コード例 #1
0
        public void SqlServerConnectionExecuteCommandAndExecuteQueryTest()
        {
            var connection = new SqlServerConnection(ConnectionString, 0);

            Assert.Equal(connection.IsConnected, true);

            var attachmentTypeGuid = Guid.NewGuid();

            var errorMessage = "";
            var result       = connection.ExecuteCommand($"INSERT INTO AttachmentTypes ([AttachmentTypeGuid], [ParentGuid], [Name], [Description], [StoreCompressed], [StoreEncrypted], [OrderNumber], [AssociatedObjects], [ReplaceAssociatedObjects]) VALUES ('{attachmentTypeGuid}', '{Guid.NewGuid()}', 'Test Attachment Type', 'Test Description', 0, 0, 1, NULL, 0)", ref errorMessage);

            Assert.Equal(result, true);

            const string text = "abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz abcdefghijklmnopqrstuvwxyz ";

            result = connection.WriteBlobData($"UPDATE AttachmentTypes SET Description=@Description WHERE AttachmentTypeGuid = '{attachmentTypeGuid}'", "Description", "varchar", text, null);

            Assert.Equal(result, true);

            var dataResult = connection.ReadBlobData($"SELECT Description FROM AttachmentTypes WHERE AttachmentTypeGuid = '{attachmentTypeGuid}'", 0);

            Assert.NotNull(dataResult);

            var textResult = Encoding.UTF8.GetString(dataResult);

            Assert.Equal(textResult, text);

            result = connection.ExecuteCommand($"DELETE AttachmentTypes WHERE AttachmentTypeGuid = '{attachmentTypeGuid}'", ref errorMessage);

            Assert.Equal(result, true);
        }
コード例 #2
0
        public void GameDatabaseCommandsTest()
        {
            var connection = new SqlServerConnection();

            Assert.AreEqual(connection.IsConnected, false);

            var result = connection.Connect(ConnectionString, 0);

            Assert.AreEqual(result, true);


            // Select All

            var game = new Game();

            var selectQuery = game.GenerateSelectQuery();

            Assert.IsFalse(string.IsNullOrEmpty(selectQuery));

            var errorMessage = "";
            var selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(selectResult);

            var selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            if (selectResultList.Count > 0)
            {
                Assert.IsTrue(selectResultList.Count > 0);
            }


            // Insert

            game = new Game(
                0,
                "Name",
                "Description");

            var insertCommand = game.GenerateInsertStatement();

            Assert.IsFalse(string.IsNullOrEmpty(insertCommand));

            errorMessage = "";
            var insertResult = connection.ExecuteCommand(insertCommand, ref errorMessage, out var newId);

            Assert.IsTrue(insertResult);
            Assert.IsTrue(newId > 0);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);

            game.Id = newId;


            // Exists

            var existsQuery = game.GenerateExistsQuery();

            Assert.IsFalse(string.IsNullOrEmpty(existsQuery));

            errorMessage = "";
            var existsResult = connection.ExecuteQuery(existsQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(existsResult);

            var existsResultList = DataSetUtility.ToDictionaryList(existsResult.Tables[0]);

            var recordExists = existsResultList.Any(dictionary => (dictionary != null) && (dictionary.Count > 0));

            Assert.AreEqual(recordExists, true);


            // Select

            selectQuery = game.GenerateSelectQuery();

            Assert.IsFalse(string.IsNullOrEmpty(selectQuery));

            errorMessage = "";
            selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(selectResult);

            selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            Game foundGame = null;

            if (selectResultList.Count > 0)
            {
                foreach (var dictionary in selectResultList.Where(dictionary => (dictionary != null) && (dictionary.Count > 0)))
                {
                    foundGame = Game.FromDictionary(dictionary);
                    break;
                }
            }

            Assert.IsNotNull(foundGame);

            Assert.AreNotSame(game, foundGame);

            Assert.AreEqual(game.Id, foundGame.Id);
            Assert.AreEqual(game.Name, foundGame.Name);
            Assert.AreEqual(game.Description, foundGame.Description);


            // Update

            var updateGame = new Game(
                newId,
                "Name Edited",
                "Description Edited");

            var updateCommand = updateGame.GenerateUpdateStatement();

            Assert.IsFalse(string.IsNullOrEmpty(updateCommand));

            errorMessage = "";
            var updateResult = connection.ExecuteCommand(updateCommand, ref errorMessage);

