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// SqliteDataReaderTest.cs - NUnit Test Cases for SqliteDataReader
//
// Authors:
// Sureshkumar T <tsureshkumar@novell.com>
//
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// 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.Collections.Generic;
using System.Data;
using System.IO;
using System.Text;
using Mono.Data.Sqlite;
using NUnit.Framework;
using MonoTests.Helpers;
namespace MonoTests.Mono.Data.Sqlite
{
[TestFixture]
public class SqliteDataReaderTest
{
readonly static string _uri = TestResourceHelper.GetFullPathOfResource("Test/test.db");
readonly static string _connectionString = "URI=file://" + _uri + ", version=3";
SqliteConnection _conn = new SqliteConnection ();
[TestFixtureSetUp]
public void FixtureSetUp ()
{
if (! File.Exists (_uri) || new FileInfo (_uri).Length == 0) {
// ignore all tests
Assert.Ignore ("#000 ignoring all fixtures. No database present");
}
}
[Test]
public void EmptyStatementThrowsAgrumentException ()
{
_conn.ConnectionString = _connectionString;
SqliteDataReader reader = null;
using (_conn) {
_conn.Open ();
SqliteCommand cmd = (SqliteCommand) _conn.CreateCommand ();
cmd.CommandText = string.Empty;
try {
reader = cmd.ExecuteReader ();
Assert.Fail ();
} catch (ArgumentException ex){
// expected this one
} catch (Exception ex) {
Assert.Fail ();
}
}
}
[Test]
public void NullStatementThrowsAgrumentException ()
{
_conn.ConnectionString = _connectionString;
SqliteDataReader reader = null;
using (_conn) {
_conn.Open ();
SqliteCommand cmd = (SqliteCommand) _conn.CreateCommand ();
cmd.CommandText = null;
try {
reader = cmd.ExecuteReader ();
Assert.Fail ();
} catch (ArgumentException ex){
// expected this one
} catch (Exception ex) {
Assert.Fail ();
}
}
}
[Test]
public void WhitespaceOnlyStatementThrowsAgrumentException ()
{
_conn.ConnectionString = _connectionString;
SqliteDataReader reader = null;
using (_conn) {
_conn.Open ();
SqliteCommand cmd = (SqliteCommand) _conn.CreateCommand ();
cmd.CommandText = " ";
try {
reader = cmd.ExecuteReader ();
Assert.Fail ();
} catch (ArgumentException ex){
// expected this one
} catch (Exception ex) {
Assert.Fail ();
}
}
}
[Test]
[Category ("NotWorking")]
public void GetSchemaTableTest ()
{
_conn.ConnectionString = _connectionString;
SqliteDataReader reader = null;
using (_conn) {
_conn.Open ();
SqliteCommand cmd = (SqliteCommand) _conn.CreateCommand ();
cmd.CommandText = "select * from test";
reader = cmd.ExecuteReader ();
try {
DataTable dt = reader.GetSchemaTable ();
Assert.IsNotNull (dt, "#GS1 should return valid table");
Assert.IsTrue (dt.Rows.Count > 0, "#GS2 should return with rows ;-)");
} finally {
if (reader != null && !reader.IsClosed)
reader.Close ();
_conn.Close ();
}
}
}
[Test]
public void TypeOfNullInResultTest ()
{
_conn.ConnectionString = _connectionString;
SqliteDataReader reader = null;
using (_conn) {
_conn.Open ();
SqliteCommand cmd = (SqliteCommand) _conn.CreateCommand ();
cmd.CommandText = "select null from test";
reader = cmd.ExecuteReader ();
try {
Assert.IsTrue (reader.Read());
Assert.IsNotNull (reader.GetFieldType (0));
} finally {
if (reader != null && !reader.IsClosed)
reader.Close ();
_conn.Close ();
}
}
}
[Test]
public void TimestampTest ()
{
_conn.ConnectionString = _connectionString;
using (_conn) {
_conn.Open ();
