public void AppendTo_sets_message_type_and_alternatives_for_a_versioned_message()
{
var typeNameSerialiser = new DefaultTypeNameSerializer();
var property = MessageTypeProperty.CreateForMessageType(typeof(MyMessageV2), typeNameSerialiser);
var properties = new MessageProperties();
property.AppendTo(properties);
Assert.Equal(properties.Type, typeNameSerialiser.Serialize(typeof(MyMessageV2)));
Assert.Equal(properties.Headers[AlternativeMessageTypesHeaderKey], typeNameSerialiser.Serialize(typeof(MyMessage)));
}
public void MessageTypeProperty_is_created_correctly_from_message_properties_for_versioned_message()
{
var typeNameSerialiser = new DefaultTypeNameSerializer();
var properties = new MessageProperties {
Type = typeNameSerialiser.Serialize(typeof(MyMessageV2))
};
var encodedAlternativeMessageTypes = Encoding.UTF8.GetBytes(typeNameSerialiser.Serialize(typeof(MyMessage)));
properties.Headers.Add(AlternativeMessageTypesHeaderKey, encodedAlternativeMessageTypes);
var property = MessageTypeProperty.ExtractFromProperties(properties, typeNameSerialiser);
var messageType = property.GetMessageType();
Assert.Equal(typeof(MyMessageV2), messageType);
}
public string Serialize(Type type)
{
if (_typeToName.TryGetValue(type, out var alias))
{
return(alias);
}
return(_defaultTypeNameSerializer.Serialize(type));
}
public void GetType_returns_first_available_alternative_if_message_type_unavailable()
{
var typeNameSerialiser = new DefaultTypeNameSerializer();
var v1 = typeNameSerialiser.Serialize(typeof(MyMessage));
var v2 = typeNameSerialiser.Serialize(typeof(MyMessageV2));
var vUnknown = v2.Replace("MyMessageV2", "MyUnknownMessage");
var alternativeTypes = string.Concat(v2, ";", v1);
var encodedAlternativeTypes = Encoding.UTF8.GetBytes(alternativeTypes);
var properties = new MessageProperties {
Type = vUnknown
};
properties.Headers.Add(AlternativeMessageTypesHeaderKey, encodedAlternativeTypes);
var property = MessageTypeProperty.ExtractFromProperties(properties, typeNameSerialiser);
var messageType = property.GetMessageType();
Assert.Equal(typeof(MyMessageV2), messageType);
}
public void MessageTypeProperty_is_created_correctly_from_message_properties_for_unversioned_message()
{
var typeNameSerialiser = new DefaultTypeNameSerializer();
var properties = new MessageProperties {
Type = typeNameSerialiser.Serialize(typeof(MyMessage))
};
var property = MessageTypeProperty.ExtractFromProperties(properties, typeNameSerialiser);
var messageType = property.GetMessageType();
Assert.Equal(typeof(MyMessage), messageType);
}
public void GetType_throws_exception_if_all_types_unavailable()
{
var typeNameSerialiser = new DefaultTypeNameSerializer();
var v2 = typeNameSerialiser.Serialize(typeof(MyMessageV2));
var vUnknown1 = v2.Replace("MyMessageV2", "MyUnknownMessage");
var vUnknown2 = v2.Replace("MyMessageV2", "MyUnknownMessageV2");
var vUnknown3 = v2.Replace("MyMessageV2", "MyUnknownMessageV3");
var alternativeTypes = string.Concat(vUnknown2, ";", vUnknown1);
var encodedAlternativeTypes = Encoding.UTF8.GetBytes(alternativeTypes);
var properties = new MessageProperties {
Type = vUnknown3
};
properties.Headers.Add(AlternativeMessageTypesHeaderKey, encodedAlternativeTypes);
var property = MessageTypeProperty.ExtractFromProperties(properties, typeNameSerialiser);
Assert.Throws <EasyNetQException>(() => property.GetMessageType());
}