public static void LogWrite___Should_create_LogItem___When_logging_real_object_subject_via_lambda_without_comment()
{
// Arrange
var logWriter = BuildAndConfigureMemoryLogWriter();
var subject = new TestObjectWithToStringForItsLog();
// Act
Log.Write(() => subject);
Thread.Sleep(TimeSpan.FromMilliseconds(200));
// Assert
var logItem = logWriter.LoggedItems.Single(_ => _.Subject.Summary.Contains(subject.ToString()));
var actualSubject = logItem.Subject.DeserializeSubject <TestObjectWithToStringForItsLog>();
logItem.Subject.Summary.Should().Be(subject.ToString());
actualSubject.ToString().Should().Be(subject.ToString());
logItem.Kind.Should().Be(LogItemKind.Object);
logItem.Comment.Should().BeNull();
logItem.Context.Should().NotBeNull();
logItem.Context.StackTrace.Should().BeNull();
logItem.Context.Origin.Should().Be(LogItemOrigin.ItsLogEntryPosted.ToString());
logItem.Context.CallingMethod.Should().NotBeNullOrWhiteSpace();
logItem.Context.CallingType.Should().NotBeNull();
logItem.Context.MachineName.Should().NotBeNullOrWhiteSpace();
logItem.Context.ProcessFileVersion.Should().NotBeNullOrWhiteSpace();
logItem.Context.ProcessName.Should().NotBeNullOrWhiteSpace();
logItem.Context.TimestampUtc.Should().BeOnOrBefore(DateTime.UtcNow);
logItem.Correlations.Should().BeEmpty();
}
public static void Log_Enter_Activity_Trace___Records_details_correctly___With_exception_and_comment()
{
// Arrange
var logWriter = BuildAndConfigureMemoryLogWriter();
var enterSubject = new TestObjectWithToStringForItsLog();
var stringTraceWithoutLambda = "some trace without a lambda" + A.Dummy <string>();
var stringTraceWithLambda = "some trace with a lambda" + A.Dummy <string>();
var traceObjectWithLambda = new DifferentTestObjectWithToStringForItsLog();
var exceptionToThrow = new InvalidOperationException("Oh no.");
// Act
using (var log = Log.Enter(() => enterSubject))
{
try
{
throw exceptionToThrow;
}
catch (Exception exception)
{
log.Trace(() => exception);
}
log.Trace(stringTraceWithoutLambda);
log.Trace(() => stringTraceWithLambda);
log.Trace(() => traceObjectWithLambda);
}
// Assert
logWriter.LoggedItems.ToList().ForEach(_ => _.Correlations.Single(c => c is ElapsedCorrelation).Should().NotBeNull());
logWriter.LoggedItems.ToList().ForEach(_ => _.Correlations.Single(c => c is SubjectCorrelation).Should().NotBeNull());
logWriter.LoggedItems.Select(_ => _.Correlations.Single(c => c is ElapsedCorrelation).CorrelationId).Count().Should()
.Be(logWriter.LoggedItems.Count);
logWriter.LoggedItems.Select(_ => _.Correlations.Single(c => c is SubjectCorrelation).CorrelationId).Count().Should()
.Be(logWriter.LoggedItems.Count);
logWriter.LoggedItems.ToList().ForEach(
_ => ((SubjectCorrelation)_.Correlations.Single(c => c is SubjectCorrelation)).Subject
.DeserializeSubject <TestObjectWithToStringForItsLog>().Test.Should().Be(enterSubject.Test));
var enterItem = logWriter.LoggedItems.Single(_ => _.Correlations.Any(c => c is OrderCorrelation oc && oc.Position == 0));
enterItem.Subject.DeserializeSubject <string>().Should().Be(UsingBlockLogger.InitialItemOfUsingBlockSubject);
var enterCorrelation = (ElapsedCorrelation)enterItem.Correlations.Single(_ => _ is ElapsedCorrelation);
enterCorrelation.ElapsedTime.TotalMilliseconds.Should().Be(0);
var middleItems = logWriter.LoggedItems.Where(
_ => new[] { exceptionToThrow.Message, stringTraceWithLambda, stringTraceWithoutLambda, traceObjectWithLambda.ToString() }.Any(
a => _.Subject.Summary.EndsWith(a, StringComparison.CurrentCulture))).ToList();
middleItems.ForEach(_ =>
{
_.Correlations.Any(c => c is OrderCorrelation oc && oc.Position == 1).Should().BeTrue();
var middleCorrelation = (ElapsedCorrelation)_.Correlations.Single(s => s is ElapsedCorrelation);
middleCorrelation.ElapsedTime.TotalMilliseconds.Should().BeGreaterThan(0);
});
var exitItem = logWriter.LoggedItems.Single(_ => _.Correlations.Any(c => c is OrderCorrelation oc && oc.Position == 2));
exitItem.Subject.DeserializeSubject <string>().Should().Be(UsingBlockLogger.FinalItemOfUsingBlockSubject);
var exitCorrelation = (ElapsedCorrelation)exitItem.Correlations.Single(_ => _ is ElapsedCorrelation);
exitCorrelation.ElapsedTime.TotalMilliseconds.Should().BeGreaterThan(0);
}
