text: from rest_framework import serializers
  
  from rest_framework_json_api.relations import SerializerMethodResourceRelatedField
  
  from example.models import Blog, Entry
  
  
  def test_method_name_default():
      class BlogSerializer(serializers.ModelSerializer):
          one_entry = SerializerMethodResourceRelatedField(model=Entry)
  
          class Meta:
              model = Blog
              fields = ["one_entry"]
  
          def get_one_entry(self, instance):
              return Entry(id=100)
  
      serializer = BlogSerializer(instance=Blog())
      assert serializer.data["one_entry"]["id"] == "100"
  
  
  def test_method_name_custom():
      class BlogSerializer(serializers.ModelSerializer):
          one_entry = SerializerMethodResourceRelatedField(
              model=Entry, method_name="get_custom_entry"
          )
  
          class Meta:
              model = Blog
              fields = ["one_entry"]
  
          def get_custom_entry(self, instance):
              return Entry(id=100)
  
      serializer = BlogSerializer(instance=Blog())
      assert serializer.data["one_entry"]["id"] == "100"
  