            Assert.AreEqual(updateResult, true);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);


            // Exists

            existsQuery = updateGame.GenerateExistsQuery();

            Assert.IsFalse(string.IsNullOrEmpty(existsQuery));

            errorMessage = "";
            existsResult = connection.ExecuteQuery(existsQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(existsResult);

            existsResultList = DataSetUtility.ToDictionaryList(existsResult.Tables[0]);

            recordExists = existsResultList.Any(dictionary => (dictionary != null) && (dictionary.Count > 0));

            Assert.AreEqual(recordExists, true);


            // Select

            selectQuery = updateGame.GenerateSelectQuery();

            Assert.IsFalse(string.IsNullOrEmpty(selectQuery));

            errorMessage = "";
            selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(selectResult);

            selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            foundGame = null;

            if (selectResultList.Count > 0)
            {
                foreach (var dictionary in selectResultList.Where(dictionary => (dictionary != null) && (dictionary.Count > 0)))
                {
                    foundGame = Game.FromDictionary(dictionary);
                    break;
                }
            }

            Assert.IsNotNull(foundGame);

            Assert.AreNotSame(updateGame, foundGame);

            Assert.AreEqual(updateGame.Id, foundGame.Id);
            Assert.AreEqual(updateGame.Name, foundGame.Name);
            Assert.AreEqual(updateGame.Description, foundGame.Description);



            // Delete

            var deleteCommand = game.GenerateDeleteStatement();

            Assert.IsFalse(string.IsNullOrEmpty(deleteCommand));

            errorMessage = "";
            var deleteResult = connection.ExecuteCommand(deleteCommand, ref errorMessage);

            Assert.AreEqual(deleteResult, true);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);


            // Exists

            existsQuery = game.GenerateExistsQuery();

            Assert.IsFalse(string.IsNullOrEmpty(existsQuery));

            errorMessage = "";
            existsResult = connection.ExecuteQuery(existsQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(existsResult);

            existsResultList = DataSetUtility.ToDictionaryList(existsResult.Tables[0]);

            recordExists = existsResultList.Any(dictionary => (dictionary != null) && (dictionary.Count > 0));

            Assert.IsFalse(recordExists);


            // Select

            selectQuery = game.GenerateSelectQuery();

            Assert.IsFalse(string.IsNullOrEmpty(selectQuery));

            errorMessage = "";
            selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(selectResult);

            selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            foundGame = null;

            if (selectResultList.Count > 0)
            {
                foreach (var dictionary in selectResultList.Where(dictionary => (dictionary != null) && (dictionary.Count > 0)))
                {
                    foundGame = Game.FromDictionary(dictionary);
                    break;
                }
            }

            Assert.IsNull(foundGame);
        }
コード例 #3
0
        public void RatingDatabaseCommandTest()
        {
            var connection = new SqlServerConnection();

            Assert.AreEqual(connection.IsConnected, false);

            var result = connection.Connect(ConnectionString, 0);

            Assert.AreEqual(result, true);

            //select all

            var rating = new Rating();

            var selectQuery = rating.GenerateSelectQuery();

            Assert.IsFalse(string.IsNullOrEmpty(selectQuery));

            var errorMessage = "";

            var selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(selectResult);

            var selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            if (selectResultList.Count > 0)
            {
                Assert.IsTrue(selectResultList.Count > 0);
            }

            // insert

            rating = new Rating(0, "Name", "Description", "Symbol");

            var insertcommand = rating.GenerateInsertStatment();

            Assert.IsFalse(string.IsNullOrEmpty(insertcommand));

            errorMessage = "";
            var insertresult = connection.ExecuteCommand(insertcommand, ref errorMessage, out var newId);

            Assert.IsTrue(insertresult);
            Assert.IsTrue(newId > 0);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);

            rating.Id = newId;

            // exist

            var existsQuery = rating.GenerateExistQuery();

            Assert.IsFalse(string.IsNullOrEmpty(existsQuery));

            errorMessage = "";
            var existsResult = connection.ExecuteQuery(existsQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(existsResult);

            var existsResultList = DataSetUtility.ToDictionaryList(existsResult.Tables[0]);

            var recordExists = existsResultList.Any(dictionary => (dictionary != null) && (dictionary.Count > 0));

            Assert.AreEqual(recordExists, true);

            // select

            selectQuery = rating.GenerateSelectQuery();

