public void DestructuringDepthIsLimitedByConfiguredDepth()
{
// Arrange
var exception = new RecursiveException()
{
Node = new RecursiveNode()
{
Name = "PARENT",
Child = new RecursiveNode()
{
Name = "CHILD 1",
Child = new RecursiveNode()
{
Name = "CHILD 2",
},
},
},
};
var destructurer = new ReflectionBasedDestructurer(1);
// Act
var propertiesBag = new ExceptionPropertiesBag(exception);
destructurer.Destructure(exception, propertiesBag, EmptyDestructurer());
// Assert
// Parent is depth 1
// First child is depth 2
var properties = propertiesBag.GetResultDictionary();
var parent = (IDictionary <string, object>)properties[nameof(RecursiveException.Node)];
Assert.Equal("PARENT", parent[nameof(RecursiveNode.Name)]);
Assert.IsType <RecursiveNode>(parent[nameof(RecursiveNode.Child)]);
}
public async Task CanDestructureTaskAsync()
{
using var cancellationTokenSource = new CancellationTokenSource(0);
TaskCanceledException exception = null;
try
{
await Task.Delay(1000, cancellationTokenSource.Token).ConfigureAwait(false);
}
catch (TaskCanceledException taskCancelledException)
{
exception = taskCancelledException;
}
var propertiesBag = new ExceptionPropertiesBag(exception);
CreateReflectionBasedDestructurer().Destructure(exception, propertiesBag, EmptyDestructurer());
var properties = propertiesBag.GetResultDictionary();
var destructuredTaskObject = (IDictionary)properties[nameof(TaskCanceledException.Task)];
var destructuredTaskProperties = Assert.IsAssignableFrom <IDictionary <string, object> >(destructuredTaskObject);
destructuredTaskProperties.Should().ContainKey(nameof(Task.Id));
destructuredTaskProperties.Should().ContainKey(nameof(Task.Status))
.WhichValue.Should().BeOfType <string>()
.Which.Should().Be(nameof(TaskStatus.Canceled));
destructuredTaskProperties.Should().ContainKey(nameof(Task.CreationOptions))
.WhichValue.Should().BeOfType <string>()
.Which.Should().Contain(nameof(TaskCreationOptions.None));
}
public void WhenObjectContainsCyclicReferencesInList_ThenRecursiveDestructureIsImmediatelyStopped()
{
// Arrange
var cyclic = new MyObjectCollection
{
Foo = "Cyclic",
};
cyclic.Reference = cyclic;
var exception = new Cyclic2Exception
{
MyObjectCollection = new MyObjectCollection(),
};
exception.MyObjectCollection.Foo = "bar";
exception.MyObjectCollection.Reference = cyclic;
// Act
var result = new ExceptionPropertiesBag(new Exception());
var destructurer = new ReflectionBasedDestructurer(10);
destructurer.Destructure(exception, result, EmptyDestructurer());
// Assert
var myObject = (List <object>)result.GetResultDictionary()[nameof(Cyclic2Exception.MyObjectCollection)];
// exception.MyObjectCollection[0] is still list
var firstLevelList = Assert.IsType <List <object> >(myObject[0]);
// exception.MyObjectCollection[0][0] we notice that we would again destructure "cyclic"
var secondLevelList = Assert.IsType <Dictionary <string, object> >(firstLevelList[0]);
Assert.Equal("Cyclic reference", secondLevelList["$ref"]);
}
// To be discussed: whether we need to keep consistent behaviour even for inner exceptions
//[Fact]
//public void WhenDestruringAggregateException_ResultShouldBeEquivalentToAggregateExceptionDestructurer()
//{
// var argumentException = ThrowAndCatchException(() => throw new ArgumentException("MESSAGE", "paramName"));
// var aggregateException = ThrowAndCatchException(() => throw new AggregateException(argumentException));
// Test_ResultOfReflectionDestructurerShouldBeEquivalentToCustomOne(aggregateException, new AggregateExceptionDestructurer());
//}
private static void Test_ResultOfReflectionDestructurerShouldBeEquivalentToCustomOne(
Exception exception,
IExceptionDestructurer customDestructurer)
{
// Arrange
