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Raise Validation Errors when relationships receive incorrect types. Fixes #590.

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This commit is contained in:
Tom Christie 2013-01-18 21:29:21 +00:00
parent 6385ac519d
commit 211bb89eec
4 changed files with 177 additions and 21 deletions
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20
rest_framework/relations.py
View File

@ -177,7 +177,7 @@ class PrimaryKeyRelatedField(RelatedField):
default_error_messages = {
'does_not_exist': _("Invalid pk '%s' - object does not exist."),
'invalid': _('Invalid value.'),
'incorrect_type': _('Incorrect type. Expected pk value, received %s.'),
}
# TODO: Remove these field hacks...
@ -208,7 +208,8 @@ class PrimaryKeyRelatedField(RelatedField):
msg = self.error_messages['does_not_exist'] % smart_unicode(data)
raise ValidationError(msg)
except (TypeError, ValueError):
msg = self.error_messages['invalid']
received = type(data).__name__
msg = self.error_messages['incorrect_type'] % received
raise ValidationError(msg)
def field_to_native(self, obj, field_name):
@ -235,7 +236,7 @@ class ManyPrimaryKeyRelatedField(ManyRelatedField):
default_error_messages = {
'does_not_exist': _("Invalid pk '%s' - object does not exist."),
'invalid': _('Invalid value.'),
'incorrect_type': _('Incorrect type. Expected pk value, received %s.'),
}
def prepare_value(self, obj):
@ -275,7 +276,8 @@ class ManyPrimaryKeyRelatedField(ManyRelatedField):
msg = self.error_messages['does_not_exist'] % smart_unicode(data)
raise ValidationError(msg)
except (TypeError, ValueError):
msg = self.error_messages['invalid']
received = type(data).__name__
msg = self.error_messages['incorrect_type'] % received
raise ValidationError(msg)
### Slug relationships
@ -333,7 +335,7 @@ class HyperlinkedRelatedField(RelatedField):
'incorrect_match': _('Invalid hyperlink - Incorrect URL match'),
'configuration_error': _('Invalid hyperlink due to configuration error'),
'does_not_exist': _("Invalid hyperlink - object does not exist."),
'invalid': _('Invalid value.'),
'incorrect_type': _('Incorrect type. Expected url string, received %s.'),
}
def __init__(self, *args, **kwargs):
@ -397,8 +399,8 @@ class HyperlinkedRelatedField(RelatedField):
try:
http_prefix = value.startswith('http:') or value.startswith('https:')
except AttributeError:
msg = self.error_messages['invalid']
raise ValidationError(msg)
msg = self.error_messages['incorrect_type']
raise ValidationError(msg % type(value).__name__)
if http_prefix:
# If needed convert absolute URLs to relative path
@ -434,8 +436,8 @@ class HyperlinkedRelatedField(RelatedField):
except ObjectDoesNotExist:
raise ValidationError(self.error_messages['does_not_exist'])
except (TypeError, ValueError):
msg = self.error_messages['invalid']
raise ValidationError(msg)
msg = self.error_messages['incorrect_type']
raise ValidationError(msg % type(value).__name__)
return obj

9
rest_framework/tests/relations_hyperlink.py
View File

@ -215,6 +215,13 @@ class HyperlinkedForeignKeyTests(TestCase):
]
self.assertEquals(serializer.data, expected)
def test_foreign_key_update_incorrect_type(self):
data = {'url': '/foreignkeysource/1/', 'name': u'source-1', 'target': 2}
instance = ForeignKeySource.objects.get(pk=1)
serializer = ForeignKeySourceSerializer(instance, data=data)
self.assertFalse(serializer.is_valid())
self.assertEquals(serializer.errors, {'target': [u'Incorrect type. Expected url string, received int.']})
def test_reverse_foreign_key_update(self):
data = {'url': '/foreignkeytarget/2/', 'name': u'target-2', 'sources': ['/foreignkeysource/1/', '/foreignkeysource/3/']}
instance = ForeignKeyTarget.objects.get(pk=2)
@ -227,7 +234,7 @@ class HyperlinkedForeignKeyTests(TestCase):
expected = [
{'url': '/foreignkeytarget/1/', 'name': u'target-1', 'sources': ['/foreignkeysource/1/', '/foreignkeysource/2/', '/foreignkeysource/3/']},
{'url': '/foreignkeytarget/2/', 'name': u'target-2', 'sources': []},
]
]
self.assertEquals(new_serializer.data, expected)
serializer.save()

