public TemporaryNLogLogger(string filePath)
{
_originalNlogConfig = LogManager.Configuration;
_originalTimeSource = TimeSource.Current;
var fileTarget = new FileTarget();
fileTarget.DeleteOldFileOnStartup = true;
fileTarget.FileName = filePath;
var config = new LoggingConfiguration();
config.AddTarget("file", fileTarget);
config.LoggingRules.Add(new LoggingRule("*", LogLevel.Debug, fileTarget));
LogManager.Configuration = config;
TimeSource.Current = new StaticNlogTimeSource();
}
void TestTimeSource(TimeSource source, DateTime expected, DateTimeKind kind)
{
Assert.IsType(typeof(FastLocalTimeSource), TimeSource.Current);
TimeSource.Current = source;
Assert.Same(source, TimeSource.Current);
var evt = new LogEventInfo(LogLevel.Info, "logger", "msg");
Assert.Equal(kind, evt.TimeStamp.Kind);
Assert.True((expected - evt.TimeStamp).Duration() < TimeSpan.FromSeconds(5));
Assert.True((source.Time - source.FromSystemTime(DateTime.UtcNow)).Duration() < TimeSpan.FromSeconds(5));
LogEventInfo evt2;
do
{
evt2 = new LogEventInfo(LogLevel.Info, "logger", "msg");
} while (evt.TimeStamp == evt2.TimeStamp);
Assert.Equal(kind, evt2.TimeStamp.Kind);
Assert.True(evt2.TimeStamp > evt.TimeStamp);
Assert.True(evt2.TimeStamp - evt.TimeStamp <= TimeSpan.FromSeconds(1));
}
void TestTimeSource(TimeSource source, DateTime expected, DateTimeKind kind)
{
Assert.IsInstanceOfType(typeof(FastLocalTimeSource), TimeSource.Current);
TimeSource.Current = source;
Assert.AreSame(source, TimeSource.Current);
var evt = new LogEventInfo(LogLevel.Info, "logger", "msg");
Assert.AreEqual(kind, evt.TimeStamp.Kind);
Assert.IsTrue(expected.AddSeconds(-5) < evt.TimeStamp && evt.TimeStamp < expected.AddSeconds(5));
LogEventInfo evt2;
do
{
evt2 = new LogEventInfo(LogLevel.Info, "logger", "msg");
} while (evt.TimeStamp == evt2.TimeStamp);
Assert.AreEqual(kind, evt2.TimeStamp.Kind);
Assert.IsTrue(evt2.TimeStamp > evt.TimeStamp);
Assert.IsTrue(evt2.TimeStamp - evt.TimeStamp <= TimeSpan.FromSeconds(1));
}
