Format() public method

Formats data within the event and writes the formatted data out to the provided writer instance
public Format ( TextWriter writer, log4net.Core.LoggingEvent logEvent ) : void
writer System.IO.TextWriter writer to output the formatted data to
logEvent log4net.Core.LoggingEvent logging event data to use
return void
SyslogLayout Class Documentation
Example #1
0
        public void TestFormat()
        {
            SyslogLayout layout = new SyslogLayout();
            layout.StructuredDataPrefix = "TEST@12345";
            layout.ActivateOptions();

            var exception = new Exception("test exception message");
            ILoggerRepository logRepository = Substitute.For<ILoggerRepository>();
            var evt = new LoggingEvent(typeof(SyslogLayoutTests), logRepository, "test logger", Level.Debug, "test message", exception);

            StringWriter writer = new StringWriter();

            layout.Format(writer, evt);

            string result = writer.ToString();

            // it's hard to test the whole message, because it depends on your machine name, process id, time & date, etc.
            // just test the message's invariant portions
            Assert.IsTrue(result.StartsWith("<135>1 "));
            Assert.IsTrue(result.Contains("[TEST@12345 EventSeverity=\"DEBUG\" ExceptionType=\"System.Exception\" ExceptionMessage=\"test exception message\"]"));
            Assert.IsTrue(result.EndsWith("test message" + Environment.NewLine));
        }
Example #2
0
        public void TestThatWeTruncateLongMessages()
        {
            SyslogLayout layout = new SyslogLayout();
            layout.StructuredDataPrefix = "TEST@12345";
            layout.ActivateOptions();

            StringBuilder longMessage = new StringBuilder();
            for (int i = 0; i < 2048; i++)
            {
                longMessage.Append("test message");
            }

            var exception = new ArgumentNullException();
            ILoggerRepository logRepository = Substitute.For<ILoggerRepository>();
            var evt = new LoggingEvent(typeof(SyslogLayoutTests), logRepository, "test logger", Level.Debug, longMessage.ToString(), exception);

            StringWriter writer = new StringWriter();

            layout.Format(writer, evt);

            string result = writer.ToString();

            Assert.AreEqual(2048, result.Length);
        }