var reflectionBasedResult = new ExceptionPropertiesBag(exception);
var customBasedResult = new ExceptionPropertiesBag(exception);
var reflectionBasedDestructurer = CreateReflectionBasedDestructurer();
// Act
Func <Exception, IReadOnlyDictionary <string, object> > InnerDestructure(IExceptionDestructurer destructurer)
{
return((ex) =>
{
var resultsBag = new ExceptionPropertiesBag(ex);
destructurer.Destructure(ex, resultsBag, null);
return resultsBag.GetResultDictionary();
});
}
reflectionBasedDestructurer.Destructure(exception, reflectionBasedResult, InnerDestructure(reflectionBasedDestructurer));
customDestructurer.Destructure(exception, customBasedResult, InnerDestructure(new ArgumentExceptionDestructurer()));
// Assert
var reflectionBasedDictionary = (Dictionary <string, object>)reflectionBasedResult.GetResultDictionary();
var customBasedDictionary = (Dictionary <string, object>)customBasedResult.GetResultDictionary();
reflectionBasedDictionary.Should().BeEquivalentTo(customBasedDictionary);
}
public void WhenObjectContainsCyclicReferencesInTask_ThenRecursiveDestructureIsImmediatelyStopped()
{
// Arrange
var exception = new CyclicTaskException();
var task = Task.FromException(exception);
exception.Task = task;
// Act
var result = new ExceptionPropertiesBag(exception);
var destructurer = CreateReflectionBasedDestructurer();
destructurer.Destructure(exception, result, InnerDestructurer(destructurer));
// Assert
var resultsDictionary = result.GetResultDictionary();
var destructuredTask = resultsDictionary[nameof(CyclicTaskException.Task)].Should().BeAssignableTo <IDictionary <string, object> >().Which;
var destructuredCyclicException = destructuredTask.Should().ContainKey(nameof(Task.Exception))
.WhichValue.Should().BeAssignableTo <IDictionary <string, object> >()
.Which.Should().ContainKey(nameof(AggregateException.InnerExceptions))
.WhichValue.Should().BeAssignableTo <IReadOnlyCollection <object> >()
.Which.Should().ContainSingle()
.Which.Should().BeAssignableTo <IDictionary <string, object> >().Which;
destructuredCyclicException.Should().ContainKey(nameof(Exception.Message))
.WhichValue.Should().BeOfType <string>()
.Which.Should().Contain(nameof(CyclicTaskException));
destructuredCyclicException.Should().ContainKey(nameof(CyclicTaskException.Task))
.WhichValue.Should().BeAssignableTo <IDictionary <string, object> >()
.Which.Should().ContainKey("$ref", "task was already destructured, so inner task should just contain ref");
}
public void DestructureComplexException_EachTypeOfPropertyIsDestructuredAsExpected()
{
// Arrange
var exception = ThrowAndCatchException(() => throw new TestException());
var propertiesBag = new ExceptionPropertiesBag(exception);
// Act
CreateReflectionBasedDestructurer().Destructure(exception, propertiesBag, EmptyDestructurer());
// Assert
var properties = propertiesBag.GetResultDictionary();
Assert.Equal("PublicValue", properties[nameof(TestException.PublicProperty)]);
Assert.Equal("threw System.Exception: Exception of type 'System.Exception' was thrown.", properties[nameof(TestException.ExceptionProperty)]);
Assert.DoesNotContain(properties, x => string.Equals(x.Key, "InternalProperty", StringComparison.Ordinal));
Assert.DoesNotContain(properties, x => string.Equals(x.Key, "ProtectedProperty", StringComparison.Ordinal));
Assert.DoesNotContain(properties, x => string.Equals(x.Key, "PrivateProperty", StringComparison.Ordinal));
Assert.Equal("MessageValue", properties[nameof(TestException.Message)]);
#if NET461 || NET472
Assert.StartsWith("Void DestructureComplexException_EachTypeOfPropertyIsDestructuredAsExpected(", properties[nameof(TestException.TargetSite)].ToString());
#endif
Assert.NotEmpty(properties[nameof(TestException.StackTrace)].ToString());