            Assert.AreEqual(string.IsNullOrEmpty(selectQuery), true);

            errorMessage = "";
            selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            Assert.AreEqual(!string.IsNullOrEmpty(errorMessage), false);
            Assert.IsNull(selectResult);

            selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            Rating foundrating = null;

            if (selectResultList.Count > 0)
            {
                foreach (var dictionary in selectResultList.Where(dictionary => (dictionary != null) && (dictionary.Count > 0)))
                {
                    foundrating = Rating.FromDictionary(dictionary);
                    break;
                }
            }
            Assert.IsNotNull(foundrating);

            Assert.AreNotSame(rating, foundrating);

            Assert.AreEqual(rating.Id, foundrating.Id);
            Assert.AreEqual(rating.Name, foundrating.Name);
            Assert.AreEqual(rating.Description, foundrating.Description);
            Assert.AreEqual(rating.Symbol, foundrating.Symbol);

            // update

            var updaterating  = new Rating(1, "Name", "Description", "Symbol");
            var updatecommand = updaterating.GenerateUpdateStatement();

            Assert.IsFalse(string.IsNullOrEmpty(updatecommand));

            errorMessage = "";
            var updateResult = connection.ExecuteCommand(updatecommand, ref errorMessage);

            Assert.AreEqual(updateResult, true);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);

            // exsits

            existsQuery = updaterating.GenerateExistQuery();

            Assert.IsFalse(string.IsNullOrEmpty(existsQuery));

            errorMessage     = "";
            existsResultList = DataSetUtility.ToDictionaryList(existsResult.Tables[0]);

            recordExists = existsResultList.Any(dictionary => (dictionary != null) && (dictionary.Count > 0));

            Assert.AreEqual(recordExists, true);

            // select

            selectQuery = updaterating.GenerateSelectQuery();

            Assert.IsFalse(string.IsNullOrEmpty(selectQuery));

            errorMessage = "";
            selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            Assert.IsFalse(string.IsNullOrEmpty(errorMessage));
            Assert.IsNotNull(selectResult);

            selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            foundrating = null;

            if (selectResultList.Count > 0)
            {
                foreach (var dictionary in selectResultList.Where(dictionary => (dictionary != null) && (dictionary.Count > 0)))
                {
                    foundrating = Rating.FromDictionary(dictionary);
                    break;
                }
            }

            Assert.IsNotNull(foundrating);

            Assert.AreNotSame(rating, foundrating);

            Assert.AreEqual(rating.Id, foundrating.Id);
            Assert.AreEqual(rating.Name, foundrating.Name);
            Assert.AreEqual(rating.Description, foundrating.Description);
            Assert.AreEqual(rating.Symbol, foundrating.Symbol);

            // delete

            var deleteCommand = rating.GenerateDeleteStatement();

            Assert.IsFalse(string.IsNullOrEmpty(deleteCommand));

            errorMessage = "";
            var deleteResult = connection.ExecuteCommand(deleteCommand, ref errorMessage);

            Assert.AreEqual(deleteResult, true);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);

            // exists

            existsQuery = rating.GenerateExistQuery();

            Assert.IsFalse(string.IsNullOrEmpty(existsQuery));

            errorMessage = "";
            existsResult = connection.ExecuteQuery(existsQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(existsResult);

            existsResultList = DataSetUtility.ToDictionaryList(existsResult.Tables[0]);

            recordExists = existsResultList.Any(dictionary => (dictionary != null) && (dictionary.Count > 0));

            Assert.IsFalse(recordExists);

            // select

            selectQuery = rating.GenerateSelectQuery();

            Assert.IsFalse(string.IsNullOrEmpty(selectQuery));

            errorMessage = "";
            selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            foundrating = null;

            if (selectResultList.Count > 0)
            {
                foreach (var dictionary in selectResultList.Where(dictionary => (dictionary != null) && (dictionary.Count > 0)))
                {
                    foundrating = Rating.FromDictionary(dictionary);
                    break;
                }
            }
            Assert.IsNull(foundrating);
        }
コード例 #4
0
        public void GameImageDatabaseCommandsTest()
        {
            var connection = new SqlServerConnection();

            Assert.AreEqual(connection.IsConnected, false);

            var result = connection.Connect(ConnectionString, 0);

            Assert.AreEqual(result, true);


