public override void TearDown()
        {
            // Drop test entity.
            if (_SqlLocalDbInstance != null)
            {
                using (SqlConnection connection = _SqlLocalDbInstance.CreateConnection())
                {
                    connection.Open();

                    var command = connection.CreateCommand();
                    command.CommandType = CommandType.Text;
                    var sql = GetDropTestTableSql(TestEntityName2);
                    Console.WriteLine("Executing local db command " + sql);
                    command.CommandText = sql;
                    var result = command.ExecuteNonQuery();
                    Assert.AreEqual(result, -1);

                    sql = GetDropTestTableSql(TestEntityName);
                    Console.WriteLine("Executing local db command " + sql);
                    command.CommandText = sql;
                    result = command.ExecuteNonQuery();
                    Assert.AreEqual(result, -1);
                }

                // Stop localdb instance.
                _SqlLocalDbInstance.Stop();
            }


            base.TearDown();
        }
Ejemplo n.º 2
0
        public override TestCluster CreateTestCluster()
        {
            var options = new TestClusterOptions();

            options.ClientConfiguration.AddSimpleMessageStreamProvider(StreamProviderName, false);
            options.ClusterConfiguration.AddSimpleMessageStreamProvider(StreamProviderName, false);


            foreach (var item in dbNames)
            {
                string actualDBName = item.Value;
                string dbName       = item.Key;
                using (SqlConnection connection = instance.CreateConnection())
                {
                    connection.Open();
                    using (SqlCommand command = new SqlCommand($"create database [{actualDBName}]", connection))
                    {
                        command.ExecuteNonQuery();
                    }
                }
                var sbuilder = instance.CreateConnectionStringBuilder();
                sbuilder.SetInitialCatalogName(actualDBName);

                options.ClusterConfiguration.AddSimpleSQLStorageProvider(dbName, sbuilder.ConnectionString, "true");
            }


            return(new TestCluster(options));
        }
Ejemplo n.º 3
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        public override void Dispose()
        {
            using (var sqlConnection = new SqlConnection(ConnectionString))
            {
                // Fixes: "Cannot drop database because it is currently in use"
                SqlConnection.ClearPool(sqlConnection);
            }

            using (var connection = _localDbInstance.CreateConnection())
            {
                connection.Open();
                using (var command = new SqlCommand($"DROP DATABASE [{_databaseName}]", connection))
                {
                    command.ExecuteNonQuery();
                }
            }
        }
Ejemplo n.º 4
0
        private async Task CreateDatabase(string location = null)
        {
            var commandText = location == null
                ? $"CREATE DATABASE {_databaseName}"
                : $"CREATE DATABASE {_databaseName} ON (name = '{_databaseName}', filename = '{Path.Combine(location, _databaseName)}')";

            using (var connection = _localDbInstance.CreateConnection())
            {
                await connection.OpenAsync();

                using (var command = new SqlCommand(commandText, connection))
                {
                    await command.ExecuteNonQueryAsync();
                }
            }
            _databaseCreated = true;
        }
        //public override void SetUp()
        //{
        //    try
        //    {
        //        base.SetUp();

        //        // Start a Local DB instance.
        //        _SqlLocalDbInstance = _SqlLocalDbProvider.GetOrCreateInstance("SchemaTesting");
        //        _SqlLocalDbInstance.Start();

        //    }
        //    catch (Exception e)
        //    {
        //        Console.WriteLine(e.ToString());
        //        throw;
        //    }

        //}

        private void PrepareTestData()
        {
            _SqlLocalDbProvider = new SqlLocalDbProvider();
            _SqlLocalDbInstance = _SqlLocalDbProvider.GetOrCreateInstance("SchemaTesting");
            _SqlLocalDbInstance.Start();

            // Get the SQL to create a couple of differen tables
            string tableOneName;
            string createTableSql1 = GetCreateTestTableSql(out tableOneName);

            TestEntityName = tableOneName;

            string table2Name;
            string createTableSql2 = GetCreateTestTableSql(out table2Name);

            TestEntityName2 = table2Name;

            // create a foreign key column between them.
            var alterTableAddForeignKey = string.Format("ALTER TABLE {0} ADD {1}Id UNIQUEIDENTIFIER CONSTRAINT {0}_{1} REFERENCES {1}", tableOneName, table2Name);


            //  CreateTestEntity();

