Files
linux-packaging-mono/mcs/class/Npgsql/Test/CommandTests.cs
Jo Shields a575963da9 Imported Upstream version 3.6.0
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
2014-08-13 10:39:27 +01:00

1279 lines
31 KiB
C#

// created on 30/11/2002 at 22:35
//
// 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 Npgsql;
using NUnit.Framework;
using NUnit.Core;
using System.Data;
using System.Globalization;
using NpgsqlTypes;
namespace NpgsqlTests
{
[TestFixture]
public class CommandTests
{
NpgsqlConnection _conn = null;
[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 ParametersGetName()
{
NpgsqlCommand command = new NpgsqlCommand();
// Add parameters.
command.Parameters.Add(new NpgsqlParameter(":Parameter1", DbType.Boolean));
command.Parameters.Add(new NpgsqlParameter(":Parameter2", DbType.Int32));
command.Parameters.Add(new NpgsqlParameter(":Parameter3", DbType.DateTime));
// Get by indexers.
Assert.AreEqual(":Parameter1", command.Parameters[":Parameter1"].ParameterName);
Assert.AreEqual(":Parameter2", command.Parameters[":Parameter2"].ParameterName);
Assert.AreEqual(":Parameter3", command.Parameters[":Parameter3"].ParameterName);
Assert.AreEqual(":Parameter1", command.Parameters[0].ParameterName);
Assert.AreEqual(":Parameter2", command.Parameters[1].ParameterName);
Assert.AreEqual(":Parameter3", command.Parameters[2].ParameterName);
}
[Test]
public void EmptyQuery()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand(";", _conn);
command.ExecuteNonQuery();
}
[Test]
[ExpectedException(typeof(ArgumentNullException))]
public void NoNameParameterAdd()
{
NpgsqlCommand command = new NpgsqlCommand();
command.Parameters.Add(new NpgsqlParameter());
}
[Test]
public void FunctionCallFromSelect()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select * from funcB()", _conn);
NpgsqlDataReader reader = command.ExecuteReader();
Assert.IsNotNull(reader);
//reader.FieldCount
}
[Test]
public void ExecuteScalar()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select count(*) from tablea", _conn);
Object result = command.ExecuteScalar();
Assert.AreEqual(5, result);
//reader.FieldCount
}
[Test]
public void FunctionCallReturnSingleValue()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("funcC()", _conn);
command.CommandType = CommandType.StoredProcedure;
Object result = command.ExecuteScalar();
Assert.AreEqual(5, result);
//reader.FieldCount
}
[Test]
public void FunctionCallReturnSingleValueWithPrepare()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("funcC()", _conn);
command.CommandType = CommandType.StoredProcedure;
command.Prepare();
Object result = command.ExecuteScalar();
Assert.AreEqual(5, result);
//reader.FieldCount
}
[Test]
public void FunctionCallWithParametersReturnSingleValue()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("funcC(:a)", _conn);
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add(new NpgsqlParameter("a", DbType.Int32));
command.Parameters[0].Value = 4;
Int64 result = (Int64) command.ExecuteScalar();
Assert.AreEqual(1, result);
}
[Test]
public void FunctionCallWithParametersReturnSingleValueNpgsqlDbType()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("funcC(:a)", _conn);
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add(new NpgsqlParameter("a", NpgsqlDbType.Integer));
command.Parameters[0].Value = 4;
Int64 result = (Int64) command.ExecuteScalar();
Assert.AreEqual(1, result);
}
[Test]
public void FunctionCallWithParametersPrepareReturnSingleValue()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("funcC(:a)", _conn);
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add(new NpgsqlParameter("a", DbType.Int32));
Assert.AreEqual(1, command.Parameters.Count);
command.Prepare();
command.Parameters[0].Value = 4;
Int64 result = (Int64) command.ExecuteScalar();
Assert.AreEqual(1, result);
}
[Test]
public void FunctionCallWithParametersPrepareReturnSingleValueNpgsqlDbType()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("funcC(:a)", _conn);
command.CommandType = CommandType.StoredProcedure;
