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

server/node_modules/mongojs/test/test-bulk-updates.js

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+var insert = require('./insert');
+
+insert('bulk', [{
+  name:'Squirtle', type:'water'
+}, {
+  name:'Starmie' , type:'water'
+}, {
+  name:'Lapras'  , type:'water'
+}, {
+  name: 'Charmander', type: 'fire'
+}], function(db, t, done) {
+  db.runCommand('serverStatus', function(err, resp) {
+    if (err) return t.fail();
+    if (parseFloat(resp.version) < 2.6) return t.end();
+
+    var bulk = db.a.initializeOrderedBulkOp();
+    bulk.find({type: 'water'}).update({$set: {level: 1}});
+    bulk.find({type: 'water'}).update({$inc: {level: 2}});
+    bulk.insert({name: 'Spearow', type: 'flying'});
+    bulk.insert({name: 'Pidgeotto', type: 'flying'});
+    bulk.insert({name: 'Charmeleon', type: 'fire'});
+    bulk.find({type: 'flying'}).removeOne();
+    bulk.find({type: 'fire'}).remove();
+    bulk.find({type: 'water'}).updateOne({$set: {hp: 100}});
+
+    bulk.execute(function(err, res) {
+      t.ok(res.ok);
+      db.a.find(function(err, res) {
+        t.equal(res[0].name, 'Squirtle');
+        t.equal(res[1].name, 'Starmie');
+        t.equal(res[2].name, 'Lapras');
+        t.equal(res[3].name, 'Pidgeotto');
+
+        t.equal(res[0].level, 3);
+        t.equal(res[1].level, 3);
+        t.equal(res[2].level, 3);
+
+        t.equal(res[0].hp, 100);
+        t.end();
+      });
+    });
+  });
+});