Assert.Equal("Serilog.Exceptions.Test", properties[nameof(TestException.Source)]);
Assert.Equal(-2146233088, properties[nameof(TestException.HResult)]);
Assert.Contains(typeof(TestException).FullName, properties["Type"].ToString(), StringComparison.Ordinal);
}
public void WhenObjectContainsCyclicReferences_ThenNoStackoverflowExceptionIsThrown()
{
// Arrange
var exception = new CyclicException
{
MyObject = new MyObject(),
};
exception.MyObject.Foo = "bar";
exception.MyObject.Reference = exception.MyObject;
exception.MyObject.Reference2 = exception.MyObject;
// Act
var result = new ExceptionPropertiesBag(new Exception());
var destructurer = new ReflectionBasedDestructurer(10);
destructurer.Destructure(exception, result, EmptyDestructurer());
// Assert
var myObject = (Dictionary <string, object>)result.GetResultDictionary()["MyObject"];
Assert.Equal("bar", myObject["Foo"]);
Assert.Equal(myObject["$id"], ((Dictionary <string, object>)myObject["Reference"])["$ref"]);
Assert.Equal(myObject["$id"], ((Dictionary <string, object>)myObject["Reference2"])["$ref"]);
Assert.Equal("1", myObject["$id"]);
}
private static Func <Exception, IReadOnlyDictionary <string, object> > InnerDestructurer(
IExceptionDestructurer destructurer) =>
(ex) =>
{
var resultsBag = new ExceptionPropertiesBag(ex);
destructurer.Destructure(ex, resultsBag, InnerDestructurer(destructurer));
return(resultsBag.GetResultDictionary());
};
public void CannotAddProperty_WhenResultWasAlreadyAquired()
{
// Arrange
var properties = new ExceptionPropertiesBag(new Exception(), null);
properties.AddProperty("key", "value");
var results = properties.GetResultDictionary();
// Act
var ex = Assert.Throws <InvalidOperationException>(() => properties.AddProperty("key2", "value2"));
// Assert
Assert.Equal("Cannot add exception property 'key2' to bag, after results were already collected", ex.Message);
}
public void CanDestructureUriProperty()
{
const string uriValue = "http://localhost/property";
var exception = new UriException("test", new Uri(uriValue));
var propertiesBag = new ExceptionPropertiesBag(exception);
CreateReflectionBasedDestructurer().Destructure(exception, propertiesBag, EmptyDestructurer());
var properties = propertiesBag.GetResultDictionary();
var uriPropertyValue = properties[nameof(UriException.Uri)];
Assert.IsType <string>(uriPropertyValue);
Assert.Equal(uriValue, uriPropertyValue);
}
public void AddedProperty_WhenFilterIsSetToIgnoreIt_IsSkipped()
{
// Arrange
var properties = new ExceptionPropertiesBag(
new Exception(),
new IgnorePropertyByNameExceptionFilter(new[] { "key" }));
// Act
properties.AddProperty("key", "value");
// Assert
var results = properties.GetResultDictionary();
Assert.Equal(0, results.Count);
}
public void AddedProperty_IsAvailableInReturnedDictionary()
{
// Arrange
var properties = new ExceptionPropertiesBag(new Exception(), null);
// Act
properties.AddProperty("key", "value");
// Assert
var results = properties.GetResultDictionary();
Assert.Equal(1, results.Count);
Assert.Contains("key", results.Keys);
var value = results["key"];
Assert.Equal("value", value);
}
private static void Test_ResultOfReflectionDestructurerShouldBeEquivalentToCustomOne(
Exception exception,
IExceptionDestructurer customDestructurer)
{
// Arrange
var reflectionBasedResult = new ExceptionPropertiesBag(exception);
var customBasedResult = new ExceptionPropertiesBag(exception);
var reflectionBasedDestructurer = CreateReflectionBasedDestructurer();
// Act
reflectionBasedDestructurer.Destructure(exception, reflectionBasedResult, InnerDestructurer(reflectionBasedDestructurer));
customDestructurer.Destructure(exception, customBasedResult, InnerDestructurer(new ArgumentExceptionDestructurer()));
