public void TextWriterEventListener()
{
string text;
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new TextWriterEventListener(Events.Log, writer, DateTime.UtcNow, warningNumber => WarningState.AsWarning, EventLevel.Warning))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
// should be captured
log.AlwaysEvent("Cookie 1 ");
log.CriticalEvent("Cookie 2 ");
log.ErrorEvent("Cookie 3 ");
log.WarningEvent("Cookie 4 ");
// shouldn't be captured
log.InfoEvent("Cookie 5 ");
log.VerboseEvent("Cookie 6 ");
}
text = writer.ToString();
}
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 1 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 2 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 3 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 4 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 5 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 6 .*"));
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new TextWriterEventListener(Events.Log, writer, DateTime.UtcNow, warningNumber => WarningState.AsWarning))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
// should be captured
log.AlwaysEvent("Cookie 11 ");
log.CriticalEvent("Cookie 12 ");
log.ErrorEvent("Cookie 13 ");
log.WarningEvent("Cookie 14 ");
log.InfoEvent("Cookie 15 ");
log.VerboseEvent("Cookie 16 ");
}
text = writer.ToString();
}
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 11 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 12 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 13 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 14 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 15 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 16 .*"));
}
public void TestMessageLabels()
{
string text;
string alwaysEventLabel = "message";
string criticalEventLabel = "critical";
string errorEventLabel = "error";
string warningEventLabel = "warning";
string suppressedWarningEventLabel = "NoWarn";
string infoEventLabel = "info";
string verboseEventLabel = "verbose";
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new TextWriterEventListener(Events.Log, writer, DateTime.UtcNow, warningNumber => WarningState.AsWarning))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
log.AlwaysEvent("Cookie 1");
log.CriticalEvent("Cookie 2");
log.ErrorEvent("Cookie 3");
log.WarningEvent("Cookie 4");
log.InfoEvent("Cookie 5");
log.VerboseEvent("Cookie 6");
}
text = writer.ToString();
}
XAssert.IsTrue(Regex.IsMatch(text, $"^{alwaysEventLabel} DX{(int)EventId.AlwaysEvent:D4}: Cookie 1\\r?$", RegexOptions.Multiline));
XAssert.IsTrue(Regex.IsMatch(text, $"^{criticalEventLabel} DX{(int)EventId.CriticalEvent:D4}: Cookie 2\\r?$", RegexOptions.Multiline));
XAssert.IsTrue(Regex.IsMatch(text, $"^{errorEventLabel} DX{(int)EventId.ErrorEvent:D4}: Cookie 3\\r?$", RegexOptions.Multiline));
XAssert.IsTrue(Regex.IsMatch(text, $"^{warningEventLabel} DX{(int)EventId.WarningEvent:D4}: Cookie 4\\r?$", RegexOptions.Multiline));
XAssert.IsTrue(Regex.IsMatch(text, $"^{infoEventLabel} DX{(int)EventId.InfoEvent:D4}: Cookie 5\\r?$", RegexOptions.Multiline));
XAssert.IsTrue(Regex.IsMatch(text, $"^{verboseEventLabel} DX{(int)EventId.VerboseEvent:D4}: Cookie 6\\r?$", RegexOptions.Multiline));
// suppress the warning message (similar to passing /noWarn:10002 (EventId.WarningEvent))
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new TextWriterEventListener(Events.Log, writer, DateTime.UtcNow, warningNumber => WarningState.Suppressed))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
// although we are suppressing the warning, it still should be captured (suppression only applies to console output and err/wrn files)
// however, this time a different label should be used
log.WarningEvent("Cookie 4");
}
text = writer.ToString();
}
XAssert.IsTrue(Regex.IsMatch(text, $"^{suppressedWarningEventLabel} DX{(int)EventId.WarningEvent:D4}: Cookie 4\\r?$", RegexOptions.Multiline));
}
public void TrackingEventListener()
{
const int NumVerbose = 9;
const int NumInfo = 8;
const int NumWarning = 7;
const int NumError = 6;
const int NumCritical = 5;
const int NumAlways = 4;
using (var listener = new TrackingEventListener(Events.Log))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
for (int i = 0; i < NumVerbose; i++)
{
log.VerboseEvent("1");
}
for (int i = 0; i < NumInfo; i++)
{
log.InfoEvent("1");
}
for (int i = 0; i < NumWarning; i++)
