public void TestContext()
{
var queue = new Loggers.Queue();
var log = new Log(this);
using (Log.RegisterInstance(
new Instance()
{
Properties = new[]
{
"Environment.MachineName",
"Environment.UserName",
"Environment.UserDomainName",
"Environment.CurrentDirectory",
"Environment.OSVersion",
"Environment.ProcessorCount",
"Environment.SystemRoot"
},
Logger = queue,
Buffer = 0,
Synchronous = true
}
)
)
{
log.Info("test");
var evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Environment.MachineName"], Environment.MachineName);
Assert.AreEqual(evt["Environment.UserName"], Environment.UserName);
Assert.AreEqual(evt["Environment.UserDomainName"], Environment.UserDomainName);
Assert.AreEqual(evt["Environment.CurrentDirectory"], Environment.CurrentDirectory);
Assert.AreEqual(evt["Environment.OSVersion"], Convert.ToString(Environment.OSVersion));
Assert.AreEqual(evt["Environment.ProcessorCount"], Environment.ProcessorCount);
Assert.AreEqual(evt["Environment.SystemRoot"], Environment.GetEnvironmentVariable("SystemRoot"));
}
}
public void TestContext()
{
var queue = new Loggers.Queue();
var log = new Log(this);
using (Log.RegisterInstance(
new Instance()
{
Properties = new[]
{
"Thread.ID",
"Thread.StackTrace"
},
Logger = queue,
Buffer = 0,
Synchronous = true
}
)
)
{
log.Info("test");
var evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Thread.ID"], System.Threading.Thread.CurrentThread.ManagedThreadId);
Assert.IsTrue(((String)evt["Thread.StackTrace"]).Contains("TestContext"));
}
}
public void TestContext ()
{
var queue = new Loggers.Queue();
var log = new Log(this);
using (Log.RegisterInstance(
new Instance()
{
Properties = new[]
{
"StackFrame.File",
"StackFrame.Line",
"StackFrame.Type",
"StackFrame.Method"
},
Logger = queue,
Buffer = 0,
Synchronous = true
}
)
)
{
var frame = new System.Diagnostics.StackFrame(0, true);
log.Info("test");
var evt = queue.Dequeue().Single();
Assert.AreEqual(evt["StackFrame.File"], frame.GetFileName());
Assert.AreEqual(evt["StackFrame.Line"], frame.GetFileLineNumber() + 1);
Assert.AreEqual(evt["StackFrame.Type"], frame.GetMethod().DeclaringType.FullName);
Assert.AreEqual(evt["StackFrame.Method"], frame.GetMethod().Name);
}
}
public void TestTracing()
{
// configure the trace listener
var listener = new NLogEx.TraceListener();
Trace.Listeners.Add(listener);
// configure the logger
var queue = new Loggers.Queue();
using (
Log.RegisterInstance(
new Instance()
{
Properties = new[]
{
"Event.Type",
"Event.Message"
},
Synchronous = true,
Buffer = 0,
Logger = queue
}
)
)
{
Event evt;
// informational event
Trace.TraceInformation("trace info");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Type"], EventType.Info);
Assert.IsTrue(((String)evt["Event.Message"]).Contains("trace info"));
// warning event
Trace.TraceWarning("trace warning");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Type"], EventType.Warning);
Assert.IsTrue(((String)evt["Event.Message"]).Contains("trace warning"));
// error event
Trace.TraceError("trace error");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Type"], EventType.Error);
Assert.IsTrue(((String)evt["Event.Message"]).Contains("trace error"));
}
Trace.Listeners.Remove(listener);
}
public void TestContext()
{
var queue = new Loggers.Queue();
var log = new Log(this);
using (Log.RegisterInstance(
new Instance()
{
Properties = new[]
{
"Process.ID",
"Process.Name",
"Process.StartTime",
"Process.PeakVirtualMemory",
