diff options
| -rw-r--r-- | README.md | 18 | ||||
| -rw-r--r-- | docs/topics/credits.md | 6 | ||||
| -rw-r--r-- | docs/topics/release-notes.md | 14 | ||||
| -rw-r--r-- | docs/tutorial/5-relationships-and-hyperlinked-apis.md | 4 | ||||
| -rw-r--r-- | rest_framework/__init__.py | 2 | ||||
| -rw-r--r-- | rest_framework/fields.py | 2 | ||||
| -rw-r--r-- | rest_framework/mixins.py | 8 | ||||
| -rw-r--r-- | rest_framework/renderers.py | 2 | ||||
| -rw-r--r-- | rest_framework/serializers.py | 59 | ||||
| -rw-r--r-- | rest_framework/tests/generics.py | 36 | ||||
| -rw-r--r-- | rest_framework/tests/hyperlink_relations.py | 358 | ||||
| -rw-r--r-- | rest_framework/tests/models.py | 2 | ||||
| -rw-r--r-- | rest_framework/tests/renderers.py | 12 |
13 files changed, 475 insertions, 48 deletions
@@ -2,7 +2,9 @@ **A toolkit for building well-connected, self-describing web APIs.** -**Author:** Tom Christie. [Follow me on Twitter][twitter] +**Author:** Tom Christie. [Follow me on Twitter][twitter]. + +**Support:** [REST framework discussion group][group]. [![build-status-image]][travis] @@ -58,6 +60,19 @@ To run the tests. # Changelog +## 2.1.11 + +**Date**: 17th Dec 2012 + +* Bugfix: Fix issue with M2M fields in browseable API. + +## 2.1.10 + +**Date**: 17th Dec 2012 + +* Bugfix: Ensure read-only fields don't have model validation applied. +* Bugfix: Fix hyperlinked fields in paginated results. + ## 2.1.9 **Date**: 11th Dec 2012 @@ -198,6 +213,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. [build-status-image]: https://secure.travis-ci.org/tomchristie/django-rest-framework.png?branch=restframework2 [travis]: http://travis-ci.org/tomchristie/django-rest-framework?branch=master [twitter]: https://twitter.com/_tomchristie +[group]: https://groups.google.com/forum/?fromgroups#!forum/django-rest-framework [0.4]: https://github.com/tomchristie/django-rest-framework/tree/0.4.X [sandbox]: http://restframework.herokuapp.com/ [rest-framework-2-announcement]: http://django-rest-framework.org/topics/rest-framework-2-announcement.html diff --git a/docs/topics/credits.md b/docs/topics/credits.md index ba37ce11..c169fd74 100644 --- a/docs/topics/credits.md +++ b/docs/topics/credits.md @@ -98,10 +98,9 @@ Development of REST framework 2.0 was sponsored by [DabApps]. ## Contact -To contact the author directly: +For usage questions please see the [REST framework discussion group][group]. -* twitter: [@_tomchristie][twitter] -* email: [tom@tomchristie.com][email] +You can also contact [@_tomchristie][twitter] directly on twitter. [email]: mailto:tom@tomchristie.com [twitter]: http://twitter.com/_tomchristie @@ -115,6 +114,7 @@ To contact the author directly: [dabapps]: http://lab.dabapps.com [sandbox]: http://restframework.herokuapp.com/ [heroku]: http://www.heroku.com/ +[group]: https://groups.google.com/forum/?fromgroups#!forum/django-rest-framework [tomchristie]: https://github.com/tomchristie [markotibold]: https://github.com/markotibold diff --git a/docs/topics/release-notes.md b/docs/topics/release-notes.md index 4ea393af..c75f0879 100644 --- a/docs/topics/release-notes.md +++ b/docs/topics/release-notes.md @@ -8,6 +8,20 @@ ### Master +* Bugfix: Fix exception in browseable API on DELETE. +* Bugfix: Fix issue where pk was was being set to a string if set by URL kwarg. + +### 2.1.11 + +**Date**: 17th Dec 2012 + +* Bugfix: Fix issue with M2M fields in browseable API. + +### 2.1.10 + +**Date**: 17th Dec 2012 + +* Bugfix: Ensure read-only fields don't have model validation applied. * Bugfix: Fix hyperlinked fields in paginated results. ### 2.1.9 diff --git a/docs/tutorial/5-relationships-and-hyperlinked-apis.md b/docs/tutorial/5-relationships-and-hyperlinked-apis.md index b5d37875..216ca433 100644 --- a/docs/tutorial/5-relationships-and-hyperlinked-apis.md +++ b/docs/tutorial/5-relationships-and-hyperlinked-apis.md @@ -163,9 +163,9 @@ You can review the final [tutorial code][repo] on GitHub, or try out a live exam We've reached the end of our tutorial. If you want to get more involved in the REST framework project, here's a few places you can start: -* Contribute on [GitHub][github] by reviewing and subitting issues, and making pull requests. +* Contribute on [GitHub][github] by reviewing and submitting issues, and making pull requests. * Join the [REST framework discussion group][group], and help build the community. -* Follow the author [on Twitter][twitter] and say hi. +* [Follow the author on Twitter][twitter] and say hi. **Now go build awesome things.** diff --git a/rest_framework/__init__.py b/rest_framework/__init__.py index 83a6f302..d5cac5c6 100644 --- a/rest_framework/__init__.py +++ b/rest_framework/__init__.py @@ -1,3 +1,3 @@ -__version__ = '2.1.9' +__version__ = '2.1.11' VERSION = __version__ # synonym diff --git a/rest_framework/fields.py b/rest_framework/fields.py index 903c384e..f582a681 100644 --- a/rest_framework/fields.py +++ b/rest_framework/fields.py @@ -32,6 +32,7 @@ def is_simple_callable(obj): class Field(object): + read_only = True creation_counter = 0 empty = '' type_name = None @@ -383,6 +384,7 @@ class ManyRelatedMixin(object): else: if value == ['']: value = [] + into[field_name] = [self.from_native(item) for item in value] diff --git a/rest_framework/mixins.py b/rest_framework/mixins.py index 1edcfa5c..2700606d 100644 --- a/rest_framework/mixins.py +++ b/rest_framework/mixins.py @@ -113,6 +113,10 @@ class UpdateModelMixin(object): slug_field = self.get_slug_field() setattr(obj, slug_field, slug) + # Ensure we clean the attributes so that we don't eg return integer + # pk using a string representation, as provided by the url conf kwarg. + obj.full_clean() + class DestroyModelMixin(object): """ @@ -120,6 +124,6 @@ class DestroyModelMixin(object): Should be mixed in with `SingleObjectBaseView`. """ def destroy(self, request, *args, **kwargs): - self.object = self.get_object() - self.object.delete() + obj = self.get_object() + obj.delete() return Response(status=status.HTTP_204_NO_CONTENT) diff --git a/rest_framework/renderers.py b/rest_framework/renderers.py index 1220bca1..a4ae717d 100644 --- a/rest_framework/renderers.py +++ b/rest_framework/renderers.py @@ -20,7 +20,7 @@ from rest_framework.utils import dict2xml from rest_framework.utils import encoders from rest_framework.utils.breadcrumbs import get_breadcrumbs from rest_framework import VERSION, status -from rest_framework import serializers, parsers +from rest_framework import parsers class BaseRenderer(object): diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py index 8026205e..8156bc18 100644 --- a/rest_framework/serializers.py +++ b/rest_framework/serializers.py @@ -128,17 +128,6 @@ class BaseSerializer(Field): """ return {} - def get_excluded_fieldnames(self): - """ - Returns the fieldnames that should not be validated. - """ - excluded_fields = list(self.opts.exclude) - if self.opts.fields: - for field in self.fields.keys() + self.get_default_fields().keys(): - if field not in list(self.opts.fields) + excluded_fields: - excluded_fields.append(field) - return excluded_fields - def get_fields(self): """ Returns the complete set of fields for the object as a dict. @@ -171,6 +160,9 @@ class BaseSerializer(Field): for key in self.opts.exclude: ret.pop(key, None) + for key, field in ret.items(): + field.initialize(parent=self, field_name=key) + return ret ##### @@ -185,13 +177,6 @@ class BaseSerializer(Field): if parent.opts.depth: self.opts.depth = parent.opts.depth - 1 - # We need to call initialize here to ensure any nested - # serializers that will have already called initialize on their - # descendants get updated with *their* parent. - # We could be a bit