public void InternalLogger_InternalLoggerDoNotWriteToTraceListenersIfDisabled()
{
LogConfiguration configuration = new LogConfiguration();
// Redirect the output from the console to a string writer.
using (StringTraceListenerScope scope = new StringTraceListenerScope())
{
// Write something to the internal log and make sure we did not intercept it.
configuration.InternalLogger.Write(LogLevel.Information, "Hello World");
Assert.AreEqual(0, scope.Listener.Messages.Count);
}
}
public void InternalLogger_InternalLoggerWritesToTraceListeners()
{
LogConfiguration configuration = new LogConfiguration();
configuration.InternalLogger.Enabled = true;
// Redirect the output from the console to a string writer.
using (StringTraceListenerScope scope = new StringTraceListenerScope())
{
// Write something to the internal log and make sure we intercepted it.
configuration.InternalLogger.Write(LogLevel.Information, "Hello World");
Assert.AreEqual(1, scope.Listener.Messages.Count);
Assert.AreEqual("[BLACKBOX] Hello World", scope.Listener.Messages[0]);
}
}
public void LogSinkProxy_UnhandledExceptionsInLogSinkProxyAreHandledAndWrittenToInternalLogWhenWritingMoreThanOneMessage_LogSinkGotNoName()
{
// This test is using the buffer proxy to buffer up messages and
// indirectly use the LogSink.Write(ILogEntry[]) overload on the sink.
LogConfiguration configuration = new LogConfiguration();
configuration.InternalLogger.Enabled = true;
BufferProxy funnelProxy = new BufferProxy() { BufferSize = 0 };
funnelProxy.Sinks.Add(new ThrowSink(() => new InvalidOperationException("Hello World!")));
configuration.Sinks.Add(funnelProxy);
LogKernel kernel = new LogKernel(configuration);
ILogger logger = kernel.GetLogger();
string expected = "[BLACKBOX] An unnamed sink of type 'BlackBox.UnitTests.Tests.LogSinkTests+ThrowSink' threw an exception. Hello World!";
using (StringTraceListenerScope scope = new StringTraceListenerScope())
{
logger.Write(LogLevel.Information, "TestMessage");
Assert.AreEqual(expected, scope.Listener.Messages[0]);
}
}
public void InternalLogger_InternalLoggerRespectsThresholdLevel()
{
LogConfiguration configuration = new LogConfiguration();
configuration.InternalLogger.Enabled = true;
configuration.InternalLogger.Threshold = LogLevel.Information;
// Redirect the output from the console to a string writer.
using (StringTraceListenerScope scope = new StringTraceListenerScope())
{
configuration.InternalLogger.Write(LogLevel.Verbose, "1");
Assert.AreEqual(0, scope.Listener.Messages.Count);
configuration.InternalLogger.Write(LogLevel.Debug, "2");
Assert.AreEqual(0, scope.Listener.Messages.Count);
configuration.InternalLogger.Write(LogLevel.Information, "3");
Assert.AreEqual(1, scope.Listener.Messages.Count);
configuration.InternalLogger.Write(LogLevel.Warning, "4");
Assert.AreEqual(2, scope.Listener.Messages.Count);
configuration.InternalLogger.Write(LogLevel.Error, "5");
Assert.AreEqual(3, scope.Listener.Messages.Count);
configuration.InternalLogger.Write(LogLevel.Fatal, "6");
Assert.AreEqual(4, scope.Listener.Messages.Count);
}
}
public void LogSink_LogSinkCanWriteToInternalLogger()
{
LogConfiguration configuration = new LogConfiguration();
configuration.InternalLogger.Enabled = true;
configuration.Sinks.Add(new TestSink());
LogKernel kernel = new LogKernel(configuration);
ILogger logger = kernel.GetLogger();
using (StringTraceListenerScope scope = new StringTraceListenerScope())
{
Assert.AreEqual(0, scope.Listener.Messages.Count);
logger.Write(LogLevel.Information, "TestMessage");
Assert.AreEqual(1, scope.Listener.Messages.Count);
Assert.AreEqual("TestMessage", scope.Listener.Messages[0]);
}
}
public void LogSink_UnhandledExceptionsInLogSinkAreHandledAndWrittenToInternalLog_LogSinkGotNoName()
{
LogConfiguration configuration = new LogConfiguration();
configuration.InternalLogger.Enabled = true;
configuration.Sinks.Add(new ThrowSink(() => new InvalidOperationException("Hello World!")));
LogKernel kernel = new LogKernel(configuration);
ILogger logger = kernel.GetLogger();
string expected = "[BLACKBOX] An unnamed sink of type 'BlackBox.UnitTests.Tests.LogSinkTests+ThrowSink' threw an exception. Hello World!";
using (StringTraceListenerScope scope = new StringTraceListenerScope())
{
logger.Write(LogLevel.Information, "TestMessage");
Assert.AreEqual(expected, scope.Listener.Messages[0]);
}
}