"Process.PeakPagedMemory",
"Process.PeakWorkingSetMemory",
"Process.ProcessorTime",
"Process.PrivilegedProcessorTime",
"Process.UserProcessorTime"
},
Logger = queue,
Buffer = 0,
Synchronous = true
}
)
)
{
log.Info("test");
var evt = queue.Dequeue().Single();
using (var process = System.Diagnostics.Process.GetCurrentProcess())
{
Assert.AreEqual(evt["Process.ID"], process.Id);
Assert.AreEqual(evt["Process.Name"], process.ProcessName);
Assert.AreEqual(evt["Process.StartTime"], process.StartTime);
Assert.IsTrue((Int64)evt["Process.PeakVirtualMemory"] > 0);
Assert.IsTrue((Int64)evt["Process.PeakPagedMemory"] > 0);
Assert.IsTrue((Int64)evt["Process.PeakWorkingSetMemory"] > 0);
Assert.IsTrue((TimeSpan)evt["Process.ProcessorTime"] > TimeSpan.FromTicks(0));
Assert.IsTrue((TimeSpan)evt["Process.PrivilegedProcessorTime"] > TimeSpan.FromTicks(0));
Assert.IsTrue((TimeSpan)evt["Process.UserProcessorTime"] > TimeSpan.FromTicks(0));
}
}
}
public void TestGlobalProperties()
{
// configure the log
var log = new Log(this);
var queue = new Loggers.Queue();
using (
Log.RegisterInstance(
new Instance()
{
Logger = queue,
Synchronous = true,
Buffer = 0,
Properties = new[]
{
"Global.Value",
"Global.Host"
}
}
)
)
{
Event evt;
var globalCurrent = globalValue;
// initial value
log.Info(null);
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Global.Value"], globalValue);
Assert.AreEqual(evt["Global.Value"], ++globalCurrent);
Assert.AreEqual(evt["Global.Host"], Environment.MachineName);
// subsequent
log.Info(null);
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Global.Value"], globalValue);
Assert.AreEqual(evt["Global.Value"], ++globalCurrent);
Assert.AreEqual(evt["Global.Host"], Environment.MachineName);
}
}
public void TestBuffering()
{
var log = new Log(this);
var queue = new Loggers.Queue();
var buffer = 10;
using (
Log.RegisterInstance(
new Instance()
{
Logger = queue,
Synchronous = true,
Buffer = buffer,
Properties = new[]
{
"Event.Timestamp",
"Event.Time",
"Event.Index"
}
}
)
)
{
// manual flush
{
for (Int32 i = 0; i < buffer - 1; i++)
{
log.InfoEx(new { Index = i });
Assert.IsFalse(queue.Dequeue().Any());
}
Log.Flush();
var events = queue.Dequeue().ToList();
Assert.AreEqual(events.Count, buffer - 1);
for (Int32 i = 0; i < buffer - 1; i++)
{
if (i > 0)
{
Assert.IsTrue((Int64)events[i]["Event.Timestamp"] >= (Int64)events[i - 1]["Event.Timestamp"]);
Assert.IsTrue((DateTime)events[i]["Event.Time"] >= (DateTime)events[i - 1]["Event.Time"]);
}
Assert.AreEqual(events[i]["Event.Index"], i);
}
}
// auto flush
{
for (Int32 i = 0; i < buffer - 1; i++)
{
log.InfoEx(new { Index = i });
Assert.IsFalse(queue.Dequeue().Any());
}
log.InfoEx(new { Index = buffer - 1 });
var events = queue.Dequeue().ToList();
Assert.AreEqual(events.Count, buffer);
for (Int32 i = 0; i < buffer; i++)
{
if (i > 0)
{
Assert.IsTrue((Int64)events[i]["Event.Timestamp"] >= (Int64)events[i - 1]["Event.Timestamp"]);
Assert.IsTrue((DateTime)events[i]["Event.Time"] >= (DateTime)events[i - 1]["Event.Time"]);
}
Assert.AreEqual(events[i]["Event.Index"], i);
}
}
}
}
public void TestFiltering()
{
var log = new Log(this);
var queue = new Loggers.Queue();
var instance = new Instance()
{
Logger = queue,
Synchronous = true,
Buffer = 0,
Properties = new[]
{
"Event.Type",
"TestLog.ClassValue",
"Event.EventValue",
"Global.Host"
}
};
// property inclusion
instance.Filter = new Filter()
{
IncludeProps = new[]
{
new Filter.Property("Event.Type", "Error"),
