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48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
"""
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General tests for relational fields.
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"""
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from django.db import models
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from django.test import TestCase
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from rest_framework import serializers
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class NullModel(models.Model):
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pass
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class FieldTests(TestCase):
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def test_pk_related_field_with_empty_string(self):
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"""
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Regression test for #446
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https://github.com/tomchristie/django-rest-framework/issues/446
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"""
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field = serializers.PrimaryKeyRelatedField(queryset=NullModel.objects.all())
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self.assertRaises(serializers.ValidationError, field.from_native, '')
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self.assertRaises(serializers.ValidationError, field.from_native, [])
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def test_hyperlinked_related_field_with_empty_string(self):
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field = serializers.HyperlinkedRelatedField(queryset=NullModel.objects.all(), view_name='')
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self.assertRaises(serializers.ValidationError, field.from_native, '')
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self.assertRaises(serializers.ValidationError, field.from_native, [])
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def test_slug_related_field_with_empty_string(self):
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field = serializers.SlugRelatedField(queryset=NullModel.objects.all(), slug_field='pk')
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self.assertRaises(serializers.ValidationError, field.from_native, '')
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self.assertRaises(serializers.ValidationError, field.from_native, [])
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class TestManyRelateMixin(TestCase):
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def test_missing_many_to_many_related_field(self):
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'''
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Regression test for #632
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https://github.com/tomchristie/django-rest-framework/pull/632
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'''
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field = serializers.ManyRelatedField(read_only=False)
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into = {}
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field.field_from_native({}, None, 'field_name', into)
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self.assertEqual(into['field_name'], [])
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