Merge pull request #390 from mouse-reeve/incoming-tests

Incoming tests

bookwyrm/incoming.py

@@ -6,6 +6,7 @@ import django.db.utils
 from django.http import HttpResponse
 from django.http import HttpResponseBadRequest, HttpResponseNotFound
 from django.views.decorators.csrf import csrf_exempt
+from django.views.decorators.http import require_POST
 import requests
 
 from bookwyrm import activitypub, models, outgoing
@@ -15,6 +16,7 @@ from bookwyrm.signatures import Signature
 
 
 @csrf_exempt
+@require_POST
 def inbox(request, username):
     ''' incoming activitypub events '''
     try:
@@ -26,11 +28,9 @@ def inbox(request, username):
 
 
 @csrf_exempt
+@require_POST
 def shared_inbox(request):
     ''' incoming activitypub events '''
-    if request.method == 'GET':
-        return HttpResponseNotFound()
-
     try:
         resp = request.body
         activity = json.loads(resp)
@@ -66,8 +66,8 @@ def shared_inbox(request):
         },
         'Update': {
             'Person': handle_update_user,
-            'Edition': handle_update_book,
+            'Edition': handle_update_edition,
-            'Work': handle_update_book,
+            'Work': handle_update_work,
         },
     }
     activity_type = activity['type']
@@ -141,7 +141,7 @@ def handle_follow(activity):
 def handle_unfollow(activity):
     ''' unfollow a local user '''
     obj = activity['object']
-    requester = activitypub.resolve_remote_id(models.user, obj['actor'])
+    requester = activitypub.resolve_remote_id(models.User, obj['actor'])
     to_unfollow = models.User.objects.get(remote_id=obj['object'])
     # raises models.User.DoesNotExist
 
@@ -226,6 +226,16 @@ def handle_create(activity):
             related_user=status.user,
             related_status=status,
         )
+    if status.mention_users.exists():
+        for mentioned_user in status.mention_users.all():
+            if not mentioned_user.local:
+                continue
+            status_builder.create_notification(
+                mentioned_user,
+                'MENTION',
+                related_user=status.user,
+                related_status=status,
+            )
 
 
 @app.task
@@ -238,11 +248,12 @@ def handle_delete_status(activity):
         # is trying to delete a user.
         return
     try:
-        status = models.Status.objects.select_subclasses().get(
+        status = models.Status.objects.get(
             remote_id=status_id
         )
     except models.Status.DoesNotExist:
         return
+    models.Notification.objects.filter(related_status=status).all().delete()
     status_builder.delete_status(status)
 
 
@@ -327,6 +338,12 @@ def handle_update_user(activity):
 
 
 @app.task
-def handle_update_book(activity):
+def handle_update_edition(activity):
     ''' a remote instance changed a book (Document) '''
     activitypub.Edition(**activity['object']).to_model(models.Edition)
+
+
+@app.task
+def handle_update_work(activity):
+    ''' a remote instance changed a book (Document) '''
+    activitypub.Work(**activity['object']).to_model(models.Work)

bookwyrm/models/fields.py

@@ -42,7 +42,13 @@ class ActivitypubFieldMixin:
 
     def set_field_from_activity(self, instance, data):
         ''' helper function for assinging a value to the field '''
-        value = getattr(data, self.get_activitypub_field())
+        try:
+            value = getattr(data, self.get_activitypub_field())
+        except AttributeError:
+            # masssively hack-y workaround for boosts
+            if self.get_activitypub_field() != 'attributedTo':
+                raise
+            value = getattr(data, 'actor')
         formatted = self.field_from_activity(value)
         if formatted is None or formatted is MISSING:
             return
@@ -231,6 +237,8 @@ class ManyToManyField(ActivitypubFieldMixin, models.ManyToManyField):
 
     def field_from_activity(self, value):
         items = []
+        if value is None or value is MISSING:
+            return []
         for remote_id in value:
             try:
                 validate_remote_id(remote_id)

bookwyrm/models/status.py

@@ -218,6 +218,18 @@ class Boost(Status):
         activitypub_field='object',
     )
 
+    def __init__(self, *args, **kwargs):
+        ''' the user field is "actor" here instead of "attributedTo" '''
+        super().__init__(*args, **kwargs)
+
+        reserve_fields = ['user', 'boosted_status']
+        self.simple_fields = [f for f in self.simple_fields if \
+                f.name in reserve_fields]
+        self.activity_fields = self.simple_fields
+        self.many_to_many_fields = []
+        self.image_fields = []
+        self.deserialize_reverse_fields = []
+
     activity_serializer = activitypub.Boost
 
