/// <summary>
/// Clones the given <see cref="System.Collections.IEnumerable"/> concrete implementation
/// </summary>
/// <param name="enumerable">The <see cref="System.Collections.IEnumerable"/> to clone</param>
/// <param name="configuration">Configuration to use to determine how to clone the whole enumerable</param>
/// <returns>The cloned enumerable</returns>
internal static IEnumerable CloneEnumerable(this IEnumerable enumerable, IObjectChangeTrackingConfiguration configuration)
{
Contract.Requires(() => enumerable != null, "Given enumerable must be a non-null reference");
Type collectionType = configuration.Collections.GetImplementation(enumerable.GetType()).Value.Type;
Type collectionItemType = enumerable.GetCollectionItemType();
List <Type> collectionTypeArguments = new List <Type>();
if (collectionItemType.GetTypeInfo().IsGenericType&& collectionItemType.GetGenericTypeDefinition() == typeof(KeyValuePair <,>))
{
collectionTypeArguments.AddRange(collectionItemType.GenericTypeArguments);
}
else
{
collectionTypeArguments.Add(enumerable.GetCollectionItemType());
}
IEnumerable collectionClone = (IEnumerable)collectionType
.CreateInstanceWithGenericArgs(null, collectionTypeArguments.ToArray());
Type collectionInterface = collectionClone.GetType()
.GetInterfaces()
.Single(t => t.GetTypeInfo().IsGenericType&& t.GetGenericTypeDefinition() == typeof(ICollection <>));
MethodInfo addMethod = collectionInterface.GetMethod("Add", BindingFlags.Instance | BindingFlags.Public);
foreach (object item in enumerable)
{
addMethod.Invoke(collectionClone, new[] { item });
}
return(collectionClone);
}
public static void Init(TestContext context)
{
Configuration = ObjectChangeTracking.CreateConfiguration()
.TrackThisType <A>()
.TrackThisType <TestDynamicObject>();
TrackableObjectFactory = Configuration.CreateTrackableObjectFactory();
}
public static void Init(TestContext context)
{
IObjectChangeTrackingConfiguration config = ObjectChangeTracking.CreateConfiguration();
config.TrackThisType <IWhatever>();
TrackableObjectFactory = config.CreateTrackableObjectFactory();
}
public void Initialize()
{
IObjectChangeTrackingConfiguration config = ObjectChangeTracking.CreateConfiguration();
config.TrackThisTypeRecursive <Class0>();
_trackableObjectFactory = config.CreateTrackableObjectFactory();
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="targetObject">The object to track its changes</param>
public ObjectChangeTracker(IObjectChangeTrackingConfiguration configuration, ITrackableObjectFactoryInternal trackableObjectFactory, object targetObject)
{
Contract.Requires(() => targetObject != null);
Configuration = configuration;
TrackableObjectFactory = trackableObjectFactory;
_targetObject = targetObject;
_targetObjectType = targetObject.GetType();
}
public ObjectPropertyChangeTracking(IObjectChangeTrackingConfiguration configuration, ITrackableObjectFactoryInternal trackableObjectFactory, ObjectChangeTracker tracker, object targetObject, string propertyName, object currentValue)
{
Configuration = configuration;
TrackableObjectFactory = trackableObjectFactory;
_tracker = tracker;
_targetObject = targetObject;
PropertyName = propertyName;
OldValue = currentValue;
CurrentValue = currentValue;
}
public DeclaredObjectPropertyChangeTracking(IObjectChangeTrackingConfiguration configuration, ITrackableObjectFactoryInternal trackableObjectFactory, ObjectChangeTracker tracker, object targetObject, PropertyInfo ownerProperty, PropertyInfo property, object currentValue)
{
Configuration = configuration;
TrackableObjectFactory = trackableObjectFactory;
Tracker = tracker;
TargetObject = targetObject;
Property = property;
OldValue = currentValue;
CurrentValue = currentValue;
}
public TrackableType(IObjectChangeTrackingConfiguration configuration, Type type)
{
//Contract.Requires(type != null, "Give type reference must be non-null");
Contract.Assert((type.IsClass && !type.IsSealed) || type.IsInterface, $"Given type '{type.AssemblyQualifiedName}' must be either a non-sealed class or an interface");
_type = type;
