[PATCH 04/17] REST: Ensure submission exists for comment listing

[Daniel Axtens]

LGTM.

Regards,
Daniel

Stephen Finucane <stephen at that.guru> writes:

> Signed-off-by: Stephen Finucane <stephen at that.guru>
> Closes: #225
> ---
>  patchwork/api/comment.py                           |  5 +++++
>  patchwork/tests/api/test_comment.py                | 13 +++++++++++++
>  releasenotes/notes/issue-225-94215600c1b23f6e.yaml |  6 ++++++
>  3 files changed, 24 insertions(+)
>  create mode 100644 releasenotes/notes/issue-225-94215600c1b23f6e.yaml
>
> diff --git a/patchwork/api/comment.py b/patchwork/api/comment.py
> index 214a9438..57b37111 100644
> --- a/patchwork/api/comment.py
> +++ b/patchwork/api/comment.py
> @@ -5,6 +5,7 @@
>  
>  import email.parser
>  
> +from django.http import Http404
>  from rest_framework.generics import ListAPIView
>  from rest_framework.serializers import SerializerMethodField
>  
> @@ -12,6 +13,7 @@ from patchwork.api.base import BaseHyperlinkedModelSerializer
>  from patchwork.api.base import PatchworkPermission
>  from patchwork.api.embedded import PersonSerializer
>  from patchwork.models import Comment
> +from patchwork.models import Submission
>  
>  
>  class CommentListSerializer(BaseHyperlinkedModelSerializer):
> @@ -64,6 +66,9 @@ class CommentList(ListAPIView):
>      lookup_url_kwarg = 'pk'
>  
>      def get_queryset(self):
> +        if not Submission.objects.filter(pk=self.kwargs['pk']).exists():
> +            raise Http404
> +
>          return Comment.objects.filter(
>              submission=self.kwargs['pk']
>          ).select_related('submitter')
> diff --git a/patchwork/tests/api/test_comment.py b/patchwork/tests/api/test_comment.py
> index a0aec594..06fe2de3 100644
> --- a/patchwork/tests/api/test_comment.py
> +++ b/patchwork/tests/api/test_comment.py
> @@ -5,6 +5,7 @@
>  
>  import unittest
>  
> +from django.http import Http404
>  from django.conf import settings
>  from django.urls import NoReverseMatch
>  from django.urls import reverse
> @@ -61,6 +62,12 @@ class TestCoverComments(APITestCase):
>          with self.assertRaises(NoReverseMatch):
>              self.client.get(self.api_url(cover_obj, version='1.0'))
>  
> +    def test_list_invalid_cover(self):
> +        """Ensure we get a 404 for a non-existent cover letter."""
> +        resp = self.client.get(
> +            reverse('api-cover-comment-list', kwargs={'pk': '99999'}))
> +        self.assertEqual(status.HTTP_404_NOT_FOUND, resp.status_code)
> +
>  
>  @unittest.skipUnless(settings.ENABLE_REST_API, 'requires ENABLE_REST_API')
>  class TestPatchComments(APITestCase):
> @@ -99,3 +106,9 @@ class TestPatchComments(APITestCase):
>          # check we can't access comments using the old version of the API
>          with self.assertRaises(NoReverseMatch):
>              self.client.get(self.api_url(patch_obj, version='1.0'))
> +
> +    def test_list_invalid_patch(self):
> +        """Ensure we get a 404 for a non-existent patch."""
> +        resp = self.client.get(
> +            reverse('api-patch-comment-list', kwargs={'pk': '99999'}))
> +        self.assertEqual(status.HTTP_404_NOT_FOUND, resp.status_code)
> diff --git a/releasenotes/notes/issue-225-94215600c1b23f6e.yaml b/releasenotes/notes/issue-225-94215600c1b23f6e.yaml
> new file mode 100644
> index 00000000..035e38d8
> --- /dev/null
> +++ b/releasenotes/notes/issue-225-94215600c1b23f6e.yaml
> @@ -0,0 +1,6 @@
> +---
> +fixes:
> +  - |
> +    Showing comments for a non-existant patch or cover letter was returning an
> +    empty response instead of a HTTP 404. This issue is resolved for both
> +    resources.
> -- 
> 2.17.2
>
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