more smart about this, but it'll do for now. - for key, field in self.fields.items(): - field.initialize(parent=self, field_name=key) - ##### # Methods to convert or revert from objects <--> primitive representations. @@ -491,6 +476,18 @@ class ModelSerializer(Serializer): except KeyError: return ModelField(model_field=model_field, **kwargs) + def get_validation_exclusions(self): + """ + Return a list of field names to exclude from model validation. + """ + cls = self.opts.model + opts = get_concrete_model(cls)._meta + exclusions = [field.name for field in opts.fields + opts.many_to_many] + for field_name, field in self.fields.items(): + if field_name in exclusions and not field.read_only: + exclusions.remove(field_name) + return exclusions + def restore_object(self, attrs, instance=None): """ Restore the model instance. @@ -500,25 +497,27 @@ class ModelSerializer(Serializer): if instance is not None: for key, val in attrs.items(): setattr(instance, key, val) - return instance - # Reverse relations - for (obj, model) in self.opts.model._meta.get_all_related_m2m_objects_with_model(): - field_name = obj.field.related_query_name() - if field_name in attrs: - self.m2m_data[field_name] = attrs.pop(field_name) + else: + # Reverse relations + for (obj, model) in self.opts.model._meta.get_all_related_m2m_objects_with_model(): + field_name = obj.field.related_query_name() + if field_name in attrs: + self.m2m_data[field_name] = attrs.pop(field_name) + + # Forward relations + for field in self.opts.model._meta.many_to_many: + if field.name in attrs: + self.m2m_data[field.name] = attrs.pop(field.name) - # Forward relations - for field in self.opts.model._meta.many_to_many: - if field.name in attrs: - self.m2m_data[field.name] = attrs.pop(field.name) + instance = self.opts.model(**attrs) - instance = self.opts.model(**attrs) try: - instance.full_clean(exclude=list(self.get_excluded_fieldnames())) + instance.full_clean(exclude=self.get_validation_exclusions()) except ValidationError, err: self._errors = err.message_dict return None + return instance def save(self, save_m2m=True): diff --git a/rest_framework/tests/generics.py b/rest_framework/tests/generics.py index a8279ef2..7c24d84e 100644 --- a/rest_framework/tests/generics.py +++ b/rest_framework/tests/generics.py @@ -1,3 +1,4 @@ +from django.db import models from django.test import TestCase from django.test.client import RequestFactory from django.utils import simplejson as json @@ -174,7 +175,7 @@ class TestInstanceView(TestCase): content = {'text': 'foobar'} request = factory.put('/1', json.dumps(content), content_type='application/json') - response = self.view(request, pk=1).render() + response = self.view(request, pk='1').render() self.assertEquals(response.status_code, status.HTTP_200_OK) self.assertEquals(response.data, {'id': 1, 'text': 'foobar'}) updated = self.objects.get(id=1) @@ -301,3 +302,36 @@ class TestCreateModelWithAutoNowAddField(TestCase): self.assertEquals(response.status_code, status.HTTP_201_CREATED) created = self.objects.get(id=1) self.assertEquals(created.content, 'foobar') + + +# Test for particularly ugly reression with m2m in browseable API +class ClassB(models.Model): + name = models.CharField(max_length=255) + + +class ClassA(models.Model): + name = models.CharField(max_length=255) + childs = models.ManyToManyField(ClassB, blank=True, null=True) + + +class ClassASerializer(serializers.ModelSerializer): + childs = serializers.ManyPrimaryKeyRelatedField(source='childs') + + class Meta: + model = ClassA + + +class ExampleView(generics.ListCreateAPIView): + serializer_class = ClassASerializer + model = ClassA + + +class TestM2MBrowseableAPI(TestCase): + def test_m2m_in_browseable_api(self): + """ + Test for particularly ugly reression with m2m in browseable API + """ + request = factory.get('/', HTTP_ACCEPT='text/html') + view = ExampleView().as_view() + response = view(request).render() + self.assertEquals(response.status_code, status.HTTP_200_OK) diff --git a/rest_framework/tests/hyperlink_relations.py b/rest_framework/tests/hyperlink_relations.py new file mode 100644 index 00000000..8f023873 --- /dev/null +++ b/rest_framework/tests/hyperlink_relations.py @@ -0,0 +1,358 @@ +from django.conf.urls import patterns, url +from django.db import models +from django.test import TestCase +from rest_framework import serializers + + +def dummy_view(request, pk): + pass + +urlpatterns = patterns('', + url(r'^manytomanysource/(?P<pk>[0-9]+)/$', dummy_view, name='manytomanysource-detail'), + url(r'^manytomanytarget/(?P<pk>[0-9]+)/$', dummy_view, name='manytomanytarget-detail'), + url(r'^foreignkeysource/(?P<pk>[0-9]+)/$', dummy_view, name='foreignkeysource-detail'), + url(r'^foreignkeytarget/(?P<pk>[0-9]+)/$', dummy_view, name='foreignkeytarget-detail'), + url(r'^nullableforeignkeysource/(?P<pk>[0-9]+)/$', dummy_view, name='nullableforeignkeysource-detail'), +) + + +# ManyToMany + +class ManyToManyTarget(models.Model): + name = models.CharField(max_length=100) + + +class ManyToManySource(models.Model): + name = models.CharField(max_length=100) + targets = models.ManyToManyField(ManyToManyTarget, related_name='sources') + + +class ManyToManyTargetSerializer(serializers.HyperlinkedModelSerializer): + sources = serializers.ManyHyperlinkedRelatedField(view_name='manytomanysource-detail') + + class Meta: + model = ManyToManyTarget + + +class ManyToManySourceSerializer(serializers.HyperlinkedModelSerializer): + class Meta: + model = ManyToManySource + + +# ForeignKey + +class ForeignKeyTarget(models.Model): + name = models.CharField(max_length=100) + + +class ForeignKeySource(models.Model): + name = models.CharField(max_length=100) + target = models.ForeignKey(ForeignKeyTarget, related_name='sources') + + +class ForeignKeyTargetSerializer(serializers.HyperlinkedModelSerializer): + sources = serializers.ManyHyperlinkedRelatedField(view_name='foreignkeysource-detail', read_only=True) + + class Meta: + model = ForeignKeyTarget + + +class ForeignKeySourceSerializer(serializers.HyperlinkedModelSerializer): + class Meta: + model = ForeignKeySource + + +# Nullable ForeignKey + +class NullableForeignKeySource(models.Model): + name = models.CharField(max_length=100) + target = models.ForeignKey(ForeignKeyTarget, null=True, blank=True, + related_name='nullable_sources') + + +class NullableForeignKeySourceSerializer(serializers.HyperlinkedModelSerializer): + class Meta: + model = NullableForeignKeySource + + +# TODO: Add test that .data cannot be accessed prior to .is_valid + +class HyperlinkedManyToManyTests(TestCase): + urls = 'rest_framework.tests.hyperlink_relations' + + def setUp(self): + for idx in range(1, 4): + target = ManyToManyTarget(name='target-%d' % idx) + target.save() + source = ManyToManySource(name='source-%d' % idx) + source.save() + for target in ManyToManyTarget.objects.all(): + source.targets.add(target) + + def test_many_to_many_retrieve(self): + queryset = ManyToManySource.objects.all() + serializer = ManyToManySourceSerializer(queryset) + expected = [ + {'url': '/manytomanysource/1/', 'name': u'source-1', 'targets': ['/manytomanytarget/1/']}, + {'url': '/manytomanysource/2/', 'name': u'source-2', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/']}, + {'url': '/manytomanysource/3/', 'name': u'source-3', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/', '/manytomanytarget/3/']} + ] + self.assertEquals(serializer.data, expected) + + def test_reverse_many_to_many_retrieve(self): + queryset = ManyToManyTarget.objects.all() + serializer = ManyToManyTargetSerializer(queryset) + expected = [ + {'url': '/manytomanytarget/1/', 'name': u'target-1', 