            // Create table in LocalDB
            using (SqlConnection connection = _SqlLocalDbInstance.CreateConnection())
            {
                connection.Open();

                // create the first table
                var command = connection.CreateCommand();
                command.CommandType = CommandType.Text;

                Console.WriteLine("Executing local db command " + createTableSql1);
                command.CommandText = createTableSql1;

                var result = command.ExecuteNonQuery();
                Assert.AreEqual(result, -1);

                // create the second table
                command.CommandText = createTableSql2;
                result = command.ExecuteNonQuery();
                Assert.AreEqual(result, -1);

                // create a column in the first table that is a foreign key so it references the second table
                command.CommandText = alterTableAddForeignKey;
                result = command.ExecuteNonQuery();
                Assert.AreEqual(result, -1);
            }

            // Create first table in Crm
            ExecuteCrmNonQuery(createTableSql1, -1);

            // Create second table in Crm
            ExecuteCrmNonQuery(createTableSql2, -1);

            // create a column in the first table that is a foreign key so it references the second table
            ExecuteCrmNonQuery(alterTableAddForeignKey, -1);
        }
Ejemplo n.º 6
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        public SqlServerTests()
        {
            _localDb = new SqlLocalDbApiWrapper();
            ISqlLocalDbProvider provider = new SqlLocalDbProvider();
            string instanceName          = Guid.NewGuid().ToString();

            _instance = provider.CreateInstance(instanceName);

            _instance.Start();

            _connection = _instance.CreateConnection();
            _connection.Open();

            _database = new Database(_connection);

            _database.Execute("create database [SqlServerTests]");
        }
        private SqlConnectionStringBuilder CreateADatabase(Random rnd)
        {
            string actualDBName = rnd.Next().ToString();

            using (SqlConnection connection = instance.CreateConnection())
            {
                connection.Open();
                using (SqlCommand command = new SqlCommand($"create database [{actualDBName}]", connection))
                {
                    command.ExecuteNonQuery();
                }
            }
            var sbuilder = instance.CreateConnectionStringBuilder();

            sbuilder.SetInitialCatalogName(actualDBName);
            return(sbuilder);
        }
Ejemplo n.º 8
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        /// <summary>
        /// Teste l'existence d'une base de donnée de KL2 dans l'instance par défault
        /// </summary>
        /// <returns></returns>
        public static async Task <bool> LocalDB_KL2DataBase_Exists()
        {
            try
            {
                ISqlLocalDbInstance instance = (new SqlLocalDbProvider()).GetInstance(Const.InstanceName_v3);
                using (var conn = instance.CreateConnection())
                {
                    await conn.OpenAsync();

                    conn.ChangeDatabase(Const.DataBaseName_v3);
                    conn.Close();
                }
                return(true);
            }
            catch
            {
                return(false);
            }
        }
Ejemplo n.º 9
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        static void Main()
        {
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);


            ISqlLocalDbApi localDB = new SqlLocalDbApiWrapper();

            if (!localDB.IsLocalDBInstalled())
            {
                MessageBox.Show("Máy tính của bạn phải cài đặt SQL Server LocalDB hoặc phiên bản Express để có thể sử dụng phần mềm.");
                return;
            }

            string uuid = "nhom7-928cf731-171f-464f-aa55-24e814eeb224";

            ISqlLocalDbProvider provider = new SqlLocalDbProvider();

            IList <ISqlLocalDbInstanceInfo> instances = provider.GetInstances();

            bool flag = false;

            foreach (ISqlLocalDbInstanceInfo instanceInfo in instances)
            {
                if (instanceInfo.Name == uuid)
                {
                    flag = true;
                    break;
                }
            }

            if (!flag)
            {
                WaitForm frm = new WaitForm();
                frm.Show();
                ISqlLocalDbInstance instance = provider.CreateInstance(uuid);
                instance.Start();

                try
                {
                    if (IsCurrentUserAdmin())
                    {
                    }
                    try
                    {
                        using (SqlConnection connection = instance.CreateConnection())
                        {
                            connection.Open();
                            try
                            {
                                string   scriptText   = Resources.script.ToString();
                                string[] splitter     = new string[] { "\r\nGO\r\n" };
                                string[] commandTexts = scriptText.Split(splitter, StringSplitOptions.RemoveEmptyEntries);
                                foreach (string commandText in commandTexts)
                                {
                                    using (SqlCommand command = new SqlCommand(commandText, connection))
                                    {
                                        command.ExecuteNonQuery();
                                    }
                                }
                            }
                            finally
                            {
                                connection.Close();
                            }
                        }
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex.ToString());
                    }
                    finally
                    {
                        if (IsCurrentUserAdmin())
                        {
                        }
                    }
                }
                catch (Exception ex)
                {
                    Console.WriteLine(ex.ToString());
                }
                finally
                {
                    instance.Stop();
                }

                frm.Close();
            }
            else
            {
                ISqlLocalDbInstance instance = provider.GetInstance(uuid);
            }