     # This constraint can't work as it would cross tables.

bookwyrm/tests/data/ap_note.json

@@ -0,0 +1,51 @@
+{
+    "@context": [
+        "https://www.w3.org/ns/activitystreams",
+        {
+            "ostatus": "http://ostatus.org#",
+            "atomUri": "ostatus:atomUri",
+            "inReplyToAtomUri": "ostatus:inReplyToAtomUri",
+            "conversation": "ostatus:conversation",
+            "sensitive": "as:sensitive",
+            "toot": "http://joinmastodon.org/ns#",
+            "votersCount": "toot:votersCount"
+        }
+    ],
+    "id": "https://example.com/users/rat/statuses/1234567",
+    "type": "Note",
+    "summary": null,
+    "inReplyTo": null,
+    "published": "2020-12-13T05:09:29Z",
+    "url": "https://example.com/@rat/1234567",
+    "attributedTo": "https://example.com/users/rat",
+    "to": [
+        "https://example.com/user/mouse"
+    ],
+    "cc": [],
+    "sensitive": false,
+    "atomUri": "https://example.com/users/rat/statuses/1234567",
+    "inReplyToAtomUri": null,
+    "conversation": "tag:example.com,2020-12-13:objectId=7309346:objectType=Conversation",
+    "content": "test content in note",
+    "contentMap": {
+        "en": "<p><span class=\"h-card\"><a href=\"https://5ebd724a6abd.ngrok.io/user/mouse\" class=\"u-url mention\">@<span>mouse</span></a></span> hi</p>"
+    },
+    "attachment": [],
+    "tag": [
+        {
+            "type": "Mention",
+            "href": "https://example.com/user/mouse",
+            "name": "@mouse@example.com"
+        }
+    ],
+    "replies": {
+        "id": "https://example.com/users/rat/statuses/105371151200548049/replies",
+        "type": "Collection",
+        "first": {
+            "type": "CollectionPage",
+            "next": "https://example.com/users/rat/statuses/105371151200548049/replies?only_other_accounts=true&page=true",
+            "partOf": "https://example.com/users/rat/statuses/105371151200548049/replies",
+            "items": []
+        }
+    }
+}

bookwyrm/tests/incoming/__init__.py

@@ -1 +0,0 @@
-from . import *

bookwyrm/tests/incoming/test_favorite.py

@@ -1,51 +0,0 @@
-import json
-import pathlib
-from unittest.mock import patch
-from django.test import TestCase
-
-from bookwyrm import models, incoming
-
-
-class Favorite(TestCase):
-    def setUp(self):
-        with patch('bookwyrm.models.user.set_remote_server.delay'):
-            with patch('bookwyrm.models.user.get_remote_reviews.delay'):
-                self.remote_user = models.User.objects.create_user(
-                    'rat', 'rat@rat.com', 'ratword',
-                    local=False,
-                    remote_id='https://example.com/users/rat',
-                    inbox='https://example.com/users/rat/inbox',
-                    outbox='https://example.com/users/rat/outbox',
-                )
-        self.local_user = models.User.objects.create_user(
-            'mouse', 'mouse@mouse.com', 'mouseword', local=True,
-            remote_id='http://local.com/user/mouse')
-
-        self.status = models.Status.objects.create(
-            user=self.local_user,
-            content='Test status',
-            remote_id='http://local.com/status/1',
-        )
-
-        datafile = pathlib.Path(__file__).parent.joinpath(
-            '../data/ap_user.json'
-        )
-        self.user_data = json.loads(datafile.read_bytes())
-
-
-
-    def test_handle_favorite(self):
-        activity = {
-            '@context': 'https://www.w3.org/ns/activitystreams',
-            'id': 'http://example.com/fav/1',
-            'actor': 'https://example.com/users/rat',
-            'published': 'Mon, 25 May 2020 19:31:20 GMT',
-            'object': 'http://local.com/status/1',
-        }
-
-        incoming.handle_favorite(activity)
-
-        fav = models.Favorite.objects.get(remote_id='http://example.com/fav/1')
-        self.assertEqual(fav.status, self.status)
-        self.assertEqual(fav.remote_id, 'http://example.com/fav/1')
-        self.assertEqual(fav.user, self.remote_user)