            // Add a Games

            var game = new Game(
                0,
                "Name",
                "Description");

            var insertCommand = game.GenerateInsertStatement();

            Assert.IsFalse(string.IsNullOrEmpty(insertCommand));

            var errorMessage = "";
            var insertResult = connection.ExecuteCommand(insertCommand, ref errorMessage, out var newId);

            Assert.IsTrue(insertResult);
            Assert.IsTrue(newId > 0);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);

            game.Id = newId;

            var updateGame = new Game(
                0,
                "Name1",
                "Description1");

            insertCommand = updateGame.GenerateInsertStatement();

            Assert.IsFalse(string.IsNullOrEmpty(insertCommand));

            errorMessage = "";
            insertResult = connection.ExecuteCommand(insertCommand, ref errorMessage, out newId);

            Assert.IsTrue(insertResult);
            Assert.IsTrue(newId > 0);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);

            updateGame.Id = newId;


            // Select All

            var gameImage = new GameImage();

            var selectQuery = gameImage.GenerateSelectQuery();

            Assert.IsFalse(string.IsNullOrEmpty(selectQuery));

            errorMessage = "";
            var selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(selectResult);

            var selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            if (selectResultList.Count > 0)
            {
                Assert.IsTrue(selectResultList.Count > 0);
            }


            // Insert

            gameImage = new GameImage(0, game.Id, _imageData);


            insertCommand = gameImage.GenerateInsertStatment();

            Assert.IsFalse(string.IsNullOrEmpty(insertCommand));

            errorMessage = "";

            insertResult = connection.ExecuteCommand(insertCommand, ref errorMessage, out newId);

            Assert.IsTrue(insertResult);
            Assert.IsTrue(newId > 0);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);

            gameImage.Id = newId;

            // Add image BLOB

            var blobUpdateCommand = connection.CreateBlobUpdateStatement(GameImage.TableName, "Image", gameImage.GeneratePrimaryKeyWhereClause());
            var blobResult        = connection.WriteBlobData(blobUpdateCommand, "Image", "varbinary", null, _imageData);

            Assert.IsTrue(blobResult);


            // Exists

            var existsQuery = gameImage.GenerateExistsQuery();

            Assert.IsFalse(string.IsNullOrEmpty(existsQuery));

            errorMessage = "";
            var existsResult = connection.ExecuteQuery(existsQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(existsResult);

            var existsResultList = DataSetUtility.ToDictionaryList(existsResult.Tables[0]);

            var recordExists = existsResultList.Any(dictionary => (dictionary != null) && (dictionary.Count > 0));

            Assert.AreEqual(recordExists, true);


            // Select

            selectQuery = gameImage.GenerateSelectQuery();

            Assert.IsFalse(string.IsNullOrEmpty(selectQuery));

            errorMessage = "";
            selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(selectResult);

            selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            GameImage foundGameImage = null;

            if (selectResultList.Count > 0)
            {
                foreach (var dictionary in selectResultList.Where(dictionary => (dictionary != null) && (dictionary.Count > 0)))
                {
                    foundGameImage = GameImage.FromDictionary(dictionary);
                    break;
                }
            }

            Assert.IsNotNull(foundGameImage);

            // Read BLOB Data
            foundGameImage.Image = connection.ReadBlobData($"SELECT Image FROM {GameImage.TableName} WHERE Id = {foundGameImage.Id}", 0);

            Assert.AreNotSame(gameImage, foundGameImage);

            Assert.AreEqual(gameImage.Id, foundGameImage.Id);
            Assert.AreEqual(gameImage.GameId, foundGameImage.GameId);

            if (gameImage.Image != null)
            {
                Assert.IsTrue(gameImage.Image.SequenceEqual(foundGameImage.Image));
            }

            else
            {
                Assert.IsNull(gameImage.Image);
                Assert.IsNull(foundGameImage.Image);
            }


            // Update

            var updateGameImage = new GameImage(
                newId,
                updateGame.Id,
                _updateImageData);

            var updateCommand = updateGameImage.GenerateUpdateStatement();

            Assert.IsFalse(string.IsNullOrEmpty(updateCommand));

            errorMessage = "";
            var updateResult = connection.ExecuteCommand(updateCommand, ref errorMessage);

            Assert.AreEqual(updateResult, true);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);

