Added tests for Instance.save()

test/instance_db.js

@@ -12,6 +12,7 @@ describe('orm', function () {
 
 		var model = new Model(db, 'instances', {
 			username: String,
+			age: Number,
 			sessions: [{
 				id: String,
 				expires: Date
@@ -38,13 +39,16 @@ describe('orm', function () {
 				it('should correctly store changes made to the instance', function(done) {
 					model.create({
 						username: 'billy',
+						age: 10,
 						sessions: [{
 							id: 'aaaa',
 							expires: new Date()
 						}]
 					}, function(err, original) {
 						if(err) return done(err);
 
+						original.age = 12;
+
 						original.sessions.push({
 							id: 'bbbb',
 							expires: new Date()
@@ -53,12 +57,57 @@ describe('orm', function () {
 						original.save(function(err, updated) {
 							if(err) return done(err);
 							updated.should.equal(original);
+							updated.age.should.eql(12);
 							updated.sessions.length.toString().should.eql('2');
 
 							done();
 						});
 					});
 				});
+
+				it('should allow passing of specific change-sets', function(done) {
+					model.create({
+						username: 'bob',
+						age: 12,
+						sessions: [{
+							id: 'aaaa',
+							expires: new Date()
+						}]
+					}, function(err, instance) {
+						if(err) return done(err);
+
+						instance.save({ $set: { sessions: [] }, $inc: { age: 1 }}, function(err) {
+							if(err) return done(err);
+							instance.age.should.eql(13);
+							instance.sessions.should.eql([]);
+							done();
+						});
+					});
+				});
+
+				it('should allow conditions and changesets to be used', function(done) {
+					model.create({
+						username: 'sally',
+						age: 15,
+						sessions: [{
+							id: 'aaaa',
+							expires: new Date()
+						}]
+					}, function(err, instance) {
+						if(err) return done(err);
+						instance.save({ age: 14 }, { $inc: { age: 1 }}, function(err) {
+							if(err) return done(err);
+							instance.age.should.eql(15);
+
+							instance.save({ age: 15 }, { $inc: { age: 1 }}, function(err) {
+								if(err) return done(err);
+								instance.age.should.eql(16);
+
+								done();
+							});
+						});
+					});
+				});
 			});
 		});
 	});