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DiagnosticSourceEventSourceBridgeTests.cs
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DiagnosticSourceEventSourceBridgeTests.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Collections.Generic;
using System.Diagnostics.Tracing;
using System.Reflection;
using System.Text;
using System.Threading;
using Microsoft.DotNet.RemoteExecutor;
using Xunit;
namespace System.Diagnostics.Tests
{
//Complex types are not supported on EventSource for .NET 4.5
public class DiagnosticSourceEventSourceBridgeTests
{
// To avoid interactions between tests when they are run in parallel, we run all these tests in their
// own sub-process using RemoteExecutor.Invoke() However this makes it very inconvenient to debug the test.
// By setting this #if to true you stub out RemoteInvoke and the code will run in-proc which is useful
// in debugging.
#if false
class NullDispose : IDisposable
{
public void Dispose()
{
}
}
static IDisposable RemoteExecutor.Invoke(Action a)
{
a();
return new NullDispose();
}
#endif
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestEnableAllActivitySourcesAllEvents()
{
RemoteExecutor.Invoke(() =>
{
using TestDiagnosticSourceEventListener eventSourceListener = new TestDiagnosticSourceEventListener();
ActivitySource[] sources = new ActivitySource[10];
for (int i = 0; i < 10; i++)
{
sources[i] = new ActivitySource($"Source{i}");
}
int eventsCount = 0;
Assert.Equal(eventsCount, eventSourceListener.EventCount);
eventSourceListener.Enable(" [AS]* \r\n"); // All Sources + All Events
Activity[] activities = new Activity[10];
for (int i = 0; i < 10; i++)
{
activities[i] = sources[i].StartActivity($"activity{i}");
Assert.NotNull(activities[i]);
Assert.Equal(++eventsCount, eventSourceListener.EventCount);
ValidateActivityEvents(eventSourceListener, "ActivityStart", sources[i].Name, activities[i].OperationName);
Assert.True(activities[i].IsAllDataRequested);
Assert.Equal(ActivityTraceFlags.Recorded, activities[i].ActivityTraceFlags);
}
for (int i = 0; i < 10; i++)
{
activities[i].Dispose();
Assert.Equal(++eventsCount, eventSourceListener.EventCount);
ValidateActivityEvents(eventSourceListener, "ActivityStop", sources[i].Name, activities[i].OperationName);
sources[i].Dispose();
}
}).Dispose();
}
[ConditionalTheory(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
[InlineData("Start")]
[InlineData("Stop")]
[InlineData("start")]
[InlineData("stop")]
public void TestEnableAllActivitySourcesWithOneEvent(string eventName)
{
RemoteExecutor.Invoke((eventname) =>
{
using TestDiagnosticSourceEventListener eventSourceListener = new TestDiagnosticSourceEventListener();
ActivitySource[] sources = new ActivitySource[10];
for (int i = 0; i < 10; i++)
{
sources[i] = new ActivitySource($"Source{i}");
}
int eventsCount = 0;
Assert.Equal(eventsCount, eventSourceListener.EventCount);
eventSourceListener.Enable($" [AS]* / {eventname} \r\n"); // All Sources + one Event
Activity[] activities = new Activity[10];
for (int i = 0; i < 10; i++)
{
activities[i] = sources[i].StartActivity($"activity{i}");
Assert.NotNull(activities[i]);
if (eventname.Equals("Start", StringComparison.OrdinalIgnoreCase))
{
eventsCount++;
ValidateActivityEvents(eventSourceListener, "ActivityStart", sources[i].Name, activities[i].OperationName);
}
Assert.Equal(eventsCount, eventSourceListener.EventCount);
Assert.True(activities[i].IsAllDataRequested);
Assert.Equal(ActivityTraceFlags.Recorded, activities[i].ActivityTraceFlags);
}
for (int i = 0; i < 10; i++)
{
activities[i].Dispose();
if (eventname.Equals("Stop", StringComparison.OrdinalIgnoreCase))
{
eventsCount++;
ValidateActivityEvents(eventSourceListener, "ActivityStop", sources[i].Name, activities[i].OperationName);
