mcs/class/Mono.Data.Sqlite/Test/SqliteDataReaderTest.cs

   1 // SqliteDataReaderTest.cs - NUnit Test Cases for SqliteDataReader
   2 //
   3 // Authors:
   4 //   Sureshkumar T <tsureshkumar@novell.com>
   5 //
   6
   7 //
   8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30
  31 using System;
  32 using System.Data;
  33 using System.IO;
  34 using Mono.Data.Sqlite;
  35
  36 using NUnit.Framework;
  37
  38 namespace MonoTests.Mono.Data.Sqlite
  39 {
  40         [TestFixture]
  41         public class SqliteDataReaderTest
  42         {
  43                 readonly static string _uri = "./test.db";
  44                 readonly static string _connectionString = "URI=file://" + _uri + ", version=3";
  45                 SqliteConnection _conn = new SqliteConnection ();
  46
  47                 [TestFixtureSetUp]
  48                 public void FixtureSetUp ()
  49                 {
  50                         if (! File.Exists (_uri) || new FileInfo (_uri).Length == 0) {
  51                                 // ignore all tests
  52                                 Assert.Ignore ("#000 ignoring all fixtures. No database present");
  53                         }
  54                 }
  55
  56
  57                 [Test]
  58                 [Category ("NotWorking")]
  59                 public void GetSchemaTableTest ()
  60                 {
  61                         _conn.ConnectionString = _connectionString;
  62                         SqliteDataReader reader = null;
  63                         using (_conn) {
  64                                 _conn.Open ();
  65                                 SqliteCommand cmd = (SqliteCommand) _conn.CreateCommand ();
  66                                 cmd.CommandText = "select * from test";
  67                                 reader = cmd.ExecuteReader ();
  68                                 try {
  69                                         DataTable dt = reader.GetSchemaTable ();
  70                                         Assert.IsNotNull (dt, "#GS1 should return valid table");
  71                                         Assert.IsTrue (dt.Rows.Count > 0, "#GS2 should return with rows ;-)");
  72                                 } finally {
  73                                         if (reader != null && !reader.IsClosed)
  74                                                 reader.Close ();
  75                                         _conn.Close ();
  76                                 }
  77                         }
  78                 }
  79
  80                 [Test]
  81                 public void TypeOfNullInResultTest ()
  82                 {
  83                         _conn.ConnectionString = _connectionString;
  84                         SqliteDataReader reader = null;
  85                         using (_conn) {
  86                                 _conn.Open ();
  87                                 SqliteCommand cmd = (SqliteCommand) _conn.CreateCommand ();
  88                                 cmd.CommandText = "select null from test";
  89                                 reader = cmd.ExecuteReader ();
  90                                 try {
  91                                         Assert.IsTrue (reader.Read());
  92                                         Assert.IsNotNull (reader.GetFieldType (0));
  93                                 } finally {
  94                                         if (reader != null && !reader.IsClosed)
  95                                                 reader.Close ();
  96                                         _conn.Close ();
  97                                 }
  98                         }
  99                 }
 100
 101                 [Test]
 102                 public void TimestampTest ()
 103                 {
 104                         _conn.ConnectionString = _connectionString;
 105                         using (_conn) {
 106                                 _conn.Open ();
 107                                 var cmd = (SqliteCommand) _conn.CreateCommand ();
 108                                 cmd.CommandText = @"CREATE TABLE IF NOT EXISTS TestNullableDateTime (nullable TIMESTAMP NULL, dummy int); INSERT INTO TestNullableDateTime (nullable, dummy) VALUES (124123, 2);";
 109                                 cmd.ExecuteNonQuery ();
 110
 111                                 var query = "SELECT * FROM TestNullableDateTime;";
 112                                 cmd = (SqliteCommand) _conn.CreateCommand ();
 113                                 cmd.CommandText = query;
 114                                 cmd.CommandType = CommandType.Text;
 115
 116                                 using (var reader = cmd.ExecuteReader ()) {
 117                                         try {
 118                                                 var dt = reader ["nullable"];
 119                                                 Assert.Fail ("Expected: FormatException");
 120                                         } catch (FormatException ex) {
 121                                                 // expected this one
 122                                         }
 123                                 }
 124                         }
 125
 126                         _conn.ConnectionString = _connectionString + ",DateTimeFormat=UnixEpoch";
 127                         using (_conn) {
 128                                 _conn.Open ();
 129                                 var cmd = (SqliteCommand) _conn.CreateCommand ();
 130                                 cmd.CommandText = @"CREATE TABLE IF NOT EXISTS TestNullableDateTime (nullable TIMESTAMP NULL, dummy int); INSERT INTO TestNullableDateTime (nullable, dummy) VALUES (124123, 2);";
 131                                 cmd.ExecuteNonQuery ();
 132
 133                                 var query = "SELECT * FROM TestNullableDateTime;";
 134                                 cmd = (SqliteCommand) _conn.CreateCommand ();
 135                                 cmd.CommandText = query;
 136                                 cmd.CommandType = CommandType.Text;
 137
 138                                 using (var reader = cmd.ExecuteReader ()) {
 139                                         // this should succeed now
 140                                         var dt = reader ["nullable"];
 141                                 }
 142                         }
 143                 }
 144
 145                 [Test]
 146                 public void CloseConnectionTest ()
 147                 {
 148                         // When this test fails it may confuse nunit a bit, causing it to show strange
 149                         // exceptions, since it leaks file handles (and nunit tries to open files,
 150                         // which it doesn't expect to fail).
