public void AsyncProxy_LogEntriesAreWrittenToSinks()
{
LogConfiguration configuration = new LogConfiguration();
AsyncProxy asyncProxy = new AsyncProxy();
ManualResetEvent stoppedEvent = new ManualResetEvent(false);
TestSink sink = new TestSink(stoppedEvent);
asyncProxy.Sinks.Add(sink);
configuration.Sinks.Add(asyncProxy);
using (LogKernel kernel = new LogKernel(configuration))
{
ILogger logger = kernel.GetLogger();
logger.Write(LogLevel.Information, "A message");
// Wait for the entry to be written.
if (!stoppedEvent.WaitOne(TimeSpan.FromSeconds(3)))
{
throw new TimeoutException("Timed out while waiting for entries to be written to sink.");
}
// Assert that the entry was written to the sink.
Assert.IsNotNull(sink.Entry);
Assert.AreEqual("A message", sink.Entry.Message);
Assert.AreEqual(1, sink.WrittenEntries);
}
}
private string Render(string format, LogLevel level)
{
LogKernel kernel = new LogKernel(new LogConfiguration());
ILogger logger = kernel.GetLogger();
FormatPatternFactory factory = new FormatPatternFactory();
FormatPattern pattern = factory.Create(format);
ILogEntry entry = new LogEntry(DateTimeOffset.Now, level, "The log message.", logger, null);
return pattern.Render(entry);
}
public void FormatPattern_RenderEscapedRenderer()
{
LogKernel kernel = new LogKernel(new LogConfiguration());
ILogger logger = kernel.GetLogger();
FormatPatternFactory factory = new FormatPatternFactory();
FormatPattern pattern = factory.Create("$$(time(format='HH:mm:ss'))");
ILogEntry entry = new LogEntry(DateTime.Now, LogLevel.Information, "The log message.", logger, null);
Assert.AreEqual("$(time(format='HH:mm:ss'))", pattern.Render(entry));
}
public void FormatPatternFactory_BuildPatternWithTransformer()
{
LogKernel kernel = new LogKernel(new LogConfiguration());
ILogger logger = kernel.GetLogger();
FormatPatternFactory factory = new FormatPatternFactory();
FormatPattern pattern = factory.Create("$(uppercase(message()))");
ILogEntry entry = new LogEntry(DateTimeOffset.Now, LogLevel.Information, "The log message.", logger, null);
string rendered = pattern.Render(entry);
Assert.IsNotNullOrEmpty(rendered);
Assert.AreEqual("THE LOG MESSAGE.", rendered);
}
public void FormatPatternFactory_BuildPatternWithNestedTransformers()
{
LogKernel kernel = new LogKernel(new LogConfiguration());
ILogger logger = kernel.GetLogger();
FormatPatternFactory factory = new FormatPatternFactory();
FormatPattern pattern = factory.Create("$(rot13(uppercase(message())))");
ILogEntry entry = new LogEntry(DateTimeOffset.Now, LogLevel.Information, "Hello World!", logger, null);
string rendered = pattern.Render(entry);
Assert.IsNotNullOrEmpty(rendered);
Assert.AreEqual("URYYB JBEYQ!", rendered);
}
public void FormatPatternFactory_BuildComplexPattern()
{
LogKernel kernel = new LogKernel(new LogConfiguration());
ILogger logger = kernel.GetLogger();
FormatPatternFactory factory = new FormatPatternFactory();
FormatPattern pattern = factory.Create("[$(time(format='HH:mm:ss'))] $(uppercase(rot13(message())))");
DateTimeOffset currentTime = DateTimeOffset.Now;
ILogEntry entry = new LogEntry(currentTime, LogLevel.Information, "Hello World!", logger, null);
string rendered = pattern.Render(entry);
string expected = string.Format("[{0:HH:mm:ss}] URYYB JBEYQ!", currentTime);
Assert.IsNotNullOrEmpty(rendered);
Assert.AreEqual(expected, rendered);
}
public void BufferProxy_RemainingMessagesAreFlushedWhenBufferProxyIsDisposed()
{
LogConfiguration configuration = new LogConfiguration();
BufferProxy proxy = new BufferProxy { BufferSize = 3 };
TestSink sink = new TestSink();
proxy.Sinks.Add(sink);
configuration.Sinks.Add(proxy);
LogKernel kernel = new LogKernel(configuration);
ILogger logger = kernel.GetLogger();
Assert.AreEqual(0, sink.MessagesWritten);
logger.Write(LogLevel.Information, "Hello World!");
logger.Write(LogLevel.Information, "Hello World Again!");
Assert.AreEqual(0, sink.MessagesWritten);
configuration.Dispose();
Assert.AreEqual(2, sink.MessagesWritten);
}
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 FormatPattern_RenderLiteralPattern()
{
LogKernel kernel = new LogKernel(new LogConfiguration());
ILogger logger = kernel.GetLogger();
FormatPatternFactory factory = new FormatPatternFactory();
FormatPattern pattern = factory.Create("Hello World!");
ILogEntry entry = new LogEntry(DateTimeOffset.Now, LogLevel.Information, "The log message.", logger, null);
string rendered = pattern.Render(entry);
Assert.IsNotNullOrEmpty(rendered);
Assert.AreEqual("Hello World!", rendered);
}
public void FormatPattern_RenderTimeRenderer()
{
LogKernel kernel = new LogKernel(new LogConfiguration());
ILogger logger = kernel.GetLogger();
FormatPatternFactory factory = new FormatPatternFactory();
FormatPattern pattern = factory.Create("$(time(format='HH:mm:ss'))");
DateTimeOffset currentTime = DateTimeOffset.Now;
ILogEntry entry = new LogEntry(currentTime, LogLevel.Information, "The log message.", logger, null);
string rendered = pattern.Render(entry);
Assert.IsNotNullOrEmpty(rendered);
Assert.AreEqual(currentTime.ToString("HH:mm:ss"), rendered);
}
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]);
}
}