new Filter.Property("Event.Type", "Warning")
}
};
using (Log.RegisterInstance(instance))
{
log.Error("test");
Assert.AreEqual(queue.Dequeue().Count(), 1);
log.Warn("test");
Assert.AreEqual(queue.Dequeue().Count(), 1);
log.Info("test");
Assert.IsFalse(queue.Dequeue().Any());
}
// property exclusion
instance.Filter = new Filter()
{
ExcludeProps = new[]
{
new Filter.Property("Event.Type", "Error"),
new Filter.Property("Event.Type", "Warning")
}
};
using (Log.RegisterInstance(instance))
{
log.Error("test");
Assert.IsFalse(queue.Dequeue().Any());
log.Warn("test");
Assert.IsFalse(queue.Dequeue().Any());
log.Info("test");
Assert.AreEqual(queue.Dequeue().Count(), 1);
}
instance.Filter = new Filter()
{
ExcludeProps = new[]
{
new Filter.Property("Event.Type", "Error"),
new Filter.Property("Event.Type", "Warning")
}
};
using (Log.RegisterInstance(instance))
{
log.Error("test");
Assert.IsFalse(queue.Dequeue().Any());
log.Warn("test");
Assert.IsFalse(queue.Dequeue().Any());
log.Info("test");
Assert.AreEqual(queue.Dequeue().Count(), 1);
}
// property inclusion/exclusion
instance.Filter = new Filter()
{
IncludeProps = new[]
{
new Filter.Property("Event.Type", "Error"),
new Filter.Property("Event.Type", "Warning")
},
ExcludeProps = new[]
{
new Filter.Property("Event.Type", "Warning"),
}
};
using (Log.RegisterInstance(instance))
{
log.Error("test");
Assert.AreEqual(queue.Dequeue().Count(), 1);
log.Warn("test");
Assert.IsFalse(queue.Dequeue().Any());
log.Info("test");
Assert.IsFalse(queue.Dequeue().Any());
}
// source inclusion
instance.Filter = new Filter()
{
IncludeProps = new[]
{
new Filter.Property("Event.Source", GetType().AssemblyQualifiedName),
new Filter.Property("Event.Source", typeof(Int32).AssemblyQualifiedName)
}
};
using (Log.RegisterInstance(instance))
{
log.Info("test");
Assert.AreEqual(queue.Dequeue().Count(), 1);
new Log(typeof(Int32)).Info("test");
Assert.AreEqual(queue.Dequeue().Count(), 1);
new Log(typeof(String)).Info("test");
Assert.IsFalse(queue.Dequeue().Any());
}
// source exclusion
instance.Filter = new Filter()
{
ExcludeProps = new[]
{
new Filter.Property("Event.Source", GetType().AssemblyQualifiedName),
new Filter.Property("Event.Source", typeof(Int32).AssemblyQualifiedName)
}
};
using (Log.RegisterInstance(instance))
{
log.Info("test");
Assert.IsFalse(queue.Dequeue().Any());
new Log(typeof(Int32)).Info("test");
Assert.IsFalse(queue.Dequeue().Any());
new Log(typeof(String)).Info("test");
Assert.AreEqual(queue.Dequeue().Count(), 1);
}
// source inclusion/exclusion
instance.Filter = new Filter()
{
IncludeProps = new[]
{
new Filter.Property("Event.Source", GetType().AssemblyQualifiedName),
new Filter.Property("Event.Source", typeof(Int32).AssemblyQualifiedName)
},
ExcludeProps = new[]
{
new Filter.Property("Event.Source", typeof(Int32).AssemblyQualifiedName)
}
};
using (Log.RegisterInstance(instance))
{
log.Info("test");
Assert.AreEqual(queue.Dequeue().Count(), 1);
new Log(typeof(Int32)).Info("test");
Assert.IsFalse(queue.Dequeue().Any());
new Log(typeof(String)).Info("test");
Assert.IsFalse(queue.Dequeue().Any());
}
// non-event property filter
instance.Filter = new Filter()
{
IncludeProps = new[]
{
new Filter.Property("Event.Message", "test"),
}
};
using (Log.RegisterInstance(instance))
{
log.Error("test");
Assert.AreEqual(queue.Dequeue().Count(), 1);
log.Error("invalid");
Assert.IsFalse(queue.Dequeue().Any());
}
instance.Filter = new Filter()
{
ExcludeProps = new[]