command.Parameters.Add(new NpgsqlParameter("a", NpgsqlDbType.Integer));
Assert.AreEqual(1, command.Parameters.Count);
command.Prepare();
command.Parameters[0].Value = 4;
Int64 result = (Int64) command.ExecuteScalar();
Assert.AreEqual(1, result);
}
[Test]
public void FunctionCallReturnResultSet()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("funcB()", _conn);
command.CommandType = CommandType.StoredProcedure;
NpgsqlDataReader dr = command.ExecuteReader();
}
[Test]
public void CursorStatement()
{
_conn.Open();
Int32 i = 0;
NpgsqlTransaction t = _conn.BeginTransaction();
NpgsqlCommand command = new NpgsqlCommand("declare te cursor for select * from tablea;", _conn);
command.ExecuteNonQuery();
command.CommandText = "fetch forward 3 in te;";
NpgsqlDataReader dr = command.ExecuteReader();
while (dr.Read())
{
i++;
}
Assert.AreEqual(3, i);
i = 0;
command.CommandText = "fetch backward 1 in te;";
NpgsqlDataReader dr2 = command.ExecuteReader();
while (dr2.Read())
{
i++;
}
Assert.AreEqual(1, i);
command.CommandText = "close te;";
command.ExecuteNonQuery();
t.Commit();
}
[Test]
public void PreparedStatementNoParameters()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select * from tablea;", _conn);
command.Prepare();
command.Prepare();
NpgsqlDataReader dr = command.ExecuteReader();
}
[Test]
public void PreparedStatementWithParameters()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select * from tablea where field_int4 = :a and field_int8 = :b;", _conn);
command.Parameters.Add(new NpgsqlParameter("a", DbType.Int32));
command.Parameters.Add(new NpgsqlParameter("b", DbType.Int64));
Assert.AreEqual(2, command.Parameters.Count);
Assert.AreEqual(DbType.Int32, command.Parameters[0].DbType);
command.Prepare();
command.Parameters[0].Value = 3;
command.Parameters[1].Value = 5;
NpgsqlDataReader dr = command.ExecuteReader();
}
[Test]
public void PreparedStatementWithParametersNpgsqlDbType()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select * from tablea where field_int4 = :a and field_int8 = :b;", _conn);
command.Parameters.Add(new NpgsqlParameter("a", NpgsqlDbType.Integer));
command.Parameters.Add(new NpgsqlParameter("b", NpgsqlDbType.Bigint));
Assert.AreEqual(2, command.Parameters.Count);
Assert.AreEqual(DbType.Int32, command.Parameters[0].DbType);
command.Prepare();
command.Parameters[0].Value = 3;
command.Parameters[1].Value = 5;
NpgsqlDataReader dr = command.ExecuteReader();
}
[Test]
[ExpectedException(typeof(InvalidOperationException))]
public void ListenNotifySupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("listen notifytest;", _conn);
command.ExecuteNonQuery();
_conn.Notification += new NotificationEventHandler(NotificationSupportHelper);
command = new NpgsqlCommand("notify notifytest;", _conn);
command.ExecuteNonQuery();
}
private void NotificationSupportHelper(Object sender, NpgsqlNotificationEventArgs args)
{
throw new InvalidOperationException();
}
[Test]
public void DateTimeSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select field_timestamp from tableb where field_serial = 2;", _conn);
DateTime d = (DateTime)command.ExecuteScalar();
Assert.AreEqual("2002-02-02 09:00:23Z", d.ToString("u"));
DateTimeFormatInfo culture = new DateTimeFormatInfo();
culture.TimeSeparator = ":";
DateTime dt = System.DateTime.Parse("2004-06-04 09:48:00", culture);
command.CommandText = "insert into tableb(field_timestamp) values (:a);delete from tableb where field_serial > 4;";
command.Parameters.Add(new NpgsqlParameter("a", DbType.DateTime));
command.Parameters[0].Value = dt;
command.ExecuteScalar();
}
[Test]
public void DateTimeSupportNpgsqlDbType()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select field_timestamp from tableb where field_serial = 2;", _conn);
DateTime d = (DateTime)command.ExecuteScalar();
Assert.AreEqual("2002-02-02 09:00:23Z", d.ToString("u"));
DateTimeFormatInfo culture = new DateTimeFormatInfo();
culture.TimeSeparator = ":";
DateTime dt = System.DateTime.Parse("2004-06-04 09:48:00", culture);
command.CommandText = "insert into tableb(field_timestamp) values (:a);delete from tableb where field_serial > 4;";
