public void TextWriterEventListenerConstructors()
{
// using defaults
using (TextWriterEventListener listener = new TextWriterEventListener())
{
IdentityModelEventSource.Logger.LogLevel = EventLevel.Informational;
listener.EnableEvents(IdentityModelEventSource.Logger, EventLevel.Informational);
IdentityModelEventSource.Logger.WriteWarning("This is a warning!");
listener.DisableEvents(IdentityModelEventSource.Logger);
}
string logText = File.ReadAllText(TextWriterEventListener.DefaultLogFileName);
Assert.Contains("This is a warning!", logText);
File.Delete(TextWriterEventListener.DefaultLogFileName);
// passing custom file path
var filename = Guid.NewGuid().ToString() + ".txt";
using (TextWriterEventListener listener = new TextWriterEventListener(filename))
{
listener.EnableEvents(IdentityModelEventSource.Logger, EventLevel.Informational);
IdentityModelEventSource.Logger.WriteWarning("This is a warning for custom file path!");
listener.DisableEvents(IdentityModelEventSource.Logger);
}
logText = File.ReadAllText(filename);
Assert.Contains("This is a warning for custom file path!", logText);
File.Delete(filename);
// using StreamWriter
filename = Guid.NewGuid().ToString() + ".txt";
Stream fileStream = new FileStream(filename, FileMode.OpenOrCreate, FileAccess.Write);
StreamWriter streamWriter = new StreamWriter(fileStream);
using (TextWriterEventListener listener = new TextWriterEventListener(streamWriter))
{
listener.EnableEvents(IdentityModelEventSource.Logger, EventLevel.Informational);
IdentityModelEventSource.Logger.WriteWarning("This is a warning for streamwriter!");
listener.DisableEvents(IdentityModelEventSource.Logger);
}
streamWriter.Flush();
streamWriter.Dispose();
logText = File.ReadAllText(filename);
Assert.Contains("This is a warning for streamwriter!", logText);
File.Delete(filename);
}
public void TextWriterEventListenerLogging()
{
var filename = Guid.NewGuid().ToString() + ".txt";
var guid1 = Guid.NewGuid().ToString();
var guid2 = Guid.NewGuid().ToString();
var guid3 = Guid.NewGuid().ToString();
IdentityModelEventSource.Logger.LogLevel = EventLevel.Verbose;
using (TextWriterEventListener listener = new TextWriterEventListener(filename))
{
listener.EnableEvents(IdentityModelEventSource.Logger, EventLevel.Informational);
IdentityModelEventSource.Logger.WriteInformation(guid1);
IdentityModelEventSource.Logger.WriteVerbose(guid2);
IdentityModelEventSource.Logger.WriteCritical(guid3);
}
string logText = File.ReadAllText(filename);
Assert.DoesNotContain(guid2, logText);
Assert.Contains(guid1, logText);
Assert.Contains(guid3, logText);
File.Delete(filename);
}