// Assert
var reflectionBasedDictionary = (Dictionary <string, object>)reflectionBasedResult.GetResultDictionary();
var customBasedDictionary = (Dictionary <string, object>)customBasedResult.GetResultDictionary();
reflectionBasedDictionary.Should().BeEquivalentTo(customBasedDictionary);
}
public void AddedProperty_WhenFilterIsNotSetToIgnoreIt_IsIncluded()
{
// Arrange
var properties = new ExceptionPropertiesBag(
new Exception(),
new IgnorePropertyByNameExceptionFilter(new[] { "not key" }));
// Act
properties.AddProperty("key", "value");
// Assert
var results = properties.GetResultDictionary();
Assert.Equal(1, results.Count);
Assert.Contains("key", results.Keys);
var value = results["key"];
Assert.Equal("value", value);
}
public void CanDestructureObjectWithHiddenProperty()
{
var derived = new DerivedClass <int>
{
HiddenProperty = 123,
};
var baseClass = (BaseClass)derived;
baseClass.HiddenProperty = 456;
var exception = new HiddenException("test", derived);
var propertiesBag = new ExceptionPropertiesBag(exception);
CreateReflectionBasedDestructurer().Destructure(exception, propertiesBag, EmptyDestructurer());
var properties = propertiesBag.GetResultDictionary();
var info = properties[nameof(HiddenException.Info)] as IDictionary <string, object>;
Assert.Equal(derived.HiddenProperty, info[nameof(DerivedClass <object> .HiddenProperty)]);
Assert.Equal(baseClass.HiddenProperty, info[$"{typeof(BaseClass).FullName}.{nameof(BaseClass.HiddenProperty)}"]);
}
public void CanDestructureTask()
{
Task task = new TaskFactory <int>().StartNew(() => 12, TaskCreationOptions.LongRunning | TaskCreationOptions.PreferFairness);
var exception = new TaskCanceledException(task);
var propertiesBag = new ExceptionPropertiesBag(exception);
CreateReflectionBasedDestructurer().Destructure(exception, propertiesBag, EmptyDestructurer());
var properties = propertiesBag.GetResultDictionary();
var destructuredTaskObject = (IDictionary)properties[nameof(TaskCanceledException.Task)];
var destructuredTaskProperties = Assert.IsAssignableFrom <IDictionary <string, object> >(destructuredTaskObject);
destructuredTaskProperties.Should().ContainKey(nameof(Task.Id));
destructuredTaskProperties.Should().ContainKey(nameof(Task.Status))
.WhichValue.Should().BeOfType <string>()
.Which.Should().Be(nameof(TaskStatus.RanToCompletion));
destructuredTaskProperties.Should().ContainKey(nameof(Task.CreationOptions))
.WhichValue.Should().BeOfType <string>()
.Which.Should().Contain(nameof(TaskCreationOptions.LongRunning))
.And.Contain(nameof(TaskCreationOptions.PreferFairness));
}
public void CanDestructureUriDataItem()
{
const string uriValue = "http://localhost/data-item";
var exception = new Exception("test")
{
Data =
{
{ "UriDataItem", new Uri(uriValue) },
},
};
var propertiesBag = new ExceptionPropertiesBag(exception);
CreateReflectionBasedDestructurer().Destructure(exception, propertiesBag, EmptyDestructurer());
var properties = propertiesBag.GetResultDictionary();
var data = (IDictionary)properties[nameof(Exception.Data)];
var uriDataValue = data["UriDataItem"];
Assert.IsType <string>(uriDataValue);
Assert.Equal(uriValue, uriDataValue);
}
public void CanDestructureStructDataItem()
{
// Arrange
var exception = new Exception("test");
exception.Data["data"] = new TestStruct()
{
ValueType = 10,
ReferenceType = "ABC",
};
var propertiesBag = new ExceptionPropertiesBag(exception);
// Act
CreateReflectionBasedDestructurer().Destructure(exception, propertiesBag, EmptyDestructurer());
// Assert
var properties = propertiesBag.GetResultDictionary();
var data = (IDictionary)properties[nameof(Exception.Data)];
var testStructDataValue = data["data"];
Assert.IsAssignableFrom <TestStruct>(testStructDataValue);
