class ReadOnlyManyToManyTests(TestCase):
def setUp(self):
class ReadOnlyManyToManySerializer(serializers.ModelSerializer):
rel = serializers.ManyRelatedField(read_only=True)
class Meta:
model = ReadOnlyManyToManyModel
self.serializer_class = ReadOnlyManyToManySerializer
# An anchor instance to use for the relationship
self.anchor = Anchor()
self.anchor.save()
# A model instance with a many to many relationship to the anchor
self.instance = ReadOnlyManyToManyModel()
self.instance.save()
self.instance.rel.add(self.anchor)
# A serialized representation of the model instance
self.data = {'rel': [self.anchor.id], 'id': 1, 'text': 'anchor'}
def test_update(self):
"""
Attempt to update an instance of a model with a ManyToMany
relationship. Not updated due to read_only=True
"""
new_anchor = Anchor()
new_anchor.save()
data = {'rel': [self.anchor.id, new_anchor.id]}
serializer = self.serializer_class(self.instance, data=data)
self.assertEquals(serializer.is_valid(), True)
instance = serializer.save()
self.assertEquals(len(ReadOnlyManyToManyModel.objects.all()), 1)
self.assertEquals(instance.pk, 1)
# rel is still as original (1 entry)
self.assertEquals(list(instance.rel.all()), [self.anchor])
def test_update_without_relationship(self):
"""
Attempt to update an instance of a model where many to ManyToMany
relationship is not supplied. Not updated due to read_only=True
"""
new_anchor = Anchor()
new_anchor.save()
data = {}
serializer = self.serializer_class(self.instance, data=data)
self.assertEquals(serializer.is_valid(), True)
instance = serializer.save()
self.assertEquals(len(ReadOnlyManyToManyModel.objects.all()), 1)
self.assertEquals(instance.pk, 1)
# rel is still as original (1 entry)
self.assertEquals(list(instance.rel.all()), [self.anchor])
class ReadOnlyManyToManyTests(TestCase):
def setUp(self):
class ReadOnlyManyToManySerializer(serializers.ModelSerializer):
rel = serializers.RelatedField(many=True, read_only=True)
class Meta:
model = ReadOnlyManyToManyModel
self.serializer_class = ReadOnlyManyToManySerializer
# An anchor instance to use for the relationship
self.anchor = Anchor()
self.anchor.save()
# A model instance with a many to many relationship to the anchor
self.instance = ReadOnlyManyToManyModel()
self.instance.save()
self.instance.rel.add(self.anchor)
# A serialized representation of the model instance
self.data = {'rel': [self.anchor.id], 'id': 1, 'text': 'anchor'}
def test_update(self):
"""
Attempt to update an instance of a model with a ManyToMany
relationship. Not updated due to read_only=True
"""
new_anchor = Anchor()
new_anchor.save()
data = {'rel': [self.anchor.id, new_anchor.id]}
serializer = self.serializer_class(self.instance, data=data)
self.assertEqual(serializer.is_valid(), True)
instance = serializer.save()
self.assertEqual(len(ReadOnlyManyToManyModel.objects.all()), 1)
self.assertEqual(instance.pk, 1)
# rel is still as original (1 entry)
self.assertEqual(list(instance.rel.all()), [self.anchor])
def test_update_without_relationship(self):
"""
Attempt to update an instance of a model where many to ManyToMany
relationship is not supplied. Not updated due to read_only=True
"""
new_anchor = Anchor()
new_anchor.save()
data = {}
serializer = self.serializer_class(self.instance, data=data)
self.assertEqual(serializer.is_valid(), True)
instance = serializer.save()
self.assertEqual(len(ReadOnlyManyToManyModel.objects.all()), 1)
self.assertEqual(instance.pk, 1)
# rel is still as original (1 entry)
self.assertEqual(list(instance.rel.all()), [self.anchor])
def setUp(self):
class ReadOnlyManyToManySerializer(serializers.ModelSerializer):
rel = serializers.ManyRelatedField(read_only=True)
class Meta:
model = ReadOnlyManyToManyModel
self.serializer_class = ReadOnlyManyToManySerializer
# An anchor instance to use for the relationship
self.anchor = Anchor()
self.anchor.save()
# A model instance with a many to many relationship to the anchor
self.instance = ReadOnlyManyToManyModel()
self.instance.save()
self.instance.rel.add(self.anchor)
# A serialized representation of the model instance
self.data = {'rel': [self.anchor.id], 'id': 1, 'text': 'anchor'}
def setUp(self):
class ReadOnlyManyToManySerializer(serializers.ModelSerializer):
rel = serializers.RelatedField(many=True, read_only=True)
class Meta:
model = ReadOnlyManyToManyModel
self.serializer_class = ReadOnlyManyToManySerializer
# An anchor instance to use for the relationship
self.anchor = Anchor()
self.anchor.save()
# A model instance with a many to many relationship to the anchor
self.instance = ReadOnlyManyToManyModel()
self.instance.save()
self.instance.rel.add(self.anchor)
# A serialized representation of the model instance
self.data = {'rel': [self.anchor.id], 'id': 1, 'text': 'anchor'}