            Global.connstring = @"Data Source=(LocalDB)\nhom7-928cf731-171f-464f-aa55-24e814eeb224;Initial Catalog=QUANLYTHUVIEN_Nhom7_14521100_15520048_15520062_15520115;Integrated Security=True";

            Application.Run(new frmDangNhap());
        }
        //public override void SetUp()
        //{
        //    try
        //    {
        //        base.SetUp();
        //        // Start a Local DB instance.
        //        _SqlLocalDbInstance = _SqlLocalDbProvider.GetOrCreateInstance("SchemaTesting");
        //        _SqlLocalDbInstance.Start();
        //    }
        //    catch (Exception e)
        //    {
        //        Console.WriteLine(e.ToString());
        //        throw;
        //    }
        //}
        private void PrepareTestData()
        {
            _SqlLocalDbProvider = new SqlLocalDbProvider();
            _SqlLocalDbInstance = _SqlLocalDbProvider.GetOrCreateInstance("SchemaTesting");
            _SqlLocalDbInstance.Start();

            // Get the SQL to create a couple of differen tables
            string tableOneName;
            string createTableSql1 = GetCreateTestTableSql(out tableOneName);
            TestEntityName = tableOneName;

            string table2Name;
            string createTableSql2 = GetCreateTestTableSql(out table2Name);
            TestEntityName2 = table2Name;

            // create a foreign key column between them.
            var alterTableAddForeignKey = string.Format("ALTER TABLE {0} ADD {1}Id UNIQUEIDENTIFIER CONSTRAINT {0}_{1} REFERENCES {1}", tableOneName, table2Name);

            //  CreateTestEntity();

            // Create table in LocalDB
            using (SqlConnection connection = _SqlLocalDbInstance.CreateConnection())
            {
                connection.Open();

                // create the first table
                var command = connection.CreateCommand();
                command.CommandType = CommandType.Text;

                Console.WriteLine("Executing local db command " + createTableSql1);
                command.CommandText = createTableSql1;

                var result = command.ExecuteNonQuery();
                Assert.AreEqual(result, -1);

                // create the second table
                command.CommandText = createTableSql2;
                result = command.ExecuteNonQuery();
                Assert.AreEqual(result, -1);

                // create a column in the first table that is a foreign key so it references the second table
                command.CommandText = alterTableAddForeignKey;
                result = command.ExecuteNonQuery();
                Assert.AreEqual(result, -1);

            }

            // Create first table in Crm
            ExecuteCrmNonQuery(createTableSql1, -1);

            // Create second table in Crm
            ExecuteCrmNonQuery(createTableSql2, -1);

            // create a column in the first table that is a foreign key so it references the second table
            ExecuteCrmNonQuery(alterTableAddForeignKey, -1);
        }
        public void WriteSchemaFilesForComparison()
        {
            PrepareTestData();

            var sut = new SchemaCollectionsProvider();

            _SqlLocalDbInstance = _SqlLocalDbProvider.GetOrCreateInstance("SchemaTesting");
            _SqlLocalDbInstance.Start();

            var connectionString = ConfigurationManager.ConnectionStrings["CrmOrganisation"];
            var builder = GetStringBuilder();

            using (var conn = new CrmDbConnection(connectionString.ConnectionString))
            {
                // Output common schema collections (https://msdn.microsoft.com/en-us/library/ms254501(v=vs.110).aspx)

                // and also sql local db sql server schema collections (https://msdn.microsoft.com/en-us/library/ms254501(v=vs.110).aspx)
                using (SqlConnection connection = _SqlLocalDbInstance.CreateConnection())
                {
                    connection.Open();

                    // for each connection, we are writing its schema collection to CSV format for easy comparison.
                    // We are writing sql server first, followed by crmado's.

