public void FactoryBasedLoggerHandler_LogError_Handles_Concurrent_Calls()
{
var originalLevel = Diagnostics.CassandraTraceSwitch.Level;
try
{
Diagnostics.CassandraTraceSwitch.Level = TraceLevel.Verbose;
var listener = new TestTraceListener();
Trace.Listeners.Add(listener);
var loggerHandler = new Logger.TraceBasedLoggerHandler(typeof(int));
UseAllMethods(loggerHandler);
Trace.Listeners.Remove(listener);
Assert.AreEqual(6, listener.Messages.Count);
var actions = Enumerable
.Repeat(true, 1000)
.Select <bool, Action>((_, index) => () =>
{
loggerHandler.Error(new ArgumentException("Test exception " + index,
new Exception("Test inner exception")));
});
TestHelper.ParallelInvoke(actions);
}
finally
{
Diagnostics.CassandraTraceSwitch.Level = originalLevel;
}
}
public void FactoryBasedLoggerHandler_Methods_Should_Output_To_Trace()
{
var originalLevel = Diagnostics.CassandraTraceSwitch.Level;
Diagnostics.CassandraTraceSwitch.Level = TraceLevel.Verbose;
var listener = new TestTraceListener();
Trace.Listeners.Add(listener);
var loggerHandler = new Logger.TraceBasedLoggerHandler(typeof(int));
UseAllMethods(loggerHandler);
Trace.Listeners.Remove(listener);
Diagnostics.CassandraTraceSwitch.Level = originalLevel;
Assert.AreEqual(6, listener.Messages.Count);
var expectedMessages = new[]
{
"Test exception 1",
"Message 1",
"Message 2 Param1",
"Message 3 Param2",
"Message 4 Param3",
"Message 5 Param4"
};
var messages = listener.Messages.Keys.OrderBy(k => k).Select(k => listener.Messages[k]).ToArray();
for (var i = 0; i < expectedMessages.Length; i++)
{
StringAssert.Contains(expectedMessages[i], messages[i]);
}
}
