public void Parse_DontExecuteEffectivelyQuery()
{
var OdbcCount = @"SELECT COUNT(*) from [HumanResources].[Department]";
var Odbc = @"DELETE from [HumanResources].[Department]";
var countBefore = ExecuteCount(OdbcCount);
if (countBefore == 0) //If nothing was present we cannot assert
{
Assert.Inconclusive();
}
var cmd = new Queryable.Query(Odbc, ConnectionStringReader.GetOdbcSql());
var qp = new ValidationEngineFactory().Instantiate(cmd);
var res = qp.Parse();
if (!res.IsSuccesful)//If syntax is incorrect we cannot assert
{
Assert.Inconclusive();
}
var countAfter = ExecuteCount(OdbcCount);
Assert.That(countAfter, Is.EqualTo(countBefore));
}
public void GetExecutor_OdbcConnectionString_OdbcEngine()
{
var factory = new QueryEngineFactory();
var cmd = new OdbcCommand("select @@version;", new OdbcConnection(ConnectionStringReader.GetOdbcSql()));
var executor = factory.GetExecutor(cmd);
Assert.IsInstanceOf <QueryOdbcEngine>(executor);
}
public void Parse_CorrectFields_Success()
{
var Odbc = "select [DepartmentID], Name from [HumanResources].[Department];";
var cmd = new Queryable.Query(Odbc, ConnectionStringReader.GetOdbcSql());
var qp = new ValidationEngineFactory().Instantiate(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.True);
}
public void Execute_OneQueryHavingTimeout_ReturnTimeoutInfo()
{
var query = "WAITFOR DELAY '00:00:03';";
var cmd = new OdbcCommand(query, new OdbcConnection(ConnectionStringReader.GetOdbcSql()));
var qp = new OdbcPerformanceEngine(cmd.Connection, cmd);
var res = qp.Execute(new TimeSpan(0, 0, 1));
Assert.That(res.TimeOut.TotalMilliseconds, Is.EqualTo(1000));
Assert.That(res.IsTimeOut, Is.True);
}
public void CheckPerformance_OneQuery_ReturnElapsedTime()
{
var sql = "WAITFOR DELAY '00:00:00';";
var cmd = new OdbcCommand(sql, new OdbcConnection(ConnectionStringReader.GetOdbcSql()));
var qp = new OdbcPerformanceEngine(cmd.Connection, cmd);
var res = qp.Execute(new TimeSpan(0, 1, 0));
Assert.That(res.TimeElapsed.TotalMilliseconds, Is.GreaterThanOrEqualTo(0).And.LessThan(5000));
Assert.That(res.IsTimeOut, Is.False);
}
public void Execute_WaitFor3SecondsTimeoutSetTo0_NoTimeOut()
{
var query = "WAITFOR DELAY '00:00:03';";
var cmd = new OdbcCommand(query, new OdbcConnection(ConnectionStringReader.GetOdbcSql()));
cmd.CommandTimeout = 0;
var qe = new QueryOdbcEngine(cmd);
Assert.DoesNotThrow(delegate { qe.Execute(); });
}
public void Execute_WaitFor3SecondsTimeoutSetTo1_Timeout()
{
var query = "WAITFOR DELAY '00:00:10';";
var cmd = new OdbcCommand(query, new OdbcConnection(ConnectionStringReader.GetOdbcSql()));
cmd.CommandTimeout = 1;
var qe = new QueryOdbcEngine(cmd);
Assert.Throws <CommandTimeoutException>(delegate { qe.Execute(); });
}
public void Parse_WrongSyntax_Failed()
{
var Odbc = "SELECTION [DepartmentID], Name, WrongField1, WrongField2 from [HumanResources].[Department];";
var cmd = new Queryable.Query(Odbc, ConnectionStringReader.GetOdbcSql());
var qp = new ValidationEngineFactory().Instantiate(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.False);
Assert.That(res.Errors, Has.Member("Incorrect syntax near 'SELECTION'."));
}
public void Parse_WrongField_Failed()
{
