public void OverwritingExistingWatchedFileCausesOnlyOneCallback()
{
if (File.Exists("Different.Test"))
{
File.Delete("Different.Test");
}
using (FileStream differentFile = new FileStream("Different.Test", FileMode.CreateNew))
{
differentFile.Close();
}
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"Different.Test", "MySection"))
{
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.SetPollDelayInMilliseconds(100);
watcher.StartWatching();
Thread.Sleep(100);
ChangeFile("Different.Test");
Thread.Sleep(250);
}
File.Delete("Different.Test");
Assert.AreEqual(1, configurationChangeCounter);
}
public void ChangesToNewlyCreatedWatchedFileDoCauseCallback()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"Different.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
Thread.Sleep(100);
using (FileStream differentFile = File.Create("Different.Test"))
{
differentFile.Close();
}
Thread.Sleep(150);
ChangeFile("Different.Test");
Thread.Sleep(250);
}
File.Delete("Different.Test");
Assert.AreEqual(1, configurationChangeCounter);
}
public void ChangesToNewlyCreatedWatchedFileDoCauseCallback()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"Different.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
Thread.Sleep(100);
using (FileStream differentFile = File.Create("Different.Test"))
{
differentFile.Close();
}
Thread.Sleep(150);
ChangeFile("Different.Test");
Thread.Sleep(250);
}
File.Delete("Different.Test");
Assert.AreEqual(1, configurationChangeCounter);
}
public void NotifiesNothingIfNoOneListeningAndFileChanges()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@".\MyFile.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.StartWatching();
File.SetLastWriteTime("MyFile.test", DateTime.Now + TimeSpan.FromHours(1.0));
Thread.Sleep(250);
}
}
public void NoCallbackWillHappenOnFileDelete()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"MyFile.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
File.Delete("MyFile.Test");
Thread.Sleep(250);
}
Assert.AreEqual(0, configurationChangeCounter);
}
public void WillStopNotifyingAfterObjectIsDisposed()
{
ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher("MyFile.Test", "MySection");
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
Thread.Sleep(100);
watcher.Dispose();
File.SetLastWriteTime("MyFile.Test", DateTime.Now + TimeSpan.FromHours(1.0));
Thread.Sleep(250);
Assert.AreEqual(0, configurationChangeCounter);
}
public void NoCallbackWillHappenAfterLastEventHandlerIsRemoved()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"MyFile.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(DifferentFileChangedCallback);
watcher.StartWatching();
watcher.ConfigurationChanged -= new ConfigurationChangedEventHandler(DifferentFileChangedCallback);
File.SetLastWriteTime("MyFile.test", DateTime.Now + TimeSpan.FromHours(1.0));
Thread.Sleep(250);
}
Assert.AreEqual(0, configurationChangeCounter);
}
public void StopsNotifyingHandlersWhenAnyHandlerThrowsException()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"MyFile.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(ExceptionThrowingCallback);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
Thread.Sleep(100);
File.SetLastWriteTime("MyFile.test", DateTime.Now + TimeSpan.FromHours(1.0));
Thread.Sleep(250);
}
Assert.AreEqual(1, configurationChangeCounter);
}
public void NotifiesMultipleListenersIfFileChanges()
{
string fullyQualifiedPath = Path.GetFullPath("MyFile.Test");
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(fullyQualifiedPath, "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
Thread.Sleep(100);
File.SetLastWriteTime("MyFile.test", DateTime.Now + TimeSpan.FromHours(1.0));
Thread.Sleep(250);
}
Assert.AreEqual(2, configurationChangeCounter);
}
public void NotificationsDoNotAccumulateWhileCallbacksAreHappening()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"MyFile.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(300);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
Thread.Sleep(100);
ChangeFile("MyFile.test");
Thread.Sleep(50);
ChangeFile("MyFile.test");
Thread.Sleep(450);
}
Assert.AreEqual(1, configurationChangeCounter);
}
public void CreatingNewWatchedFileDoesNotCauseCallback()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"Different.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