_objectPaths = new Lazy <IImmutableSet <IObjectPropertyInfo> >
(
() => Type.BuildAllPropertyPaths(p => configuration.CanTrackType(p.DeclaringType))
.Cast <IObjectPropertyInfo>()
.ToImmutableHashSet()
);
}
public void CanConfigureAbstractClass()
{
IObjectChangeTrackingConfiguration config = ObjectChangeTracking.CreateConfiguration();
config.TrackTypesFromAssembly(typeof(ConfigurationTest).GetTypeInfo().Assembly, searchSettings: new TypeSearchSettings
{
Mode = TypeSearchMode.AttributeConfigurationOnly,
/*Filter = t => t == typeof(AbstractClass) || t == typeof(DerivesAbstractClass),*/
Recursive = true
});
ITrackableObjectFactory factory = config.CreateTrackableObjectFactory();
var x = factory.CreateFrom(new DerivesAbstractClass());
}
public void ConfiguresClassWithAllPropertiesExceptingNonTrackable()
{
IObjectChangeTrackingConfiguration config = ObjectChangeTracking.CreateConfiguration();
config.TrackTypesFromAssembly(typeof(ConfigurationTest).GetTypeInfo().Assembly, searchSettings: new TypeSearchSettings
{
Mode = TypeSearchMode.AttributeConfigurationOnly,
Filter = t => t == typeof(TwoPropertiesOneTrackable)
});
ITrackableType trackableType = config.TrackableTypes.Single();
Assert.AreEqual(1, trackableType.IncludedProperties.Count);
Assert.AreEqual("Text", trackableType.IncludedProperties.Single().Name);
}
public void CanConfigureClassWithMultipleConstructors()
{
IObjectChangeTrackingConfiguration config = ObjectChangeTracking.CreateConfiguration();
config.TrackTypesFromAssembly(typeof(ConfigurationTest).GetTypeInfo().Assembly, searchSettings: new TypeSearchSettings
{
Mode = TypeSearchMode.AttributeConfigurationOnly,
Filter = t => t == typeof(WithMultipleConstructors)
});
ITrackableObjectFactory factory = config.CreateTrackableObjectFactory();
WithMultipleConstructors instance = factory.CreateFrom(new WithMultipleConstructors());
Assert.IsNotNull(instance);
}
public void ConfiguresClassWithAllProperties()
{
IObjectChangeTrackingConfiguration config = ObjectChangeTracking.CreateConfiguration();
config.TrackTypesFromAssembly(typeof(ConfigurationTest).GetTypeInfo().Assembly, searchSettings: new TypeSearchSettings
{
Mode = TypeSearchMode.AttributeConfigurationOnly,
Filter = t => t == typeof(AllProperties)
});
ITrackableType trackableType = config.TrackableTypes.Single();
Assert.AreEqual(2, trackableType.IncludedProperties.Count);
Assert.IsTrue(trackableType.IncludedProperties.Any(p => p.Name == "Text"));
Assert.IsTrue(trackableType.IncludedProperties.Any(p => p.Name == "Text2"));
}
public static void Init(TestContext context)
{
Configuration = ObjectChangeTracking.CreateConfiguration()
.TrackThisType <A>(t => t.IncludeProperty(a => a.Items))
.TrackThisType <B>(t => t.IncludeProperty(b => b.Dogs))
.TrackThisType <C>(t => t.IncludeProperty(c => c.Dogs))
.TrackThisType <Dog>(t => t.IncludeProperty(d => d.Name))
.TrackThisType <D>()
.TrackThisType <E>(t => t.IncludeProperty(e => e.Dictionary))
.TrackThisType <F>(t => t.IncludeProperty(f => f.ListOfF))
.TrackThisType <G>(t => t.IncludeProperty(g => g.Buffer))
.TrackThisType <WhateverBase>(t => t.IncludeProperty(w => w.List2))
.TrackThisType <WhateverParent>(t => t.IncludeProperty(w => w.List));
TrackableObjectFactory = Configuration.CreateTrackableObjectFactory();
}
public void CanConfigureWithNestedTypes()
{
IObjectChangeTrackingConfiguration config = ObjectChangeTracking.CreateConfiguration();
config.TrackTypesFromAssembly(typeof(ConfigurationTest).GetTypeInfo().Assembly, searchSettings: new TypeSearchSettings
{
Mode = TypeSearchMode.AttributeConfigurationOnly,
Filter = t => t == typeof(ClassWithNestedEnum) || t == typeof(DerivedClassWithNestedEnum)
});
ITrackableObjectFactory factory = config.CreateTrackableObjectFactory();
DerivedClassWithNestedEnum instance = factory.CreateOf <DerivedClassWithNestedEnum>();
Assert.IsNotNull(instance);
}
/// <summary>
/// Iterates the given enumerable and returns an instance of given target collection type configured implementation
/// where each item will be also converted to untracked objects.
