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

   1 // SqliteConnectionTest.cs - NUnit Test Cases for SqliteConnection
   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 SqliteConnectionTest
  42         {
  43                 readonly static string _uri = Path.Combine (Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "test.db");
  44                 readonly static string _connectionString = "URI=file://" + _uri + ", version=3";
  45                 SqliteConnection _conn = new SqliteConnection ();
  46
  47                 [Test]
  48                 public void ReleaseDatabaseFileHandles ()
  49                 {
  50                         _conn.ConnectionString = _connectionString;
  51                         _conn.Open ();
  52
  53                         SqliteCommand cmd = _conn.CreateCommand ();
  54                         cmd.CommandText = "PRAGMA legacy_file_format;";
  55                         cmd.ExecuteScalar ();
  56
  57                         // close connection before the command
  58                         _conn.Dispose ();
  59
  60                         // then close the command
  61                         cmd.Dispose ();
  62
  63                         // the locks should be released, and we should be able to delete the database
  64                         File.Delete (_uri);
  65                 }
  66
  67                 [Test]
  68                 [ExpectedException (typeof (ArgumentNullException))]
  69                 public void ConnectionStringTest_Null ()
  70                 {
  71                         _conn.ConnectionString = null;
  72                 }
  73
  74                 [Test]
  75                 [ExpectedException (typeof (InvalidOperationException))]
  76                 public void ConnectionStringTest_MustBeClosed ()
  77                 {
  78                         _conn.ConnectionString = _connectionString;
  79                         try {
  80                                 _conn.Open ();
  81                                 _conn.ConnectionString = _connectionString;
  82                         } finally {
  83                                 _conn.Close ();
  84                         }
  85                 }
  86
  87                                 // behavior has changed, I guess
  88                 //[Test]
  89                 [Ignore ("opening a connection should not create db! though, leave for now")]
  90                 public void OpenTest ()
  91                 {
  92                         try {
  93                                 _conn.ConnectionString = _connectionString;
  94                                 _conn.Open ();
  95                                 Assert.AreEqual (ConnectionState.Open, _conn.State, "#1 not opened");
  96                                 _conn.Close ();
  97
  98                                 // negative test: try opening a non-existent file
  99                                 _conn.ConnectionString = "URI=file://abcdefgh.db, version=3";
 100                                 try {
 101                                         _conn.Open ();
 102                                         Assert.Fail ("#1 should have failed on opening a non-existent db");
 103                                 } catch (ArgumentException e) {Console.WriteLine (e);}
 104
 105                         } finally {
 106                                 if (_conn != null && _conn.State != ConnectionState.Closed)
 107                                         _conn.Close ();
 108                         }
 109                 }
 110
 111         }
 112 }