mcs/class/System.Configuration/Test/System.Configuration/ConfigurationManagerTest.cs

   1 //
   2 // System.Configuration.ConfigurationManagerTest.cs - Unit tests
   3 // for System.Configuration.ConfigurationManager.
   4 //
   5 // Author:
   6 //      Chris Toshok  <toshok@ximian.com>
   7 //      Atsushi Enomoto  <atsushi@ximian.com>
   8 //
   9 // Copyright (C) 2005-2006 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using System.Collections;
  33 using System.Collections.Specialized;
  34 using System.Configuration;
  35 using System.Net.Configuration;
  36 using System.IO;
  37 using NUnit.Framework;
  38 using SysConfig = System.Configuration.Configuration;
  39 using System.Runtime.InteropServices;
  40 using System.Reflection;
  41
  42 namespace MonoTests.System.Configuration {
  43         using Util;
  44
  45         [TestFixture]
  46         public class ConfigurationManagerTest
  47         {
  48                 private string originalCurrentDir;
  49                 private string tempFolder;
  50
  51                 [SetUp]
  52                 public void SetUp ()
  53                 {
  54                         originalCurrentDir = Directory.GetCurrentDirectory ();
  55                         tempFolder = Path.Combine (Path.GetTempPath (), this.GetType ().FullName);
  56                         if (!Directory.Exists (tempFolder))
  57                                 Directory.CreateDirectory (tempFolder);
  58                 }
  59
  60                 [TearDown]
  61                 public void TearDown ()
  62                 {
  63                         Directory.SetCurrentDirectory (originalCurrentDir);
  64                         if (Directory.Exists (tempFolder))
  65                                 Directory.Delete (tempFolder, true);
  66                 }
  67
  68                 [Test] // OpenExeConfiguration (ConfigurationUserLevel)
  69                 [Category ("NotWorking")] // bug #323622
  70                 public void OpenExeConfiguration1_Remote ()
  71                 {
  72                         AppDomain domain = null;
  73                         string config_file;
  74                         string config_xml = @"
  75                                 <configuration>
  76                                         <appSettings>
  77                                                 <add key='anyKey' value='42' />
  78                                         </appSettings>
  79                                 </configuration>";
  80
  81                         config_file = Path.Combine (tempFolder, "otherConfig.noconfigext");
  82                         File.WriteAllText (config_file, config_xml);
  83
  84                         try {
  85                                 AppDomainSetup setup = new AppDomainSetup();
  86                                 setup.ConfigurationFile = config_file;
  87                                 setup.ApplicationBase = AppDomain.CurrentDomain.SetupInformation.ApplicationBase;
  88                                 domain = AppDomain.CreateDomain("foo", null, setup);
  89
  90                                 RemoteConfig config = RemoteConfig.GetInstance (domain);
  91
  92                                 ConfigurationUserLevel userLevel = ConfigurationUserLevel.None;
  93                                 Assert.AreEqual (config_file, config.GetFilePath (userLevel));
  94                                 Assert.AreEqual ("42", config.GetSettingValue (userLevel, "anyKey"));
  95                                 Assert.AreEqual ("42", config.GetSettingValue ("anyKey"));
  96                         } finally {
  97                                 if (domain != null)
  98                                         AppDomain.Unload (domain);
  99                                 File.Delete (config_file);
 100                         }
 101
 102                         config_file = Path.Combine (tempFolder, "otherConfig.exe.config");
 103                         File.WriteAllText (config_file, config_xml);
 104
 105                         try {
 106                                 AppDomainSetup setup = new AppDomainSetup();
 107                                 setup.ConfigurationFile = config_file;
 108                                 setup.ApplicationBase = AppDomain.CurrentDomain.SetupInformation.ApplicationBase;
 109                                 domain = AppDomain.CreateDomain("foo", null, setup);
 110
 111                                 RemoteConfig config = RemoteConfig.GetInstance (domain);
 112
 113                                 ConfigurationUserLevel userLevel = ConfigurationUserLevel.None;
 114                                 Assert.AreEqual (config_file, config.GetFilePath (userLevel));
 115                                 Assert.AreEqual ("42", config.GetSettingValue (userLevel, "anyKey"));
 116                                 Assert.AreEqual ("42", config.GetSettingValue ("anyKey"));
 117                         } finally {
 118                                 if (domain != null)
 119                                         AppDomain.Unload (domain);
 120                                 File.Delete (config_file);
 121                         }
 122
 123                         try {
 124                                 AppDomainSetup setup = new AppDomainSetup();
 125                                 setup.ConfigurationFile = config_file;
