public void TestAllValuesGoBackToTheirDefaults()
{
var classMap = new BsonClassMap <TestClass>(cm =>
{
cm.SetCreator(() => { throw new Exception("will get reset."); });
cm.MapMember(x => x.String);
cm.SetDiscriminator("blah");
cm.SetDiscriminatorIsRequired(true);
cm.MapExtraElementsMember(x => x.ExtraElements);
cm.MapIdMember(x => x.OId);
cm.SetIgnoreExtraElements(false);
cm.SetIgnoreExtraElementsIsInherited(true);
cm.SetIsRootClass(true);
cm.AddKnownType(typeof(InheritedTestClass));
});
classMap.Reset();
classMap.Freeze();
Assert.DoesNotThrow(() => classMap.CreateInstance());
Assert.AreEqual(0, classMap.DeclaredMemberMaps.Count());
Assert.AreEqual("TestClass", classMap.Discriminator);
Assert.IsFalse(classMap.DiscriminatorIsRequired);
Assert.IsNull(classMap.ExtraElementsMemberMap);
Assert.IsNull(classMap.IdMemberMap);
Assert.IsTrue(classMap.IgnoreExtraElements);
Assert.IsFalse(classMap.IgnoreExtraElementsIsInherited);
Assert.IsFalse(classMap.IsRootClass);
Assert.AreEqual(0, classMap.KnownTypes.Count());
}
public void SetOrder_not_called()
{
var cm = new BsonClassMap <C>();
cm.AutoMap();
cm.Freeze();
cm.AllMemberMaps.Select(m => m.MemberName).Should().Equal("Id", "X", "Y");
}
public void SetOrder_Id_2_X_1_called()
{
var cm = new BsonClassMap <C>();
cm.AutoMap();
cm.GetMemberMap("Id").SetOrder(2);
cm.GetMemberMap("X").SetOrder(1);
cm.Freeze();
cm.AllMemberMaps.Select(m => m.MemberName).Should().Equal("X", "Id", "Y");
}
private IBsonSerializer BuildProjectedSerializer(ProjectionMapping mapping)
{
// We are building a serializer specifically for a projected type based
// on serialization information collected from other serializers.
// We cannot cache this in the serializer registry because the compiler reuses
// the same anonymous type definition in different contexts as long as they
// are structurally equatable. As such, it might be that two different queries
// projecting the same shape might need to be deserialized differently.
var classMapType = typeof(BsonClassMap <>).MakeGenericType(mapping.Expression.Type);
BsonClassMap classMap = (BsonClassMap)Activator.CreateInstance(classMapType);
foreach (var memberMapping in mapping.Members)
{
var serializationExpression = memberMapping.Expression as ISerializationExpression;
if (serializationExpression == null)
{
var serializer = Build(memberMapping.Expression);
var serializationInfo = new BsonSerializationInfo(
memberMapping.Member.Name,
serializer,
TypeHelper.GetMemberType(memberMapping.Member));
serializationExpression = new SerializationExpression(
memberMapping.Expression,
serializationInfo);
}
var memberMap = classMap.MapMember(memberMapping.Member)
.SetSerializer(serializationExpression.SerializationInfo.Serializer)
.SetElementName(memberMapping.Member.Name);
if (classMap.IdMemberMap == null && serializationExpression is IdExpression)
{
classMap.SetIdMember(memberMap);
}
}
var mappedParameters = mapping.Members
.Where(x => x.Parameter != null)
.OrderBy(x => x.Parameter.Position)
.Select(x => x.Member)
.ToList();
if (mappedParameters.Count > 0)
{
classMap.MapConstructor(mapping.Constructor)
.SetArguments(mappedParameters);
}
var serializerType = typeof(BsonClassMapSerializer <>).MakeGenericType(mapping.Expression.Type);
return((IBsonSerializer)Activator.CreateInstance(serializerType, classMap.Freeze()));
}
public void TestSetCreator()
{
var classMap = new BsonClassMap <B>(cm =>
{
cm.AutoMap();
cm.SetCreator(() => new B(10));
});
classMap.Freeze();
var instance = (B)classMap.CreateInstance();
Assert.AreEqual(10, instance.A);
}
private IBsonSerializer BuildSerializerForAnonymousType(NewExpression node)
{
// We are building a serializer specifically for an anonymous type based
// on serialization information collected from other serializers.
// We cannot cache this because the compiler reuses the same anonymous type
// definition in different contexts as long as they are structurally equatable.
// As such, it might be that two different queries projecting the same shape
// might need to be deserialized differently.
var classMapType = typeof(BsonClassMap <>).MakeGenericType(node.Type);
BsonClassMap classMap = (BsonClassMap)Activator.CreateInstance(classMapType);
var properties = node.Type.GetProperties();
var parameterToPropertyMap = from parameter in node.Constructor.GetParameters()
join property in properties on parameter.Name equals property.Name
select new { Parameter = parameter, Property = property };
foreach (var parameterToProperty in parameterToPropertyMap)
{
var argument = node.Arguments[parameterToProperty.Parameter.Position];
var serializationExpression = argument as ISerializationExpression;
if (serializationExpression == null)
{
var serializer = Build(argument);
var serializationInfo = new BsonSerializationInfo(parameterToProperty.Property.Name, serializer, parameterToProperty.Property.PropertyType);
serializationExpression = new SerializationExpression(
node.Arguments[parameterToProperty.Parameter.Position],
serializationInfo);
}
var memberMap = classMap.MapMember(parameterToProperty.Property)
.SetSerializer(serializationExpression.SerializationInfo.Serializer)
.SetElementName(parameterToProperty.Property.Name);
if (classMap.IdMemberMap == null && serializationExpression is IdExpression)
{
classMap.SetIdMember(memberMap);
}
//TODO: Need to set default value as well...