}
Assert.Equal(eventsCount, eventSourceListener.EventCount);
sources[i].Dispose();
}
}, eventName).Dispose();
}
[ConditionalTheory(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
[InlineData("Propagate", false, ActivityTraceFlags.None)]
[InlineData("PROPAGATE", false, ActivityTraceFlags.None)]
[InlineData("Record", true, ActivityTraceFlags.None)]
[InlineData("recorD", true, ActivityTraceFlags.None)]
[InlineData("", true, ActivityTraceFlags.Recorded)]
public void TestEnableAllActivitySourcesWithSpeciifcSamplingResult(string samplingResult, bool alldataRequested, ActivityTraceFlags activityTraceFlags)
{
RemoteExecutor.Invoke((result, dataRequested, traceFlags) =>
{
using TestDiagnosticSourceEventListener eventSourceListener = new TestDiagnosticSourceEventListener();
using ActivitySource source = new ActivitySource("SamplingSource");
Assert.Equal(0, eventSourceListener.EventCount);
eventSourceListener.Enable($" [AS]* /- {result} \r\n"); // All Sources + one Event
Activity activity = source.StartActivity($"samplingActivity");
Assert.NotNull(activity);
Assert.Equal(1, eventSourceListener.EventCount);
ValidateActivityEvents(eventSourceListener, "ActivityStart", source.Name, activity.OperationName);
Assert.Equal(bool.Parse(dataRequested), activity.IsAllDataRequested);
Assert.Equal(traceFlags, activity.ActivityTraceFlags.ToString());
activity.Dispose();
Assert.Equal(2, eventSourceListener.EventCount);
ValidateActivityEvents(eventSourceListener, "ActivityStop", source.Name, activity.OperationName);
}, samplingResult, alldataRequested.ToString(), activityTraceFlags.ToString()).Dispose();
}
[ConditionalTheory(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
[InlineData("", "", true)]
[InlineData("Start", "", true)]
[InlineData("stop", "", true)]
[InlineData("", "Propagate", false)]
[InlineData("", "Record", true)]
[InlineData("Start", "Propagate", false)]
[InlineData("Stop", "Record", true)]
public void TestDefaultActivitySource(string eventName, string samplingResult, bool allDataRequested)
{
RemoteExecutor.Invoke((eventName, samplingResult, allDataRequested) =>
{
using TestDiagnosticSourceEventListener eventSourceListener = new TestDiagnosticSourceEventListener();
Activity a = new Activity(""); // we need this to ensure DiagnosticSourceEventSource.Logger creation.
Assert.Equal(0, eventSourceListener.EventCount);
eventSourceListener.Enable($" [AS]/{eventName}-{samplingResult}\r\n");
Assert.Equal("", a.Source.Name);
a = a.Source.StartActivity("newOne");
Assert.NotNull(a);
Assert.Equal(bool.Parse(allDataRequested), a.IsAllDataRequested);
// All Activities created with "new Activity(...)" will have ActivityTraceFlags is `None`;
Assert.Equal(samplingResult.Length == 0 ? ActivityTraceFlags.Recorded : ActivityTraceFlags.None, a.ActivityTraceFlags);
a.Dispose();
int eCount = eventName.Length == 0 ? 2 : 1;
Assert.Equal(eCount, eventSourceListener.EventCount);
// None Default Source
ActivitySource source = new ActivitySource("NoneDefault"); // not the default ActivitySource
Activity activity = source.StartActivity($"ActivityFromNoneDefault"); // Shouldn't fire any event
Assert.Equal(eCount, eventSourceListener.EventCount);
Assert.Null(activity);
}, eventName, samplingResult, allDataRequested.ToString()).Dispose();
}
[ConditionalTheory(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
[InlineData("[AS]*\r\n [AS]Specific/-Propagate\r\n", false, true)]
[InlineData("[AS]AnotherSource/-Propagate\r\n [AS]Specific/-Record\r\n [AS]*\r\n", true, true)]
[InlineData("[AS]*/-Propagate\r\n [AS]Specific/-Record\r\n", true, false)]
[InlineData("[AS]*/-Propagate\r\n", false, false)]
[InlineData("[AS]*/-Record\r\n", true, true)]