using (FileStream differentFile = new FileStream("Different.Test", FileMode.Create))
{
Thread.Sleep(50);
differentFile.Close();
Thread.Sleep(250);
}
}
File.Delete("Different.Test");
Assert.AreEqual(0, configurationChangeCounter);
}
public void CreatingNewWatchedFileDoesNotCauseCallback()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"Different.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
using (FileStream differentFile = new FileStream("Different.Test", FileMode.Create))
{
Thread.Sleep(50);
differentFile.Close();
Thread.Sleep(250);
}
}
File.Delete("Different.Test");
Assert.AreEqual(0, configurationChangeCounter);
}
public void WillStopNotifyingAfterObjectIsDisposed()
{
ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher("MyFile.Test", "MySection");
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
Thread.Sleep(100);
watcher.Dispose();
File.SetLastWriteTime("MyFile.Test", DateTime.Now + TimeSpan.FromHours(1.0));
Thread.Sleep(250);
Assert.AreEqual(0, configurationChangeCounter);
}
public void StopsNotifyingHandlersWhenAnyHandlerThrowsException()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"MyFile.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(ExceptionThrowingCallback);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
Thread.Sleep(100);
File.SetLastWriteTime("MyFile.test", DateTime.Now + TimeSpan.FromHours(1.0));
Thread.Sleep(250);
}
Assert.AreEqual(1, configurationChangeCounter);
}
public void OverwritingExistingWatchedFileCausesOnlyOneCallback()
{
if (File.Exists("Different.Test"))
{
File.Delete("Different.Test");
}
using (FileStream differentFile = new FileStream("Different.Test", FileMode.CreateNew))
{
differentFile.Close();
}
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"Different.Test", "MySection"))
{
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.SetPollDelayInMilliseconds(100);
watcher.StartWatching();
Thread.Sleep(100);
ChangeFile("Different.Test");
Thread.Sleep(250);
}
File.Delete("Different.Test");
Assert.AreEqual(1, configurationChangeCounter);
}
public void NotifiesSingleListenerIfFileChanges()
{
string fullyQualifiedPath = Path.GetFullPath("MyFile.Test");
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"MyFile.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
Thread.Sleep(100);
File.SetLastWriteTime("MyFile.test", DateTime.Now + TimeSpan.FromHours(1.0));
Thread.Sleep(250);
}
Assert.AreEqual(1, configurationChangeCounter);
Assert.AreEqual("MySection", storedEventArgs.SectionName);
Assert.AreEqual(fullyQualifiedPath.ToLower(), storedEventArgs.ConfigurationFile.ToLower());
}
public void NotifiesNothingIfNoOneListeningAndFileChanges()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@".\MyFile.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.StartWatching();
File.SetLastWriteTime("MyFile.test", DateTime.Now + TimeSpan.FromHours(1.0));
Thread.Sleep(250);
}
}
public void NotificationsDoNotAccumulateWhileCallbacksAreHappening()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"MyFile.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(300);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
Thread.Sleep(100);
ChangeFile("MyFile.test");
Thread.Sleep(50);
ChangeFile("MyFile.test");
Thread.Sleep(450);
}
Assert.AreEqual(1, configurationChangeCounter);
}
public void NoCallbackWillHappenAfterLastEventHandlerIsRemoved()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"MyFile.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(DifferentFileChangedCallback);
watcher.StartWatching();
watcher.ConfigurationChanged -= new ConfigurationChangedEventHandler(DifferentFileChangedCallback);
File.SetLastWriteTime("MyFile.test", DateTime.Now + TimeSpan.FromHours(1.0));
Thread.Sleep(250);
}
Assert.AreEqual(0, configurationChangeCounter);
}
public void NoCallbackWillHappenOnFileDelete()
{
using (ConfigurationChangeFileWatcher watcher = new ConfigurationChangeFileWatcher(@"MyFile.Test", "MySection"))
{
watcher.SetPollDelayInMilliseconds(100);
watcher.ConfigurationChanged += new ConfigurationChangedEventHandler(FileChanged);
watcher.StartWatching();
File.Delete("MyFile.Test");
Thread.Sleep(250);
}
Assert.AreEqual(0, configurationChangeCounter);
}
