mirror of
https://github.com/encode/django-rest-framework.git
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152 lines
4.8 KiB
Python
152 lines
4.8 KiB
Python
# from __future__ import unicode_literals
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# from django.contrib.contenttypes.models import ContentType
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# from django.contrib.contenttypes.generic import GenericRelation, GenericForeignKey
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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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# from rest_framework.compat import python_2_unicode_compatible
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# @python_2_unicode_compatible
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# class Tag(models.Model):
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# """
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# Tags have a descriptive slug, and are attached to an arbitrary object.
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# """
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# tag = models.SlugField()
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# content_type = models.ForeignKey(ContentType)
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# object_id = models.PositiveIntegerField()
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# tagged_item = GenericForeignKey('content_type', 'object_id')
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# def __str__(self):
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# return self.tag
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# @python_2_unicode_compatible
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# class Bookmark(models.Model):
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# """
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# A URL bookmark that may have multiple tags attached.
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# """
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# url = models.URLField()
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# tags = GenericRelation(Tag)
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# def __str__(self):
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# return 'Bookmark: %s' % self.url
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# @python_2_unicode_compatible
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# class Note(models.Model):
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# """
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# A textual note that may have multiple tags attached.
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# """
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# text = models.TextField()
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# tags = GenericRelation(Tag)
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# def __str__(self):
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# return 'Note: %s' % self.text
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# class TestGenericRelations(TestCase):
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# def setUp(self):
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# self.bookmark = Bookmark.objects.create(url='https://www.djangoproject.com/')
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# Tag.objects.create(tagged_item=self.bookmark, tag='django')
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# Tag.objects.create(tagged_item=self.bookmark, tag='python')
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# self.note = Note.objects.create(text='Remember the milk')
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# Tag.objects.create(tagged_item=self.note, tag='reminder')
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# def test_generic_relation(self):
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# """
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# Test a relationship that spans a GenericRelation field.
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# IE. A reverse generic relationship.
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# """
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# class BookmarkSerializer(serializers.ModelSerializer):
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# tags = serializers.RelatedField(many=True)
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# class Meta:
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# model = Bookmark
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# exclude = ('id',)
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# serializer = BookmarkSerializer(self.bookmark)
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# expected = {
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# 'tags': ['django', 'python'],
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# 'url': 'https://www.djangoproject.com/'
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# }
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# self.assertEqual(serializer.data, expected)
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# def test_generic_nested_relation(self):
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# """
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# Test saving a GenericRelation field via a nested serializer.
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# """
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# class TagSerializer(serializers.ModelSerializer):
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# class Meta:
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# model = Tag
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# exclude = ('content_type', 'object_id')
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# class BookmarkSerializer(serializers.ModelSerializer):
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# tags = TagSerializer(many=True)
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# class Meta:
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# model = Bookmark
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# exclude = ('id',)
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# data = {
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# 'url': 'https://docs.djangoproject.com/',
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# 'tags': [
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# {'tag': 'contenttypes'},
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# {'tag': 'genericrelations'},
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# ]
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# }
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# serializer = BookmarkSerializer(data=data)
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# self.assertTrue(serializer.is_valid())
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# serializer.save()
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# self.assertEqual(serializer.object.tags.count(), 2)
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# def test_generic_fk(self):
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# """
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# Test a relationship that spans a GenericForeignKey field.
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# IE. A forward generic relationship.
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# """
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# class TagSerializer(serializers.ModelSerializer):
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# tagged_item = serializers.RelatedField()
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# class Meta:
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# model = Tag
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# exclude = ('id', 'content_type', 'object_id')
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# serializer = TagSerializer(Tag.objects.all(), many=True)
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# expected = [
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# {
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# 'tag': 'django',
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# 'tagged_item': 'Bookmark: https://www.djangoproject.com/'
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# },
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# {
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# 'tag': 'python',
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# 'tagged_item': 'Bookmark: https://www.djangoproject.com/'
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# },
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# {
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# 'tag': 'reminder',
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# 'tagged_item': 'Note: Remember the milk'
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# }
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# ]
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# self.assertEqual(serializer.data, expected)
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# def test_restore_object_generic_fk(self):
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# """
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# Ensure an object with a generic foreign key can be restored.
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# """
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# class TagSerializer(serializers.ModelSerializer):
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# class Meta:
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# model = Tag
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# exclude = ('content_type', 'object_id')
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# serializer = TagSerializer()
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# bookmark = Bookmark(url='http://example.com')
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# attrs = {'tagged_item': bookmark, 'tag': 'example'}
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# tag = serializer.restore_object(attrs)
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# self.assertEqual(tag.tagged_item, bookmark)
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