}
public void CanDestructureFaultedTask()
{
var taskException = new Exception("INNER EXCEPTION MESSAGE");
var task = Task.FromException(taskException);
var exception = new TaskException("TASK EXCEPTION MESSAGE", task);
var propertiesBag = new ExceptionPropertiesBag(exception);
CreateReflectionBasedDestructurer().Destructure(exception, propertiesBag, InnerDestructurer(CreateReflectionBasedDestructurer()));
var properties = propertiesBag.GetResultDictionary();
var destructuredTaskObject = (IDictionary)properties[nameof(TaskCanceledException.Task)];
var destructuredTaskProperties = Assert.IsAssignableFrom <IDictionary <string, object> >(destructuredTaskObject);
destructuredTaskProperties.Should().ContainKey(nameof(Task.Id));
destructuredTaskProperties.Should().ContainKey(nameof(Task.Status))
.WhichValue.Should().BeOfType <string>()
.Which.Should().Be(nameof(TaskStatus.Faulted));
destructuredTaskProperties.Should().ContainKey(nameof(Task.CreationOptions))
.WhichValue.Should().BeOfType <string>()
.Which.Should().Be(nameof(TaskCreationOptions.None));
var taskFirstLevelExceptionDictionary = destructuredTaskProperties.Should().ContainKey(nameof(Task.Exception))
.WhichValue.Should().BeAssignableTo <IDictionary <string, object> >()
.Which;
taskFirstLevelExceptionDictionary.Should().ContainKey("Message")
.WhichValue.Should().BeOfType <string>()
.Which.Should().Contain("One or more errors occurred.", "task's first level exception is aggregate exception");
taskFirstLevelExceptionDictionary.Should().ContainKey("InnerExceptions")
.WhichValue.Should().BeAssignableTo <IReadOnlyCollection <object> >()
.Which.Should().ContainSingle()
.Which.Should().BeAssignableTo <IDictionary <string, object> >()
.Which.Should().ContainKey("Message")
.WhichValue.Should().BeOfType <string>()
.Which.Should().Be("INNER EXCEPTION MESSAGE");
}
public void WhenObjectContainsCyclicReferencesInDict_ThenRecursiveDestructureIsImmediatelyStopped()
{
// Arrange
var cyclic = new MyObjectDict
{
Foo = "Cyclic",
Reference = new Dictionary <string, object>(),
};
cyclic.Reference["x"] = cyclic.Reference;
var exception = new CyclicDictException
{
MyObjectDict = cyclic,
};
// Act
var result = new ExceptionPropertiesBag(new Exception());
var destructurer = new ReflectionBasedDestructurer(10);
destructurer.Destructure(exception, result, EmptyDestructurer());
// Assert
var myObject = (Dictionary <string, object>)result.GetResultDictionary()["MyObjectDict"];
// exception.MyObjectDict["Reference"] is still regular dictionary
var firstLevelDict = Assert.IsType <Dictionary <string, object> >(myObject["Reference"]);
var id = firstLevelDict["$id"];
Assert.Equal("1", id);
// exception.MyObjectDict["Reference"]["x"] we notice that we are destructuring same dictionary
var secondLevelDict = Assert.IsType <Dictionary <string, object> >(firstLevelDict["x"]);
var refId = Assert.IsType <string>(secondLevelDict["$ref"]);
Assert.Equal(id, refId);
}
public void CanDestructureClassDataItem()
{
// Arrange
var exception = new Exception("test");
exception.Data["data"] = new TestClass()
{
ValueType = 10,
ReferenceType = "ABC",
};
var propertiesBag = new ExceptionPropertiesBag(exception);
// Act
CreateReflectionBasedDestructurer().Destructure(exception, propertiesBag, EmptyDestructurer());
// Assert
var properties = propertiesBag.GetResultDictionary();
var data = (IDictionary)properties[nameof(Exception.Data)];
var testStructDataValue = data["data"];
var destructuredStructDictionary = Assert.IsAssignableFrom <IDictionary <string, object> >(testStructDataValue);
Assert.Equal(10, destructuredStructDictionary[nameof(TestClass.ValueType)]);
Assert.Equal("ABC", destructuredStructDictionary[nameof(TestClass.ReferenceType)]);
}