7
rest_framework/tests/relations_pk.py
View File

@ -194,6 +194,13 @@ class PKForeignKeyTests(TestCase):
]
self.assertEquals(serializer.data, expected)
def test_foreign_key_update_incorrect_type(self):
data = {'id': 1, 'name': u'source-1', 'target': 'foo'}
instance = ForeignKeySource.objects.get(pk=1)
serializer = ForeignKeySourceSerializer(instance, data=data)
self.assertFalse(serializer.is_valid())
self.assertEquals(serializer.errors, {'target': [u'Incorrect type. Expected pk value, received str.']})
def test_reverse_foreign_key_update(self):
data = {'id': 2, 'name': u'target-2', 'sources': [1, 3]}
instance = ForeignKeyTarget.objects.get(pk=2)

162
rest_framework/tests/relations_slug.py
View File

@ -1,9 +1,23 @@
from django.test import TestCase
from rest_framework import serializers
from rest_framework.tests.models import NullableForeignKeySource, ForeignKeyTarget
from rest_framework.tests.models import NullableForeignKeySource, ForeignKeySource, ForeignKeyTarget
class NullableSlugSourceSerializer(serializers.ModelSerializer):
class ForeignKeyTargetSerializer(serializers.ModelSerializer):
sources = serializers.ManySlugRelatedField(slug_field='name')
class Meta:
model = ForeignKeyTarget
class ForeignKeySourceSerializer(serializers.ModelSerializer):
target = serializers.SlugRelatedField(slug_field='name')
class Meta:
model = ForeignKeySource
class NullableForeignKeySourceSerializer(serializers.ModelSerializer):
target = serializers.SlugRelatedField(slug_field='name', null=True)
class Meta:
@ -11,6 +25,132 @@ class NullableSlugSourceSerializer(serializers.ModelSerializer):
# TODO: M2M Tests, FKTests (Non-nulable), One2One
class PKForeignKeyTests(TestCase):
def setUp(self):
target = ForeignKeyTarget(name='target-1')
target.save()
new_target = ForeignKeyTarget(name='target-2')
new_target.save()
for idx in range(1, 4):
source = ForeignKeySource(name='source-%d' % idx, target=target)
source.save()
def test_foreign_key_retrieve(self):
queryset = ForeignKeySource.objects.all()
serializer = ForeignKeySourceSerializer(queryset)
expected = [
{'id': 1, 'name': u'source-1', 'target': 'target-1'},
{'id': 2, 'name': u'source-2', 'target': 'target-1'},
{'id': 3, 'name': u'source-3', 'target': 'target-1'}
]
self.assertEquals(serializer.data, expected)
def test_reverse_foreign_key_retrieve(self):
queryset = ForeignKeyTarget.objects.all()
serializer = ForeignKeyTargetSerializer(queryset)
expected = [
{'id': 1, 'name': u'target-1', 'sources': ['source-1', 'source-2', 'source-3']},
{'id': 2, 'name': u'target-2', 'sources': []},
]
self.assertEquals(serializer.data, expected)
def test_foreign_key_update(self):
data = {'id': 1, 'name': u'source-1', 'target': 'target-2'}
instance = ForeignKeySource.objects.get(pk=1)
serializer = ForeignKeySourceSerializer(instance, data=data)
self.assertTrue(serializer.is_valid())
self.assertEquals(serializer.data, data)
serializer.save()
# Ensure source 1 is updated, and everything else is as expected
queryset = ForeignKeySource.objects.all()
serializer = ForeignKeySourceSerializer(queryset)
expected = [
{'id': 1, 'name': u'source-1', 'target': 'target-2'},
{'id': 2, 'name': u'source-2', 'target': 'target-1'},
{'id': 3, 'name': u'source-3', 'target': 'target-1'}
]
self.assertEquals(serializer.data, expected)
def test_foreign_key_update_incorrect_type(self):
data = {'id': 1, 'name': u'source-1', 'target': 123}