command.Parameters.Add(new NpgsqlParameter("a", NpgsqlDbType.Timestamp));
command.Parameters[0].Value = dt;
command.ExecuteScalar();
}
[Test]
public void DateSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select field_date from tablec where field_serial = 1;", _conn);
DateTime d = (DateTime)command.ExecuteScalar();
Assert.AreEqual("2002-03-04", d.ToString("yyyy-MM-dd"));
}
[Test]
public void TimeSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select field_time from tablec where field_serial = 2;", _conn);
DateTime d = (DateTime)command.ExecuteScalar();
Assert.AreEqual("10:03:45.345", d.ToString("HH:mm:ss.fff"));
}
[Test]
public void NumericSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tableb(field_numeric) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", DbType.Decimal));
command.Parameters[0].Value = 7.4M;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select * from tableb where field_numeric = :a";
NpgsqlDataReader dr = command.ExecuteReader();
dr.Read();
Decimal result = dr.GetDecimal(3);
command.CommandText = "delete from tableb where field_serial = (select max(field_serial) from tableb) and field_serial != 3;";
command.Parameters.Clear();
command.ExecuteNonQuery();
Assert.AreEqual(7.4000000M, result);
}
[Test]
public void NumericSupportNpgsqlDbType()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tableb(field_numeric) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", NpgsqlDbType.Numeric));
command.Parameters[0].Value = 7.4M;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select * from tableb where field_numeric = :a";
NpgsqlDataReader dr = command.ExecuteReader();
dr.Read();
Decimal result = dr.GetDecimal(3);
command.CommandText = "delete from tableb where field_serial = (select max(field_serial) from tableb) and field_serial != 3;";
command.Parameters.Clear();
command.ExecuteNonQuery();
Assert.AreEqual(7.4000000M, result);
}
[Test]
public void InsertSingleValue()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tabled(field_float4) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter(":a", DbType.Single));
command.Parameters[0].Value = 7.4F;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select * from tabled where field_float4 = :a";
NpgsqlDataReader dr = command.ExecuteReader();
dr.Read();
Single result = dr.GetFloat(1);
command.CommandText = "delete from tabled where field_serial > 2;";
command.Parameters.Clear();
command.ExecuteNonQuery();
Assert.AreEqual(7.4F, result);
}
[Test]
public void InsertSingleValueNpgsqlDbType()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tabled(field_float4) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter(":a", NpgsqlDbType.Real));
command.Parameters[0].Value = 7.4F;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select * from tabled where field_float4 = :a";
NpgsqlDataReader dr = command.ExecuteReader();
dr.Read();
Single result = dr.GetFloat(1);
command.CommandText = "delete from tabled where field_serial > 2;";
command.Parameters.Clear();
command.ExecuteNonQuery();
Assert.AreEqual(7.4F, result);
}
[Test]
public void InsertDoubleValue()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tabled(field_float8) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter(":a", DbType.Double));
command.Parameters[0].Value = 7.4D;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select * from tabled where field_float8 = :a";
NpgsqlDataReader dr = command.ExecuteReader();
dr.Read();
Double result = dr.GetDouble(2);
command.CommandText = "delete from tabled where field_serial > 2;";
command.Parameters.Clear();
//command.ExecuteNonQuery();
Assert.AreEqual(7.4D, result);
}
[Test]
public void InsertDoubleValueNpgsqlDbType()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tabled(field_float8) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter(":a", NpgsqlDbType.Double));
command.Parameters[0].Value = 7.4D;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select * from tabled where field_float8 = :a";
NpgsqlDataReader dr = command.ExecuteReader();