bookwyrm/tests/incoming/test_follow.py

@@ -1,77 +0,0 @@
-from unittest.mock import patch
-from django.test import TestCase
-
-from bookwyrm import models, incoming
-
-
-class IncomingFollow(TestCase):
-    def setUp(self):
-        with patch('bookwyrm.models.user.set_remote_server.delay'):
-            with patch('bookwyrm.models.user.get_remote_reviews.delay'):
-                self.remote_user = models.User.objects.create_user(
-                    'rat', 'rat@rat.com', 'ratword',
-                    local=False,
-                    remote_id='https://example.com/users/rat',
-                    inbox='https://example.com/users/rat/inbox',
-                    outbox='https://example.com/users/rat/outbox',
-                )
-        self.local_user = models.User.objects.create_user(
-            'mouse', 'mouse@mouse.com', 'mouseword', local=True)
-        self.local_user.remote_id = 'http://local.com/user/mouse'
-        self.local_user.save()
-
-
-    def test_handle_follow(self):
-        activity = {
-            "@context": "https://www.w3.org/ns/activitystreams",
-            "id": "https://example.com/users/rat/follows/123",
-            "type": "Follow",
-            "actor": "https://example.com/users/rat",
-            "object": "http://local.com/user/mouse"
-        }
-
-        with patch('bookwyrm.broadcast.broadcast_task.delay') as _:
-            incoming.handle_follow(activity)
-
-        # notification created
-        notification = models.Notification.objects.get()
-        self.assertEqual(notification.user, self.local_user)
-        self.assertEqual(notification.notification_type, 'FOLLOW')
-
-        # the request should have been deleted
-        requests = models.UserFollowRequest.objects.all()
-        self.assertEqual(list(requests), [])
-
-        # the follow relationship should exist
-        follow = models.UserFollows.objects.get(user_object=self.local_user)
-        self.assertEqual(follow.user_subject, self.remote_user)
-
-
-    def test_handle_follow_manually_approved(self):
-        activity = {
-            "@context": "https://www.w3.org/ns/activitystreams",
-            "id": "https://example.com/users/rat/follows/123",
-            "type": "Follow",
-            "actor": "https://example.com/users/rat",
-            "object": "http://local.com/user/mouse"
-        }
-
-        self.local_user.manually_approves_followers = True
-        self.local_user.save()
-
-        with patch('bookwyrm.broadcast.broadcast_task.delay') as _:
-            incoming.handle_follow(activity)
-
-        # notification created
-        notification = models.Notification.objects.get()
-        self.assertEqual(notification.user, self.local_user)
-        self.assertEqual(notification.notification_type, 'FOLLOW_REQUEST')
-
-        # the request should exist
-        request = models.UserFollowRequest.objects.get()
-        self.assertEqual(request.user_subject, self.remote_user)
-        self.assertEqual(request.user_object, self.local_user)
-
-        # the follow relationship should not exist
-        follow = models.UserFollows.objects.all()
-        self.assertEqual(list(follow), [])

bookwyrm/tests/incoming/test_follow_accept.py

@@ -1,52 +0,0 @@
-from unittest.mock import patch
-from django.test import TestCase
-
-from bookwyrm import models, incoming
-
-
-class IncomingFollowAccept(TestCase):
-    def setUp(self):
-        with patch('bookwyrm.models.user.set_remote_server.delay'):
-            with patch('bookwyrm.models.user.get_remote_reviews.delay'):
-                self.remote_user = models.User.objects.create_user(
-                    'rat', 'rat@rat.com', 'ratword',
-                    local=False,
-                    remote_id='https://example.com/users/rat',
-                    inbox='https://example.com/users/rat/inbox',
-                    outbox='https://example.com/users/rat/outbox',
-                )
-        self.local_user = models.User.objects.create_user(
-            'mouse', 'mouse@mouse.com', 'mouseword', local=True)
-        self.local_user.remote_id = 'http://local.com/user/mouse'
-        self.local_user.save()
-
-
-    def test_handle_follow_accept(self):
-        activity = {
-            "@context": "https://www.w3.org/ns/activitystreams",
-            "id": "https://example.com/users/rat/follows/123#accepts",
-            "type": "Accept",
-            "actor": "https://example.com/users/rat",
-            "object": {
-                "id": "https://example.com/users/rat/follows/123",
-                "type": "Follow",
-                "actor": "http://local.com/user/mouse",
-                "object": "https://example.com/users/rat"
-            }
-        }
-
-        models.UserFollowRequest.objects.create(
-            user_subject=self.local_user,
-            user_object=self.remote_user
-        )
-        self.assertEqual(models.UserFollowRequest.objects.count(), 1)
-
-        incoming.handle_follow_accept(activity)
-
-        # request should be deleted
-        self.assertEqual(models.UserFollowRequest.objects.count(), 0)
-
-        # relationship should be created
-        follows = self.remote_user.followers
-        self.assertEqual(follows.count(), 1)
-        self.assertEqual(follows.first(), self.local_user)