'sources': ['/manytomanysource/1/', '/manytomanysource/2/', '/manytomanysource/3/']}, + {'url': '/manytomanytarget/2/', 'name': u'target-2', 'sources': ['/manytomanysource/2/', '/manytomanysource/3/']}, + {'url': '/manytomanytarget/3/', 'name': u'target-3', 'sources': ['/manytomanysource/3/']} + ] + self.assertEquals(serializer.data, expected) + + def test_many_to_many_update(self): + data = {'url': '/manytomanysource/1/', 'name': u'source-1', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/', '/manytomanytarget/3/']} + instance = ManyToManySource.objects.get(pk=1) + serializer = ManyToManySourceSerializer(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 = ManyToManySource.objects.all() + serializer = ManyToManySourceSerializer(queryset) + expected = [ + {'url': '/manytomanysource/1/', 'name': u'source-1', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/', '/manytomanytarget/3/']}, + {'url': '/manytomanysource/2/', 'name': u'source-2', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/']}, + {'url': '/manytomanysource/3/', 'name': u'source-3', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/', '/manytomanytarget/3/']} + ] + self.assertEquals(serializer.data, expected) + + def test_reverse_many_to_many_update(self): + data = {'url': '/manytomanytarget/1/', 'name': u'target-1', 'sources': ['/manytomanysource/1/']} + instance = ManyToManyTarget.objects.get(pk=1) + serializer = ManyToManyTargetSerializer(instance, data=data) + self.assertTrue(serializer.is_valid()) + self.assertEquals(serializer.data, data) + serializer.save() + + # Ensure target 1 is updated, and everything else is as expected + queryset = ManyToManyTarget.objects.all() + serializer = ManyToManyTargetSerializer(queryset) + expected = [ + {'url': '/manytomanytarget/1/', 'name': u'target-1', 'sources': ['/manytomanysource/1/']}, + {'url': '/manytomanytarget/2/', 'name': u'target-2', 'sources': ['/manytomanysource/2/', '/manytomanysource/3/']}, + {'url': '/manytomanytarget/3/', 'name': u'target-3', 'sources': ['/manytomanysource/3/']} + + ] + self.assertEquals(serializer.data, expected) + + def test_many_to_many_create(self): + data = {'url': '/manytomanysource/4/', 'name': u'source-4', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/3/']} + serializer = ManyToManySourceSerializer(data=data) + 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 = ManyToManySource.objects.all() + serializer = ManyToManySourceSerializer(queryset) + expected = [ + {'url': '/manytomanysource/1/', 'name': u'source-1', 'targets': ['/manytomanytarget/1/']}, + {'url': '/manytomanysource/2/', 'name': u'source-2', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/']}, + {'url': '/manytomanysource/3/', 'name': u'source-3', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/2/', '/manytomanytarget/3/']}, + {'url': '/manytomanysource/4/', 'name': u'source-4', 'targets': ['/manytomanytarget/1/', '/manytomanytarget/3/']} + ] + self.assertEquals(serializer.data, expected) + + def test_reverse_many_to_many_create(self): + data = {'url': '/manytomanytarget/4/', 'name': u'target-4', 'sources': ['/manytomanysource/1/', '/manytomanysource/3/']} + serializer = ManyToManyTargetSerializer(data=data) + self.assertTrue(serializer.is_valid()) + obj = serializer.save() + self.assertEquals(serializer.data, data) + self.assertEqual(obj.name, u'target-4') + + # Ensure target 4 is added, and everything else is as expected + queryset = ManyToManyTarget.objects.all() + serializer = ManyToManyTargetSerializer(queryset) + expected = [ + {'url': '/manytomanytarget/1/', 'name': u'target-1', 'sources': ['/manytomanysource/1/', '/manytomanysource/2/', '/manytomanysource/3/']}, + {'url': '/manytomanytarget/2/', 'name': u'target-2', 'sources': ['/manytomanysource/2/', '/manytomanysource/3/']}, + {'url': '/manytomanytarget/3/', 