{
new Filter.Property("Event.Message", "test"),
}
};
using (Log.RegisterInstance(instance))
{
log.Error("test");
Assert.IsFalse(queue.Dequeue().Any());
log.Error("invalid");
Assert.AreEqual(queue.Dequeue().Count(), 1);
}
// non-event global property filter
instance.Filter = new Filter()
{
IncludeProps = new[]
{
new Filter.Property("Global.Host", Environment.MachineName),
}
};
using (Log.RegisterInstance(instance))
{
log.Error("test");
Assert.AreEqual(queue.Dequeue().Count(), 1);
}
instance.Filter = new Filter()
{
ExcludeProps = new[]
{
new Filter.Property("Global.Host", Environment.MachineName),
}
};
using (Log.RegisterInstance(instance))
{
log.Error("test");
Assert.IsFalse(queue.Dequeue().Any());
}
}
public void TestEventProperties()
{
// configure the log
var log = new Log(this);
var queue = new Loggers.Queue();
var props = new List<String>()
{
"Event.Type",
"Event.Source",
"Event.Timestamp",
"Event.Time",
"Event.Message",
"Event.Exception",
};
using (
Log.RegisterInstance(
new Instance()
{
Logger = queue,
Synchronous = true,
Buffer = 0,
Properties = props
}
)
)
{
Event evt;
// invalid property
log.Trace("");
evt = queue.Dequeue().Single();
Assert.IsNull(evt[null]);
Assert.IsNull(evt[""]);
Assert.IsNull(evt[" "]);
Assert.IsNull(evt["Invalid"]);
Assert.IsNull(evt["Event.Invalid"]);
// property list
log.Error(new Exception("test"));
evt = queue.Dequeue().Single();
Assert.IsTrue(evt.Names.SequenceEqual(props));
Assert.IsTrue(evt.Properties.Select(p => p.Key).SequenceEqual(props));
Assert.IsTrue(!evt.Values.Any(v => v == null));
Assert.IsTrue(!evt.Properties.Any(p => p.Value == null));
// event type
log.Trace("");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Type"], EventType.Trace);
log.Info("");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["event.type"], EventType.Info);
log.Warn("");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.type"], EventType.Warning);
log.Error("");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["event.Type"], EventType.Error);
// event source
log.Info("");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Source"], GetType());
new Log(typeof(String)).Info("");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Source"], typeof(String));
// event timestamp
Int64 oldStamp = 0;
log.Info("");
evt = queue.Dequeue().Single();
oldStamp = (Int64)evt["Event.Timestamp"];
Assert.IsTrue(oldStamp != 0);
log.Info("");
evt = queue.Dequeue().Single();
Assert.IsTrue((Int64)evt["Event.Timestamp"] > oldStamp);
// event time
DateTime oldTime;
log.Info("");
evt = queue.Dequeue().Single();
oldTime = (DateTime)evt["Event.Time"];
Assert.IsTrue(oldTime > DateTime.UtcNow - TimeSpan.FromMinutes(1));
Assert.IsTrue(oldTime <= DateTime.UtcNow);
log.Info("");
evt = queue.Dequeue().Single();
Assert.IsTrue((DateTime)evt["Event.Time"] >= oldTime);
// event message
log.Info(null);
evt = queue.Dequeue().Single();
Assert.IsNull(evt["Event.Message"]);
log.Info("");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Message"], "");
log.Info(" ");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Message"], " ");
log.Info("test");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Message"], "test");
log.Info("test{0}test{1}test", 0, 1);
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Message"], "test0test1test");
// event exception
log.Trace(null);
evt = queue.Dequeue().Single();
Assert.IsNull(evt["Event.Exception"]);
log.Info(null);
