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 name = TestUtil.ThisApplicationPath;
 261                         SysConfig config = ConfigurationManager.OpenExeConfiguration (name);
 262                         Assert.AreEqual (TestUtil.ThisApplicationPath + ".config", config.FilePath);
 263                 }
 264
 265                 [Test]
 266                 public void exePath_UserLevelPerRoaming ()
 267                 {
 268                         SysConfig config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.PerUserRoaming);
 269                         string filePath = config.FilePath;
 270                         string applicationData = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
 271                         Assert.IsTrue (filePath.StartsWith (applicationData), "#1:" + filePath);
 272                         Assert.AreEqual ("user.config", Path.GetFileName (filePath), "#2:" + filePath);
 273                 }
 274
 275                 [Test]
 276                 public void exePath_UserLevelPerRoamingAndLocal ()
 277                 {
 278                         SysConfig config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.PerUserRoamingAndLocal);
 279                         string filePath = config.FilePath;
 280                         string applicationData = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
 281                         Assert.IsTrue (filePath.StartsWith (applicationData), "#1:" + filePath);
 282                         Assert.AreEqual ("user.config", Path.GetFileName (filePath), "#2:" + filePath);
 283                 }
 284
 285                 [Test]
 286                 public void mapped_UserLevelNone ()
 287                 {
 288                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 289                         map.ExeConfigFilename = "execonfig";
 290
 291                         SysConfig config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);
 292                         Console.WriteLine("mapped application config path: {0}", config.FilePath);
 293
 294                         FileInfo fi = new FileInfo (config.FilePath);
 295                         Assert.AreEqual ("execonfig", fi.Name);
 296
 297                 }
 298
 299                 [Test]
 300                 public void mapped_UserLevelPerRoaming ()
 301                 {
 302                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 303                         map.ExeConfigFilename = "execonfig";
 304                         map.RoamingUserConfigFilename = "roaminguser";
 305
 306                         SysConfig config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.PerUserRoaming);
 307                         Console.WriteLine("mapped roaming user config path: {0}", config.FilePath);
 308
 309                         FileInfo fi = new FileInfo (config.FilePath);
 310                         Assert.AreEqual ("roaminguser", fi.Name);
 311                 }
 312
 313                 [Test]
 314                 [ExpectedException (typeof (ArgumentException))]
 315                 [Category ("NotWorking")]
 316                 public void mapped_UserLevelPerRoaming_no_execonfig ()
 317                 {
 318                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 319                         map.RoamingUserConfigFilename = "roaminguser";
 320
 321                         ConfigurationManager.OpenMappedExeConfiguration (map, ConfigurationUserLevel.PerUserRoaming);
 322                 }
 323
 324                 [Test]
 325                 public void mapped_UserLevelPerRoamingAndLocal ()
 326                 {
 327                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 328                         map.ExeConfigFilename = "execonfig";
 329                         map.RoamingUserConfigFilename = "roaminguser";
 330                         map.LocalUserConfigFilename = "localuser";
 331
 332                         SysConfig config = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.PerUserRoamingAndLocal);
 333                         Console.WriteLine("mapped local user config path: {0}", config.FilePath);
 334
 335                         FileInfo fi = new FileInfo (config.FilePath);
 336                         Assert.AreEqual ("localuser", fi.Name);
 337                 }
 338
 339                 [Test]
 340                 [ExpectedException (typeof (ArgumentException))]
 341                 [Category ("NotWorking")]
 342                 public void mapped_UserLevelPerRoamingAndLocal_no_execonfig ()
 343                 {
 344                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 345                         map.RoamingUserConfigFilename = "roaminguser";
 346                         map.LocalUserConfigFilename = "localuser";
 347
 348                         ConfigurationManager.OpenMappedExeConfiguration (map, ConfigurationUserLevel.PerUserRoamingAndLocal);
 349                 }
 350
 351                 [Test]
 352                 [ExpectedException (typeof (ArgumentException))]
 353                 [Category ("NotWorking")]
 354                 public void mapped_UserLevelPerRoamingAndLocal_no_roaminguser ()
 355                 {
 356                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
 357                         map.ExeConfigFilename = "execonfig";
 358                         map.LocalUserConfigFilename = "localuser";
 359
 360                         ConfigurationManager.OpenMappedExeConfiguration (map, ConfigurationUserLevel.PerUserRoamingAndLocal);
 361                 }
 362
 363                 [Test]
 364                 public void MachineConfig ()
 365                 {
 366                         SysConfig config = ConfigurationManager.OpenMachineConfiguration ();
 367                         Console.WriteLine("machine config path: {0}", config.FilePath);
 368
 369                         FileInfo fi = new FileInfo (config.FilePath);
 370                         Assert.AreEqual ("machine.config", fi.Name);
 371                 }
 372
 373                 [Test]
 374                 public void mapped_MachineConfig ()
 375                 {
 376                         ConfigurationFileMap map = new ConfigurationFileMap ();
 377                         map.MachineConfigFilename = "machineconfig";
 378
 379                         SysConfig config = ConfigurationManager.OpenMappedMachineConfiguration (map);
 380                         Console.WriteLine("mapped machine config path: {0}", config.FilePath);