bookwyrm/tests/models/test_book_model.py

@@ -8,6 +8,7 @@ from bookwyrm.models.book import isbn_10_to_13, isbn_13_to_10
 class Book(TestCase):
     ''' not too much going on in the books model but here we are '''
     def setUp(self):
+        ''' we'll need some books '''
         self.work = models.Work.objects.create(
             title='Example Work',
             remote_id='https://example.com/book/1'
@@ -22,6 +23,7 @@ class Book(TestCase):
         )
 
     def test_remote_id(self):
+        ''' fanciness with remote/origin ids '''
         remote_id = 'https://%s/book/%d' % (settings.DOMAIN, self.work.id)
         self.assertEqual(self.work.get_remote_id(), remote_id)
         self.assertEqual(self.work.remote_id, remote_id)
@@ -54,17 +56,3 @@ class Book(TestCase):
         isbn_13 = '978-1788-16167-1'
         isbn_10 = isbn_13_to_10(isbn_13)
         self.assertEqual(isbn_10, '178816167X')
-
-
-class Shelf(TestCase):
-    def setUp(self):
-        user = models.User.objects.create_user(
-            'mouse', 'mouse@mouse.mouse', 'mouseword', local=True)
-        models.Shelf.objects.create(
-            name='Test Shelf', identifier='test-shelf', user=user)
-
-    def test_remote_id(self):
-        ''' editions and works use the same absolute id syntax '''
-        shelf = models.Shelf.objects.get(identifier='test-shelf')
-        expected_id = 'https://%s/user/mouse/shelf/test-shelf' % settings.DOMAIN
-        self.assertEqual(shelf.get_remote_id(), expected_id)

bookwyrm/tests/models/test_shelf_model.py

@@ -0,0 +1,30 @@
+''' testing models '''
+from django.test import TestCase
+
+from bookwyrm import models, settings
+
+
+class Shelf(TestCase):
+    ''' some activitypub oddness ahead '''
+    def setUp(self):
+        ''' look, a shelf '''
+        self.user = models.User.objects.create_user(
+            'mouse', 'mouse@mouse.mouse', 'mouseword', local=True)
+        self.shelf = models.Shelf.objects.create(
+            name='Test Shelf', identifier='test-shelf', user=self.user)
+
+    def test_remote_id(self):
+        ''' shelves use custom remote ids '''
+        expected_id = 'https://%s/user/mouse/shelf/test-shelf' % settings.DOMAIN
+        self.assertEqual(self.shelf.get_remote_id(), expected_id)
+
+
+    def test_to_activity(self):
+        ''' jsonify it '''
+        activity_json = self.shelf.to_activity()
+        self.assertIsInstance(activity_json, dict)
+        self.assertEqual(activity_json['id'], self.shelf.remote_id)
+        self.assertEqual(activity_json['totalItems'], 0)
+        self.assertEqual(activity_json['type'], 'OrderedCollection')
+        self.assertEqual(activity_json['name'], 'Test Shelf')
+        self.assertEqual(activity_json['owner'], self.user.remote_id)

