public void ReadsSegments()
{
var stream = CreateStream("01.01.2012T15:41:23 DEBUG Hello world!\r\n02.01.2012T10:23:03 WARN Bye bye!");
const string lex = @"
start [0-9]{2}[.][0-9]{2}[.][0-9]{4}[T][0-9]{2}[:][0-9]{2}[:][0-9]{2}
end \r\n
%%
{start} BeginSegment();
{end} EndSegment();
<<EOF>> EndSegment();
";
var compiler = new LexCompiler {
Diagnostics = Console.Out
};
var scanners = compiler.Compile(lex, "%%");
Assert.True(scanners.Success);
var taskScheduler = new TestTaskScheduler();
var format = new LexLogFormat {
SegmentsScannerType = scanners.SegmentsScannerType,
Diagnostics = Console.Out,
TaskScheduler = taskScheduler
};
var segments = new List <RecordSegment>();
var subject = new Subject <RecordSegment>();
subject.Subscribe(segments.Add);
format.ReadSegments(subject, stream, CancellationToken.None);
taskScheduler.ExecuteAll();
var segment = segments.FirstOrDefault();
Assert.NotNull(segment);
stream.Position = segment.Offset;
var buffer = new byte[segment.Length];
stream.Read(buffer, 0, buffer.Length);
var str = Encoding.UTF8.GetString(buffer);
Assert.Equal("01.01.2012T15:41:23 DEBUG Hello world!", str);
}
public void DeserializesRecord()
{
const string lex = @"
timestamp [0-9]{2}[.][0-9]{2}[.][0-9]{4}[T][0-9]{2}[:][0-9]{2}[:][0-9]{2}
level TRACE|DEBUG|INFO|WARN|ERROR|FATAL
message [^\r\n]+
%x matched_level
%%
<INITIAL,matched_level> {
{timestamp} { this.Timestamp = TextAsTimestamp(""MM.dd.yyyyTHH:mm:ss""); BEGIN(INITIAL); }
{level} { this.Level = yytext; BEGIN(matched_level); }
}
<matched_level>{message} { this.Message = yytext; BEGIN(INITIAL); }
";
var compiler = new LexCompiler {
Diagnostics = Console.Out
};
var scanners = compiler.Compile("%%", lex);
var taskScheduler = new TestTaskScheduler();
var format = new LexLogFormat {
RecordsScannerType = scanners.RecordsScannerType,
TaskScheduler = taskScheduler
};
var record = format.DeserializeRecord(
new ArraySegment <byte>(Encoding.UTF8.GetBytes("01.01.2012T15:41:23 DEBUG Hello world!\r\n")));
taskScheduler.ExecuteAll();
Assert.Equal(LogLevel.Debug, record.Level);
Assert.Equal(" Hello world!", record.Message);
}