    t.ok(!err);
+    t.equal(curOnline[0].count, 1);
+    t.equal(curOnline[0].online, 1);
+    done();
+  });
+})
+