Cleanup log level handling.

Especially one rogue change causing all subsequent test to have NHibernate.SQL logger enabled.

Author: fredericDelaporte

src/NHibernate.Test/Async/NHSpecificTest/Logs/LogsFixture.cs

@@ -72,6 +72,7 @@ public class TextLogSpy : IDisposable
 			private readonly TextWriterAppender appender;
 			private readonly Logger loggerImpl;
 			private readonly StringBuilder stringBuilder;
+			private readonly Level previousLevel;
 
 			public TextLogSpy(string loggerName, string pattern)
 			{
@@ -84,6 +85,7 @@ public TextLogSpy(string loggerName, string pattern)
 				};
 				loggerImpl = (Logger)LogManager.GetLogger(typeof(LogsFixtureAsync).Assembly, loggerName).Logger;
 				loggerImpl.AddAppender(appender);
+				previousLevel = loggerImpl.Level;
 				loggerImpl.Level = Level.All;
 			}
 
@@ -98,9 +100,10 @@ public string[] Events
 			public void Dispose()
 			{
 				loggerImpl.RemoveAppender(appender);
+				loggerImpl.Level = previousLevel;
 			}
 		}
 	}
 
 
-}
+}

src/NHibernate.Test/NHSpecificTest/Logs/LogsFixture.cs

@@ -61,6 +61,7 @@ public class TextLogSpy : IDisposable
 			private readonly TextWriterAppender appender;
 			private readonly Logger loggerImpl;
 			private readonly StringBuilder stringBuilder;
+			private readonly Level previousLevel;
 
 			public TextLogSpy(string loggerName, string pattern)
 			{
@@ -73,6 +74,7 @@ public TextLogSpy(string loggerName, string pattern)
 				};
 				loggerImpl = (Logger)LogManager.GetLogger(typeof(LogsFixture).Assembly, loggerName).Logger;
 				loggerImpl.AddAppender(appender);
+				previousLevel = loggerImpl.Level;
 				loggerImpl.Level = Level.All;
 			}
 
@@ -87,9 +89,10 @@ public string[] Events
 			public void Dispose()
 			{
 				loggerImpl.RemoveAppender(appender);
+				loggerImpl.Level = previousLevel;
 			}
 		}
 	}
 
 
-}
+}

src/NHibernate.Test/SystemTransactions/ResourceManagerFixture.cs

@@ -684,7 +684,6 @@ void Clone_TransactionCompleted(object sender, TransactionEventArgs e)
 		[OneTimeSetUp]
 		public void TestFixtureSetUp()
 		{
-			((Logger)_log.Logger).Level = log4net.Core.Level.Info;
 			_spy = new LogSpy(_log);
 			_spy.Appender.Layout = new PatternLayout("%d{ABSOLUTE} [%t] - %m%n");
 		}