                    WriteDataTableToCsv("Sql MetaDataCollections", builder, connection.GetSchema("MetaDataCollections"));
                    WriteDataTableToCsv("CrmAdo MetaDataCollections", builder, sut.GetMetadataCollections());

                    WriteDataTableToCsv("Sql DataSourceInformation", builder, connection.GetSchema("DataSourceInformation"));
                    WriteDataTableToCsv("CrmAdo DataSourceInformation", builder, sut.GetDataSourceInfo(conn));

                    WriteDataTableToCsv("Sql DataTypes", builder, connection.GetSchema("DataTypes"));
                    WriteDataTableToCsv("CrmAdo DataTypes", builder, sut.GetDataTypes());

                    WriteDataTableToCsv("Sql Restrictions", builder, connection.GetSchema("Restrictions"));
                    WriteDataTableToCsv("CrmAdo Restrictions", builder, sut.GetRestrictions());

                    WriteDataTableToCsv("Sql ReservedWords", builder, connection.GetSchema("ReservedWords"));
                    WriteDataTableToCsv("CrmAdo ReservedWords", builder, sut.GetReservedWords());

                    WriteDataTableToCsv("Sql Tables", builder, connection.GetSchema("Tables"));
                    WriteDataTableToCsv("CrmAdo Tables", builder, sut.GetTables(conn, null));

                    WriteDataTableToCsv("Sql Columns", builder, connection.GetSchema("Columns"));
                    WriteDataTableToCsv("CrmAdo Columns", builder, sut.GetColumns(conn, null));

                    WriteDataTableToCsv("Sql Views", builder, connection.GetSchema("Views"));
                    WriteDataTableToCsv("CrmAdo Views", builder, sut.GetViews(conn, null));

                    WriteDataTableToCsv("Sql ViewColumns", builder, connection.GetSchema("ViewColumns"));
                    WriteDataTableToCsv("CrmAdo View Columns", builder, sut.GetViewColumns(conn, null));

                    WriteDataTableToCsv("Sql Indexes", builder, connection.GetSchema("Indexes"));
                    WriteDataTableToCsv("CrmAdo Indexes", builder, sut.GetIndexes(conn, null));

                    WriteDataTableToCsv("Sql IndexColumns", builder, connection.GetSchema("IndexColumns"));
                    WriteDataTableToCsv("CrmAdo IndexColumns", builder, sut.GetIndexColumns(conn, null));

                    WriteDataTableToCsv("Sql ForeignKeys", builder, connection.GetSchema("ForeignKeys"));
                    WriteDataTableToCsv("CrmAdo ForeignKeys", builder, sut.GetForeignKeys(conn, null));

                    WriteDataTableToCsv("Sql Users", builder, connection.GetSchema("Users"));
                    WriteDataTableToCsv("CrmAdo Users", builder, sut.GetUsers(conn, null));

                    WriteDataTableToCsv("Sql Databases", builder, connection.GetSchema("Databases"));
                    WriteDataTableToCsv("CrmAdo Databases", builder, sut.GetDatabases(conn, null));
                }

                _SqlLocalDbInstance.Stop();

            }

            // save the csv file to disk

            var path = System.IO.Path.Combine(Environment.CurrentDirectory, "schema comparison report" + ".csv");
            System.IO.File.WriteAllText(path, builder.ToString());
            Console.WriteLine("comparison report written to: " + path);
        }
Ejemplo n.º 12
0
        internal static void Main(string[] args)
        {
            PrintBanner();

            ISqlLocalDbApi localDB = new SqlLocalDbApiWrapper();

            if (!localDB.IsLocalDBInstalled())
            {
                Console.WriteLine(SR.SqlLocalDbApi_NotInstalledFormat, Environment.MachineName);
                return;
            }

            if (args?.Length == 1 && string.Equals(args[0], "/deleteuserinstances", StringComparison.OrdinalIgnoreCase))
            {
                SqlLocalDbApi.DeleteUserInstances(deleteFiles: true);
            }

            ISqlLocalDbProvider provider = new SqlLocalDbProvider();

            IList <ISqlLocalDbVersionInfo> versions = provider.GetVersions();

            Console.WriteLine(Strings.Program_VersionsListHeader);
            Console.WriteLine();

            foreach (ISqlLocalDbVersionInfo version in versions)
            {
                Console.WriteLine(version.Name);
            }