 126                                 setup.ApplicationBase = AppDomain.CurrentDomain.SetupInformation.ApplicationBase;
 127                                 domain = AppDomain.CreateDomain("foo", null, setup);
 128
 129                                 RemoteConfig config = RemoteConfig.GetInstance (domain);
 130
 131                                 ConfigurationUserLevel userLevel = ConfigurationUserLevel.None;
 132                                 Assert.AreEqual (config_file, config.GetFilePath (userLevel));
 133                                 Assert.IsNull (config.GetSettingValue (userLevel, "anyKey"));
 134                                 Assert.IsNull (config.GetSettingValue ("anyKey"));
 135                         } finally {
 136                                 if (domain != null)
 137                                         AppDomain.Unload (domain);
 138                                 File.Delete (config_file);
 139                         }
 140                 }
 141
 142                 [Test] // OpenExeConfiguration (ConfigurationUserLevel)
 143                 public void OpenExeConfiguration1_UserLevel_None ()
 144                 {
 145                         SysConfig config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
 146
 147                         Console.WriteLine("application config path: {0}", config.FilePath);
 148                         FileInfo fi = new FileInfo (config.FilePath);
 149                         Assert.AreEqual (TestUtil.ThisConfigFileName, fi.Name);
 150                 }
 151
 152                 [Test]
 153                 public void OpenExeConfiguration1_UserLevel_PerUserRoaming ()
 154                 {
 155                         SysConfig config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.PerUserRoaming);
 156                         Console.WriteLine("roaming user config path: {0}", config.FilePath);
 157
 158                         FileInfo fi = new FileInfo (config.FilePath);
 159                         Assert.AreEqual ("user.config", fi.Name);
 160                 }
 161
 162                 [Test]
 163                 public void OpenExeConfiguration1_UserLevel_PerUserRoamingAndLocal ()
 164                 {
 165                         SysConfig config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.PerUserRoamingAndLocal);
 166                         Console.WriteLine("local user config path: {0}", config.FilePath);
 167
 168                         FileInfo fi = new FileInfo (config.FilePath);
 169                         Assert.AreEqual ("user.config", fi.Name);
 170                 }
 171
 172                 [Test] // OpenExeConfiguration (String)
 173                 public void OpenExeConfiguration2 ()
 174                 {
 175                         String exePath;
 176                         SysConfig config;
 177
 178                         exePath = Path.Combine (tempFolder, "DoesNotExist.whatever");
 179                         File.Create (exePath).Close ();
 180
 181                         config = ConfigurationManager.OpenExeConfiguration (exePath);
 182                         Assert.AreEqual (exePath + ".config", config.FilePath, "#1");
 183
 184                         exePath = Path.Combine (tempFolder, "SomeExecutable.exe");
 185                         File.Create (exePath).Close ();
 186
 187                         config = ConfigurationManager.OpenExeConfiguration (exePath);
 188                         Assert.AreEqual (exePath + ".config", config.FilePath, "#2");
 189
 190                         exePath = Path.Combine (tempFolder, "Foo.exe.config");
 191                         File.Create (exePath).Close ();
 192
 193                         config = ConfigurationManager.OpenExeConfiguration (exePath);
 194                         Assert.AreEqual (exePath + ".config", config.FilePath, "#3");
 195
 196                         Directory.SetCurrentDirectory (tempFolder);
 197
 198                         exePath = "relative.exe";
 199                         File.Create (Path.Combine (tempFolder, exePath)).Close ();
 200
 201                         //
 202                         // The temp directory as computed by the runtime is slightly different, as
 203                         // it will contain the full path after following links, while the test
 204                         // below is not comprehensive enough to follow links if there are any
 205                         // present in tempFolder
 206                         //
 207
 208                         //config = ConfigurationManager.OpenExeConfiguration (exePath);
 209                         //Assert.AreEqual (Path.Combine (tempFolder, exePath + ".config"), config.FilePath, "#4");
 210                 }
 211
 212                 [Test] // OpenExeConfiguration (String)
 213                 public void OpenExeConfiguration2_ExePath_Empty ()
 214                 {
 215                         AppDomain domain = AppDomain.CurrentDomain;
 216
 217                         SysConfig config = ConfigurationManager.OpenExeConfiguration (string.Empty);
 218                         Assert.AreEqual (domain.SetupInformation.ConfigurationFile, config.FilePath);
 219                 }
 220
 221                 [Test] // OpenExeConfiguration (String)
 222                 public void OpenExeConfiguration2_ExePath_Null ()
 223                 {
 224                         AppDomain domain = AppDomain.CurrentDomain;
 225
