public void Should_include_full_type_name_when_missing_map()
{
QueryMapperHelper
.MissingMapException(typeof(QueryMapperHelperTests), typeof(QueryMapperHelperTests))
.Message.ShouldStartWith(
"Missing map from " + typeof(QueryMapperHelperTests).FullName
);
}
public void CheckProjection()
{
if (Projection)
{
throw new AutoMapperConfigurationException(
"CreateProjection works with ProjectTo, not with Map.",
QueryMapperHelper.MissingMapException(Types)
);
}
}
public Expression CreateMapExpression(ExpressionRequest request, Expression instanceParameter, ConcurrentDictionary <ExpressionRequest, int> typePairCount)
{
var typeMap = _configurationProvider.ResolveTypeMap(request.SourceType,
request.DestinationType);
if (typeMap == null)
{
throw QueryMapperHelper.MissingMapException(request.SourceType, request.DestinationType);
}
var parameterReplacer = instanceParameter is ParameterExpression ? new ParameterReplacementVisitor(instanceParameter) : null;
var customProjection = typeMap.CustomProjection;
if (customProjection != null)
{
return(parameterReplacer == null ? customProjection.Body : parameterReplacer.Visit(customProjection.Body));
}
var bindings = new List <MemberBinding>();
var visitCount = typePairCount.AddOrUpdate(request, 0, (tp, i) => i + 1);
if (visitCount >= typeMap.MaxDepth)
{
if (_configurationProvider.AllowNullDestinationValues)
{
return(null);
}
}
else
{
bindings = CreateMemberBindings(request, typeMap, instanceParameter, typePairCount);
}
Expression constructorExpression = typeMap.DestinationConstructorExpression(instanceParameter);
if (parameterReplacer != null)
{
constructorExpression = parameterReplacer.Visit(constructorExpression);
}
var visitor = new NewFinderVisitor();
visitor.Visit(constructorExpression);
var expression = Expression.MemberInit(
visitor.NewExpression,
bindings.ToArray()
);
return(expression);
}
private Expression CreateMapExpressionCore(ExpressionRequest request, Expression instanceParameter, TypePairCount typePairCount, LetPropertyMaps letPropertyMaps, out TypeMap typeMap)
{
typeMap = _configurationProvider.ResolveTypeMap(request.SourceType, request.DestinationType);
if (typeMap == null)
{
throw QueryMapperHelper.MissingMapException(request.SourceType, request.DestinationType);
}
if (typeMap.CustomProjection != null)
{
return(typeMap.CustomProjection.ReplaceParameters(instanceParameter));
}
return(CreateMapExpressionCore(request, instanceParameter, typePairCount, typeMap, letPropertyMaps));
}
private IEnumerable <TypeMap> GetDerivedTypeMaps(TypeMap typeMap)
{
foreach (var derivedMap in typeMap.IncludedDerivedTypes.Select(FindTypeMapFor))
{
if (derivedMap == null)
{
throw QueryMapperHelper.MissingMapException(typeMap.SourceType, typeMap.DestinationType);
}
yield return(derivedMap);
foreach (var derivedTypeMap in GetDerivedTypeMaps(derivedMap))
{
yield return(derivedTypeMap);
}
}
}
public Expression CreateMapExpression(ExpressionRequest request, Expression instanceParameter, IDictionary <ExpressionRequest, int> typePairCount)
{
var typeMap = _configurationProvider.ResolveTypeMap(request.SourceType,
request.DestinationType);
if (typeMap == null)
{
throw QueryMapperHelper.MissingMapException(request.SourceType, request.DestinationType);
}
if (typeMap.CustomProjection != null)
{
return(typeMap.CustomProjection.ReplaceParameters(instanceParameter));
}
var bindings = new List <MemberBinding>();
var depth = GetDepth(request, typePairCount);
if (typeMap.MaxDepth > 0 && depth >= typeMap.MaxDepth)
{
if (typeMap.Profile.AllowNullDestinationValues)
{
return(null);
}
}
else
{
bindings = CreateMemberBindings(request, typeMap, instanceParameter, typePairCount);
}
Expression constructorExpression = DestinationConstructorExpression(typeMap, instanceParameter);
if (instanceParameter is ParameterExpression)
{
constructorExpression = ((LambdaExpression)constructorExpression).ReplaceParameters(instanceParameter);
}
var visitor = new NewFinderVisitor();
visitor.Visit(constructorExpression);
var expression = MemberInit(
visitor.NewExpression,
bindings.ToArray()
);
return(expression);
}
private static IEnumerable <TypeMap> GetIncludedTypeMaps(IEnumerable <TypePair> includedTypes, IConfigurationProvider configurationProvider)
{
foreach (var pair in includedTypes)
{
var typeMap = configurationProvider.FindTypeMapFor(pair);
if (typeMap != null)
{
yield return(typeMap);
}
typeMap = configurationProvider.ResolveTypeMap(pair);
// we want the exact map the user included, but we could instantiate an open generic
if (typeMap == null || typeMap.Types != pair || typeMap.IsConventionMap)
{
throw QueryMapperHelper.MissingMapException(pair);
}
yield return(typeMap);
}
}
public IEnumerable <TypeMap> GetIncludedTypeMaps(IEnumerable <TypePair> includedTypes)
