private static async Task AsyncMethod1(ContextLogger <ContextLoggerTests> contextLogger, Stack <string> lastStates)
{
await Task.Delay(1);
using (contextLogger.BeginScope("b"))
{
lastStates.Count.ShouldBe(1);
lastStates.Pop().ShouldBe("b");
contextLogger.LogTrace("b");
await Task.Delay(1);
using (contextLogger.BeginScope("c"))
{
lastStates.Count.ShouldBe(1);
lastStates.Pop().ShouldBe("c");
contextLogger.LogTrace("c");
await Task.Delay(1);
try
{
using (contextLogger.BeginScope("d"))
{
lastStates.Count.ShouldBe(1);
lastStates.Pop().ShouldBe("d");
await Task.Delay(1);
contextLogger.LogTrace("d");
throw new Exception();
}
}
catch (Exception)
{
}
throw new Exception();
}
}
}
public async Task Should_Add_Lost_Scopes_When_Logging_Exceptions()
{
var lastStates = new Stack <string>();
var disposable = Substitute.For <IDisposable>();
var logger = Substitute.For <ILogger <ContextLoggerTests> >();
logger.BeginScope(Arg.Any <string>()).Returns(ci =>
{
lastStates.Push(ci.ArgAt <string>(0));
return(disposable);
});
var contextLogger = new ContextLogger <ContextLoggerTests>(logger);
contextLogger.LogTrace("x");
using (contextLogger.BeginScope("a"))
{
lastStates.Count.ShouldBe(1);
lastStates.Pop().ShouldBe("a");
contextLogger.LogTrace("a");
try
{
await AsyncMethod1(contextLogger, lastStates);
}
catch (Exception exception)
{
contextLogger.LogTrace("exception");
contextLogger.LogError(new Exception(), "message");
lastStates.Count.ShouldBe(0);
contextLogger.LogError(exception, "message");
lastStates.Count.ShouldBe(2);
lastStates.Pop().ShouldBe("c");
lastStates.Pop().ShouldBe("b");
}
}
}