 226                         SysConfig config = ConfigurationManager.OpenExeConfiguration (string.Empty);
 227                         Assert.AreEqual (domain.SetupInformation.ConfigurationFile, config.FilePath);
 228                 }
 229
 230                 [Test] // OpenExeConfiguration (String)
 231                 public void OpenExeConfiguration2_ExePath_DoesNotExist ()
 232                 {
 233                         String exePath = Path.Combine (tempFolder, "DoesNotExist.exe");
 234
 235                         try {
 236                                 ConfigurationManager.OpenExeConfiguration (exePath);
 237                                 Assert.Fail ("#1");
 238                         } catch (ConfigurationErrorsException ex) {
 239                                 // An error occurred loading a configuration file:
 240                                 // The parameter 'exePath' is invalid
 241                                 Assert.AreEqual (typeof (ConfigurationErrorsException), ex.GetType (), "#2");
 242                                 Assert.IsNull (ex.Filename, "#3");
 243                                 Assert.IsNotNull (ex.InnerException, "#4");
 244                                 Assert.AreEqual (0, ex.Line, "#5");
 245                                 Assert.IsNotNull (ex.Message, "#6");
 246
 247                                 // The parameter 'exePath' is invalid
 248                                 ArgumentException inner = ex.InnerException as ArgumentException;
 249                                 Assert.IsNotNull (inner, "#7");
 250                                 Assert.AreEqual (typeof (ArgumentException), inner.GetType (), "#8");
 251                                 Assert.IsNull (inner.InnerException, "#9");
 252                                 Assert.IsNotNull (inner.Message, "#10");
 253                                 Assert.AreEqual ("exePath", inner.ParamName, "#11");
 254                         }
 255                 }
 256
 257                 [Test]
 258                 public void exePath_UserLevelNone ()
 259                 {
 260                         string basedir = AppDomain.CurrentDomain.BaseDirectory;
 261                         string name = TestUtil.ThisDllName;
 262                         SysConfig config = ConfigurationManager.OpenExeConfiguration (name);
 263                         Assert.AreEqual (Path.Combine (basedir, name + ".config"), config.FilePath);
 264                 }
 265
 266                 [Test]
 267                 public void exePath_UserLevelPerRoaming ()
 268                 {
 269                         SysConfig config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.PerUserRoaming);
 270                         string filePath = config.FilePath;
 271                         string applicationData = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
 272                         Assert.IsTrue (filePath.StartsWith (applicationData), "#1:" + filePath);
 273                         Assert.AreEqual ("user.config", Path.GetFileName (filePath), "#2:" + filePath);
 274                 }
 275
 276                 [Test]
 277                 public void exePath_UserLevelPerRoamingAndLocal ()
 278                 {
 279                         SysConfig config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.PerUserRoamingAndLocal);
 280                         string filePath = config.FilePath;
 281                         string applicationData = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
 282                         Assert.IsTrue (filePath.StartsWith (applicationData), "#1:" + filePath);
 283                         Assert.AreEqual ("user.config", Path.GetFileName (filePath), "#2:" + filePath);
 284                 }
 285
 286                 [Test]
 287                 public void mapped_UserLevelNone ()
 288                 {
 289                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 290                         map.ExeConfigFilename = "execonfig";
 291
 292                         SysConfig config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);
 293                         Console.WriteLine("mapped application config path: {0}", config.FilePath);
 294
 295                         FileInfo fi = new FileInfo (config.FilePath);
 296                         Assert.AreEqual ("execonfig", fi.Name);
 297
 298                 }
 299
 300                 [Test]
 301                 public void mapped_UserLevelPerRoaming ()
 302                 {
 303                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 304                         map.ExeConfigFilename = "execonfig";
 305                         map.RoamingUserConfigFilename = "roaminguser";
 306
 307                         SysConfig config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.PerUserRoaming);
 308                         Console.WriteLine("mapped roaming user config path: {0}", config.FilePath);
 309
 310                         FileInfo fi = new FileInfo (config.FilePath);
 311                         Assert.AreEqual ("roaminguser", fi.Name);
 312                 }
 313
 314                 [Test]
 315                 [ExpectedException (typeof (ArgumentException))]
 316                 [Category ("NotWorking")]
 317                 public void mapped_UserLevelPerRoaming_no_execonfig ()
 318                 {
