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// created on 3/5/2003 at 14:29
//
// Author:
// Francisco Figueiredo Jr. <fxjrlists@yahoo.com>
//
// Copyright (C) 2002 The Npgsql Development Team
// npgsql-general@gborg.postgresql.org
// http://gborg.postgresql.org/project/npgsql/projdisplay.php
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
using System;
using System.Data;
using System.Web.UI.WebControls;
using Npgsql;
using NpgsqlTypes;
using NUnit.Framework;
using NUnit.Core;
namespace NpgsqlTests
{
[TestFixture]
public class DataAdapterTests
{
NpgsqlConnection _conn;
[SetUp]
protected void SetUp()
{
//NpgsqlEventLog.Level = LogLevel.None;
//NpgsqlEventLog.Level = LogLevel.Debug;
//NpgsqlEventLog.LogName = "NpgsqlTests.LogFile";
_conn = new NpgsqlConnection(TestConfiguration.NpgsqlConnectionString);
}
[TearDown]
protected void TearDown()
{
if (_conn != null && _conn.State != ConnectionState.Closed)
_conn.Close();
}
[Test]
public void InsertWithDataSet()
{
_conn.Open();
DataSet ds = new DataSet();
NpgsqlDataAdapter da = new NpgsqlDataAdapter("select * from tableb", _conn);
da.InsertCommand = new NpgsqlCommand("insert into tableb(field_int2, field_timestamp, field_numeric) values (:a, :b, :c)", _conn);
da.InsertCommand.Parameters.Add(new NpgsqlParameter("a", DbType.Int16));
da.InsertCommand.Parameters.Add(new NpgsqlParameter("b", DbType.DateTime));
da.InsertCommand.Parameters.Add(new NpgsqlParameter("c", DbType.Decimal));
da.InsertCommand.Parameters[0].Direction = ParameterDirection.Input;
da.InsertCommand.Parameters[1].Direction = ParameterDirection.Input;
da.InsertCommand.Parameters[2].Direction = ParameterDirection.Input;
da.InsertCommand.Parameters[0].SourceColumn = "field_int2";
da.InsertCommand.Parameters[1].SourceColumn = "field_timestamp";
da.InsertCommand.Parameters[2].SourceColumn = "field_numeric";
da.Fill(ds);
DataTable dt = ds.Tables[0];
DataRow dr = dt.NewRow();
dr["field_int2"] = 4;
dr["field_timestamp"] = new DateTime(2003, 03, 03, 14, 0, 0);
dr["field_numeric"] = 7.3M;
dt.Rows.Add(dr);
DataSet ds2 = ds.GetChanges();
da.Update(ds2);
ds.Merge(ds2);
ds.AcceptChanges();
NpgsqlDataReader dr2 = new NpgsqlCommand("select * from tableb where field_serial > 4", _conn).ExecuteReader();
dr2.Read();
Assert.AreEqual(4, dr2[1]);
Assert.AreEqual(7.3000000M, dr2[3]);
new NpgsqlCommand("delete from tableb where field_serial > 4", _conn).ExecuteNonQuery();
}
[Test]
public void FillWithEmptyResultset()
{
_conn.Open();
DataSet ds = new DataSet();
NpgsqlDataAdapter da = new NpgsqlDataAdapter("select * from tableb where field_serial = -1", _conn);
da.Fill(ds);
Assert.AreEqual(1, ds.Tables.Count);
Assert.AreEqual(4, ds.Tables[0].Columns.Count);
Assert.AreEqual("field_serial", ds.Tables[0].Columns[0].ColumnName);
Assert.AreEqual("field_int2", ds.Tables[0].Columns[1].ColumnName);
Assert.AreEqual("field_timestamp", ds.Tables[0].Columns[2].ColumnName);
Assert.AreEqual("field_numeric", ds.Tables[0].Columns[3].ColumnName);
}
[Test]
public void FillWithDuplicateColumnName()
{
_conn.Open();
DataSet ds = new DataSet();
NpgsqlDataAdapter da = new NpgsqlDataAdapter("select field_serial, field_serial from tableb", _conn);
da.Fill(ds);
}
}
}
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