instance = ForeignKeySource.objects.get(pk=1)
serializer = ForeignKeySourceSerializer(instance, data=data)
self.assertFalse(serializer.is_valid())
self.assertEquals(serializer.errors, {'target': [u'Object with name=123 does not exist.']})
def test_reverse_foreign_key_update(self):
data = {'id': 2, 'name': u'target-2', 'sources': ['source-1', 'source-3']}
instance = ForeignKeyTarget.objects.get(pk=2)
serializer = ForeignKeyTargetSerializer(instance, data=data)
self.assertTrue(serializer.is_valid())
# We shouldn't have saved anything to the db yet since save
# hasn't been called.
queryset = ForeignKeyTarget.objects.all()
new_serializer = ForeignKeyTargetSerializer(queryset)
expected = [
{'id': 1, 'name': u'target-1', 'sources': ['source-1', 'source-2', 'source-3']},
{'id': 2, 'name': u'target-2', 'sources': []},
]
self.assertEquals(new_serializer.data, expected)
serializer.save()
self.assertEquals(serializer.data, data)
# Ensure target 2 is update, and everything else is as expected
queryset = ForeignKeyTarget.objects.all()
serializer = ForeignKeyTargetSerializer(queryset)
expected = [
{'id': 1, 'name': u'target-1', 'sources': ['source-2']},
{'id': 2, 'name': u'target-2', 'sources': ['source-1', 'source-3']},
]
self.assertEquals(serializer.data, expected)
def test_foreign_key_create(self):
data = {'id': 4, 'name': u'source-4', 'target': 'target-2'}
serializer = ForeignKeySourceSerializer(data=data)
serializer.is_valid()
self.assertTrue(serializer.is_valid())
obj = serializer.save()
self.assertEquals(serializer.data, data)
self.assertEqual(obj.name, u'source-4')
# Ensure source 4 is added, and everything else is as expected
queryset = ForeignKeySource.objects.all()
serializer = ForeignKeySourceSerializer(queryset)
expected = [
{'id': 1, 'name': u'source-1', 'target': 'target-1'},
{'id': 2, 'name': u'source-2', 'target': 'target-1'},
{'id': 3, 'name': u'source-3', 'target': 'target-1'},
{'id': 4, 'name': u'source-4', 'target': 'target-2'},
]
self.assertEquals(serializer.data, expected)
def test_reverse_foreign_key_create(self):
data = {'id': 3, 'name': u'target-3', 'sources': ['source-1', 'source-3']}
serializer = ForeignKeyTargetSerializer(data=data)
self.assertTrue(serializer.is_valid())
obj = serializer.save()
self.assertEquals(serializer.data, data)
self.assertEqual(obj.name, u'target-3')
# Ensure target 3 is added, and everything else is as expected
queryset = ForeignKeyTarget.objects.all()
serializer = ForeignKeyTargetSerializer(queryset)
expected = [
{'id': 1, 'name': u'target-1', 'sources': ['source-2']},
{'id': 2, 'name': u'target-2', 'sources': []},
{'id': 3, 'name': u'target-3', 'sources': ['source-1', 'source-3']},
]
self.assertEquals(serializer.data, expected)
def test_foreign_key_update_with_invalid_null(self):
data = {'id': 1, 'name': u'source-1', 'target': None}
instance = ForeignKeySource.objects.get(pk=1)
serializer = ForeignKeySourceSerializer(instance, data=data)
self.assertFalse(serializer.is_valid())
self.assertEquals(serializer.errors, {'target': [u'Value may not be null']})
class SlugNullableForeignKeyTests(TestCase):
def setUp(self):
@ -24,7 +164,7 @@ class SlugNullableForeignKeyTests(TestCase):
def test_foreign_key_retrieve_with_null(self):
queryset = NullableForeignKeySource.objects.all()
serializer = NullableSlugSourceSerializer(queryset)