 319                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 320                         map.RoamingUserConfigFilename = "roaminguser";
 321
 322                         ConfigurationManager.OpenMappedExeConfiguration (map, ConfigurationUserLevel.PerUserRoaming);
 323                 }
 324
 325                 [Test]
 326                 public void mapped_UserLevelPerRoamingAndLocal ()
 327                 {
 328                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 329                         map.ExeConfigFilename = "execonfig";
 330                         map.RoamingUserConfigFilename = "roaminguser";
 331                         map.LocalUserConfigFilename = "localuser";
 332
 333                         SysConfig config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.PerUserRoamingAndLocal);
 334                         Console.WriteLine("mapped local user config path: {0}", config.FilePath);
 335
 336                         FileInfo fi = new FileInfo (config.FilePath);
 337                         Assert.AreEqual ("localuser", fi.Name);
 338                 }
 339
 340                 [Test]
 341                 [ExpectedException (typeof (ArgumentException))]
 342                 [Category ("NotWorking")]
 343                 public void mapped_UserLevelPerRoamingAndLocal_no_execonfig ()
 344                 {
 345                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 346                         map.RoamingUserConfigFilename = "roaminguser";
 347                         map.LocalUserConfigFilename = "localuser";
 348
 349                         ConfigurationManager.OpenMappedExeConfiguration (map, ConfigurationUserLevel.PerUserRoamingAndLocal);
 350                 }
 351
 352                 [Test]
 353                 [ExpectedException (typeof (ArgumentException))]
 354                 [Category ("NotWorking")]
 355                 public void mapped_UserLevelPerRoamingAndLocal_no_roaminguser ()
 356                 {
 357                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 358                         map.ExeConfigFilename = "execonfig";
 359                         map.LocalUserConfigFilename = "localuser";
 360
 361                         ConfigurationManager.OpenMappedExeConfiguration (map, ConfigurationUserLevel.PerUserRoamingAndLocal);
 362                 }
 363
 364                 [Test]
 365                 public void MachineConfig ()
 366                 {
 367                         SysConfig config = ConfigurationManager.OpenMachineConfiguration ();
 368                         Console.WriteLine("machine config path: {0}", config.FilePath);
 369
 370                         FileInfo fi = new FileInfo (config.FilePath);
 371                         Assert.AreEqual ("machine.config", fi.Name);
 372                 }
 373
 374                 [Test]
 375                 public void mapped_MachineConfig ()
 376                 {
 377                         ConfigurationFileMap map = new ConfigurationFileMap ();
 378                         map.MachineConfigFilename = "machineconfig";
 379
 380                         SysConfig config = ConfigurationManager.OpenMappedMachineConfiguration (map);
 381                         Console.WriteLine("mapped machine config path: {0}", config.FilePath);
 382
 383                         FileInfo fi = new FileInfo (config.FilePath);
 384                         Assert.AreEqual ("machineconfig", fi.Name);
 385                 }
 386
 387                 [Test]
 388                 public void exePath_UserLevelNone_null ()
 389                 {
 390 #if false
 391                         SysConfig config = ConfigurationManager.OpenExeConfiguration (null);
 392                         Console.WriteLine("null exe application config path: {0}", config.FilePath);
 393
 394                         FileInfo fi = new FileInfo (config.FilePath);
 395                         Assert.AreEqual (TestUtil.ThisConfigFileName, fi.Name);
 396 #endif
 397                 }
 398
 399                 [Test]
 400                 [Category ("NotWorking")]
 401                 public void mapped_ExeConfiguration_null ()
 402                 {
 403                         SysConfig config = ConfigurationManager.OpenMappedExeConfiguration(null, ConfigurationUserLevel.None);
 404                         Console.WriteLine("null mapped application config path: {0}", config.FilePath);
 405
 406                         FileInfo fi = new FileInfo (config.FilePath);
 407                         Assert.AreEqual (TestUtil.ThisConfigFileName, fi.Name);
 408                 }
 409
 410                 [Test]
 411                 [Category ("NotWorking")]
 412                 public void mapped_MachineConfig_null ()
 413                 {
 414                         SysConfig config = ConfigurationManager.OpenMappedMachineConfiguration (null);
 415                         Console.WriteLine("null mapped machine config path: {0}", config.FilePath);
 416
 417                         FileInfo fi = new FileInfo (config.FilePath);
 418                         Assert.AreEqual ("machine.config", fi.Name);
 419                 }
 420
 421                 [Test]
 422                 public void GetSectionReturnsNativeObject ()
 423                 {
 424                         Assert.IsTrue (ConfigurationManager.GetSection ("appSettings") is NameValueCollection);
 425                 }
 426
 427                 [Test] // test for bug #78372.