 151
 152                         // For the same reason a lot of other tests will fail when this one fails.
 153
 154                         _conn.ConnectionString = _connectionString;
 155                         using (_conn) {
 156                                 _conn.Open ();
 157                                 using (var cmd = (SqliteCommand) _conn.CreateCommand ()) {
 158                                         cmd.CommandText = @"CREATE TABLE IF NOT EXISTS TestNullableDateTime (nullable TIMESTAMP NULL, dummy int); INSERT INTO TestNullableDateTime (nullable, dummy) VALUES (124123, 2);";
 159                                         cmd.ExecuteNonQuery ();
 160                                 }
 161                         }
 162
 163                         for (int i = 0; i < 1000; i++) {
 164                                 _conn.ConnectionString = _connectionString;
 165                                 using (_conn) {
 166                                         _conn.Open ();
 167                                         using (var cmd = (SqliteCommand) _conn.CreateCommand ()) {
 168                                                 cmd.CommandText = "SELECT * FROM TestNullableDateTime;";
 169                                                 cmd.CommandType = CommandType.Text;
 170
 171                                                 using (var reader = cmd.ExecuteReader (CommandBehavior.CloseConnection)) {
 172                                                         reader.Read ();
 173                                                 }
 174                                         }
 175                                 }
 176                         }
 177                 }
 178
 179                 [Test]
 180                 public void TestDataTypes ()
 181                 {
 182                         SqliteParameter param;
 183
 184                         _conn.ConnectionString = _connectionString;
 185                         using (_conn) {
 186                                 _conn.Open();
 187
 188                                 using (var cm = _conn.CreateCommand ()) {
 189                                         cm.CommandText = @"
 190 DROP TABLE TEST;
 191 CREATE TABLE TEST (F1 DATETIME, F2 GUIDBLOB NOT NULL, F3 BOOLEAN);
 192 INSERT INTO TEST (F1, F2, F3) VALUES (:F1, :F2, :F3)";
 193
 194                                         param = cm.CreateParameter ();
 195                                         param.ParameterName = ":F1";
 196                                         param.Value = DateTime.Now;
 197                                         cm.Parameters.Add (param);
 198                                         param = cm.CreateParameter ();
 199                                         param.ParameterName = ":F2";
 200                                         param.Value = new byte [] { 3, 14, 15 };
 201                                         cm.Parameters.Add (param);
 202                                         param = cm.CreateParameter ();
 203                                         param.ParameterName = ":F3";
 204                                         param.Value = true;
 205                                         cm.Parameters.Add (param);
 206
 207                                         cm.ExecuteNonQuery ();
 208                                 }
 209
 210                                 using (var cm = _conn.CreateCommand ()) {
 211                                         cm.CommandText = "SELECT * FROM TEST";
 212                                         using (var dr = cm.ExecuteReader ()) {
 213                                                 dr.Read ();
 214
 215                                                 Assert.AreEqual ("System.DateTime", dr.GetFieldType (dr.GetOrdinal ("F1")).ToString (), "F1");
 216                                                 Assert.AreEqual ("GUIDBLOB", dr.GetDataTypeName (dr.GetOrdinal ("F2")), "F2");
 217                                                 Assert.AreEqual ("System.Guid", dr.GetFieldType (dr.GetOrdinal ("F2")).ToString (), "F2-#2");
 218                                                 Assert.AreEqual ("System.Boolean", dr.GetFieldType (dr.GetOrdinal ("F3")).ToString (), "F3");
 219                                                 Assert.AreEqual ("BOOLEAN", dr.GetDataTypeName (dr.GetOrdinal ("F3")), "F3-#2");
 220                                         }
 221                                 }
 222                         }
 223                 }
 224         }
 225 }