{
log.WarningEvent("1");
}
for (int i = 0; i < NumError; i++)
{
log.ErrorEvent("1");
}
for (int i = 0; i < NumCritical; i++)
{
log.CriticalEvent("1");
}
for (int i = 0; i < NumAlways; i++)
{
log.AlwaysEvent("1");
}
XAssert.AreEqual(listener.VerboseCount, NumVerbose);
XAssert.AreEqual(listener.InformationalCount, NumInfo);
XAssert.AreEqual(listener.WarningCount, NumWarning);
XAssert.AreEqual(listener.TotalErrorCount, NumError + NumCritical);
XAssert.AreEqual(listener.CriticalCount, NumCritical);
XAssert.AreEqual(listener.AlwaysCount, NumAlways);
XAssert.IsTrue(listener.HasFailures);
XAssert.IsTrue(listener.HasFailuresOrWarnings);
}
using (var listener = new TrackingEventListener(Events.Log))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
XAssert.IsFalse(listener.HasFailures);
XAssert.IsFalse(listener.HasFailuresOrWarnings);
log.WarningEvent("1");
XAssert.IsFalse(listener.HasFailures);
XAssert.IsTrue(listener.HasFailuresOrWarnings);
log.ErrorEvent("1");
XAssert.IsTrue(listener.HasFailures);
XAssert.IsTrue(listener.HasFailuresOrWarnings);
}
using (var listener = new TrackingEventListener(Events.Log))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
log.CriticalEvent("1");
XAssert.IsTrue(listener.HasFailures);
XAssert.IsTrue(listener.HasFailuresOrWarnings);
}
using (var listener = new TrackingEventListener(Events.Log, warningMapper: _ => WarningState.AsError))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
log.WarningEvent("1");
XAssert.AreEqual(1, listener.TotalErrorCount);
XAssert.IsTrue(listener.HasFailures);
XAssert.IsTrue(listener.HasFailuresOrWarnings);
}
}
public void ErrorAndWarningListener()
{
string text;
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new ErrorAndWarningEventListener(Events.Log, writer, DateTime.UtcNow, true, false, warningNumber => WarningState.AsWarning))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
// should be captured
log.CriticalEvent("Cookie 1 ");
log.ErrorEvent("Cookie 2 ");
// shouldn't be captured
log.WarningEvent("Cookie 3 ");
log.AlwaysEvent("Cookie 4 ");
log.InfoEvent("Cookie 5 ");
log.VerboseEvent("Cookie 6 ");
}
text = writer.ToString();
}
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 1 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 2 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 3 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 4 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 5 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 6 .*"));
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new ErrorAndWarningEventListener(Events.Log, writer, DateTime.UtcNow, false, true, warningNumber => WarningState.AsWarning))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
// should be captured
log.WarningEvent("Cookie 3 ");
// shouldn't be captured
log.CriticalEvent("Cookie 1 ");
log.ErrorEvent("Cookie 2 ");
log.AlwaysEvent("Cookie 4 ");
log.InfoEvent("Cookie 5 ");
log.VerboseEvent("Cookie 6 ");
}
text = writer.ToString();
}
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 1 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 2 .*"));
XAssert.IsTrue(Regex.IsMatch(text, ".*Cookie 3 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 4 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 5 .*"));
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 6 .*"));
// repeat the same tests, but now suppress the warning message (i.e., emulate /noWarn:10002 (EventId.WarningEvent))
// WarningMapper applies only to warning-level events, so we can check only that one
// since the warning is being suppressed, nothing should be captured
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new ErrorAndWarningEventListener(Events.Log, writer, DateTime.UtcNow, true, false, warningNumber => WarningState.Suppressed))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
log.WarningEvent("Cookie 3 ");
}
text = writer.ToString();
}
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 3 .*"));
using (var writer = new StringWriter(CultureInfo.InvariantCulture))
{
using (var listener = new ErrorAndWarningEventListener(Events.Log, writer, DateTime.UtcNow, false, true, warningNumber => WarningState.Suppressed))
{
listener.RegisterEventSource(TestEvents.Log);
TestEvents log = TestEvents.Log;
log.WarningEvent("Cookie 3 ");
}
text = writer.ToString();
}
XAssert.IsFalse(Regex.IsMatch(text, ".*Cookie 3 .*"));
}