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//
// Copyright (c) 2006 Mainsoft Co.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Data;
using System.Data.OracleClient;
using MonoTests.System.Data.Utils;
using MonoTests.System.Data.Utils.Data;
using NUnit.Framework;
namespace MonoTests.System.Data.OracleClient
{
[TestFixture]
public class OracleDataReader_GetValue : ADONetTesterClass
{
Exception exp;
OracleConnection con;
char [] Result;
[SetUp]
public void SetUp()
{
base.PrepareDataForTesting(MonoTests.System.Data.Utils.ConnectedDataProvider.ConnectionString);
con = new OracleConnection(MonoTests.System.Data.Utils.ConnectedDataProvider.ConnectionString);
Result = new char[100];
con.Open();
}
[TearDown]
public void TearDown()
{
if (con != null && con.State == ConnectionState.Open) con.Close();
}
public static void Main()
{
OracleDataReader_GetValue tc = new OracleDataReader_GetValue();
tc.exp = null;
try
{
tc.BeginTest("OracleDataReader_GetValue");
tc.SetUp();
tc.run();
}
catch (Exception ex)
{
tc.exp = ex;
}
finally
{
tc.EndTest(tc.exp);
tc.TearDown();
}
}
[Test]
public void run()
{
TypesTests(ConnectedDataProvider.GetSimpleDbTypesParameters());
TypesTests(ConnectedDataProvider.GetExtendedDbTypesParameters());
}
[Test]
public void SimpleTest()
{
OracleDataReader rdr = null;
exp = null;
try
{
BeginCase("check value");
OracleCommand cmd = new OracleCommand("Select LastName From Employees Where EmployeeID = 100", con);
rdr = cmd.ExecuteReader();
rdr.Read();
Object obj = rdr.GetValue(0);
Compare(obj.ToString(), "Last100");
}
catch (Exception ex)
{
exp = ex;
}
finally
{
if (rdr != null)
{
rdr.Close();
}
EndCase(exp);
exp = null;
}
}
private void TypesTests(DbTypeParametersCollection typesToTest)
{
exp = null;
DbTypeParametersCollection currentlyTested = new DbTypeParametersCollection(typesToTest.TableName);
string rowId = "13289";
object dbValue;
OracleDataReader rdr = null;
OracleConnection selectCon = null;
DataBaseServer testedDbServer = ConnectedDataProvider.GetDbType();
foreach (DbTypeParameter currentParamType in typesToTest)
{
BeginCase("Test value of db type: " + currentParamType.DbTypeName);
//Prepare data:
rowId = string.Format("13289_{0}", this.TestCaseNumber);
currentlyTested.Clear();
currentlyTested.Add(currentParamType);
currentlyTested.ExecuteInsert(rowId);
try
{
currentlyTested.ExecuteSelectReader(rowId, out rdr, out selectCon);
rdr.Read();
dbValue = WorkaroundOracleCharsPaddingLimitation(testedDbServer, currentParamType, rdr.GetValue(0));
if (currentParamType.Value.GetType().IsArray)
{
Compare(dbValue as Array, currentParamType.Value as Array);
}
else
{
Compare(dbValue, currentParamType.Value);
}
}
catch(Exception ex)
{
exp = ex;
}
finally
{
EndCase(exp);
exp = null;
if (rdr != null && !rdr.IsClosed)
{
rdr.Close();
}
if (selectCon != null && selectCon.State != ConnectionState.Closed)
{
selectCon.Close();
}
currentlyTested.ExecuteDelete(rowId);
}
}
}
/// <summary>
/// This is a workaround for the extra white spaces added in oracle to NCHAR & NVARCHAR values.
/// The problem is a documented GH limitation, see bug #3417.
/// The workaround is to trim the lemgth of the returned string to the specified length of the parameter/column.
/// </summary>
/// <param name="testedServer">The database server we are currently running on.</param>
/// <param name="val">The value returned from the database.</param>
/// <returns>The normalized value..</returns>
private object WorkaroundOracleCharsPaddingLimitation(DataBaseServer testedServer, DbTypeParameter currentParam, object val)
{
object origVal = val;
string dbTypeName = currentParam.DbTypeName.ToUpper();
if ( (testedServer == DataBaseServer.Oracle) && (dbTypeName == "CHAR" || dbTypeName == "NCHAR") )
{
val = ((string)val).Substring(0, currentParam.Size);
Log(string.Format("Worked around oracle chars padding limitation by triming '{0}' to '{1}'", origVal, val));
}
return val;
}
}
}
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