public void PathCatcherTests()
{
var logger = DefaultActivityLogger.Create();
// Binds the TestHelper.Logger logger to this one.
logger.Output.RegisterMuxClient(TestHelper.Logger.Output.ExternalInput);
ActivityLoggerPathCatcher p = new ActivityLoggerPathCatcher();
logger.Output.RegisterMuxClient(p);
logger.Trace("Trace n°1");
Assert.That(p.DynamicPath.Select(e => e.Level.ToString() + '|' + e.Text).Single(), Is.EqualTo("Trace|Trace n°1"));
Assert.That(p.LastErrorPath, Is.Null);
Assert.That(p.LastWarnOrErrorPath, Is.Null);
logger.Trace("Trace n°2");
Assert.That(p.DynamicPath.Select(e => e.Level.ToString() + '|' + e.Text).Single(), Is.EqualTo("Trace|Trace n°2"));
Assert.That(p.LastErrorPath, Is.Null);
Assert.That(p.LastWarnOrErrorPath, Is.Null);
logger.Warn("W1");
Assert.That(p.DynamicPath.Select(e => e.Level.ToString() + '|' + e.Text).Single(), Is.EqualTo("Warn|W1"));
Assert.That(p.LastErrorPath, Is.Null);
Assert.That(p.LastWarnOrErrorPath.Select(e => e.Level.ToString() + '|' + e.Text).Single(), Is.EqualTo("Warn|W1"));
logger.Error("E2");
logger.Warn("W1bis");
Assert.That(p.DynamicPath.Select(e => e.Level.ToString() + '|' + e.Text).Single(), Is.EqualTo("Warn|W1bis"));
Assert.That(p.LastErrorPath.Select(e => e.Level.ToString() + '|' + e.Text).Single(), Is.EqualTo("Error|E2"));
Assert.That(p.LastWarnOrErrorPath.Select(e => e.Level.ToString() + '|' + e.Text).Single(), Is.EqualTo("Warn|W1bis"));
p.ClearLastWarnPath();
Assert.That(p.LastErrorPath, Is.Not.Null);
Assert.That(p.LastWarnOrErrorPath, Is.Null);
p.ClearLastErrorPath();
Assert.That(p.LastErrorPath, Is.Null);
using (logger.OpenGroup(LogLevel.Trace, "G1"))
{
using (logger.OpenGroup(LogLevel.Info, "G2"))
{
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("G1>G2"));
Assert.That(p.LastErrorPath, Is.Null);
using (logger.OpenGroup(LogLevel.Trace, "G3"))
{
using (logger.OpenGroup(LogLevel.Info, "G4"))
{
logger.Warn("W1");
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("G1>G2>G3>G4>W1"));
logger.Info(
new Exception("An exception logged as an Info.",
new Exception("With an inner exception. Since these exceptions have not been thrown, there is no stack trace.")),
"Test With an exception: a Group is created. Since the text of the log is given, the Exception.Message must be displayed explicitely.");
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("G1>G2>G3>G4>Test With an exception: a Group is created. Since the text of the log is given, the Exception.Message must be displayed explicitely."));
try
{
try
{
try
{
try
{
throw new Exception("Deepest excpetion.");
}
catch (Exception ex)
{
throw new Exception("Yet another inner with inner Exception.", ex);
}
}
catch (Exception ex)
{
throw new Exception("Exception with inner Exception.", ex);
}
}
catch (Exception ex)
{
throw new Exception("Log without log text: the text of the entry is the Exception.Message.", ex);
}
}
catch (Exception ex)
{
logger.Trace(ex);
}
Assert.That(p.LastErrorPath, Is.Null);
Assert.That(String.Join(">", p.LastWarnOrErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Info|G2>Trace|G3>Info|G4>Warn|W1"));
}
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("G1>G2>G3>G4"));
Assert.That(p.LastErrorPath, Is.Null);
Assert.That(String.Join(">", p.LastWarnOrErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Info|G2>Trace|G3>Info|G4>Warn|W1"));
logger.Error("E1");
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("G1>G2>G3>E1"));
Assert.That(String.Join(">", p.LastErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Info|G2>Trace|G3>Error|E1"));
Assert.That(String.Join(">", p.LastWarnOrErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Info|G2>Trace|G3>Error|E1"));
}
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("G1>G2>G3"));
Assert.That(String.Join(">", p.LastErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Info|G2>Trace|G3>Error|E1"));
Assert.That(String.Join(">", p.LastWarnOrErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Info|G2>Trace|G3>Error|E1"));
}
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("G1>G2"));
using (logger.OpenGroup(LogLevel.Trace, "G2Bis"))
{
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("G1>G2Bis"));
Assert.That(String.Join(">", p.LastErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Info|G2>Trace|G3>Error|E1"));
Assert.That(String.Join(">", p.LastWarnOrErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Info|G2>Trace|G3>Error|E1"));
logger.Warn("W2");
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("G1>G2Bis>W2"));
Assert.That(String.Join(">", p.LastWarnOrErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Trace|G2Bis>Warn|W2"));
Assert.That(String.Join(">", p.LastErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Info|G2>Trace|G3>Error|E1"));
}
logger.Fatal("F1");
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("G1>F1"));
Assert.That(String.Join(">", p.LastWarnOrErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Fatal|F1"));
Assert.That(String.Join(">", p.LastErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Fatal|F1"));
}
// Extraneous closing are ignored.
logger.CloseGroup(null);
logger.Warn("W3");
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("W3"));
Assert.That(String.Join(">", p.LastWarnOrErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Warn|W3"));
Assert.That(String.Join(">", p.LastErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Fatal|F1"));
// Extraneous closing are ignored.
logger.CloseGroup(null);
logger.Warn("W4");
Assert.That(String.Join(">", p.DynamicPath.Select(e => e.Text)), Is.EqualTo("W4"));
Assert.That(String.Join(">", p.LastWarnOrErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Warn|W4"));
Assert.That(String.Join(">", p.LastErrorPath.Select(e => e.Level.ToString() + '|' + e.Text)), Is.EqualTo("Trace|G1>Fatal|F1"));
p.ClearLastWarnPath(true);
Assert.That(p.LastErrorPath, Is.Null);
Assert.That(p.LastWarnOrErrorPath, Is.Null);
}