            Console.WriteLine();

            IList <ISqlLocalDbInstanceInfo> instances = provider.GetInstances();

            Console.WriteLine(Strings.Program_InstancesListHeader);
            Console.WriteLine();

            foreach (ISqlLocalDbInstanceInfo instanceInfo in instances)
            {
                Console.WriteLine(instanceInfo.Name);
            }

            Console.WriteLine();

            string instanceName = Guid.NewGuid().ToString();

            ISqlLocalDbInstance instance = provider.CreateInstance(instanceName);

            instance.Start();

            try
            {
                if (IsCurrentUserAdmin())
                {
                    instance.Share(Guid.NewGuid().ToString());
                }

                try
                {
                    using (SqlConnection connection = instance.CreateConnection())
                    {
                        connection.Open();

                        try
                        {
                            using (SqlCommand command = new SqlCommand("create database [MyDatabase]", connection))
                            {
                                command.ExecuteNonQuery();
                            }

                            using (SqlCommand command = new SqlCommand("drop database [MyDatabase]", connection))
                            {
                                command.ExecuteNonQuery();
                            }
                        }
                        finally
                        {
                            connection.Close();
                        }
                    }
                }
                finally
                {
                    if (IsCurrentUserAdmin())
                    {
                        instance.Unshare();
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }
            finally
            {
                instance.Stop();
                localDB.DeleteInstance(instance.Name);
            }

            Console.WriteLine();
            Console.Write(Strings.Program_ExitPrompt);
            Console.ReadKey();
        }
        public void WriteSchemaFilesForComparison()
        {
            PrepareTestData();

            var sut = new SchemaCollectionsProvider();

            _SqlLocalDbInstance = _SqlLocalDbProvider.GetOrCreateInstance("SchemaTesting");
            _SqlLocalDbInstance.Start();

            var connectionString = ConfigurationManager.ConnectionStrings["CrmOrganisation"];
            var builder          = GetStringBuilder();

            using (var conn = new CrmDbConnection(connectionString.ConnectionString))
            {
                // Output common schema collections (https://msdn.microsoft.com/en-us/library/ms254501(v=vs.110).aspx)


                // and also sql local db sql server schema collections (https://msdn.microsoft.com/en-us/library/ms254501(v=vs.110).aspx)
                using (SqlConnection connection = _SqlLocalDbInstance.CreateConnection())
                {
                    connection.Open();

                    // for each connection, we are writing its schema collection to CSV format for easy comparison.
                    // We are writing sql server first, followed by crmado's.

                    WriteDataTableToCsv("Sql MetaDataCollections", builder, connection.GetSchema("MetaDataCollections"));
                    WriteDataTableToCsv("CrmAdo MetaDataCollections", builder, sut.GetMetadataCollections());

                    WriteDataTableToCsv("Sql DataSourceInformation", builder, connection.GetSchema("DataSourceInformation"));
                    WriteDataTableToCsv("CrmAdo DataSourceInformation", builder, sut.GetDataSourceInfo(conn));

                    WriteDataTableToCsv("Sql DataTypes", builder, connection.GetSchema("DataTypes"));
                    WriteDataTableToCsv("CrmAdo DataTypes", builder, sut.GetDataTypes());

                    WriteDataTableToCsv("Sql Restrictions", builder, connection.GetSchema("Restrictions"));
                    WriteDataTableToCsv("CrmAdo Restrictions", builder, sut.GetRestrictions());

                    WriteDataTableToCsv("Sql ReservedWords", builder, connection.GetSchema("ReservedWords"));
                    WriteDataTableToCsv("CrmAdo ReservedWords", builder, sut.GetReservedWords());

                    WriteDataTableToCsv("Sql Tables", builder, connection.GetSchema("Tables"));
                    WriteDataTableToCsv("CrmAdo Tables", builder, sut.GetTables(conn, null));

                    WriteDataTableToCsv("Sql Columns", builder, connection.GetSchema("Columns"));
                    WriteDataTableToCsv("CrmAdo Columns", builder, sut.GetColumns(conn, null));

                    WriteDataTableToCsv("Sql Views", builder, connection.GetSchema("Views"));
                    WriteDataTableToCsv("CrmAdo Views", builder, sut.GetViews(conn, null));