[InlineData("[AS]Specific/-Propagate\r\n [AS]NoneSpecific/-Record\r\n", false, true)]
[InlineData("[AS]Specific/-Record\r\n [AS]NoneSpecific/-Propagate\r\n", true, false)]
[InlineData("[AS]Specific\r\n [AS]NoneSpecific\r\n", true, true)]
public void TestMultipleSpecs(string spec, bool isAllDataRequestedFromSpecific, bool isAllDataRequestedFromNoneSpecific)
{
RemoteExecutor.Invoke((specString, specificAllData, noneSpecificAllData) =>
{
using TestDiagnosticSourceEventListener eventSourceListener = new TestDiagnosticSourceEventListener();
using ActivitySource aSource1 = new ActivitySource("Specific");
eventSourceListener.Enable(specString);
Assert.Equal(0, eventSourceListener.EventCount);
Activity a1 = aSource1.StartActivity("a1");
Assert.NotNull(a1);
Assert.Equal(1, eventSourceListener.EventCount);
Assert.Equal(bool.Parse(specificAllData), a1.IsAllDataRequested);
a1.Dispose();
Assert.Equal(2, eventSourceListener.EventCount);
using ActivitySource aSource2 = new ActivitySource("NoneSpecific");
Activity a2 = aSource2.StartActivity("a2");
Assert.NotNull(a2);
Assert.Equal(3, eventSourceListener.EventCount);
Assert.Equal(bool.Parse(noneSpecificAllData), a2.IsAllDataRequested);
a2.Dispose();
Assert.Equal(4, eventSourceListener.EventCount);
}, spec, isAllDataRequestedFromSpecific.ToString(), isAllDataRequestedFromNoneSpecific.ToString()).Dispose();
}
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestTransformSpecs()
{
RemoteExecutor.Invoke(() =>
{
using (TestDiagnosticSourceEventListener eventSourceListener = new TestDiagnosticSourceEventListener())
{
using ActivitySource aSource1 = new ActivitySource("TransSpecsSource");
eventSourceListener.Enable("[AS]*");
Activity a = aSource1.StartActivity("TransSpecs");
ValidateActivityEvents(eventSourceListener, "ActivityStart", "TransSpecsSource", "TransSpecs");
var list1 = eventSourceListener.LastEvent.Arguments;
Assert.Equal(a.OperationName, list1["OperationName"]);
a.Dispose();
ValidateActivityEvents(eventSourceListener, "ActivityStop", "TransSpecsSource", "TransSpecs");
var list2 = eventSourceListener.LastEvent.Arguments;
Assert.Equal(a.OperationName, list2["OperationName"]);
Assert.Equal(list1.Count, list2.Count);
foreach (string key in list1.Keys)
{
Assert.NotNull(list2[key]);
}
// Suppress all
eventSourceListener.Enable("[AS]*:-");
a = aSource1.StartActivity("TransSpecs");
Assert.Equal(0, eventSourceListener.LastEvent.Arguments.Count);
a.Stop();
Assert.Equal(0, eventSourceListener.LastEvent.Arguments.Count);
// Suppress all except ActivitySource name
eventSourceListener.Enable("[AS]*:-ActivitySourceName=Source.Name");
a = aSource1.StartActivity("TransSpecs");
Assert.Equal(1, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(aSource1.Name, eventSourceListener.LastEvent.Arguments["ActivitySourceName"]);
a.Stop();
Assert.Equal(1, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(aSource1.Name, eventSourceListener.LastEvent.Arguments["ActivitySourceName"]);
// Collect TraceId, SpanId, and ParentSpanId only
eventSourceListener.Enable("[AS]*:-TraceId;SpanId;ParentSpanId");
a = aSource1.StartActivity("ActivityData");
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(a.SpanId.ToString(), eventSourceListener.LastEvent.Arguments["SpanId"]);
Assert.Equal(a.TraceId.ToString(), eventSourceListener.LastEvent.Arguments["TraceId"]);
Assert.Equal(a.ParentSpanId.ToString(), eventSourceListener.LastEvent.Arguments["ParentSpanId"]);
a.Stop();
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(a.SpanId.ToString(), eventSourceListener.LastEvent.Arguments["SpanId"]);
Assert.Equal(a.TraceId.ToString(), eventSourceListener.LastEvent.Arguments["TraceId"]);
