public void CallingProcessWithPerformDBOperationExpressionWhenInPreviewOnlyModeWillNotMakeDbChanges()
        {
            var output = new StringWriter();

            var connection = new SQLiteConnection(IntegrationTestOptions.SqlLite.ConnectionString);

            var processor = new SQLiteProcessor(
                connection,
                new SQLiteGenerator(),
                new TextWriterAnnouncer(output),
                new ProcessorOptions {
                PreviewOnly = true
            },
                new SQLiteDbFactory());

            bool tableExists;

            try
            {
                var expression =
                    new PerformDBOperationExpression
                {
                    Operation = (con, trans) =>
                    {
                        var command = con.CreateCommand();
                        command.CommandText = "CREATE TABLE ProcessTestTable (test int NULL) ";
                        command.Transaction = trans;

                        command.ExecuteNonQuery();
                    }
                };

                processor.Process(expression);

                tableExists = processor.TableExists("", "ProcessTestTable");
            }
            finally
            {
                processor.RollbackTransaction();
            }

            tableExists.ShouldBeFalse();

            Assert.That(output.ToString(), Is.StringContaining(@"/* Performing DB Operation */"));
        }
        public void CanDefaultAutoIncrementColumnTypeToInteger()
        {
            var column = new ColumnDefinition
            {
                Name         = "Id",
                IsIdentity   = true,
                IsPrimaryKey = true,
                Type         = DbType.Int64,
                IsNullable   = false
            };

            var expression = new CreateTableExpression {
                TableName = tableName
            };

            expression.Columns.Add(column);

            using (_command)
            {
                _processor.Process(expression);
                _command.CommandText = string.Format("SELECT name FROM sqlite_master WHERE type='table' and name='{0}'", tableName);
                _command.ExecuteReader().Read().ShouldBeTrue();
            }
        }