            // Update image BLOB

            blobUpdateCommand = connection.CreateBlobUpdateStatement(GameImage.TableName, "Image", updateGameImage.GeneratePrimaryKeyWhereClause());
            blobResult        = connection.WriteBlobData(blobUpdateCommand, "Image", "varbinary", null, _updateImageData);

            Assert.IsTrue(blobResult);


            // Exists

            existsQuery = updateGameImage.GenerateExistsQuery();

            Assert.IsFalse(string.IsNullOrEmpty(existsQuery));

            errorMessage = "";
            existsResult = connection.ExecuteQuery(existsQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(existsResult);

            existsResultList = DataSetUtility.ToDictionaryList(existsResult.Tables[0]);

            recordExists = existsResultList.Any(dictionary => (dictionary != null) && (dictionary.Count > 0));

            Assert.AreEqual(recordExists, true);


            // Select

            selectQuery = updateGameImage.GenerateSelectQuery();

            Assert.IsFalse(string.IsNullOrEmpty(selectQuery));

            errorMessage = "";
            selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(selectResult);

            selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            foundGameImage = null;

            if (selectResultList.Count > 0)
            {
                foreach (var dictionary in selectResultList.Where(dictionary => (dictionary != null) && (dictionary.Count > 0)))
                {
                    foundGameImage = GameImage.FromDictionary(dictionary);
                    break;
                }
            }

            Assert.IsNotNull(foundGameImage);

            Assert.AreNotSame(updateGameImage, foundGameImage);

            // Read BLOB Data
            foundGameImage.Image = connection.ReadBlobData($"SELECT Image FROM {GameImage.TableName} WHERE Id = {foundGameImage.Id}", 0);

            Assert.AreEqual(updateGameImage.Id, foundGameImage.Id);
            Assert.AreEqual(updateGameImage.GameId, foundGameImage.GameId);

            if (updateGameImage.Image != null)
            {
                Assert.IsTrue(updateGameImage.Image.SequenceEqual(foundGameImage.Image));
            }

            else
            {
                Assert.IsNull(updateGameImage.Image);
                Assert.IsNull(foundGameImage.Image);
            }


            // Delete

            var deleteCommand = gameImage.GenerateDeleteStatement();

            var deleteGameImage = gameImage.GenerateDeleteStatement();

            Assert.IsFalse(string.IsNullOrEmpty(deleteCommand));

            errorMessage = "";
            var deleteResult = connection.ExecuteCommand(deleteCommand, ref errorMessage);

            Assert.AreEqual(deleteResult, true);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);


            // Exists

            existsQuery = gameImage.GenerateExistsQuery();

            Assert.IsFalse(string.IsNullOrEmpty(existsQuery));

            errorMessage = "";
            existsResult = connection.ExecuteQuery(existsQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(existsResult);

            existsResultList = DataSetUtility.ToDictionaryList(existsResult.Tables[0]);

            recordExists = existsResultList.Any(dictionary => (dictionary != null) && (dictionary.Count > 0));

            Assert.IsFalse(recordExists);


            // Select

            selectQuery = gameImage.GenerateSelectQuery();

            Assert.IsFalse(string.IsNullOrEmpty(selectQuery));

            errorMessage = "";
            selectResult = connection.ExecuteQuery(selectQuery, ref errorMessage);

            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
            Assert.IsNotNull(selectResult);

            selectResultList = DataSetUtility.ToDictionaryList(selectResult.Tables[0]);

            foundGameImage = null;

            if (selectResultList.Count > 0)
            {
                foreach (var dictionary in selectResultList.Where(dictionary => (dictionary != null) && (dictionary.Count > 0)))
                {
                    foundGameImage = GameImage.FromDictionary(dictionary);
                    break;
                }
            }

            Assert.IsNull(foundGameImage);


            // Delete the games

            deleteCommand = game.GenerateDeleteStatement();

            Assert.IsFalse(string.IsNullOrEmpty(deleteCommand));

            errorMessage = "";
            deleteResult = connection.ExecuteCommand(deleteCommand, ref errorMessage);

            Assert.AreEqual(deleteResult, true);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);

            deleteCommand = updateGame.GenerateDeleteStatement();

            Assert.IsFalse(string.IsNullOrEmpty(deleteCommand));

            errorMessage = "";
            deleteResult = connection.ExecuteCommand(deleteCommand, ref errorMessage);

            Assert.AreEqual(deleteResult, true);
            Assert.AreEqual(string.IsNullOrEmpty(errorMessage), true);
        }