evt = queue.Dequeue().Single();
Assert.IsNull(evt["Event.Exception"]);
log.Warn((Exception)null);
evt = queue.Dequeue().Single();
Assert.IsNull(evt["Event.Exception"]);
log.Error((Exception)null);
evt = queue.Dequeue().Single();
Assert.IsNull(evt["Event.Exception"]);
log.Warn(new Exception("test"));
evt = queue.Dequeue().Single();
Assert.AreEqual(((Exception)evt["Event.Exception"]).Message, "test");
Assert.AreEqual(evt["Event.Message"], "test");
log.Error(new Exception("test"));
evt = queue.Dequeue().Single();
Assert.AreEqual(((Exception)evt["Event.Exception"]).Message, "test");
Assert.AreEqual(evt["Event.Message"], "test");
}
}
public void TestCustomProperties()
{
// configure the log
var log = new Log(this);
var queue = new Loggers.Queue();
using (
Log.RegisterInstance(
new Instance()
{
Logger = queue,
Synchronous = true,
Buffer = 0,
Properties = new[]
{
"Event.Property",
"TestContext.Field",
"TestContext.Property",
"TestContext.Private",
"TestContext.Method",
}
}
)
)
{
Event evt;
// typed properties
log.InfoEx(new TestContext() { Field = null, Property = null });
evt = queue.Dequeue().Single();
Assert.IsNull(evt["TestContext.Field"]);
Assert.IsNull(evt["TestContext.Property"]);
Assert.IsNull(evt["Event.Property"]);
log.InfoEx(new TestContext() { Field = "", Property = "" });
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["TestContext.Field"], "");
Assert.AreEqual(evt["TestContext.Property"], "");
Assert.IsNull(evt["Event.Property"]);
log.InfoEx(new TestContext() { Field = " ", Property = " " });
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["TestContext.Field"], " ");
Assert.AreEqual(evt["TestContext.Property"], " ");
Assert.IsNull(evt["Event.Property"]);
log.InfoEx(new TestContext() { Field = "test field", Property = "test prop" });
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["TestContext.Field"], "test field");
Assert.AreEqual(evt["TestContext.Property"], "test prop");
Assert.IsNull(evt["Event.Property"]);
// anonymous properties (default context)
log.InfoEx(new { Property = (String)null });
evt = queue.Dequeue().Single();
Assert.IsNull(evt["Event.Property"]);
Assert.IsNull(evt["TestContext.Property"]);
log.InfoEx(new { Property = "" });
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Property"], "");
Assert.IsNull(evt["TestContext.Property"]);
log.InfoEx(new { Property = " " });
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Property"], " ");
Assert.IsNull(evt["TestContext.Property"]);
log.InfoEx(new { Property = "test" });
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Property"], "test");
Assert.IsNull(evt["TestContext.Property"]);
// anonymous property (valid context)
log.InfoEx(new { Context = "TestContext", Property = (String)null });
evt = queue.Dequeue().Single();
Assert.IsNull(evt["TestContext.Property"]);
Assert.IsNull(evt["Event.Property"]);
log.InfoEx(new { Context = "TestContext", Property = "" });
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["TestContext.Property"], "");
Assert.IsNull(evt["Event.Property"]);
log.InfoEx(new { Context = "TestContext", Property = " " });
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["TestContext.Property"], " ");
Assert.IsNull(evt["Event.Property"]);
log.InfoEx(new { Context = "TestContext", Property = "test" });
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["TestContext.Property"], "test");
Assert.IsNull(evt["Event.Property"]);
}
}
public void TestConfiguration()
{