var cmd = (SqliteCommand) _conn.CreateCommand ();
cmd.CommandText = @"CREATE TABLE IF NOT EXISTS TestNullableDateTime (nullable TIMESTAMP NULL, dummy int); INSERT INTO TestNullableDateTime (nullable, dummy) VALUES (124123, 2);";
cmd.ExecuteNonQuery ();
var query = "SELECT * FROM TestNullableDateTime;";
cmd = (SqliteCommand) _conn.CreateCommand ();
cmd.CommandText = query;
cmd.CommandType = CommandType.Text;
using (var reader = cmd.ExecuteReader ()) {
try {
var dt = reader ["nullable"];
Assert.Fail ("Expected: FormatException");
} catch (FormatException ex) {
// expected this one
}
}
}
_conn.ConnectionString = _connectionString + ",DateTimeFormat=UnixEpoch";
using (_conn) {
_conn.Open ();
var cmd = (SqliteCommand) _conn.CreateCommand ();
cmd.CommandText = @"CREATE TABLE IF NOT EXISTS TestNullableDateTime (nullable TIMESTAMP NULL, dummy int); INSERT INTO TestNullableDateTime (nullable, dummy) VALUES (124123, 2);";
cmd.ExecuteNonQuery ();
var query = "SELECT * FROM TestNullableDateTime;";
cmd = (SqliteCommand) _conn.CreateCommand ();
cmd.CommandText = query;
cmd.CommandType = CommandType.Text;
using (var reader = cmd.ExecuteReader ()) {
// this should succeed now
var dt = reader ["nullable"];
}
}
}
[Test]
public void CloseConnectionTest ()
{
// When this test fails it may confuse nunit a bit, causing it to show strange
// exceptions, since it leaks file handles (and nunit tries to open files,
// which it doesn't expect to fail).
// For the same reason a lot of other tests will fail when this one fails.
_conn.ConnectionString = _connectionString;
using (_conn) {
_conn.Open ();
using (var cmd = (SqliteCommand) _conn.CreateCommand ()) {
cmd.CommandText = @"CREATE TABLE IF NOT EXISTS TestNullableDateTime (nullable TIMESTAMP NULL, dummy int); INSERT INTO TestNullableDateTime (nullable, dummy) VALUES (124123, 2);";
cmd.ExecuteNonQuery ();
}
}
for (int i = 0; i < 1000; i++) {
_conn.ConnectionString = _connectionString;
using (_conn) {
_conn.Open ();
using (var cmd = (SqliteCommand) _conn.CreateCommand ()) {
cmd.CommandText = "SELECT * FROM TestNullableDateTime;";
cmd.CommandType = CommandType.Text;
using (var reader = cmd.ExecuteReader (CommandBehavior.CloseConnection)) {
reader.Read ();
}
}
}
}
}
void AddParameter (global::System.Data.Common.DbCommand cm, string name, object value)
{
var param = cm.CreateParameter ();
param.ParameterName = ":" + name;
param.Value = value;
cm.Parameters.Add (param);
}
class D
{
public string Sql;
public Type Expected;
public object Value;
}
[Test]
public void TestDataTypes ()
{
SqliteParameter param;
var data = new List<D> ()
{
new D () { Sql = "DATETIME", Expected = typeof (DateTime), Value = DateTime.Now },
new D () { Sql = "GUIDBLOB NOT NULL", Expected = typeof (Guid), Value = new byte [] { 3, 14, 15 } },
new D () { Sql = "BOOLEAN", Expected = typeof (bool), Value = true },
new D () { Sql = "INT32", Expected = typeof (long), Value = 1 },
new D () { Sql = "INT32 NOT NULL", Expected = typeof (long), Value = 2 },
new D () { Sql = "UINT1", Expected = typeof (long), Value = 3 },
// these map to the INTEGER affinity
new D () { Sql = "INT", Expected = typeof (int), Value = 4 },
new D () { Sql = "INTEGER", Expected = typeof (long), Value = 5 },
new D () { Sql = "TINYINT", Expected = typeof (byte), Value = 6 },
new D () { Sql = "SMALLINT", Expected = typeof (short), Value = 7 },
