diff options
| -rw-r--r-- | rest_framework/serializers.py | 3 | ||||
| -rw-r--r-- | rest_framework/tests/models.py | 3 | ||||
| -rw-r--r-- | rest_framework/tests/serializer.py | 33 |
3 files changed, 30 insertions, 9 deletions
diff --git a/rest_framework/serializers.py b/rest_framework/serializers.py index 397866a7..2e7e2cf5 100644 --- a/rest_framework/serializers.py +++ b/rest_framework/serializers.py @@ -277,6 +277,9 @@ class BaseSerializer(Field): """ obj = getattr(obj, self.source or field_name) + if is_simple_callable(obj): + obj = obj() + # If the object has an "all" method, assume it's a relationship if is_simple_callable(getattr(obj, 'all', None)): return [self.to_native(item) for item in obj.all()] diff --git a/rest_framework/tests/models.py b/rest_framework/tests/models.py index 59d81150..3704cda7 100644 --- a/rest_framework/tests/models.py +++ b/rest_framework/tests/models.py @@ -127,6 +127,9 @@ class ActionItem(RESTFrameworkModel): class BlogPost(RESTFrameworkModel): title = models.CharField(max_length=100) + def get_first_comment(self): + return self.blogpostcomment_set.all()[0] + class BlogPostComment(RESTFrameworkModel): text = models.TextField() diff --git a/rest_framework/tests/serializer.py b/rest_framework/tests/serializer.py index 814c2499..d522ef97 100644 --- a/rest_framework/tests/serializer.py +++ b/rest_framework/tests/serializer.py @@ -479,7 +479,10 @@ class CallableDefaultValueTests(TestCase): class ManyRelatedTests(TestCase): - def setUp(self): + def test_reverse_relations(self): + post = BlogPost.objects.create(title="Test blog post") + post.blogpostcomment_set.create(text="I hate this blog post") + post.blogpostcomment_set.create(text="I love this blog post") class BlogPostCommentSerializer(serializers.Serializer): text = serializers.CharField() @@ -488,14 +491,7 @@ class ManyRelatedTests(TestCase): title = serializers.CharField() comments = BlogPostCommentSerializer(source='blogpostcomment_set') - self.serializer_class = BlogPostSerializer - - def test_reverse_relations(self): - post = BlogPost.objects.create(title="Test blog post") - post.blogpostcomment_set.create(text="I hate this blog post") - post.blogpostcomment_set.create(text="I love this blog post") - - serializer = self.serializer_class(instance=post) + serializer = BlogPostSerializer(instance=post) expected = { 'title': 'Test blog post', 'comments': [ @@ -506,6 +502,25 @@ class ManyRelatedTests(TestCase): self.assertEqual(serializer.data, expected) + def test_callable_source(self): + post = BlogPost.objects.create(title="Test blog post") + post.blogpostcomment_set.create(text="I love this blog post") + + class BlogPostCommentSerializer(serializers.Serializer): + text = serializers.CharField() + + class BlogPostSerializer(serializers.Serializer): + title = serializers.CharField() + first_comment = BlogPostCommentSerializer(source='get_first_comment') + + serializer = BlogPostSerializer(post) + + expected = { + 'title': 'Test blog post', + 'first_comment': {'text': 'I love this blog post'} + } + self.assertEqual(serializer.data, expected) + # Test for issue #324 class BlankFieldTests(TestCase): |