upd

tests/serializers.py

@@ -1,3 +1,5 @@
+from drf_spectacular.types import OpenApiTypes
+from drf_spectacular.utils import extend_schema_field
 from rest_framework import serializers
 
 from tests.models import Person
@@ -8,11 +10,30 @@ class PersonCars(serializers.Serializer):
     car_price = serializers.IntegerField()
 
 
+class PersonHouse(serializers.Serializer):
+    address = serializers.CharField()
+
+
 class PersonSerializer1(serializers.Serializer):
     name = serializers.CharField()
     age = serializers.IntegerField()
+    birthday = serializers.DateTimeField()
+
+    height = serializers.SerializerMethodField()
+
+    def get_height(self, obj: object) -> int:
+        return 184
+
+    weight = serializers.SerializerMethodField()
+
+    @extend_schema_field(OpenApiTypes.INT)
+    def get_weight(self, obj):  # type: ignore[no-untyped-def]
+        return 78
+
     cars = PersonCars(many=True)
 
+    house = PersonHouse()
+
 
 class PersonSerializer2(serializers.ModelSerializer):
     class Meta:

tests/test_decorators.py

@@ -1,3 +1,6 @@
+from time import sleep
+from unittest.mock import ANY
+
 from src.drf_serializer_dumps.decorators import serializer_dumps
 
 from tests.serializers import PersonSerializer1, PersonSerializer2
@@ -7,11 +10,41 @@
 # pytest -s ./tests
 def test_serializer_dumps() -> None:
     """"""
-    result = serializer_dumps(PersonSerializer1)
-    assert result == {'name': 'string', 'age': 1, 'cars': [{'car_name': 'string', 'car_price': 1}]}
+    result = serializer_dumps(PersonSerializer1, exclude_fields=['age'])
+    assert result == {
+        'name': 'string',
+        'birthday': ANY,
+        'height': 1,
+        'weight': 1,
+        'cars': [{'car_name': 'string', 'car_price': 1}],
+        'house': {'address': 'string'},
+    }
 
 
 def test_model_serializer_dumps() -> None:
     """"""
     result = serializer_dumps(PersonSerializer2)
     assert result == {'id': 1, 'name': 'string', 'phones': ['string']}
+
+
+def test_renew_type_value() -> None:
+    """"""
+    expected = {
+        'name': 'string',
+        'age': 1,
+        'birthday': ANY,
+        'height': 1,
+        'weight': 1,
+        'cars': [{'car_name': 'string', 'car_price': 1}],
+        'house': {'address': 'string'},
+    }
+
+    result1 = serializer_dumps(PersonSerializer1, renew_type_value=True)
+    assert result1 == expected
+
+    sleep(0.01)
+
+    result2 = serializer_dumps(PersonSerializer1, renew_type_value=True)
+    assert result2 == expected
+
+    assert result1['birthday'] != result2['birthday']