Assert.Equal(a.ParentSpanId.ToString(), eventSourceListener.LastEvent.Arguments["ParentSpanId"]);
}
}).Dispose();
}
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestFilteringWithActivityName()
{
RemoteExecutor.Invoke(() =>
{
using (TestDiagnosticSourceEventListener eventSourceListener = new TestDiagnosticSourceEventListener())
{
using ActivitySource aSource1 = new ActivitySource("Source1");
using ActivitySource aSource2 = new ActivitySource("MySource");
//
// test with specific ActivitySource and ActivityName
//
eventSourceListener.Enable("[AS]MySource+MyActivity");
Assert.Equal(0, eventSourceListener.EventCount);
Activity a = aSource1.StartActivity("MyActivity"); // Not from MySource
Assert.Null(a);
Assert.Equal(0, eventSourceListener.EventCount);
a = aSource2.StartActivity("NotMyActivity"); // from MySource but NoMyActivity
Assert.Null(a);
Assert.Equal(0, eventSourceListener.EventCount);
a = aSource2.StartActivity("MyActivity"); // from MySource and MyActivity
Assert.NotNull(a);
Assert.Equal(1, eventSourceListener.EventCount);
Assert.Equal(a.OperationName, eventSourceListener.LastEvent.Arguments["OperationName"]);
a.Stop();
Assert.Equal(2, eventSourceListener.EventCount);
Assert.Equal(a.OperationName, eventSourceListener.LastEvent.Arguments["OperationName"]);
//
// test with full query
//
eventSourceListener.Enable("[AS]MySource+MyActivity/Start-Propagate");
a = aSource2.StartActivity("MyActivity"); // from MySource and MyActivity
Assert.NotNull(a);
Assert.Equal(3, eventSourceListener.EventCount);
Assert.Equal(a.OperationName, eventSourceListener.LastEvent.Arguments["OperationName"]);
Assert.False(a.IsAllDataRequested);
a.Stop(); // shouldn't fire
Assert.Equal(3, eventSourceListener.EventCount);
//
// test with default Source
//
eventSourceListener.Enable("[AS]+MyActivity");
a = new Activity("MyActivity");
a.Start();
Assert.Equal(4, eventSourceListener.EventCount);
Assert.Equal(a.OperationName, eventSourceListener.LastEvent.Arguments["OperationName"]);
Assert.True(a.IsAllDataRequested);
a.Stop();
Assert.Equal(5, eventSourceListener.EventCount);
Assert.Equal(a.OperationName, eventSourceListener.LastEvent.Arguments["OperationName"]);
a = new Activity("NotMyActivity");
a.Start(); // nothing fire
Assert.Equal(5, eventSourceListener.EventCount);
//
// Test with Empty ActivityName
//
eventSourceListener.Enable("[AS]+");
a = new Activity("");
a.Start();
Assert.Equal(6, eventSourceListener.EventCount);
a.Stop();
Assert.Equal(7, eventSourceListener.EventCount);
a = aSource2.StartActivity("");
Assert.Null(a);
}
}).Dispose();
}
internal void ValidateActivityEvents(TestDiagnosticSourceEventListener eventSourceListener, string eventName, string sourceName, string activityName)
{
Assert.Equal(eventName, eventSourceListener.LastEvent.EventSourceEventName);
Assert.Equal(sourceName, eventSourceListener.LastEvent.SourceName);
Assert.Equal(activityName, eventSourceListener.LastEvent.EventName);
}
/// <summary>
/// Tests the basic functionality of turning on specific EventSources and specifying
/// the events you want.
/// </summary>
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestSpecificEvents()
{
RemoteExecutor.Invoke(() =>
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestSpecificEventsSource"))
{
Assert.Equal(0, eventSourceListener.EventCount);
// Turn on events with both implicit and explicit types You can have whitespace
// before and after each spec.
eventSourceListener.Enable(
" TestSpecificEventsSource/TestEvent1:cls_Point_X=cls.Point.X;cls_Point_Y=cls.Point.Y\r\n" +
" TestSpecificEventsSource/TestEvent2:cls_Url=cls.Url\r\n"
);
/***************************************************************************************/
// Emit an event that matches the first pattern.