'name': u'target-3', 'sources': ['/manytomanysource/3/']}, + {'url': '/manytomanytarget/4/', 'name': u'target-4', 'sources': ['/manytomanysource/1/', '/manytomanysource/3/']} + ] + self.assertEquals(serializer.data, expected) + + +class HyperlinkedForeignKeyTests(TestCase): + urls = 'rest_framework.tests.hyperlink_relations' + + 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 = [ + {'url': '/foreignkeysource/1/', 'name': u'source-1', 'target': '/foreignkeytarget/1/'}, + {'url': '/foreignkeysource/2/', 'name': u'source-2', 'target': '/foreignkeytarget/1/'}, + {'url': '/foreignkeysource/3/', 'name': u'source-3', 'target': '/foreignkeytarget/1/'} + ] + self.assertEquals(serializer.data, expected) + + def test_reverse_foreign_key_retrieve(self): + queryset = ForeignKeyTarget.objects.all() + serializer = ForeignKeyTargetSerializer(queryset) + 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(serializer.data, expected) + + def test_foreign_key_update(self): + data = {'url': '/foreignkeysource/1/', 'name': u'source-1', 'target': '/foreignkeytarget/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 = [ + {'url': '/foreignkeysource/1/', 'name': u'source-1', 'target': '/foreignkeytarget/2/'}, + {'url': '/foreignkeysource/2/', 'name': u'source-2', 'target': '/foreignkeytarget/1/'}, + {'url': '/foreignkeysource/3/', 'name': u'source-3', 'target': '/foreignkeytarget/1/'} + ] + self.assertEquals(serializer.data, expected) + + def test_foreign_key_update_with_invalid_null(self): + data = {'url': '/foreignkeysource/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 HyperlinkedNullableForeignKeyTests(TestCase): + urls = 'rest_framework.tests.hyperlink_relations' + + def setUp(self): + target = ForeignKeyTarget(name='target-1') + target.save() + for idx in range(1, 4): + source = NullableForeignKeySource(name='source-%d' % idx, target=target) + source.save() + + def test_foreign_key_create_with_valid_null(self): + data = {'url': '/nullableforeignkeysource/4/', 'name': u'source-4', 'target': None} + serializer = NullableForeignKeySourceSerializer(data=data) + self.assertTrue(serializer.is_valid()) + obj = serializer.save() + self.assertEquals(serializer.data, data) + self.assertEqual(obj.name, u'source-4') + + # Ensure source 4 is created, and everything else is as expected + queryset = NullableForeignKeySource.objects.all() + serializer = NullableForeignKeySourceSerializer(queryset) + expected = [ + {'url': '/nullableforeignkeysource/1/', 'name': u'source-1', 'target': '/foreignkeytarget/1/'}, + {'url': '/nullableforeignkeysource/2/', 'name': u'source-2', 'target': '/foreignkeytarget/1/'}, + {'url': '/nullableforeignkeysource/3/', 'name': u'source-3', 'target': '/foreignkeytarget/1/'}, + {'url': '/nullableforeignkeysource/4/', 'name': u'source-4', 'target': None} + ] + self.assertEquals(serializer.data, expected) + + def test_foreign_key_create_with_valid_emptystring(self): + """ + The emptystring should be interpreted as null in the context + of relationships. + """ + data = {'url': '/nullableforeignkeysource/4/', 'name': u'source-4', 'target': ''} + expected_data = {'url': '/nullableforeignkeysource/4/', 'name': u'source-4', 'target': None} + serializer = NullableForeignKeySourceSerializer(data=data) + self.assertTrue(serializer.is_valid()) + obj = serializer.save() + self.assertEquals(serializer.data, expected_data) + self.assertEqual(obj.name, u'source-4') + + # Ensure source 4 is created, and everything else is as expected + queryset = NullableForeignKeySource.objects.all() + serializer = NullableForeignKeySourceSerializer(queryset) + expected = [ + {'url': '/nullableforeignkeysource/1/', 'name': u'source-1', 'target': '/foreignkeytarget/1/'}, + {'url': '/nullableforeignkeysource/2/', 'name': u'source-2', 'target': '/foreignkeytarget/1/'}, + {'url': '/nullableforeignkeysource/3/', 