/// </summary>
/// <param name="enumerable">The whole enumerable to untrack</param>
/// <param name="targetCollectionType">The whole target collection type. This type should be a supported trackable collection type</param>
/// <returns>A copy of source enumerable turned into an untracked collection</returns>
public static IEnumerable ToUntrackedEnumerable(this IEnumerable enumerable, Type targetCollectionType)
{
Contract.Requires(() => targetCollectionType != null, "Target collection type cannot be a non-null reference");
if (enumerable != null)
{
Type collectionItemType = enumerable.GetCollectionItemType();
List <Type> collectionTypeArguments = new List <Type>();
if (collectionItemType.GetTypeInfo().IsGenericType&& collectionItemType.GetGenericTypeDefinition() == typeof(KeyValuePair <,>))
{
collectionTypeArguments.AddRange(collectionItemType.GenericTypeArguments);
}
else
{
collectionTypeArguments.Add(enumerable.GetCollectionItemType());
}
IObjectChangeTrackingConfiguration configuration = ((IChangeTrackableCollection)enumerable).GetChangeTrackingContext().Configuration;
IEnumerable enumerableCopy =
(IEnumerable)configuration.Collections.GetImplementation(targetCollectionType)
.Value.Type.CreateInstanceWithGenericArgs(null, collectionTypeArguments.ToArray());
Type collectionInterface = enumerableCopy.GetType()
.GetInterfaces()
.Single(t => t.GetTypeInfo().IsGenericType&& t.GetGenericTypeDefinition() == typeof(ICollection <>));
MethodInfo addMethod = collectionInterface.GetMethod("Add", BindingFlags.Instance | BindingFlags.Public);
Contract.Assert(() => addMethod != null);
foreach (object item in enumerable)
{
addMethod.Invoke(enumerableCopy, new[] { item.ToUntypedUntracked() });
}
return(enumerableCopy);
}
else
{
return(null);
}
}
public void ConfiguresWithAttributesOnly()
{
IObjectChangeTrackingConfiguration config = ObjectChangeTracking.CreateConfiguration();
config.TrackTypesFromAssembly(typeof(ConfigurationTest).Assembly, searchSettings: new TypeSearchSettings
{
Mode = TypeSearchMode.AttributeConfigurationOnly,
Filter = t => t.ReflectedType == typeof(ConfigurationTest)
});
IList <Type> trackables = config.TrackableTypes.Select(t => t.Type).ToList();
Assert.IsTrue(config.TrackableTypes.Count > 0);
Assert.IsTrue(trackables.Contains(typeof(AllProperties)));
Assert.IsTrue(trackables.Contains(typeof(AllPropertiesExceptingNonTrackable)));
Assert.IsTrue(trackables.Contains(typeof(TwoPropertiesOneTrackable)));
Assert.IsFalse(trackables.Contains(typeof(NoAttributes)));
}
public void CanConfigureClassWithReadOnlyProperties()
{
IObjectChangeTrackingConfiguration config = ObjectChangeTracking.CreateConfiguration();
config.TrackTypesFromAssembly(typeof(ConfigurationTest).GetTypeInfo().Assembly, searchSettings: new TypeSearchSettings
{
Mode = TypeSearchMode.AttributeConfigurationOnly,
Filter = t => t == typeof(ClassWithReadOnlyProperties)
});
ITrackableObjectFactory factory = config.CreateTrackableObjectFactory();
ClassWithReadOnlyProperties instance = factory.CreateFrom(new ClassWithReadOnlyProperties());
instance.Text = "hey";
IObjectChangeTracker tracker = instance.GetChangeTracker();
Assert.AreEqual(1, tracker.ChangedProperties.Count);
Assert.AreEqual(1, ((ObjectChangeTracker)tracker).PropertyTrackings.Count);
}
public void CanConfigureNonTrackablePropertiesFromBaseClasses()
{
IObjectChangeTrackingConfiguration config = ObjectChangeTracking.CreateConfiguration();
config.TrackTypesFromAssembly(typeof(ConfigurationTest).GetTypeInfo().Assembly, searchSettings: new TypeSearchSettings
{
Mode = TypeSearchMode.AttributeConfigurationOnly,
Recursive = true,
Filter = t =>
{
return(t.DeclaringType == typeof(ConfigurationTest));
}
});
ITrackableObjectFactory trackableObjectFactory = config.CreateTrackableObjectFactory();
DerivedClassOfBaseClassWithNonTrackableProperty obj = trackableObjectFactory.CreateOf <DerivedClassOfBaseClassWithNonTrackableProperty>();
IObjectChangeTracker changeTracker = obj.GetChangeTracker();
Assert.AreEqual(1, changeTracker.Count());
Assert.IsTrue(changeTracker.First().PropertyName == "Text2");
}
// TODO: Remove?