MyClass val = new MyClass() { Url = "MyUrl", Point = new MyPoint() { X = 3, Y = 5 } };
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestSpecificEventsSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(5, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hi", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("4", eventSourceListener.LastEvent.Arguments["propInt"]);
Assert.Equal("3", eventSourceListener.LastEvent.Arguments["cls_Point_X"]);
Assert.Equal("5", eventSourceListener.LastEvent.Arguments["cls_Point_Y"]);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an event that matches the second pattern.
if (diagnosticSourceListener.IsEnabled("TestEvent2"))
diagnosticSourceListener.Write("TestEvent2", new { prop2Str = "hello", prop2Int = 8, cls = val });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestSpecificEventsSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent2", eventSourceListener.LastEvent.EventName);
Assert.Equal(4, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hello", eventSourceListener.LastEvent.Arguments["prop2Str"]);
Assert.Equal("8", eventSourceListener.LastEvent.Arguments["prop2Int"]);
Assert.Equal("MyUrl", eventSourceListener.LastEvent.Arguments["cls_Url"]);
eventSourceListener.ResetEventCountAndLastEvent();
// Emit an event that does not match either pattern. (thus will be filtered out)
if (diagnosticSourceListener.IsEnabled("TestEvent3"))
diagnosticSourceListener.Write("TestEvent3", new { propStr = "prop3", });
Assert.Equal(0, eventSourceListener.EventCount); // No Event should be fired.
/***************************************************************************************/
// Emit an event from another diagnostic source with the same event name.
// It will be filtered out.
using (var diagnosticSourceListener2 = new DiagnosticListener("TestSpecificEventsSource2"))
{
if (diagnosticSourceListener2.IsEnabled("TestEvent1"))
diagnosticSourceListener2.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val });
}
Assert.Equal(0, eventSourceListener.EventCount); // No Event should be fired.
// Disable all the listener and insure that no more events come through.
eventSourceListener.Disable();
diagnosticSourceListener.Write("TestEvent1", null);
diagnosticSourceListener.Write("TestEvent2", null);
Assert.Equal(0, eventSourceListener.EventCount); // No Event should be received.
}
// Make sure that there are no Diagnostic Listeners left over.
DiagnosticListener.AllListeners.Subscribe(DiagnosticSourceTest.MakeObserver(delegate (DiagnosticListener listen)
{
Assert.True(!listen.Name.StartsWith("BuildTestSource"));
}));
}).Dispose();
}
/// <summary>
/// Tests that DiagnosticSourceEventSource can read property values from base classes
/// </summary>
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestBaseClassProperties()
{
RemoteExecutor.Invoke(() =>
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestBaseClassProperties"))
{
Assert.Equal(0, eventSourceListener.EventCount);
eventSourceListener.Enable(
" TestBaseClassProperties/TestEvent1:Point_X=Point.X;Point_Y=Point.Y;Url_2=Url2\r\n");
/***************************************************************************************/
// Emit an event that matches the first pattern.
MyClass val = new MyDerivedClass() { Url = "MyUrl", Point = new MyPoint() { X = 3, Y = 5 }, Url2 = "Second url", AnotherString = "another" };
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", val);
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestBaseClassProperties", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(7, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("another", eventSourceListener.LastEvent.Arguments["AnotherString"]);
Assert.Equal("3", eventSourceListener.LastEvent.Arguments["Point_X"]);
Assert.Equal("5", eventSourceListener.LastEvent.Arguments["Point_Y"]);
Assert.Equal("Second url", eventSourceListener.LastEvent.Arguments["Url_2"]);
eventSourceListener.ResetEventCountAndLastEvent();
}
}).Dispose();
}
/// <summary>
/// Tests that DiagnosticSourceEventSource can read property values from base classes
/// </summary>
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestBaseClassDuplicateProperties()
{
RemoteExecutor.Invoke(() =>
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestBaseClassProperties"))
{
Assert.Equal(0, eventSourceListener.EventCount);
eventSourceListener.Enable(
" TestBaseClassProperties/TestEvent1:Point_X=Point.X;Point_Y=Point.Y;Url=Url\r\n");
/***************************************************************************************/
// Emit an event that matches the first pattern.
MyClass val = new MyOtherDerivedClass() { Url = "MyUrl", Point = new MyDerivedPoint() { X = 3, Y = 5 } };
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", val);
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestBaseClassProperties", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(4, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("3", eventSourceListener.LastEvent.Arguments["Point_X"]);
Assert.Equal("5", eventSourceListener.LastEvent.Arguments["Point_Y"]);
Assert.Equal("MyUrl", eventSourceListener.LastEvent.Arguments["Url"]);
eventSourceListener.ResetEventCountAndLastEvent();
}
}).Dispose();
}
/// <summary>
/// Test that things work properly for Linux newline conventions.