 428                 public void OpenMachineConfiguration ()
 429                 {
 430                         SysConfig cfg = ConfigurationManager.OpenMachineConfiguration ();
 431                         Assert.IsTrue (cfg.Sections.Count > 0, "#1");
 432                         ConfigurationSection s = cfg.SectionGroups ["system.net"].Sections ["connectionManagement"];
 433                         Assert.IsNotNull (s, "#2");
 434                         Assert.IsTrue (s is ConnectionManagementSection, "#3");
 435                 }
 436
 437                 [Test]
 438                 public void SectionCollectionEnumerator ()
 439                 {
 440                         SysConfig c = ConfigurationManager.OpenExeConfiguration (ConfigurationUserLevel.None);
 441                         ConfigurationSectionCollection col =
 442                                 c.GetSectionGroup ("system.web").Sections;
 443                         IEnumerator e = col.GetEnumerator ();
 444                         e.MoveNext ();
 445                         Assert.IsTrue (e.Current is ConfigurationSection);
 446                 }
 447
 448                 [Test]  // Test for bug #3412
 449                 [Category("NotWorking")]
 450                 public void TestAddRemoveSection()
 451                 {
 452                         const string name = "testsection";
 453                         var config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
 454
 455                         // ensure not present
 456                         if (config.Sections.Get(name) != null)
 457                         {
 458                                 config.Sections.Remove(name);
 459                         }
 460
 461                         // add
 462                         config.Sections.Add(name, new TestSection());
 463
 464                         // remove
 465                         var section = config.Sections.Get(name);
 466                         Assert.IsNotNull(section);
 467                         Assert.IsNotNull(section as TestSection);
 468                         config.Sections.Remove(name);
 469
 470                         // add
 471                         config.Sections.Add(name, new TestSection());
 472
 473                         // remove
 474                         section = config.Sections.Get(name);
 475                         Assert.IsNotNull(section);
 476                         Assert.IsNotNull(section as TestSection);
 477                         config.Sections.Remove(name);
 478                 }
 479
 480                 [Test]
 481                 public void TestFileMap ()
 482                 {
 483                         var name = Path.GetRandomFileName () + ".config";
 484                         Assert.IsFalse (File.Exists (name));
 485
 486                         try {
 487                                 var map = new ExeConfigurationFileMap ();
 488                                 map.ExeConfigFilename = name;
 489
 490                                 var config = ConfigurationManager.OpenMappedExeConfiguration (
 491                                         map, ConfigurationUserLevel.None);
 492
 493                                 config.Sections.Add ("testsection", new TestSection ());
 494
 495                                 config.Save ();
 496
 497                                 Assert.IsTrue (File.Exists (name), "#1");
 498                                 Assert.IsTrue (File.Exists (Path.GetFullPath (name)), "#2");
 499                         } finally {
 500                                 File.Delete (name);
 501                         }
 502                 }
 503
 504                 [Test]
 505                 public void TestContext ()
 506                 {
 507                         var config = ConfigurationManager.OpenExeConfiguration (ConfigurationUserLevel.None);
 508                         const string name = "testsection";
 509
 510                         // ensure not present
 511                         if (config.GetSection (name) != null)
 512                                 config.Sections.Remove (name);
 513
 514                         var section = new TestContextSection ();
 515
 516                         // Can't access EvaluationContext ....
 517                         try {
 518                                 section.TestContext (null);
 519                                 Assert.Fail ("#1");
 520                         } catch (ConfigurationException) {
 521                                 ;
 522                         }
 523
 524                         // ... until it's been added to a section.
 525                         config.Sections.Add (name, section);
 526                         section.TestContext ("#2");
 527
 528                         // Remove ...