/// <summary>
/// Turns all objects into change-trackable ones found in the given sequence.
/// </summary>
/// <typeparam name="T">The type of objects</typeparam>
/// <param name="enumerable">The sequence of objects to turn into change-trackable ones</param>
/// <param name="parentObjectProperty">The collection property representing the association to some object</param>
/// <param name="parentObject">The parent object that owns the association of the collection</param>
/// <returns>The already converted objects into change-trackable ones</returns>
public static IEnumerable <T> MakeAllTrackable <T>(this IEnumerable <T> enumerable, IObjectChangeTrackingConfiguration configuration, ITrackableObjectFactory trackableObjectFactory, PropertyInfo parentObjectProperty, IChangeTrackableObject parentObject)
where T : class
{
Contract.Requires(() => enumerable != null, "Given enumerable must be a non-null reference to turn its objects into trackable ones");
Contract.Requires(() => parentObjectProperty != null, "A reference to property which holds the enumerable is mandatory");
Contract.Requires(() => parentObject != null, "The instance of the object where the property holding the enumerable is declared is mandatory");
Contract.Requires(() => parentObjectProperty.DeclaringType.GetActualTypeIfTrackable().IsAssignableFrom(parentObject.GetActualTypeIfTrackable()), "Given property holding the enumerable must be declared on the given parent object type");
if (enumerable.Count() > 0 &&
configuration.CanTrackType(enumerable.First().GetType()))
{
List <T> result = new List <T>();
foreach (T item in enumerable)
{
IChangeTrackableObject trackableObject = item as IChangeTrackableObject;
if (trackableObject == null)
{
trackableObject = (IChangeTrackableObject)trackableObjectFactory.CreateFrom(item);
trackableObject.PropertyChanged += (sender, e) =>
parentObject.RaisePropertyChanged(parentObject, parentObjectProperty.Name);
}
result.Add((T)trackableObject);
}
Contract.Assert(() => result.Count == enumerable.Count(), "New sequence with objects turned into trackable ones must match the count of source sequence");
return(result);
}
else
{
return(enumerable);
}
}
public TrackableType(IObjectChangeTrackingConfiguration configuration)
: base(configuration, typeof(T))
{
}
public ChangeTrackableObjectMixin(IObjectChangeTrackingConfiguration configuration, ITrackableObjectFactoryInternal trackableObjectFactory)
{
ChangeTrackingContext.Configuration = configuration;
TrackableObjectFactory = trackableObjectFactory;
}
public void CanReplaceCollectionChangeTrackingImplementation()
{
IObjectChangeTrackingConfiguration config = ObjectChangeTracking.CreateConfiguration();
config.Collections.AddOrUpdateImplementation <ICollection <string>, List <string>, DefaultCollectionChangeInterceptor <string> >();
}
public SimplePropertyInterceptionHook(IObjectChangeTrackingConfiguration configuration)
{
Configuration = configuration;
}
public TrackableObjectFactoryInternal(IObjectChangeTrackingConfiguration configuration)
{
Configuration = configuration;
}
public CollectionPropertyInterceptor(IObjectChangeTrackingConfiguration configuration, ITrackableObjectFactory trackableObjectFactory)
{
Configuration = configuration;
TrackableObjectFactory = trackableObjectFactory;
}
public AttributeConfigurationBuilder(IObjectChangeTrackingConfiguration config)
{
Configuration = config;
}
public DynamicObjectInterceptor(IObjectChangeTrackingConfiguration configuration, ITrackableObjectFactory trackableObjectFactory)
{
Configuration = configuration;
TrackableObjectFactory = trackableObjectFactory;
}