}
// Anonymous types are immutable and have all their values passed in via a ctor.
classMap.MapConstructor(node.Constructor, properties.Select(x => x.Name).ToArray());
classMap.Freeze();
var serializerType = typeof(BsonClassMapSerializer <>).MakeGenericType(node.Type);
return((IBsonSerializer)Activator.CreateInstance(serializerType, classMap));
}
public static List <BsonDocument> ApplyLookup <TSource>(this IFindFluent <TSource, TSource> findFluent, FilterDefinition <TSource> filterDefinition)
{
var bsonClassMap = new BsonClassMap(typeof(TSource));
bsonClassMap.AutoMap();
bsonClassMap.Freeze();
var serializer = new BsonClassMapSerializer <TSource>(bsonClassMap);
var bsonDocument = filterDefinition.Render(serializer, new BsonSerializerRegistry());
var propertyInfo = typeof(TSource).GetProperty("Lookup");
if (propertyInfo == null)
{
return(new List <BsonDocument>());
}
var lookups = (Dictionary <string, EntityLookup>)propertyInfo.GetValue("Lookup");
var bsonDocuments = new List <BsonDocument>();
foreach (var lookup in lookups)
{
bsonDocuments.Add(new BsonDocument
{
{
"$lookup", new BsonDocument
{
{ "from", lookup.Value.From }, { "foreignField", lookup.Value.ForeignField },
{ "localField", lookup.Value.LocalField }, { "as", lookup.Value.As }
}
}
});
bsonDocuments.Add(new BsonDocument
{
{ "$unwind", new BsonDocument {
{ "path", $"${lookup.Value.As}" }, { "preserveNullAndEmptyArrays", true }
} }
});
}
bsonDocuments.Insert(0, new BsonDocument {
{ "$match", bsonDocument }
});
return(bsonDocuments);
}
public void TestUnmap()
{
var classMap = new BsonClassMap <C>(cm => {
cm.AutoMap();
cm.SetIdMember(cm.GetMemberMap("Id"));
cm.UnmapField("Id");
cm.UnmapField("FieldUnmappedByName");
cm.UnmapField(c => c.FieldUnmappedByLambda);
cm.UnmapProperty("PropertyUnmappedByName");
cm.UnmapProperty(c => c.PropertyUnmappedByLambda);
});
classMap.Freeze();
Assert.IsNull(classMap.IdMemberMap);
Assert.AreEqual(1, classMap.MemberMaps.Count());
var memberMap = classMap.MemberMaps.Single();
Assert.AreEqual("X", memberMap.MemberName);
}
public void TestSetCreator()
{
var classMap = new BsonClassMap<B>(cm =>
{
cm.AutoMap();
cm.SetCreator(() => new B(10));
});
classMap.Freeze();
var instance = (B)classMap.CreateInstance();
Assert.AreEqual(10, instance.A);
}
public void TestUnmap()
{
var classMap = new BsonClassMap<C>(cm =>
{
cm.AutoMap();
cm.SetIdMember(cm.GetMemberMap("Id"));
cm.UnmapField("Id");
cm.UnmapField("FieldUnmappedByName");
cm.UnmapField(c => c.FieldUnmappedByLambda);
cm.UnmapProperty("PropertyUnmappedByName");
cm.UnmapProperty(c => c.PropertyUnmappedByLambda);
});
classMap.Freeze();
Assert.IsNull(classMap.IdMemberMap);
Assert.AreEqual(1, classMap.AllMemberMaps.Count());
var memberMap = classMap.AllMemberMaps.Single();
Assert.AreEqual("X", memberMap.MemberName);
}
public void TestAllValuesGoBackToTheirDefaults()
{
var classMap = new BsonClassMap<TestClass>(cm =>
{
cm.SetCreator(() => { throw new Exception("will get reset."); });
cm.MapMember(x => x.String);
cm.SetDiscriminator("blah");
cm.SetDiscriminatorIsRequired(true);
cm.MapExtraElementsMember(x => x.ExtraElements);
cm.MapIdMember(x => x.OId);
cm.SetIgnoreExtraElements(false);
cm.SetIgnoreExtraElementsIsInherited(true);
cm.SetIsRootClass(true);
cm.AddKnownType(typeof(InheritedTestClass));
});
classMap.Reset();
classMap.Freeze();
Assert.DoesNotThrow(() => classMap.CreateInstance());
Assert.AreEqual(0, classMap.DeclaredMemberMaps.Count());
Assert.AreEqual("TestClass", classMap.Discriminator);
Assert.IsFalse(classMap.DiscriminatorIsRequired);
Assert.IsNull(classMap.ExtraElementsMemberMap);
Assert.IsNull(classMap.IdMemberMap);
Assert.IsTrue(classMap.IgnoreExtraElements);
Assert.IsFalse(classMap.IgnoreExtraElementsIsInherited);
Assert.IsFalse(classMap.IsRootClass);
Assert.AreEqual(0, classMap.KnownTypes.Count());
}