'name': u'source-3', 'target': '/foreignkeytarget/1/'}, + {'url': '/nullableforeignkeysource/4/', 'name': u'source-4', 'target': None} + ] + self.assertEquals(serializer.data, expected) + + def test_foreign_key_update_with_valid_null(self): + data = {'url': '/nullableforeignkeysource/1/', 'name': u'source-1', 'target': None} + instance = NullableForeignKeySource.objects.get(pk=1) + 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 = NullableForeignKeySourceSerializer(queryset) + expected = [ + {'url': '/nullableforeignkeysource/1/', 'name': u'source-1', 'target': None}, + {'url': '/nullableforeignkeysource/2/', 'name': u'source-2', 'target': '/foreignkeytarget/1/'}, + {'url': '/nullableforeignkeysource/3/', 'name': u'source-3', 'target': '/foreignkeytarget/1/'}, + ] + self.assertEquals(serializer.data, expected) + + def test_foreign_key_update_with_valid_emptystring(self): + """ + The emptystring should be interpreted as null in the context + of relationships. + """ + data = {'url': '/nullableforeignkeysource/1/', 'name': u'source-1', 'target': ''} + expected_data = {'url': '/nullableforeignkeysource/1/', 'name': u'source-1', 'target': None} + instance = NullableForeignKeySource.objects.get(pk=1) + 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 = NullableForeignKeySourceSerializer(queryset) + expected = [ + {'url': '/nullableforeignkeysource/1/', 'name': u'source-1', 'target': None}, + {'url': '/nullableforeignkeysource/2/', 'name': u'source-2', 'target': '/foreignkeytarget/1/'}, + {'url': '/nullableforeignkeysource/3/', 'name': u'source-3', 'target': '/foreignkeytarget/1/'}, + ] + self.assertEquals(serializer.data, expected) + + # reverse foreign keys MUST be read_only + # In the general case they do not provide .remove() or .clear() + # and cannot be arbitrarily set. + + # def test_reverse_foreign_key_update(self): + # data = {'id': 1, 'name': u'target-1', 'sources': [1]} + # instance = ForeignKeyTarget.objects.get(pk=1) + # serializer = ForeignKeyTargetSerializer(instance, data=data) + # self.assertTrue(serializer.is_valid()) + # self.assertEquals(serializer.data, data) + # serializer.save() + + # # Ensure target 1 is updated, and everything else is as expected + # queryset = ForeignKeyTarget.objects.all() + # serializer = ForeignKeyTargetSerializer(queryset) + # expected = [ + # {'id': 1, 'name': u'target-1', 'sources': [1]}, + # {'id': 2, 'name': u'target-2', 'sources': []}, + # ] + # self.assertEquals(serializer.data, expected) diff --git a/rest_framework/tests/models.py b/rest_framework/tests/models.py index 807bcf98..1b1def30 100644 --- a/rest_framework/tests/models.py +++ b/rest_framework/tests/models.py @@ -65,7 +65,7 @@ class BasicModel(RESTFrameworkModel): class SlugBasedModel(RESTFrameworkModel): text = models.CharField(max_length=100) - slug = models.SlugField(max_length=32, blank=True) + slug = models.SlugField(max_length=32) class DefaultValueModel(RESTFrameworkModel): diff --git a/rest_framework/tests/renderers.py b/rest_framework/tests/renderers.py index 9be4b114..fb843676 100644 --- a/rest_framework/tests/renderers.py +++ b/rest_framework/tests/renderers.py @@ -444,19 +444,19 @@ class CacheRenderTest(TestCase): return if state == None: return - if isinstance(state,tuple): - if not isinstance(state[0],dict): - state=state[1] + if isinstance(state, tuple): + if not isinstance(state[0], dict): + state = state[1] else: - state=state[0].update(state[1]) + state = state[0].update(state[1]) result = {} for i in state: try: - pickle.dumps(state[i],protocol=2) + pickle.dumps(state[i], protocol=2) except pickle.PicklingError: if not state[i] in seen: seen.append(state[i]) - result[i] = cls._get_pickling_errors(state[i],seen) + result[i] = cls._get_pickling_errors(state[i], seen) return result def http_resp(self, http_method, url): |