Test creating a model with a pk relation

rest_framework/tests/test_pk_related_creation.py

@@ -0,0 +1,51 @@
+from django.db import models
+from rest_framework import serializers
+
+from django.test import TestCase
+
+
+class TestModel(models.Model):
+
+    class Meta:
+        app_label = 'tests'
+
+
+class Person(TestModel):
+    name = models.CharField(max_length=200)
+
+
+class Group(TestModel):
+    name = models.TextField()
+    members = models.ManyToManyField(Person)
+
+
+class GroupSerialiser(serializers.ModelSerializer):
+
+    members = serializers.PrimaryKeyRelatedField(many=True)
+
+    class Meta:
+        model = Group
+        fields = (
+            'id',
+            'name',
+            'members'
+        )
+
+
+class TestPrimaryKeyRelatedRelation(TestCase):
+
+    def test_deserialize_group(self):
+
+        person = Person.objects.create(name='Person')
+        data = {
+            'name': 'Group Name',
+            'members': [person.id]
+        }
+
+        serializer = GroupSerialiser(data=data, files=None)
+
+        self.assertTrue(serializer.is_valid())
+
+        obj = serializer.object
+
+        self.assertEqual(obj.members, [person])