public void ConfigurationCanFindAndWriteToAnInputWithinAPipeline()
{
var healthReporterMock = new Mock <IHealthReporter>();
var mockOutput = new Mock <IOutput>();
using (var serilogInput = new SerilogInput(healthReporterMock.Object))
using (var pipeline = new DiagnosticPipeline(
healthReporterMock.Object,
new[] { serilogInput },
new IFilter[0],
new[] { new EventSink(mockOutput.Object, new IFilter[0]) }))
{
var logger = new LoggerConfiguration()
.WriteTo.EventFlow(pipeline)
.CreateLogger();
logger.Information("Hello, world!");
}
mockOutput.Verify(output => output.SendEventsAsync(It.Is <IReadOnlyCollection <EventData> >(c => c.Count == 1),
It.IsAny <long>(), It.IsAny <CancellationToken>()), Times.Exactly(1));
}
public void ReportsExceptions()
{
var healthReporterMock = new Mock <IHealthReporter>();
var observer = new Mock <IObserver <EventData> >();
using (var serilogInput = new SerilogInput(healthReporterMock.Object))
using (serilogInput.Subscribe(observer.Object))
{
var logger = new LoggerConfiguration().WriteTo.Sink(serilogInput).CreateLogger();
Exception e = new Exception();
e.Data["ID"] = 23;
string message = "Something bad happened but we do not care that much";
logger.Information(e, message);
observer.Verify(s => s.OnNext(It.Is <EventData>(data =>
data.Payload["Message"].Equals(message) &&
data.Level == LogLevel.Informational &&
(data.Payload["Exception"] as Exception).Data["ID"].Equals(23)
)));
}
}
public void ReportsLevelsProperly()
{
var healthReporterMock = new Mock <IHealthReporter>();
var observer = new Mock <IObserver <EventData> >();
using (var serilogInput = new SerilogInput(healthReporterMock.Object))
using (serilogInput.Subscribe(observer.Object))
{
var logger = new LoggerConfiguration()
.MinimumLevel.Verbose()
.WriteTo.Sink(serilogInput)
.CreateLogger();
logger.Information("Info");
observer.Verify(s => s.OnNext(It.Is <EventData>(data => data.Level == LogLevel.Informational)));
observer.ResetCalls();
logger.Debug("Debug");
observer.Verify(s => s.OnNext(It.Is <EventData>(data => data.Level == LogLevel.Verbose)));
observer.ResetCalls();
logger.Verbose("Verbose");
observer.Verify(s => s.OnNext(It.Is <EventData>(data => data.Level == LogLevel.Verbose)));
observer.ResetCalls();
logger.Warning("Warning");
observer.Verify(s => s.OnNext(It.Is <EventData>(data => data.Level == LogLevel.Warning)));
observer.ResetCalls();
logger.Error("Error");
observer.Verify(s => s.OnNext(It.Is <EventData>(data => data.Level == LogLevel.Error)));
observer.ResetCalls();
logger.Fatal("Fatal");
observer.Verify(s => s.OnNext(It.Is <EventData>(data => data.Level == LogLevel.Critical)));
observer.ResetCalls();
}
}
public void ReportsInformationWithCustomProperties()
{
var healthReporterMock = new Mock <IHealthReporter>();
var observer = new Mock <IObserver <EventData> >();
using (var serilogInput = new SerilogInput(healthReporterMock.Object))
using (serilogInput.Subscribe(observer.Object))
{
var logger = new LoggerConfiguration().WriteTo.Sink(serilogInput).CreateLogger();
// Render the string value without quotes; render the double value with fixed decimal point, 1 digit after decimal point
string message = "{alpha:l}{bravo:f1}{charlie}";
logger.Information(message, "aaa", 75.5, false);
observer.Verify(s => s.OnNext(It.Is <EventData>(data =>
data.Payload["Message"].Equals("aaa75.5" + Boolean.FalseString) &&
data.Level == LogLevel.Informational &&
data.Payload["alpha"].Equals("aaa") &&
data.Payload["bravo"].Equals(75.5) &&
data.Payload["charlie"].Equals(false)
)));
}
}
public void UsesSerilogMaxDestructuringDepth()
{
// Create object structure 5 levels deep
var bravo = new EntityWithChildren()
{
Name = "Bravo"
};
var alpha = new EntityWithChildren("Alpha", new EntityWithChildren[] { bravo });
var healthReporterMock = new Mock <IHealthReporter>();
var observer = new Mock <IObserver <EventData> >();
IDictionary <string, object> spiedPayload = null;
observer.Setup(p => p.OnNext(It.IsAny <EventData>()))
.Callback <EventData>((p) => { spiedPayload = p.Payload; });
SerilogInputConfiguration configuration = new SerilogInputConfiguration()
{
UseSerilogDepthLevel = true
};
using (var serilogInput = new SerilogInput(configuration, healthReporterMock.Object))
using (serilogInput.Subscribe(observer.Object))
{
var logger = new LoggerConfiguration().WriteTo.Sink(serilogInput).Destructure.ToMaximumDepth(2).CreateLogger();
logger.Information("Here is an {@entity}", alpha);
}
// At depth 2 there should be no children (only a null child placeholder)
var e = (IDictionary <string, object>)spiedPayload["entity"];
Assert.Equal("Alpha", e["Name"]);
Assert.Collection((object[])e["Children"], c => Assert.Null(c));
using (var serilogInput = new SerilogInput(configuration, healthReporterMock.Object))
using (serilogInput.Subscribe(observer.Object))
{
var logger = new LoggerConfiguration().WriteTo.Sink(serilogInput).Destructure.ToMaximumDepth(3).CreateLogger();
logger.Information("Here is an {@entity}", alpha);
}
// At depth 3 there should be one child of Alpha, but all its properties should be blank
Assert.Equal("Alpha", ((IDictionary <string, object>)spiedPayload["entity"])["Name"]);
var childrenOfAlpha = ((IDictionary <string, object>)spiedPayload["entity"])["Children"] as object[];
Assert.Single(childrenOfAlpha);
var b = childrenOfAlpha.First() as IDictionary <string, object>;
Assert.True(b.ContainsKey("Name"));
Assert.Null(b["Name"]);
Assert.True(b.ContainsKey("Children"));
Assert.Null(b["Children"]);
using (var serilogInput = new SerilogInput(configuration, healthReporterMock.Object))
using (serilogInput.Subscribe(observer.Object))
{
var logger = new LoggerConfiguration().WriteTo.Sink(serilogInput).Destructure.ToMaximumDepth(4).CreateLogger();
logger.Information("Here is an {@entity}", alpha);
}
// At depth 4 the child of Alpha (Bravo) should have its properties set, "Name" in particular.
Assert.Equal("Alpha", ((IDictionary <string, object>)spiedPayload["entity"])["Name"]);
childrenOfAlpha = ((IDictionary <string, object>)spiedPayload["entity"])["Children"] as object[];
Assert.Single(childrenOfAlpha);
b = childrenOfAlpha.First() as IDictionary <string, object>;
Assert.Equal("Bravo", b["Name"]);
}