dr.Read();
Double result = dr.GetDouble(2);
command.CommandText = "delete from tabled where field_serial > 2;";
command.Parameters.Clear();
//command.ExecuteNonQuery();
Assert.AreEqual(7.4D, result);
}
[Test]
public void NegativeNumericSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select * from tableb where field_serial = 4", _conn);
NpgsqlDataReader dr = command.ExecuteReader();
dr.Read();
Decimal result = dr.GetDecimal(3);
Assert.AreEqual(-4.3000000M, result);
}
[Test]
public void PrecisionScaleNumericSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select * from tableb where field_serial = 4", _conn);
NpgsqlDataReader dr = command.ExecuteReader();
dr.Read();
Decimal result = dr.GetDecimal(3);
Assert.AreEqual(-4.3000000M, (Decimal)result);
//Assert.AreEqual(11, result.Precision);
//Assert.AreEqual(7, result.Scale);
}
[Test]
public void InsertNullString()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tablea(field_text) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", DbType.String));
command.Parameters[0].Value = DBNull.Value;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select count(*) from tablea where field_text is null";
command.Parameters.Clear();
Int64 result = (Int64)command.ExecuteScalar();
command.CommandText = "delete from tablea where field_serial = (select max(field_serial) from tablea) and field_serial != 4;";
command.ExecuteNonQuery();
Assert.AreEqual(4, result);
}
[Test]
public void InsertNullStringNpgsqlDbType()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tablea(field_text) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", NpgsqlDbType.Text));
command.Parameters[0].Value = DBNull.Value;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select count(*) from tablea where field_text is null";
command.Parameters.Clear();
Int64 result = (Int64)command.ExecuteScalar();
command.CommandText = "delete from tablea where field_serial = (select max(field_serial) from tablea) and field_serial != 4;";
command.ExecuteNonQuery();
Assert.AreEqual(4, result);
}
[Test]
public void InsertNullDateTime()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tableb(field_timestamp) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", DbType.DateTime));
command.Parameters[0].Value = DBNull.Value;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select count(*) from tableb where field_timestamp is null";
command.Parameters.Clear();
Object result = command.ExecuteScalar();
command.CommandText = "delete from tableb where field_serial = (select max(field_serial) from tableb) and field_serial != 3;";
command.ExecuteNonQuery();
Assert.AreEqual(4, result);
}
[Test]
public void InsertNullDateTimeNpgsqlDbType()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tableb(field_timestamp) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", NpgsqlDbType.Timestamp));
command.Parameters[0].Value = DBNull.Value;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select count(*) from tableb where field_timestamp is null";
command.Parameters.Clear();
Object result = command.ExecuteScalar();
command.CommandText = "delete from tableb where field_serial = (select max(field_serial) from tableb) and field_serial != 3;";
command.ExecuteNonQuery();
Assert.AreEqual(4, result);
}
[Test]
public void InsertNullInt16()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tableb(field_int2) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", DbType.Int16));
command.Parameters[0].Value = DBNull.Value;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select count(*) from tableb where field_int2 is null";
command.Parameters.Clear();
Object result = command.ExecuteScalar(); // The missed cast is needed as Server7.2 returns Int32 and Server7.3+ returns Int64
command.CommandText = "delete from tableb where field_serial = (select max(field_serial) from tableb);";
command.ExecuteNonQuery();
Assert.AreEqual(4, result);
}
[Test]
public void InsertNullInt16NpgsqlDbType()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tableb(field_int2) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", NpgsqlDbType.Smallint));