/// </summary>
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void LinuxNewLineConventions()
{
RemoteExecutor.Invoke(() =>
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("LinuxNewLineConventionsSource"))
{
Assert.Equal(0, eventSourceListener.EventCount);
// Turn on events with both implicit and explicit types You can have whitespace
// before and after each spec. Use \n rather than \r\n
eventSourceListener.Enable(
" LinuxNewLineConventionsSource/TestEvent1:-cls_Point_X=cls.Point.X\n" +
" LinuxNewLineConventionsSource/TestEvent2:-cls_Url=cls.Url\n"
);
/***************************************************************************************/
// Emit an event that matches the first pattern.
MyClass val = new MyClass() { Url = "MyUrl", Point = new MyPoint() { X = 3, Y = 5 } };
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("LinuxNewLineConventionsSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(1, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("3", eventSourceListener.LastEvent.Arguments["cls_Point_X"]);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an event that matches the second pattern.
if (diagnosticSourceListener.IsEnabled("TestEvent2"))
diagnosticSourceListener.Write("TestEvent2", new { prop2Str = "hello", prop2Int = 8, cls = val });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("LinuxNewLineConventionsSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent2", eventSourceListener.LastEvent.EventName);
Assert.Equal(1, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("MyUrl", eventSourceListener.LastEvent.Arguments["cls_Url"]);
eventSourceListener.ResetEventCountAndLastEvent();
// Emit an event that does not match either pattern. (thus will be filtered out)
if (diagnosticSourceListener.IsEnabled("TestEvent3"))
diagnosticSourceListener.Write("TestEvent3", new { propStr = "prop3", });
Assert.Equal(0, eventSourceListener.EventCount); // No Event should be fired.
}
// Make sure that there are no Diagnostic Listeners left over.
DiagnosticListener.AllListeners.Subscribe(DiagnosticSourceTest.MakeObserver(delegate (DiagnosticListener listen)
{
Assert.True(!listen.Name.StartsWith("BuildTestSource"));
}));
}).Dispose();
}
/// <summary>
/// Tests what happens when you wildcard the source name (empty string)
/// </summary>
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestWildCardSourceName()
{
RemoteExecutor.Invoke(() =>
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener1 = new DiagnosticListener("TestWildCardSourceName1"))
using (var diagnosticSourceListener2 = new DiagnosticListener("TestWildCardSourceName2"))
{
eventSourceListener.Filter = (DiagnosticSourceEvent evnt) => evnt.SourceName.StartsWith("TestWildCardSourceName");
// Turn On Everything. Note that because of concurrent testing, we may get other sources as well.
// but we filter them out because we set eventSourceListener.Filter.
eventSourceListener.Enable("");
Assert.True(diagnosticSourceListener1.IsEnabled("TestEvent1"));
Assert.True(diagnosticSourceListener1.IsEnabled("TestEvent2"));
Assert.True(diagnosticSourceListener2.IsEnabled("TestEvent1"));
Assert.True(diagnosticSourceListener2.IsEnabled("TestEvent2"));
Assert.Equal(0, eventSourceListener.EventCount);
diagnosticSourceListener1.Write("TestEvent1", new { prop111 = "prop111Val", prop112 = 112 });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestWildCardSourceName1", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(2, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("prop111Val", eventSourceListener.LastEvent.Arguments["prop111"]);
Assert.Equal("112", eventSourceListener.LastEvent.Arguments["prop112"]);
eventSourceListener.ResetEventCountAndLastEvent();
diagnosticSourceListener1.Write("TestEvent2", new { prop121 = "prop121Val", prop122 = 122 });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestWildCardSourceName1", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent2", eventSourceListener.LastEvent.EventName);
Assert.Equal(2, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("prop121Val", eventSourceListener.LastEvent.Arguments["prop121"]);
Assert.Equal("122", eventSourceListener.LastEvent.Arguments["prop122"]);
eventSourceListener.ResetEventCountAndLastEvent();
diagnosticSourceListener2.Write("TestEvent1", new { prop211 = "prop211Val", prop212 = 212 });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestWildCardSourceName2", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(2, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("prop211Val", eventSourceListener.LastEvent.Arguments["prop211"]);
Assert.Equal("212", eventSourceListener.LastEvent.Arguments["prop212"]);
eventSourceListener.ResetEventCountAndLastEvent();
diagnosticSourceListener2.Write("TestEvent2", new { prop221 = "prop221Val", prop222 = 122 });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestWildCardSourceName2", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent2", eventSourceListener.LastEvent.EventName);
Assert.Equal(2, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("prop221Val", eventSourceListener.LastEvent.Arguments["prop221"]);
Assert.Equal("122", eventSourceListener.LastEvent.Arguments["prop222"]);