 529                         config.Sections.Remove (name);
 530
 531                         // ... and it doesn't lose its context
 532                         section.TestContext (null);
 533                 }
 534
 535                 [Test]
 536                 public void TestContext2 ()
 537                 {
 538                         var name = Path.GetRandomFileName () + ".config";
 539                         Assert.IsFalse (File.Exists (name));
 540
 541                         try {
 542                                 var map = new ExeConfigurationFileMap ();
 543                                 map.ExeConfigFilename = name;
 544
 545                                 var config = ConfigurationManager.OpenMappedExeConfiguration (
 546                                         map, ConfigurationUserLevel.None);
 547
 548                                 config.Sections.Add ("testsection", new TestSection ());
 549                                 config.Sections.Add ("testcontext", new TestContextSection ());
 550
 551                                 config.Save ();
 552
 553                                 Assert.IsTrue (File.Exists (name), "#1");
 554                         } finally {
 555                                 File.Delete (name);
 556                         }
 557                 }
 558
 559
 560                 class TestSection : ConfigurationSection  {}
 561
 562                 class RemoteConfig : MarshalByRefObject
 563                 {
 564                         public static RemoteConfig GetInstance (AppDomain domain)
 565                         {
 566                                 RemoteConfig config = (RemoteConfig) domain.CreateInstanceAndUnwrap (
 567                                         typeof (RemoteConfig).Assembly.FullName,
 568                                         typeof (RemoteConfig).FullName, new object [0]);
 569                                 return config;
 570                         }
 571
 572                         public string GetFilePath (string exePath)
 573                         {
 574                                 global::System.Configuration.Configuration config =
 575                                         ConfigurationManager.OpenExeConfiguration (exePath);
 576                                 return config.FilePath;
 577                         }
 578
 579                         public string GetFilePath (ConfigurationUserLevel userLevel)
 580                         {
 581                                 global::System.Configuration.Configuration config =
 582                                         ConfigurationManager.OpenExeConfiguration (userLevel);
 583                                 return config.FilePath;
 584                         }
 585
 586                         public string GetSettingValue (string exePath, string key)
 587                         {
 588                                 global::System.Configuration.Configuration config =
 589                                         ConfigurationManager.OpenExeConfiguration (exePath);
 590                                 return config.AppSettings.Settings [key].Value;
 591                         }
 592
 593                         public string GetSettingValue (ConfigurationUserLevel userLevel, string key)
 594                         {
 595                                 global::System.Configuration.Configuration config =
 596                                         ConfigurationManager.OpenExeConfiguration (userLevel);
 597                                 KeyValueConfigurationElement value = config.AppSettings.Settings [key];
 598                                 return value != null ? value.Value : null;
 599                         }
 600
 601                         public string GetSettingValue (string key)
 602                         {
 603                                 return ConfigurationManager.AppSettings [key];
 604                         }
 605                 }
 606
 607                 class TestContextSection : ConfigurationSection {
 608                         public void TestContext (string label)
 609                         {
 610                                 Assert.That (EvaluationContext != null, label);
 611                         }
 612                 }
 613
 614
 615                 [Test]
 616                 public void TestConnectionStringRetrieval ()
 617                 {
 618                         var currentAssembly = Assembly.GetExecutingAssembly().Location;
 619                         Assert.IsTrue (File.Exists (currentAssembly + ".config"),
 620                                        String.Format ("This test cannot succeed without the .config file being in the same place as the assembly ({0})",
 621                                                       currentAssembly));
 622
 623                         var connStringObj = ConfigurationManager.ConnectionStrings ["test-connstring"];
 624                         Assert.IsNotNull (connStringObj);
 625                         var connString = connStringObj.ConnectionString;
 626                         Assert.IsFalse (String.IsNullOrEmpty (connString));
 627                         Assert.AreEqual ("Server=(local);Initial Catalog=someDb;User Id=someUser;Password=somePassword;Application Name=someAppName;Min Pool Size=5;Max Pool Size=500;Connect Timeout=10;Connection Lifetime=29;",
 628                                          connString);
 629                 }
 630
 631                 [Test]
 632                 public void BadConfig ()
 633                 {
 634                         string xml = @" badXml";
 635
 636                         var file = Path.Combine (tempFolder, "badConfig.config");
 637                         File.WriteAllText (file, xml);
 638
 639                         try {
 640                                 var fileMap = new ConfigurationFileMap (file);
 641                                 var configuration = ConfigurationManager.OpenMappedMachineConfiguration (fileMap);
 642                                 Assert.Fail ("Exception ConfigurationErrorsException was expected.");
 643                         } catch (ConfigurationErrorsException e) {
 644                                 Assert.AreEqual (file, e.Filename);
 645                         }
 646
 647                 }
 648         }
 649 }