{
foreach (var pair in includedTypes)
{
var typeMap = FindTypeMapFor(pair);
if (typeMap != null)
{
yield return(typeMap);
}
else
{
typeMap = ResolveTypeMap(pair);
// we want the exact map the user included, but we could instantiate an open generic
if (typeMap == null || typeMap.Types != pair)
{
throw QueryMapperHelper.MissingMapException(pair);
}
yield return(typeMap);
}
}
}
protected void FindDestinationFullName(Type typeSource, Type typeDestination, string sourceFullName, List <PropertyMapInfo> propertyMapInfoList)
{
const string period = ".";
if (typeSource == typeDestination)
{
var sourceFullNameArray = sourceFullName.Split(new[] { period[0] }, StringSplitOptions.RemoveEmptyEntries);
sourceFullNameArray.Aggregate(propertyMapInfoList, (list, next) =>
{
if (list.Count == 0)
{
AddPropertyMapInfo(typeSource, next, list);
}
else
{
var last = list[list.Count - 1];
AddPropertyMapInfo(last.CustomExpression == null
? last.DestinationPropertyInfos[last.DestinationPropertyInfos.Count - 1].GetMemberType()
: last.CustomExpression.ReturnType, next, list);
}
return(list);
});
return;
}
var typeMap = ConfigurationProvider.ResolveTypeMap(sourceType: typeDestination, destinationType: typeSource);//The destination becomes the source because to map a source expression to a destination expression,
//we need the expressions used to create the source from the destination
if (typeMap == null)
{
throw QueryMapperHelper.MissingMapException(sourceType: typeDestination, destinationType: typeSource);
}
PathMap pathMap = typeMap.FindPathMapByDestinationPath(sourceFullName);
if (pathMap != null)
{
propertyMapInfoList.Add(new PropertyMapInfo(pathMap.SourceExpression, new List <MemberInfo>()));
return;
}
if (sourceFullName.IndexOf(period, StringComparison.OrdinalIgnoreCase) < 0)
{
var propertyMap = typeMap.GetPropertyMaps().SingleOrDefault(item => item.DestinationProperty.Name == sourceFullName);
var sourceMemberInfo = typeSource.GetFieldOrProperty(propertyMap.DestinationProperty.Name);
if (propertyMap.ValueResolverConfig != null)
{
throw new InvalidOperationException(Resource.customResolversNotSupported);
}
if (propertyMap.CustomExpression != null)
{
if (propertyMap.CustomExpression.ReturnType.IsValueType() && sourceMemberInfo.GetMemberType() != propertyMap.CustomExpression.ReturnType)
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Resource.expressionMapValueTypeMustMatchFormat, propertyMap.CustomExpression.ReturnType.Name, propertyMap.CustomExpression.ToString(), sourceMemberInfo.GetMemberType().Name, propertyMap.DestinationProperty.Name));
}
}
else
{
if (propertyMap.SourceMember.GetMemberType().IsValueType() && sourceMemberInfo.GetMemberType() != propertyMap.SourceMember.GetMemberType())
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Resource.expressionMapValueTypeMustMatchFormat, propertyMap.SourceMember.GetMemberType().Name, propertyMap.SourceMember.Name, sourceMemberInfo.GetMemberType().Name, propertyMap.DestinationProperty.Name));
}
}
propertyMapInfoList.Add(new PropertyMapInfo(propertyMap.CustomExpression, propertyMap.SourceMembers.ToList()));
}
else
{
var propertyName = sourceFullName.Substring(0, sourceFullName.IndexOf(period, StringComparison.OrdinalIgnoreCase));
var propertyMap = typeMap.GetPropertyMaps().SingleOrDefault(item => item.DestinationProperty.Name == propertyName);
var sourceMemberInfo = typeSource.GetFieldOrProperty(propertyMap.DestinationProperty.Name);
if (propertyMap.CustomExpression == null && propertyMap.SourceMember == null)//If sourceFullName has a period then the SourceMember cannot be null. The SourceMember is required to find the ProertyMap of its child object.
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Resource.srcMemberCannotBeNullFormat, typeSource.Name, typeDestination.Name, propertyName));
}
propertyMapInfoList.Add(new PropertyMapInfo(propertyMap.CustomExpression, propertyMap.SourceMembers.ToList()));
var childFullName = sourceFullName.Substring(sourceFullName.IndexOf(period, StringComparison.OrdinalIgnoreCase) + 1);
FindDestinationFullName(sourceMemberInfo.GetMemberType(), propertyMap.CustomExpression == null
? propertyMap.SourceMember.GetMemberType()
: propertyMap.CustomExpression.ReturnType, childFullName, propertyMapInfoList);
}
}
private Expression CreateMapExpressionCore(ExpressionRequest request, Expression instanceParameter, TypePairCount typePairCount, LetPropertyMaps letPropertyMaps, out TypeMap typeMap)
{
typeMap = _configurationProvider.ResolveTypeMap(request.SourceType, request.DestinationType) ?? throw QueryMapperHelper.MissingMapException(request.SourceType, request.DestinationType);
return(CreateMapExpressionCore(request, instanceParameter, typePairCount, typeMap, letPropertyMaps));
}