                    WriteDataTableToCsv("Sql ViewColumns", builder, connection.GetSchema("ViewColumns"));
                    WriteDataTableToCsv("CrmAdo View Columns", builder, sut.GetViewColumns(conn, null));

                    WriteDataTableToCsv("Sql Indexes", builder, connection.GetSchema("Indexes"));
                    WriteDataTableToCsv("CrmAdo Indexes", builder, sut.GetIndexes(conn, null));

                    WriteDataTableToCsv("Sql IndexColumns", builder, connection.GetSchema("IndexColumns"));
                    WriteDataTableToCsv("CrmAdo IndexColumns", builder, sut.GetIndexColumns(conn, null));

                    WriteDataTableToCsv("Sql ForeignKeys", builder, connection.GetSchema("ForeignKeys"));
                    WriteDataTableToCsv("CrmAdo ForeignKeys", builder, sut.GetForeignKeys(conn, null));

                    WriteDataTableToCsv("Sql Users", builder, connection.GetSchema("Users"));
                    WriteDataTableToCsv("CrmAdo Users", builder, sut.GetUsers(conn, null));

                    WriteDataTableToCsv("Sql Databases", builder, connection.GetSchema("Databases"));
                    WriteDataTableToCsv("CrmAdo Databases", builder, sut.GetDatabases(conn, null));
                }

                _SqlLocalDbInstance.Stop();
            }

            // save the csv file to disk

            var path = System.IO.Path.Combine(Environment.CurrentDirectory, "schema comparison report" + ".csv");

            System.IO.File.WriteAllText(path, builder.ToString());
            Console.WriteLine("comparison report written to: " + path);
        }
Ejemplo n.º 14
0
        /// <summary>
        /// Tests the lifecycle of SQL LocalDB instances.
        /// </summary>
        /// <param name="localDB">The <see cref="ISqlLocalDbApi"/> to use.</param>
        /// <param name="provider">The <see cref="ISqlLocalDbProvider"/> to use.</param>
        private static void TestInstanceLifecycle(ISqlLocalDbApi localDB, ISqlLocalDbProvider provider)
        {
            string instanceName       = Guid.NewGuid().ToString();
            string sharedInstanceName = string.Empty;

            ISqlLocalDbInstance instance = provider.CreateInstance(instanceName);

            instance.Start();

            try
            {
                bool currentUserIsAdmin = Helpers.IsCurrentUserAdmin();

                if (currentUserIsAdmin)
                {
                    sharedInstanceName = Guid.NewGuid().ToString();
                    instance.Share(sharedInstanceName);

                    // Restart the instance so it listens on the new shared name's pipe
                    instance.Restart();
                }

                try
                {
                    ISqlLocalDbInstanceInfo info = provider.GetInstances()
                                                   .Where((p) => string.Equals(p.Name, instanceName, StringComparison.Ordinal))
                                                   .FirstOrDefault();

                    Assert.IsNotNull(info, "GetInstances() did not return the created instance.");
                    Assert.AreEqual(sharedInstanceName, info.SharedName, "ISqlLocalDbInstanceInfo.SharedName is incorrect.");

                    using (SqlConnection connection = instance.CreateConnection())
                    {
                        Assert.IsNotNull(connection, "CreateConnection() returned null.");
                        TestConnection(connection);
                    }

                    if (currentUserIsAdmin)
                    {
                        SqlConnectionStringBuilder builder = new SqlConnectionStringBuilder()
                        {
                            DataSource         = $@"(localdb)\.\{sharedInstanceName}",
                            IntegratedSecurity = true
                        };

                        using (SqlConnection connection = new SqlConnection(builder.ConnectionString))
                        {
                            TestConnection(connection);
                        }
                    }
                }
                finally
                {
                    if (currentUserIsAdmin)
                    {
                        instance.Unshare();
                    }
                }
            }
            finally
            {
                instance.Stop();
                localDB.DeleteInstance(instance.Name);
            }
        }
 /// <summary>
 /// Creates a connection to the LocalDB instance.
 /// </summary>
 /// <returns>
 /// An instance of <see cref="SqlConnection" /> that
 /// can be used to connect to the LocalDB instance.
 /// </returns>
 /// <exception cref="ObjectDisposedException">
 /// The instance has been disposed.
 /// </exception>
 public SqlConnection CreateConnection()
 {
     EnsureNotDisposed();
     return(_instance.CreateConnection());
 }