var log = new Log(this);
var queue = new Loggers.Queue();
Event evt = null;
// invalid global context
AssertException(() => Log.RegisterContext("Global", new Dictionary<String, Func<Object>>()
{
{ "Host", () => "test" }
}
));
// invalid instance registration
AssertException(() => Log.RegisterInstance(null));
AssertException(() => Log.RegisterInstance(new Instance()));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Buffer = -1,
Logger = new Loggers.Null(),
Properties = new[] { "Event.Type" },
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = null,
Properties = new[] { "Event.Type" },
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = null,
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = new String[0],
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = new[] { (String)null },
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = new[] { "" },
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = new[] { " " },
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = new[] { "invalid" },
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = new[] { "Event.Type" },
Filter = new Filter()
{
IncludeProps = new[] { new Filter.Property(null, "test") },
}
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = new[] { "Event.Type" },
Filter = new Filter()
{
IncludeProps = new[] { new Filter.Property("", "test") },
}
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = new[] { "Event.Type" },
Filter = new Filter()
{
IncludeProps = new[] { new Filter.Property(" ", "test") },
}
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = new[] { "Event.Type" },
Filter = new Filter()
{
ExcludeProps = new[] { new Filter.Property(null, "test") },
}
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = new[] { "Event.Type" },
Filter = new Filter()
{
ExcludeProps = new[] { new Filter.Property("", "test") },
}
}
));
AssertException(() => Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Properties = new[] { "Event.Type" },
Filter = new Filter()
{
ExcludeProps = new[] { new Filter.Property(" ", "test") },
}
}
));
// default instance registration
var instance = new Instance()
{
Logger = queue,
Synchronous = true,
Buffer = 0,
Properties = new[] { "Event.Type" }
};
Log.RegisterInstance(instance);
log.Trace("trace");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Type"], EventType.Trace);
Log.UnregisterInstance(instance);
log.Trace("trace");
Assert.IsFalse(queue.Dequeue().Any());
// disposable instance registration
using (
Log.RegisterInstance(
new Instance()
{
Logger = queue,
Synchronous = true,
Buffer = 0,
Properties = new[] { "Event.Type" }
}
)
)
{
log.Info("info");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["Event.Type"], EventType.Info);
}
log.Info("info");
Assert.IsFalse(queue.Dequeue().Any());
// log source type
Assert.AreEqual(log.SourceType, GetType());
}
public void TestConcurrency()
{
// concurrent events with no log
Parallel.For(0, ParallelIterations,
i =>
{
var log = new Log(this);
log.InfoEx(
new TestContext()
{
Field = "TestContextField",
Property = "TestContextProperty"
},
"TestMessage",
null
);
}
);
// configure the log
Loggers.Queue queue;
using (
Log.RegisterInstance(
new Instance()
{
Logger = queue = new Loggers.Queue(),
Synchronous = true,
Buffer = 0,
Properties = new[]
{
"Event.Type",
"Event.Source",
"Event.Timestamp",
"Event.Time",
"Event.Message",
"Event.Exception",
"TestLog.Property",
"TestContext.Field",
"Global.Host"
}
}
)
)
using (
Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Synchronous = true,
Buffer = 0,
Properties = new[] { "Event.Type" }
}
)
)
{
this.Property = "LogTestProperty";
// concurrent events through private logs
{
var logs = new Log[ParallelIterations];
for (Int32 i = 0; i < logs.Length; i++)
logs[i] = new Log(this);
Parallel.For(0, ParallelIterations,
i =>
{
logs[i].ErrorEx(
new TestContext()
{
Field = "TestContextField",
Property = "TestContextProperty"
},
new Exception("TestMessage")
);
}
);
var events = queue.Dequeue().ToList();
Assert.AreEqual(events.Count, ParallelIterations);
foreach (var evt in events)
{
Assert.AreEqual(evt["Event.Type"], EventType.Error);
Assert.AreEqual(evt["Event.Source"], GetType());
Assert.AreNotEqual(evt["Event.Timestamp"], 0);
Assert.IsNotNull(evt["Event.Time"]);
Assert.AreEqual(evt["Event.Message"], "TestMessage");
Assert.AreEqual(((Exception)evt["Event.Exception"]).Message, "TestMessage");
Assert.AreEqual(evt["TestLog.Property"], "LogTestProperty");
Assert.AreEqual(evt["TestContext.Field"], "TestContextField");
Assert.AreEqual(evt["Global.Host"], Environment.MachineName);
}
}
// concurrent events through a shared log
{
var log = new Log(this);
Parallel.For(0, ParallelIterations,
i =>
{
log.ErrorEx(
new TestContext()
{
Field = "TestContextField",
Property = "TestContextProperty"
},
new Exception("TestMessage")
);
}
);
var events = queue.Dequeue().ToList();
Assert.AreEqual(events.Count, ParallelIterations);
foreach (var evt in events)
{
Assert.AreEqual(evt["Event.Type"], EventType.Error);
Assert.AreEqual(evt["Event.Source"], GetType());
Assert.AreNotEqual(evt["Event.Timestamp"], 0);
Assert.IsNotNull(evt["Event.Time"]);
Assert.AreEqual(evt["Event.Message"], "TestMessage");
Assert.AreEqual(((Exception)evt["Event.Exception"]).Message, "TestMessage");
Assert.AreEqual(evt["TestLog.Property"], "LogTestProperty");
Assert.AreEqual(evt["TestContext.Field"], "TestContextField");
Assert.AreEqual(evt["Global.Host"], Environment.MachineName);
}
}
}
// concurrent events with configuration changes
{
var log = new Log(this);
var queues = new Loggers.Queue[ParallelIterations];
var instances = new Instance[ParallelIterations];
for (Int32 i = 0; i < ParallelIterations; i++)
instances[i] = new Instance()
{
Logger = queues[i] = new Loggers.Queue(),
Buffer = 0,
Synchronous = true,
Properties = new[] { "Event.Type" }
};
Parallel.For(0, ParallelIterations,
i =>
{
using (
Log.RegisterInstance(
new Instance()
{
Logger = new Loggers.Null(),
Buffer = i % 10,
Synchronous = true,
Properties = new[] { "Event.Type" }
}
)
)
log.Info("info");
using (Log.RegisterInstance(instances[i]))
log.Info("info");
Assert.IsTrue(queues[i].Dequeue().Count() >= 1);
}
);
}
// async event causal ordering
using (
Log.RegisterInstance(
new Instance()
{
Logger = queue = new Loggers.Queue(),
Buffer = 0,
Synchronous = false,
Properties = new[]
{
"Event.Timestamp",
"Event.Time",
"Event.Index"
}
}
)
)
{
var log = new Log(this);
for (Int32 i = 0; i < ParallelIterations; i++)
log.InfoEx(new { Index = i });
Thread.Sleep(100);
var events = queue.Dequeue().ToList();
Assert.AreEqual(events.Count, ParallelIterations);
for (Int32 i = 0; i < ParallelIterations; i++)
{
if (i > 0)
{
Assert.IsTrue((Int64)events[i]["Event.Timestamp"] >= (Int64)events[i - 1]["Event.Timestamp"]);
Assert.IsTrue((DateTime)events[i]["Event.Time"] >= (DateTime)events[i - 1]["Event.Time"]);
}
Assert.AreEqual(events[i]["Event.Index"], i);
}