serializer = NullableForeignKeySourceSerializer(queryset)
expected = [
{'id': 1, 'name': u'source-1', 'target': 'target-1'},
{'id': 2, 'name': u'source-2', 'target': 'target-1'},
@ -34,7 +174,7 @@ class SlugNullableForeignKeyTests(TestCase):
def test_foreign_key_create_with_valid_null(self):
data = {'id': 4, 'name': u'source-4', 'target': None}
serializer = NullableSlugSourceSerializer(data=data)
serializer = NullableForeignKeySourceSerializer(data=data)
self.assertTrue(serializer.is_valid())
obj = serializer.save()
self.assertEquals(serializer.data, data)
@ -42,7 +182,7 @@ class SlugNullableForeignKeyTests(TestCase):
# Ensure source 4 is created, and everything else is as expected
queryset = NullableForeignKeySource.objects.all()
serializer = NullableSlugSourceSerializer(queryset)
serializer = NullableForeignKeySourceSerializer(queryset)
expected = [
{'id': 1, 'name': u'source-1', 'target': 'target-1'},
{'id': 2, 'name': u'source-2', 'target': 'target-1'},
@ -58,7 +198,7 @@ class SlugNullableForeignKeyTests(TestCase):
"""
data = {'id': 4, 'name': u'source-4', 'target': ''}
expected_data = {'id': 4, 'name': u'source-4', 'target': None}
serializer = NullableSlugSourceSerializer(data=data)
serializer = NullableForeignKeySourceSerializer(data=data)
self.assertTrue(serializer.is_valid())
obj = serializer.save()
self.assertEquals(serializer.data, expected_data)
@ -66,7 +206,7 @@ class SlugNullableForeignKeyTests(TestCase):
# Ensure source 4 is created, and everything else is as expected
queryset = NullableForeignKeySource.objects.all()
serializer = NullableSlugSourceSerializer(queryset)
serializer = NullableForeignKeySourceSerializer(queryset)
expected = [
{'id': 1, 'name': u'source-1', 'target': 'target-1'},
{'id': 2, 'name': u'source-2', 'target': 'target-1'},
@ -78,14 +218,14 @@ class SlugNullableForeignKeyTests(TestCase):
def test_foreign_key_update_with_valid_null(self):
data = {'id': 1, 'name': u'source-1', 'target': None}
instance = NullableForeignKeySource.objects.get(pk=1)
serializer = NullableSlugSourceSerializer(instance, data=data)
serializer = NullableForeignKeySourceSerializer(instance, data=data)
self.assertTrue(serializer.is_valid())
self.assertEquals(serializer.data, data)
serializer.save()
# Ensure source 1 is updated, and everything else is as expected
queryset = NullableForeignKeySource.objects.all()
serializer = NullableSlugSourceSerializer(queryset)
serializer = NullableForeignKeySourceSerializer(queryset)
expected = [
{'id': 1, 'name': u'source-1', 'target': None},
{'id': 2, 'name': u'source-2', 'target': 'target-1'},
@ -101,14 +241,14 @@ class SlugNullableForeignKeyTests(TestCase):
data = {'id': 1, 'name': u'source-1', 'target': ''}
expected_data = {'id': 1, 'name': u'source-1', 'target': None}
instance = NullableForeignKeySource.objects.get(pk=1)
serializer = NullableSlugSourceSerializer(instance, data=data)
serializer = NullableForeignKeySourceSerializer(instance, data=data)
self.assertTrue(serializer.is_valid())
self.assertEquals(serializer.data, expected_data)
serializer.save()
# Ensure source 1 is updated, and everything else is as expected
queryset = NullableForeignKeySource.objects.all()
serializer = NullableSlugSourceSerializer(queryset)
serializer = NullableForeignKeySourceSerializer(queryset)
expected = [
{'id': 1, 'name': u'source-1', 'target': None},
{'id': 2, 'name': u'source-2', 'target': 'target-1'},