eventSourceListener.ResetEventCountAndLastEvent();
}
}).Dispose();
}
/// <summary>
/// Tests what happens when you wildcard event name (but not the source name)
/// </summary>
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestWildCardEventName()
{
RemoteExecutor.Invoke(() =>
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestWildCardEventNameSource"))
{
Assert.Equal(0, eventSourceListener.EventCount);
// Turn on events with both implicit and explicit types
eventSourceListener.Enable("TestWildCardEventNameSource");
/***************************************************************************************/
// Emit an event, check that all implicit properties are generated
MyClass val = new MyClass() { Url = "MyUrl", Point = new MyPoint() { X = 3, Y = 5 } };
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestWildCardEventNameSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hi", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("4", eventSourceListener.LastEvent.Arguments["propInt"]);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit the same event, with a different set of implicit properties
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new { propStr2 = "hi2", cls = val });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestWildCardEventNameSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(2, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hi2", eventSourceListener.LastEvent.Arguments["propStr2"]);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an event with the same schema as the first event. (uses first-event cache)
val = new MyClass() { };
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new { propStr = "hiThere", propInt = 5, cls = val });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestWildCardEventNameSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hiThere", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("5", eventSourceListener.LastEvent.Arguments["propInt"]);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an event with the same schema as the second event. (uses dictionary cache)
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new { propStr2 = "hi3", cls = val });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestWildCardEventNameSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(2, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hi3", eventSourceListener.LastEvent.Arguments["propStr2"]);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an event from another diagnostic source with the same event name.
// It will be filtered out.
using (var diagnosticSourceListener2 = new DiagnosticListener("TestWildCardEventNameSource2"))
{
if (diagnosticSourceListener2.IsEnabled("TestEvent1"))
diagnosticSourceListener2.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val });
}
Assert.Equal(0, eventSourceListener.EventCount); // No Event should be fired.
}
}).Dispose();
}
public class PropertyThrow
{
public string property1 => "P1";
public string property2 => throw new Exception("Always throw!");
public string property3 => "P3";
}
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestWithPropertyThrowing()
{
RemoteExecutor.Invoke(() =>
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestThrows"))
{
eventSourceListener.Enable("TestThrows/TestEvent1");
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new PropertyThrow());
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestThrows", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("P1", eventSourceListener.LastEvent.Arguments["property1"]);
Assert.Equal("P3", eventSourceListener.LastEvent.Arguments["property3"]);
Assert.Equal("", eventSourceListener.LastEvent.Arguments["property2"]);
eventSourceListener.ResetEventCountAndLastEvent();
}
}).Dispose();
}
/// <summary>
/// Test what happens when there are nulls passed in the event payloads
/// Basically strings get turned into empty strings and other nulls are typically
/// ignored.
/// </summary>
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestNulls()
{
RemoteExecutor.Invoke(() =>
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestNullsTestSource"))
{
Assert.Equal(0, eventSourceListener.EventCount);
// Turn on events with both implicit and explicit types
eventSourceListener.Enable("TestNullsTestSource/TestEvent1:cls.Url;cls_Point_X=cls.Point.X");
/***************************************************************************************/
// Emit a null arguments object.
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", null);
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestNullsTestSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(0, eventSourceListener.LastEvent.Arguments.Count);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an arguments object with nulls in it.
MyClass val = null;
string strVal = null;
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new { cls = val, propStr = "propVal1", propStrNull = strVal });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestNullsTestSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("", eventSourceListener.LastEvent.Arguments["cls"]); // Tostring() on a null end up as an empty string.
