Add Mapperly tests

Author: jerviscui

src/plugins/MapperlyTest/DogMapper.cs

@@ -67,7 +67,7 @@ internal sealed partial class DogMapper
     [MapProperty(nameof(Dog.NullStr), nameof(DogDto.StringNull))]
     internal partial DogDto ToDogDto(Dog dog);
 
-    internal partial ICollection<DogDto> ToDogDto(ICollection<Dog> dogs);
+    internal partial ICollection<DogDto> ToDogDtos(ICollection<Dog> dogs);
 
     #endregion
 
@@ -79,11 +79,51 @@ internal static partial class DogProjectToMapper
 
     #region Constants & Statics
 
-    [MapProperty(nameof(Dog.NullStr), nameof(DogDto.StringNull))]
+    [IncludeMappingConfiguration(nameof(@DogMapper.ToDogDto))]
     private static partial DogDto ToDogDto(Dog dog);
 
     internal static partial IQueryable<DogDto> ProjectToDogDto(this IQueryable<Dog> query);
 
     #endregion
 
 }
+
+[Mapper]
+internal static partial class DogProjectToWithCustomMapper
+{
+
+    #region Constants & Statics
+
+    private static string StringNullSet(string? source)
+    {
+        return source ?? "default str";
+    }
+
+    [MapProperty(nameof(Dog.NullStr), nameof(DogDto.StringNull), Use = nameof(StringNullSet))]
+    private static partial DogDto ToDogDto(Dog dog);
+
+    internal static partial IQueryable<DogDto> ProjectToDogDto2(this IQueryable<Dog> query);
+
+    #endregion
+
+}
+
+[Mapper]
+internal static partial class DogDtoExtensionsMapper
+{
+
+    #region Constants & Statics
+
+    private static string StringNullSet(Dog dog)
+    {
+        return dog.NullStr ?? "default str";
+    }
+
+    [MapPropertyFromSource(nameof(DogDto.StringNull), Use = nameof(StringNullSet))]
+    [MapperIgnoreTarget(nameof(DogDto.Name))]
+    [MapperIgnoreTarget(nameof(DogDto.NumberOfWheels))]
+    internal static partial void FromDog([MappingTarget] this DogDto dogDto, Dog dog);
+
+    #endregion
+
+}

src/plugins/MapperlyTest/MapperTest.cs

@@ -34,6 +34,16 @@ public static void Ctro_Test()
         Console.WriteLine($"StringNull: {dto.StringNull}");
     }
 
+    public static void ExistingTarget_Test()
+    {
+        var dog = new Dog { Name = "Fiat", NumberOfWheels = 4, NullStr = "aaa" };
+        var dto = new DogDto { Name = "OldName", NumberOfWheels = 99, StringNull = "OldString" };
+        dto.FromDog(dog);
+
+        Console.WriteLine($"{dto.Name}, Wheels: {dto.NumberOfWheels}");
+        Console.WriteLine($"StringNull: {dto.StringNull}");
+    }
+
     public static void List_Test()
     {
         var mapper = new DogMapper();
@@ -44,7 +54,7 @@ public static void List_Test()
             new() { Name = "Max", NumberOfWheels = 3, NullStr = "bbb" }
         };
 
-        var list = mapper.ToDogDto(dogs);
+        var list = mapper.ToDogDtos(dogs);
 
         foreach (var dto in list)
         {

src/plugins/MapperlyTest/Program.cs

@@ -10,7 +10,8 @@ private static void Main(string[] args)
         //MapperTest.CarMapper_Test();
         //MapperTest.CarNullThrowMapper_Test();
         //MapperTest.Ctro_Test();
-        MapperTest.ProjectTo_Test();
+        //MapperTest.ProjectTo_Test();
+        MapperTest.ExistingTarget_Test();
     }
 
     #endregion