command.Parameters[0].Value = DBNull.Value;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select count(*) from tableb where field_int2 is null";
command.Parameters.Clear();
Object result = command.ExecuteScalar(); // The missed cast is needed as Server7.2 returns Int32 and Server7.3+ returns Int64
command.CommandText = "delete from tableb where field_serial = (select max(field_serial) from tableb);";
command.ExecuteNonQuery();
Assert.AreEqual(4, result);
}
[Test]
public void InsertNullInt32()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tablea(field_int4) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", DbType.Int32));
command.Parameters[0].Value = DBNull.Value;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select count(*) from tablea where field_int4 is null";
command.Parameters.Clear();
Object result = command.ExecuteScalar(); // The missed cast is needed as Server7.2 returns Int32 and Server7.3+ returns Int64
command.CommandText = "delete from tablea where field_serial = (select max(field_serial) from tablea);";
command.ExecuteNonQuery();
Assert.AreEqual(5, result);
}
[Test]
public void InsertNullNumeric()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tableb(field_numeric) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", DbType.Decimal));
command.Parameters[0].Value = DBNull.Value;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select count(*) from tableb where field_numeric is null";
command.Parameters.Clear();
Object result = command.ExecuteScalar(); // The missed cast is needed as Server7.2 returns Int32 and Server7.3+ returns Int64
command.CommandText = "delete from tableb where field_serial = (select max(field_serial) from tableb);";
command.ExecuteNonQuery();
Assert.AreEqual(3, result);
}
[Test]
public void InsertNullBoolean()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tablea(field_bool) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", DbType.Boolean));
command.Parameters[0].Value = DBNull.Value;
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = "select count(*) from tablea where field_bool is null";
command.Parameters.Clear();
Object result = command.ExecuteScalar(); // The missed cast is needed as Server7.2 returns Int32 and Server7.3+ returns Int64
command.CommandText = "delete from tablea where field_serial = (select max(field_serial) from tablea);";
command.ExecuteNonQuery();
Assert.AreEqual(5, result);
}
[Test]
public void AnsiStringSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tablea(field_text) values (:a)", _conn);
command.Parameters.Add(new NpgsqlParameter("a", DbType.AnsiString));
command.Parameters[0].Value = "TesteAnsiString";
Int32 rowsAdded = command.ExecuteNonQuery();
Assert.AreEqual(1, rowsAdded);
command.CommandText = String.Format("select count(*) from tablea where field_text = '{0}'", command.Parameters[0].Value);
command.Parameters.Clear();
Object result = command.ExecuteScalar(); // The missed cast is needed as Server7.2 returns Int32 and Server7.3+ returns Int64
command.CommandText = "delete from tablea where field_serial = (select max(field_serial) from tablea);";
command.ExecuteNonQuery();
Assert.AreEqual(1, result);
}
[Test]
public void MultipleQueriesFirstResultsetEmpty()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("insert into tablea(field_text) values ('a'); select count(*) from tablea;", _conn);
Object result = command.ExecuteScalar();
command.CommandText = "delete from tablea where field_serial > 5";
command.ExecuteNonQuery();
command.CommandText = "select * from tablea where field_serial = 0";
command.ExecuteScalar();
Assert.AreEqual(6, result);
}
[Test]
[ExpectedException(typeof(NpgsqlException))]
public void ConnectionStringWithInvalidParameters()
{
NpgsqlConnection conn = new NpgsqlConnection("Server=127.0.0.1;User Id=npgsql_tests;Password=j");
NpgsqlCommand command = new NpgsqlCommand("select * from tablea", conn);
command.Connection.Open();
command.ExecuteReader();
command.Connection.Close();
