public void SelfDiagnosticsConfigRefresher_CaptureAsConfigured()
{
try
{
CreateConfigFile();
using var configRefresher = new SelfDiagnosticsConfigRefresher();
// Emitting event of EventLevel.Error
OpenTelemetrySdkEventSource.Log.SpanProcessorException("Event string sample", "Exception string sample");
int bufferSize = 512;
byte[] actualBytes = ReadFile(bufferSize);
string logText = Encoding.UTF8.GetString(actualBytes);
Assert.StartsWith(MessageOnNewFileString, logText);
// The event was captured
string logLine = logText.Substring(MessageOnNewFileString.Length);
string logMessage = ParseLogMessage(logLine);
string expectedMessage = "Unknown error in SpanProcessor event '{0}': '{1}'.{Event string sample}{Exception string sample}";
Assert.StartsWith(expectedMessage, logMessage);
}
finally
{
CleanupConfigFile();
}
}
public void SelfDiagnosticsConfigRefresher_OmitAsConfigured()
{
try
{
CreateConfigFile();
using var configRefresher = new SelfDiagnosticsConfigRefresher();
// Emitting event of EventLevel.Warning
OpenTelemetrySdkEventSource.Log.SpanProcessorQueueIsExhausted();
int bufferSize = 512;
byte[] actualBytes = ReadFile(bufferSize);
string logText = Encoding.UTF8.GetString(actualBytes);
this.output.WriteLine(logText); // for debugging in case the test fails
Assert.StartsWith(MessageOnNewFileString, logText);
// The event was omitted
Assert.Equal('\0', (char)actualBytes[MessageOnNewFile.Length]);
}
finally
{
CleanupConfigFile();
}
}