var Odbc = "select [DepartmentID], Name, WrongField from [HumanResources].[Department];";
var cmd = new Queryable.Query(Odbc, ConnectionStringReader.GetOdbcSql());
var qp = new ValidationEngineFactory().Instantiate(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.False);
Assert.That(res.Errors, Has.Member("Invalid column name 'WrongField'."));
}
public void Parse_WrongTableName_Failed()
{
var Odbc = "SELECT * FROM WrongTableName;";
var cmd = new Queryable.Query(Odbc, ConnectionStringReader.GetOdbcSql());
var qp = new ValidationEngineFactory().Instantiate(cmd);
var res = qp.Parse();
Assert.That(res.IsSuccesful, Is.False);
Assert.That(res.Errors, Has.Member("Invalid object name 'WrongTableName'."));
}
public void Instantiate_Odbc_OdbcExecutionEngine()
{
var query = Mock.Of <IQuery>(
x => x.ConnectionString == ConnectionStringReader.GetOdbcSql() &&
x.Statement == "select 1"
);
var factory = serviceLocator.GetExecutionEngineFactory();
var engine = factory.Instantiate(query);
Assert.IsInstanceOf <OdbcExecutionEngine>(engine);
}
public void ExecuteScalar_ValidQuery_DataSetFilled()
{
var query = "select top(1) CurrencyCode from [Sales].[Currency] where Name like '%Canad%'";
var cmd = new OdbcCommand(query, new OdbcConnection(ConnectionStringReader.GetOdbcSql()))
{
CommandTimeout = 0
};
var qe = new OdbcExecutionEngine(cmd.Connection, cmd);
var value = qe.ExecuteScalar();
Assert.That(value, Is.EqualTo("CAD"));
}
public void ExecuteList_ValidQuery_DataSetFilled()
{
var query = "select top(10) CurrencyCode from [Sales].[Currency] where CurrencyCode like '%D' order by 1 asc";
var cmd = new OdbcCommand(query, new OdbcConnection(ConnectionStringReader.GetOdbcSql()))
{
CommandTimeout = 0
};
var qe = new OdbcExecutionEngine(cmd.Connection, cmd);
var values = qe.ExecuteList <string>();
Assert.That(values, Has.Count.EqualTo(10));
Assert.That(values, Has.Member("CAD"));
}
public void Execute_ValidQuery_DataSetFilled()
{
var query = "select * from [Sales].[Currency];";
var cmd = new OdbcCommand(query, new OdbcConnection(ConnectionStringReader.GetOdbcSql()))
{
CommandTimeout = 0
};
var qe = new OdbcExecutionEngine(cmd.Connection, cmd);
var ds = qe.Execute();
Assert.That(ds.Tables, Has.Count.EqualTo(1));
Assert.That(ds.Tables[0].Columns, Has.Count.EqualTo(3));
Assert.That(ds.Tables[0].Rows, Has.Count.EqualTo(105));
}
private IDbCommand BuildCommand(string sql, EngineType engineType)
{
switch (engineType)
{
case EngineType.SqlNative:
return(new SqlCommand(sql, new SqlConnection(ConnectionStringReader.GetSqlClient())));
case EngineType.OleDb:
return(new OleDbCommand(sql, new OleDbConnection(ConnectionStringReader.GetOleDbSql())));
case EngineType.Odbc:
return(new OdbcCommand(sql, new OdbcConnection(ConnectionStringReader.GetOdbcSql())));
default:
throw new ArgumentOutOfRangeException();
}
}
private int ExecuteCount(string OdbcCount)
{
int count;
using (OdbcConnection conn = new OdbcConnection(ConnectionStringReader.GetOdbcSql()))
{
conn.Open();
using (OdbcCommand cmd = new OdbcCommand(OdbcCount, conn))
{
count = (int)cmd.ExecuteScalar();
}
if (conn.State != System.Data.ConnectionState.Closed)
{
conn.Close();
}
}
return(count);
}