}
Log.Flush();
}
public void TestSourceProperties()
{
// configure the log
var queue = new Loggers.Queue();
using (
Log.RegisterInstance(
new Instance()
{
Logger = queue,
Synchronous = true,
Buffer = 0,
Properties = new[] { "TestLog.Property" }
}
)
)
{
Event evt;
// default value
new Log(this).Info("test");
evt = queue.Dequeue().Single();
Assert.IsNull(evt["TestLog.Property"]);
// valid value
this.Property = "value";
new Log(this).Info("test");
evt = queue.Dequeue().Single();
Assert.AreEqual(evt["TestLog.Property"], "value");
// typed external value
this.Property = null;
new Log(GetType(), new TestContext() { Property = "test" }).Info("test");
Assert.AreEqual(evt["TestLog.Property"], "value");
// anonymous external value
this.Property = null;
new Log(GetType(), new { Property = "test" }).Info("test");
Assert.AreEqual(evt["TestLog.Property"], "value");
}
}
public void TestContext()
{
var queue = new Loggers.Queue();
var log = new Log(this);
var evt = (Event)null;
using (Log.RegisterInstance(
new Instance()
{
Properties = new[]
{
"Transaction.LocalID",
"Transaction.GlobalID",
"Transaction.Started",
"Transaction.State"
},
Logger = queue,
Buffer = 0,
Synchronous = true
}
)
)
{
// default transaction state
log.Info("test");
evt = queue.Dequeue().Single();
Assert.IsNull(evt["Transaction.LocalID"]);
Assert.IsNull(evt["Transaction.GlobalID"]);
Assert.IsNull(evt["Transaction.Started"]);
Assert.IsNull(evt["Transaction.State"]);
// running transaction state
using (var txn = new TransactionScope())
log.Info("test");
evt = queue.Dequeue().Single();
Assert.IsNotNull(evt["Transaction.LocalID"]);
Assert.IsNull(evt["Transaction.GlobalID"]);
Assert.IsTrue((DateTime)evt["Transaction.Started"] <= DateTime.UtcNow);
Assert.AreEqual(evt["Transaction.State"], TransactionStatus.Active);
// committed transaction state
using (var txn = new CommittableTransaction())
{
Transaction.Current = txn;
txn.Commit();
log.Info("test");
Transaction.Current = null;
}
evt = queue.Dequeue().Single();
Assert.IsNotNull(evt["Transaction.LocalID"]);
Assert.IsNull(evt["Transaction.GlobalID"]);
Assert.IsTrue((DateTime)evt["Transaction.Started"] <= DateTime.UtcNow);
Assert.AreEqual(evt["Transaction.State"], TransactionStatus.Committed);
// aborted transaction state
using (var txn = new TransactionScope())
{
Transaction.Current.Rollback();
log.Info("test");
}
evt = queue.Dequeue().Single();
Assert.IsNotNull(evt["Transaction.LocalID"]);
Assert.IsNull(evt["Transaction.GlobalID"]);
Assert.IsTrue((DateTime)evt["Transaction.Started"] <= DateTime.UtcNow);
Assert.AreEqual(evt["Transaction.State"], TransactionStatus.Aborted);
// globally-enlisted transaction state
using (var txn = new TransactionScope())
using (var connect1 = new SqlConnection("Data Source=.;Integrated Security=true;"))
using (var connect2 = new SqlConnection("Data Source=.;Integrated Security=true;"))
{
connect1.Open();
connect2.Open();
log.Info("test");
}
evt = queue.Dequeue().Single();
Assert.IsNotNull(evt["Transaction.LocalID"]);
Assert.IsNotNull(evt["Transaction.GlobalID"]);
Assert.IsTrue((DateTime)evt["Transaction.Started"] <= DateTime.UtcNow);
Assert.AreEqual(evt["Transaction.State"], TransactionStatus.Active);
// null transaction state
log.Info("test");
evt = queue.Dequeue().Single();
Assert.IsNull(evt["Transaction.LocalID"]);
Assert.IsNull(evt["Transaction.GlobalID"]);
Assert.IsNull(evt["Transaction.Started"]);
Assert.IsNull(evt["Transaction.State"]);
}
}
