Microsoft.Azure.ServiceManagemenet.Common.ProfileClient.AddOrSetSubscription C# (CSharp) Method

        public AzureSubscription AddOrSetSubscription(AzureSubscription subscription)
        {
            if (subscription == null)
            {
                throw new ArgumentNullException("subscription", Resources.SubscriptionNeedsToBeSpecified);
            }
            if (subscription.Environment == null)
            {
                throw new ArgumentNullException("subscription.Environment", Resources.EnvironmentNeedsToBeSpecified);
            }
            // Validate environment
            GetEnvironmentOrDefault(subscription.Environment);

            if (Profile.Subscriptions.ContainsKey(subscription.Id))
            {
                Profile.Subscriptions[subscription.Id] = MergeSubscriptionProperties(subscription, Profile.Subscriptions[subscription.Id]);
            }
            else
            {
                Debug.Assert(!string.IsNullOrEmpty(subscription.Account));
                if (!Profile.Accounts.ContainsKey(subscription.Account))
                {
                    throw new KeyNotFoundException(string.Format("The specified account {0} does not exist in profile accounts", subscription.Account));
                }

                Profile.Subscriptions[subscription.Id] = subscription;
            }

            return Profile.Subscriptions[subscription.Id];
        }

        public void BaseSetup()
        {
            if (AzureSession.DataStore != null && !(AzureSession.DataStore is MemoryDataStore))
            {
                AzureSession.DataStore = new MemoryDataStore();
            }
            currentProfile = new AzureSMProfile();

            if (currentProfile.Context.Subscription == null)
            {
                var newGuid = Guid.NewGuid();
                var client = new ProfileClient(currentProfile);
                client.AddOrSetAccount(new AzureAccount
                    {
                        Id = "test",
                        Type = AzureAccount.AccountType.User,
                        Properties = new Dictionary<AzureAccount.Property, string>
                        {
                            {AzureAccount.Property.Subscriptions, newGuid.ToString()}
                        }
                    });
               client.AddOrSetSubscription( new AzureSubscription { Id = newGuid, Name = "test", Environment = EnvironmentName.AzureCloud, Account = "test" });
               client.SetSubscriptionAsDefault(newGuid, "test");
           }
            AzureSession.AuthenticationFactory = new MockTokenAuthenticationFactory();
        }