How to test DRF serializer when using additional keyword arguments? - django

Question

I have a simple model and a serializer which uses additional keyword arguments(extra_kwargs) to limit max and min value for a field. I want to write two test cases in my tests.py to both test valid and invalid values for that field (weight). How should I do this?
I am using Python 2.7.
Model
from django.db import models
class Person(models.Model):
name = models.CharField(max_length=100)
weight = models.FloatField()
Serializer
from rest_framework import serializers
from .models import Person
class PersonSerializer(serializers.ModelSerializer):
model = Person
fields = ('name', 'weight')
extra_kwargs = {'weight': {'min_value': 5, 'max_value': 1000}}
tests.py
from django.test import TestCase
from .models import Person
class ModelTestCase(TestCase):
def setUp(self):
self.person = Person(name='Sam', weight=150)
def test_when_weight_isValid(self):
#e.g. when weight = 200
def test_when_weight_notValid(self):
#e.g. when weight = 3

Answer 1

import json
from django.urls import reverse
from django.contrib.auth import authenticate
from rest_framework import status
from rest_framework.test import APITestCase
from .models import *
class UserTests(APITestCase):
def setUp(self):
self.person = Person(name='Sam', weight=150)
def test_when_weight_isvalid(self):
url = reverse('person-detail', kwargs={'pk': self.person.id})
data = {'weight': 200}
response = self.client.patch(url, data, format='json')
self.assertEqual(response.status_code, status.HTTP_200_OK)
print json.dumps(response.data, ensure_ascii=False, indent=2)
Something like this,code is untest.