 381
 382                         FileInfo fi = new FileInfo (config.FilePath);
 383                         Assert.AreEqual ("machineconfig", fi.Name);
 384                 }
 385
 386                 [Test]
 387                 public void exePath_UserLevelNone_null ()
 388                 {
 389 #if false
 390                         SysConfig config = ConfigurationManager.OpenExeConfiguration (null);
 391                         Console.WriteLine("null exe application config path: {0}", config.FilePath);
 392
 393                         FileInfo fi = new FileInfo (config.FilePath);
 394                         Assert.AreEqual (TestUtil.ThisConfigFileName, fi.Name);
 395 #endif
 396                 }
 397
 398                 [Test]
 399                 [Category ("NotWorking")]
 400                 public void mapped_ExeConfiguration_null ()
 401                 {
 402                         SysConfig config = ConfigurationManager.OpenMappedExeConfiguration(null, ConfigurationUserLevel.None);
 403                         Console.WriteLine("null mapped application config path: {0}", config.FilePath);
 404
 405                         FileInfo fi = new FileInfo (config.FilePath);
 406                         Assert.AreEqual (TestUtil.ThisConfigFileName, fi.Name);
 407                 }
 408
 409                 [Test]
 410                 [Category ("NotWorking")]
 411                 public void mapped_MachineConfig_null ()
 412                 {
 413                         SysConfig config = ConfigurationManager.OpenMappedMachineConfiguration (null);
 414                         Console.WriteLine("null mapped machine config path: {0}", config.FilePath);
 415
 416                         FileInfo fi = new FileInfo (config.FilePath);
 417                         Assert.AreEqual ("machine.config", fi.Name);
 418                 }
 419
 420                 [Test]
 421                 public void GetSectionReturnsNativeObject ()
 422                 {
 423                         Assert.IsTrue (ConfigurationManager.GetSection ("appSettings") is NameValueCollection);
 424                 }
 425
 426                 [Test] // test for bug #78372.
 427                 public void OpenMachineConfiguration ()
 428                 {
 429                         SysConfig cfg = ConfigurationManager.OpenMachineConfiguration ();
 430                         Assert.IsTrue (cfg.Sections.Count > 0, "#1");
 431                         ConfigurationSection s = cfg.SectionGroups ["system.net"].Sections ["connectionManagement"];
 432                         Assert.IsNotNull (s, "#2");
 433                         Assert.IsTrue (s is ConnectionManagementSection, "#3");
 434                 }
 435
 436                 [Test]
 437                 public void SectionCollectionEnumerator ()
 438                 {
 439                         SysConfig c = ConfigurationManager.OpenExeConfiguration (ConfigurationUserLevel.None);
 440                         ConfigurationSectionCollection col =
 441                                 c.GetSectionGroup ("system.web").Sections;
 442                         IEnumerator e = col.GetEnumerator ();
 443                         e.MoveNext ();
 444                         Assert.IsTrue (e.Current is ConfigurationSection);
 445                 }
 446
 447                 [Test]  // Test for bug #3412
 448                 [Category("NotWorking")]
 449                 public void TestAddRemoveSection()
 450                 {
 451                         const string name = "testsection";
 452                         var config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
 453
 454                         // ensure not present
 455                         if (config.Sections.Get(name) != null)
 456                         {
 457                                 config.Sections.Remove(name);
 458                         }
 459
 460                         // add
 461                         config.Sections.Add(name, new TestSection());
 462
 463                         // remove
 464                         var section = config.Sections.Get(name);
 465                         Assert.IsNotNull(section);
 466                         Assert.IsNotNull(section as TestSection);
 467                         config.Sections.Remove(name);
 468
 469                         // add
 470                         config.Sections.Add(name, new TestSection());
 471
 472                         // remove
 473                         section = config.Sections.Get(name);
 474                         Assert.IsNotNull(section);
 475                         Assert.IsNotNull(section as TestSection);
 476                         config.Sections.Remove(name);
 477                 }
 478
 479                 [Test]
 480                 public void TestFileMap ()
 481                 {
 482                         var name = Path.GetRandomFileName () + ".config";
 483                         Assert.IsFalse (File.Exists (name));
 484
 485                         try {
 486                                 var map = new ExeConfigurationFileMap ();
 487                                 map.ExeConfigFilename = name;
 488
 489                                 var config = ConfigurationManager.OpenMappedExeConfiguration (
 490                                         map, ConfigurationUserLevel.None);
 491
 492                                 config.Sections.Add ("testsection", new TestSection ());
 493
 494                                 config.Save ();
 495
 496                                 Assert.IsTrue (File.Exists (name), "#1");
 497                                 Assert.IsTrue (File.Exists (Path.GetFullPath (name)), "#2");
 498                         } finally {
 499                                 File.Delete (name);
 500                         }
 501                 }
 502
 503                 [Test]
 504                 public void TestContext ()
 505                 {
 506                         var config = ConfigurationManager.OpenExeConfiguration (ConfigurationUserLevel.None);
 507                         const string name = "testsection";
 508
 509                         // ensure not present
 510                         if (config.GetSection (name) != null)
 511                                 config.Sections.Remove (name);
 512
 513                         var section = new TestContextSection ();
 514
 515                         // Can't access EvaluationContext ....
