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path: root/tests/test_serializer_nested.py
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from rest_framework import serializers


class TestNestedSerializer:
    def setup(self):
        class NestedSerializer(serializers.Serializer):
            one = serializers.IntegerField(max_value=10)
            two = serializers.IntegerField(max_value=10)

        class TestSerializer(serializers.Serializer):
            nested = NestedSerializer()

        self.Serializer = TestSerializer

    def test_nested_validate(self):
        input_data = {
            'nested': {
                'one': '1',
                'two': '2',
            }
        }
        expected_data = {
            'nested': {
                'one': 1,
                'two': 2,
            }
        }
        serializer = self.Serializer(data=input_data)
        assert serializer.is_valid()
        assert serializer.validated_data == expected_data

    def test_nested_serialize_empty(self):
        expected_data = {
            'nested': {
                'one': None,
                'two': None
            }
        }
        serializer = self.Serializer()
        assert serializer.data == expected_data