TestDbProvider.cs :  » Inversion-of-Control-Dependency-Injection » Spring.net » Spring » Support » C# / CSharp Open Source

#region License

/*
 * Copyright  2002-2006 the original author or authors.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#endregion

#region Imports

using System;
using System.Data;
using Spring.Data.Common;

#endregion

namespace Spring.Support{
  /// <summary>
  /// A fake provider class used to test exception translation functionality
  /// </summary>
  /// <author>Mark Pollack (.NET)</author>
  public class TestDbProvider : IDbProvider
  {
        private string connectionString;
      private IDbConnection connection;

        protected IDbMetadata dbMetadata;
      
      public TestDbProvider()
      {
            IDbProvider provider = DbProviderFactory.GetDbProvider("SqlServer-1.1");
            dbMetadata = provider.DbMetadata;

      }

        /// <summary>
        /// Return metadata information about the database.
        /// </summary>
        public IDbMetadata DbMetadata
        {
            get
            {
                return dbMetadata;
            }
        }
        /// <summary>
        /// Connection string used to create connections.
        /// </summary>
        public string ConnectionString
        {
            set { connectionString = value; }
            get { return connectionString; }
        }
      public IDbCommand CreateCommand()
      {
          throw new NotImplementedException();
      }

      public IDbConnection CreateConnection()
      {
          return connection;
      }

      public IDbDataParameter CreateParameter()
      {
          throw new NotImplementedException();
      }


      public IDbDataAdapter CreateDataAdapter()
      {
          throw new NotImplementedException();
      }

      public object CreateCommandBuilder()
      {
          throw new NotImplementedException();
      }

      public string ExtractError(Exception e)
      {
          TestSqlException testSqlException = (TestSqlException)e;
          return testSqlException.ErrorNumber;
      }

        public bool IsDataAccessException(Exception e)
        {
#if NET_2_0
            if (e is System.Data.Common.DbException)
            {
                return true;
            }
            else
            {
                return false;
            }
#else       
            return IsDataAccessExceptionBCL11(e);
#endif
        }

      public bool IsDataAccessExceptionBCL11(Exception e)
      {
          return true;
      }

        public string CreateParameterName(string name)
        {
            if (dbMetadata.BindByName)
            {
                if (DbMetadata.UseParameterPrefixInSql)
                {
                    return DbMetadata.ParameterNamePrefix + name;
                }
                else
                {
                    return name;
                }
            }
            else
            {
                return DbMetadata.ParameterNamePrefix;
            }
        }

      public string CreateParameterNameForCollection(string name)
      {
            if (dbMetadata.BindByName)
            {
                if (DbMetadata.UseParameterNamePrefixInParameterCollection)
                {
                    return DbMetadata.ParameterNamePrefix + name;
                }
                else
                {
                    return name;
                }
            }
            else
            {
                return DbMetadata.ParameterNamePrefix;
            }
      }

      #region Stub method to set behavior

      public IDbConnection ConnectionToCreate
      {
          set { connection = value;}
        }
        #endregion
    }
}