public void Execute_QuerySingleField_ReturnsSingleField()

in Amazon.QLDB.Driver.IntegrationTests/StatementExecutionTests.cs [359:397]

• 34 lines of code
• 3 McCabe index (conditional complexity)

        public void Execute_QuerySingleField_ReturnsSingleField()
        {
            // Given.
            // Create Ion struct to insert.
            IIonValue ionStruct = ValueFactory.NewEmptyStruct();
            ionStruct.SetField(Constants.ColumnName, ValueFactory.NewString(Constants.SingleDocumentValue));

            var query = $"INSERT INTO {Constants.TableName} ?";
            var count = qldbDriver.Execute(txn =>
            {
                var result = txn.Execute(query, ionStruct);

                var count = 0;
                foreach (var row in result)
                {
                    count++;
                }
                return count;
            });
            Assert.AreEqual(1, count);

            // When.
            var searchQuery = $@"SELECT VALUE {Constants.ColumnName} FROM {Constants.TableName}
                                 WHERE {Constants.ColumnName} = '{Constants.SingleDocumentValue}'";
            var value = qldbDriver.Execute(txn =>
            {
                var result = txn.Execute(searchQuery);

                var value = "";
                foreach (var row in result)
                {
                    value = row.StringValue;
                }
                return value;
            });

            // Then.
            Assert.AreEqual(Constants.SingleDocumentValue, value);
        }