new D () { Sql = "MEDIUMINT", Expected = typeof (long), Value = 8 },
new D () { Sql = "BIGINT", Expected = typeof (long), Value = 9 },
new D () { Sql = "UNSIGNED BIG INT", Expected = typeof (long), Value = 0 },
new D () { Sql = "INT2", Expected = typeof (long), Value = 1 },
new D () { Sql = "INT4", Expected = typeof (long), Value = 2 },
// these map to the TEXT affinity
new D () { Sql = "CHARACTER(20)", Expected = typeof (string), Value = "a" },
new D () { Sql = "VARCHAR(255)", Expected = typeof (string), Value = "b" },
new D () { Sql = "VARYING CHARACTER(255)", Expected = typeof (string), Value = "c" },
new D () { Sql = "NCHAR(55)", Expected = typeof (string), Value = "d" },
new D () { Sql = "NATIVE CHARACTER(70)", Expected = typeof (string), Value = "e" },
new D () { Sql = "NVARCHAR(100)", Expected = typeof (string), Value = "f" },
new D () { Sql = "TEXT", Expected = typeof (string), Value = "g" },
new D () { Sql = "CLOB", Expected = typeof (string), Value = "h" },
// these map to the NONE affinity
new D () { Sql = "BLOB", Expected = typeof (byte[]), Value = new byte [] { 3, 14, 15 } },
new D () { Sql = "", Expected = typeof (object), Value = null },
// these map to the REAL affinity
new D () { Sql = "REAL", Expected = typeof (float), Value = 3.2 },
new D () { Sql = "DOUBLE", Expected = typeof (double), Value = 4.2 },
new D () { Sql = "DOUBLE PRECISION", Expected = typeof (double), Value = 5.2 },
new D () { Sql = "FLOAT", Expected = typeof (double), Value = 6.2 },
// these map to the NUMERIC affinity
new D () { Sql = "NUMERIC", Expected = typeof (decimal), Value = 3.2 },
new D () { Sql = "DECIMAL(10,5)", Expected = typeof (decimal), Value = null },
new D () { Sql = "BOOLEAN", Expected = typeof (bool), Value = true },
new D () { Sql = "DATE", Expected = typeof (DateTime), Value = DateTime.Now },
new D () { Sql = "DATETIME", Expected = typeof (DateTime), Value = DateTime.Now },
};
_conn.ConnectionString = _connectionString;
using (_conn) {
_conn.Open();
using (var cm = _conn.CreateCommand ()) {
var sql = new StringBuilder ();
var args = new StringBuilder ();
var vals = new StringBuilder ();
sql.AppendLine ("DROP TABLE TEST;");
sql.Append ("CREATE TABLE TEST (");
bool comma = false;
for (int i = 0; i < data.Count; i++) {
if (comma) {
sql.Append (", ");
args.Append (", ");
vals.Append (", ");
}
comma = true;
sql.AppendFormat ("F{0} {1}", i, data [i].Sql);
args.AppendFormat ("F{0}", i);
vals.AppendFormat (":F{0}", i);
AddParameter (cm, "F" + i.ToString (), data [i].Value);
}
sql.AppendLine (");");
sql.Append ("INSERT INTO TEST (");
sql.Append (args.ToString ());
sql.Append (") VALUES (");
sql.Append (vals.ToString ());
sql.Append (");");
cm.CommandText = sql.ToString ();
cm.ExecuteNonQuery ();
}
using (var cm = _conn.CreateCommand ()) {
cm.CommandText = "SELECT * FROM TEST";
using (var dr = cm.ExecuteReader ()) {
dr.Read ();
for (int i = 0; i < data.Count; i++) {
string tn = data [i].Sql.Replace (" NOT NULL", "");
int index = dr.GetOrdinal ("F" + i.ToString ());
Assert.AreEqual (tn, dr.GetDataTypeName (index), "F" + i.ToString () + " (" + data [i].Sql + ")");
Assert.AreEqual (data [i].Expected.FullName, dr.GetFieldType (index).ToString (), "F" + i.ToString () + " (" + data [i].Sql + ")");
}
}
}
}
}
}
}
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