 516                         try {
 517                                 section.TestContext (null);
 518                                 Assert.Fail ("#1");
 519                         } catch (ConfigurationException) {
 520                                 ;
 521                         }
 522
 523                         // ... until it's been added to a section.
 524                         config.Sections.Add (name, section);
 525                         section.TestContext ("#2");
 526
 527                         // Remove ...
 528                         config.Sections.Remove (name);
 529
 530                         // ... and it doesn't lose its context
 531                         section.TestContext (null);
 532                 }
 533
 534                 [Test]
 535                 public void TestContext2 ()
 536                 {
 537                         var name = Path.GetRandomFileName () + ".config";
 538                         Assert.IsFalse (File.Exists (name));
 539
 540                         try {
 541                                 var map = new ExeConfigurationFileMap ();
 542                                 map.ExeConfigFilename = name;
 543
 544                                 var config = ConfigurationManager.OpenMappedExeConfiguration (
 545                                         map, ConfigurationUserLevel.None);
 546
 547                                 config.Sections.Add ("testsection", new TestSection ());
 548                                 config.Sections.Add ("testcontext", new TestContextSection ());
 549
 550                                 config.Save ();
 551
 552                                 Assert.IsTrue (File.Exists (name), "#1");
 553                         } finally {
 554                                 File.Delete (name);
 555                         }
 556                 }
 557
 558
 559                 class TestSection : ConfigurationSection  {}
 560
 561                 class RemoteConfig : MarshalByRefObject
 562                 {
 563                         public static RemoteConfig GetInstance (AppDomain domain)
 564                         {
 565                                 RemoteConfig config = (RemoteConfig) domain.CreateInstanceAndUnwrap (
 566                                         typeof (RemoteConfig).Assembly.FullName,
 567                                         typeof (RemoteConfig).FullName, new object [0]);
 568                                 return config;
 569                         }
 570
 571                         public string GetFilePath (string exePath)
 572                         {
 573                                 global::System.Configuration.Configuration config =
 574                                         ConfigurationManager.OpenExeConfiguration (exePath);
 575                                 return config.FilePath;
 576                         }
 577
 578                         public string GetFilePath (ConfigurationUserLevel userLevel)
 579                         {
 580                                 global::System.Configuration.Configuration config =
 581                                         ConfigurationManager.OpenExeConfiguration (userLevel);
 582                                 return config.FilePath;
 583                         }
 584
 585                         public string GetSettingValue (string exePath, string key)
 586                         {
 587                                 global::System.Configuration.Configuration config =
 588                                         ConfigurationManager.OpenExeConfiguration (exePath);
 589                                 return config.AppSettings.Settings [key].Value;
 590                         }
 591
 592                         public string GetSettingValue (ConfigurationUserLevel userLevel, string key)
 593                         {
 594                                 global::System.Configuration.Configuration config =
 595                                         ConfigurationManager.OpenExeConfiguration (userLevel);
 596                                 KeyValueConfigurationElement value = config.AppSettings.Settings [key];
 597                                 return value != null ? value.Value : null;
 598                         }
 599
 600                         public string GetSettingValue (string key)
 601                         {
 602                                 return ConfigurationManager.AppSettings [key];
 603                         }
 604                 }
 605
 606                 class TestContextSection : ConfigurationSection {
 607                         public void TestContext (string label)
 608                         {
 609                                 Assert.That (EvaluationContext != null, label);
 610                         }
 611                 }
 612
 613
 614                 [Test]
 615                 public void TestConnectionStringRetrieval ()
 616                 {
 617                         var connStringObj = ConfigurationManager.ConnectionStrings ["test-connstring"];
 618                         Assert.IsNotNull (connStringObj);
 619                         var connString = connStringObj.ConnectionString;
 620                         Assert.IsFalse (String.IsNullOrEmpty (connString));
 621                         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;",
 622                                          connString);
 623                 }
 624
 625                 [Test]
 626                 public void BadConfig ()
 627                 {
 628                         string xml = @" badXml";
 629
 630                         var file = Path.Combine (tempFolder, "badConfig.config");
 631                         File.WriteAllText (file, xml);
 632
 633                         try {
 634                                 var fileMap = new ConfigurationFileMap (file);
 635                                 var configuration = ConfigurationManager.OpenMappedMachineConfiguration (fileMap);
 636                                 Assert.Fail ("Exception ConfigurationErrorsException was expected.");
 637                         } catch (ConfigurationErrorsException e) {
 638                                 Assert.AreEqual (file, e.Filename);
 639                         }
 640
 641                 }
 642         }
 643 }