}
[Test]
[ExpectedException(typeof(NpgsqlException))]
public void InvalidConnectionString()
{
NpgsqlConnection conn = new NpgsqlConnection("Server=127.0.0.1;User Id=npgsql_tests");
NpgsqlCommand command = new NpgsqlCommand("select * from tablea", conn);
command.Connection.Open();
command.ExecuteReader();
command.Connection.Close();
}
[Test]
public void AmbiguousFunctionParameterType()
{
NpgsqlConnection conn = new NpgsqlConnection("Server=127.0.0.1;User Id=npgsql_tests;Password=npgsql_tests");
NpgsqlCommand command = new NpgsqlCommand("ambiguousParameterType(:a, :b, :c, :d, :e, :f)", conn);
command.CommandType = CommandType.StoredProcedure;
NpgsqlParameter p = new NpgsqlParameter("a", DbType.Int16);
p.Value = 2;
command.Parameters.Add(p);
p = new NpgsqlParameter("b", DbType.Int32);
p.Value = 2;
command.Parameters.Add(p);
p = new NpgsqlParameter("c", DbType.Int64);
p.Value = 2;
command.Parameters.Add(p);
p = new NpgsqlParameter("d", DbType.String);
p.Value = "a";
command.Parameters.Add(p);
p = new NpgsqlParameter("e", DbType.String);
p.Value = "a";
command.Parameters.Add(p);
p = new NpgsqlParameter("f", DbType.String);
p.Value = "a";
command.Parameters.Add(p);
command.Connection.Open();
command.Prepare();
command.ExecuteScalar();
command.Connection.Close();
}
[Test]
public void TestParameterReplace()
{
_conn.Open();
String sql = @"select * from tablea where
field_serial = :a
";
NpgsqlCommand command = new NpgsqlCommand(sql, _conn);
command.Parameters.Add(new NpgsqlParameter("a", DbType.Int32));
command.Parameters[0].Value = 2;
Int32 rowsAdded = command.ExecuteNonQuery();
}
[Test]
public void TestPointSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select field_point from tablee where field_serial = 1", _conn);
NpgsqlPoint p = (NpgsqlPoint) command.ExecuteScalar();
Assert.AreEqual(4, p.X);
Assert.AreEqual(3, p.Y);
}
[Test]
public void TestBoxSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select field_box from tablee where field_serial = 2", _conn);
NpgsqlBox box = (NpgsqlBox) command.ExecuteScalar();
Assert.AreEqual(5, box.UpperRight.X);
Assert.AreEqual(4, box.UpperRight.Y);
Assert.AreEqual(4, box.LowerLeft.X);
Assert.AreEqual(3, box.LowerLeft.Y);
}
[Test]
public void TestLSegSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select field_lseg from tablee where field_serial = 3", _conn);
NpgsqlLSeg lseg = (NpgsqlLSeg) command.ExecuteScalar();
Assert.AreEqual(4, lseg.Start.X);
Assert.AreEqual(3, lseg.Start.Y);
Assert.AreEqual(5, lseg.End.X);
Assert.AreEqual(4, lseg.End.Y);
}
[Test]
public void TestClosedPathSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select field_path from tablee where field_serial = 4", _conn);
NpgsqlPath path = (NpgsqlPath) command.ExecuteScalar();
Assert.AreEqual(false, path.Open);
Assert.AreEqual(2, path.Count);
Assert.AreEqual(4, path[0].X);
Assert.AreEqual(3, path[0].Y);
Assert.AreEqual(5, path[1].X);
Assert.AreEqual(4, path[1].Y);
}
[Test]
public void TestOpenPathSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select field_path from tablee where field_serial = 5", _conn);
NpgsqlPath path = (NpgsqlPath) command.ExecuteScalar();
Assert.AreEqual(true, path.Open);
Assert.AreEqual(2, path.Count);
Assert.AreEqual(4, path[0].X);
Assert.AreEqual(3, path[0].Y);
Assert.AreEqual(5, path[1].X);
Assert.AreEqual(4, path[1].Y);
}
[Test]
public void TestPolygonSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select field_polygon from tablee where field_serial = 6", _conn);
NpgsqlPolygon polygon = (NpgsqlPolygon) command.ExecuteScalar();
Assert.AreEqual(2, polygon.Count);
Assert.AreEqual(4, polygon[0].X);
Assert.AreEqual(3, polygon[0].Y);
Assert.AreEqual(5, polygon[1].X);
Assert.AreEqual(4, polygon[1].Y);
}
[Test]
public void TestCircleSupport()
{
_conn.Open();
NpgsqlCommand command = new NpgsqlCommand("select field_circle from tablee where field_serial = 7", _conn);
NpgsqlCircle circle = (NpgsqlCircle) command.ExecuteScalar();
Assert.AreEqual(4, circle.Center.X);
Assert.AreEqual(3, circle.Center.Y);
Assert.AreEqual(5, circle.Radius);
}
}
}