Assert.Equal("propVal1", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("", eventSourceListener.LastEvent.Arguments["propStrNull"]); // null strings get turned into empty strings
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an arguments object that points at null things
MyClass val1 = new MyClass() { Url = "myUrlVal", Point = null };
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new { cls = val1, propStr = "propVal1" });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestNullsTestSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val1.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("propVal1", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("myUrlVal", eventSourceListener.LastEvent.Arguments["Url"]);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an arguments object that points at null things (variation 2)
MyClass val2 = new MyClass() { Url = null, Point = new MyPoint() { X = 8, Y = 9 } };
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new { cls = val2, propStr = "propVal1" });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestNullsTestSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val2.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("propVal1", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("8", eventSourceListener.LastEvent.Arguments["cls_Point_X"]);
eventSourceListener.ResetEventCountAndLastEvent();
}
}).Dispose();
}
/// <summary>
/// Tests the feature that suppresses the implicit inclusion of serialable properties
/// of the payload object.
/// </summary>
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestNoImplicitTransforms()
{
RemoteExecutor.Invoke(() =>
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestNoImplicitTransformsSource"))
{
Assert.Equal(0, eventSourceListener.EventCount);
// use the - prefix to suppress the implicit properties. Thus you should only get propStr and Url.
eventSourceListener.Enable("TestNoImplicitTransformsSource/TestEvent1:-propStr;cls.Url");
/***************************************************************************************/
// Emit an event that matches the first pattern.
MyClass val = new MyClass() { Url = "MyUrl", Point = new MyPoint() { X = 3, Y = 5 } };
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val, propStr2 = "there" });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestNoImplicitTransformsSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(2, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("hi", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("MyUrl", eventSourceListener.LastEvent.Arguments["Url"]);
eventSourceListener.ResetEventCountAndLastEvent();
}
}).Dispose();
}
/// <summary>
/// Tests what happens when wacky characters are used in property specs.
/// </summary>
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestBadProperties()
{
RemoteExecutor.Invoke(() =>
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestBadPropertiesSource"))
{
Assert.Equal(0, eventSourceListener.EventCount);
// This has a syntax error in the Url case, so it should be ignored.
eventSourceListener.Enable("TestBadPropertiesSource/TestEvent1:cls.Ur-+l");
/***************************************************************************************/
// Emit an event that matches the first pattern.
MyClass val = new MyClass() { Url = "MyUrl", Point = new MyPoint() { X = 3, Y = 5 } };
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
diagnosticSourceListener.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val });
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestBadPropertiesSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hi", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("4", eventSourceListener.LastEvent.Arguments["propInt"]);
eventSourceListener.ResetEventCountAndLastEvent();
}
}).Dispose();
}
// Tests that messages about DiagnosticSourceEventSource make it out.
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestMessages()
{
RemoteExecutor.Invoke(() =>
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestMessagesSource"))
{
Assert.Equal(0, eventSourceListener.EventCount);
// This is just to make debugging easier.
var messages = new List<string>();
eventSourceListener.OtherEventWritten += delegate (EventWrittenEventArgs evnt)
{
if (evnt.EventName == "Message")
{
var message = (string)evnt.Payload[0];
messages.Add(message);
}
};
// This has a syntax error in the Url case, so it should be ignored.
eventSourceListener.Enable("TestMessagesSource/TestEvent1:-cls.Url");
Assert.Equal(0, eventSourceListener.EventCount);
Assert.True(3 <= messages.Count);
}
}).Dispose();
}
// Tests that version event from DiagnosticSourceEventSource is fired.
[ConditionalFact(typeof(RemoteExecutor), nameof(RemoteExecutor.IsSupported))]
public void TestVersion()
{
RemoteExecutor.Invoke(static () =>
{
Activity a = new Activity("test"); // we need this to ensure DiagnosticSourceEventSource.Logger creation.
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
{
Assert.Equal(0, eventSourceListener.EventCount);
Version? version = null;
eventSourceListener.OtherEventWritten += delegate (EventWrittenEventArgs evnt)
{
if (evnt.EventName == "Version")
{
version = new(
(int)evnt.Payload[0],
(int)evnt.Payload[1],
(int)evnt.Payload[2]);
}
};
eventSourceListener.Enable("");
Assert.Equal(0, eventSourceListener.EventCount);
Assert.NotNull(version);
Assert.Equal(
new Version(typeof(Activity).Assembly.GetCustomAttribute<AssemblyFileVersionAttribute>()?.Version ?? "0.0.0").ToString(3),
version.ToString());
}
}).Dispose();
}
/// <summary>
/// Tests the feature to send the messages as EventSource Activities.