bookwyrm/tests/test_incoming.py

@@ -0,0 +1,481 @@
+''' test incoming activities '''
+from datetime import datetime
+import json
+import pathlib
+from unittest.mock import patch
+
+from django.http import HttpResponseBadRequest, HttpResponseNotAllowed, \
+        HttpResponseNotFound
+from django.test import TestCase
+from django.test.client import RequestFactory
+
+from bookwyrm import models, incoming
+
+
+#pylint: disable=too-many-public-methods
+class Incoming(TestCase):
+    ''' a lot here: all handlers for receiving activitypub requests '''
+    def setUp(self):
+        ''' we need basic things, like users '''
+        self.local_user = models.User.objects.create_user(
+            'mouse', 'mouse@mouse.com', 'mouseword', local=True)
+        self.local_user.remote_id = 'https://example.com/user/mouse'
+        self.local_user.save()
+        with patch('bookwyrm.models.user.set_remote_server.delay'):
+            self.remote_user = models.User.objects.create_user(
+                'rat', 'rat@rat.com', 'ratword',
+                local=False,
+                remote_id='https://example.com/users/rat',
+                inbox='https://example.com/users/rat/inbox',
+                outbox='https://example.com/users/rat/outbox',
+            )
+        self.status = models.Status.objects.create(
+            user=self.local_user,
+            content='Test status',
+            remote_id='https://example.com/status/1',
+        )
+        self.factory = RequestFactory()
+
+
+    def test_inbox_invalid_get(self):
+        ''' shouldn't try to handle if the user is not found '''
+        request = self.factory.get('https://www.example.com/')
+        self.assertIsInstance(
+            incoming.inbox(request, 'anything'), HttpResponseNotAllowed)
+        self.assertIsInstance(
+            incoming.shared_inbox(request), HttpResponseNotAllowed)
+
+    def test_inbox_invalid_user(self):
+        ''' shouldn't try to handle if the user is not found '''
+        request = self.factory.post('https://www.example.com/')
+        self.assertIsInstance(
+            incoming.inbox(request, 'fish@tomato.com'), HttpResponseNotFound)
+
+    def test_inbox_invalid_no_object(self):
+        ''' json is missing "object" field '''
+        request = self.factory.post(
+            self.local_user.shared_inbox, data={})
+        self.assertIsInstance(
+            incoming.shared_inbox(request), HttpResponseBadRequest)
+
+    def test_inbox_invalid_bad_signature(self):
+        ''' bad request for invalid signature '''
+        request = self.factory.post(
+            self.local_user.shared_inbox,
+            '{"type": "Test", "object": "exists"}',
+            content_type='application/json')
+        with patch('bookwyrm.incoming.has_valid_signature') as mock_has_valid:
+            mock_has_valid.return_value = False
+            self.assertEqual(
+                incoming.shared_inbox(request).status_code, 401)
+
+    def test_inbox_invalid_bad_signature_delete(self):
+        ''' invalid signature for Delete is okay though '''
+        request = self.factory.post(
+            self.local_user.shared_inbox,
+            '{"type": "Delete", "object": "exists"}',
+            content_type='application/json')
+        with patch('bookwyrm.incoming.has_valid_signature') as mock_has_valid:
+            mock_has_valid.return_value = False
+            self.assertEqual(
+                incoming.shared_inbox(request).status_code, 200)
+
+    def test_inbox_unknown_type(self):
+        ''' never heard of that activity type, don't have a handler for it '''
+        request = self.factory.post(
+            self.local_user.shared_inbox,
+            '{"type": "Fish", "object": "exists"}',
+            content_type='application/json')
+        with patch('bookwyrm.incoming.has_valid_signature') as mock_has_valid:
+            mock_has_valid.return_value = True
+            self.assertIsInstance(
+                incoming.shared_inbox(request), HttpResponseNotFound)
+
+    def test_inbox_success(self):
+        ''' a known type, for which we start a task '''
+        request = self.factory.post(
+            self.local_user.shared_inbox,
+            '{"type": "Accept", "object": "exists"}',
+            content_type='application/json')
+        with patch('bookwyrm.incoming.has_valid_signature') as mock_has_valid:
+            mock_has_valid.return_value = True
+
+            with patch('bookwyrm.incoming.handle_follow_accept.delay'):
+                self.assertEqual(
+                    incoming.shared_inbox(request).status_code, 200)
+
+
+    def test_handle_follow(self):
+        ''' remote user wants to follow local user '''
+        activity = {
+            "@context": "https://www.w3.org/ns/activitystreams",
+            "id": "https://example.com/users/rat/follows/123",
+            "type": "Follow",
+            "actor": "https://example.com/users/rat",
+            "object": "https://example.com/user/mouse"
+        }
+
+        with patch('bookwyrm.broadcast.broadcast_task.delay'):
+            incoming.handle_follow(activity)
+
+        # notification created
+        notification = models.Notification.objects.get()
+        self.assertEqual(notification.user, self.local_user)
+        self.assertEqual(notification.notification_type, 'FOLLOW')
+
+        # the request should have been deleted
+        requests = models.UserFollowRequest.objects.all()
+        self.assertEqual(list(requests), [])
+
+        # the follow relationship should exist
+        follow = models.UserFollows.objects.get(user_object=self.local_user)
+        self.assertEqual(follow.user_subject, self.remote_user)
+
+
+    def test_handle_follow_manually_approved(self):
+        ''' needs approval before following '''
+        activity = {
+            "@context": "https://www.w3.org/ns/activitystreams",
+            "id": "https://example.com/users/rat/follows/123",
+            "type": "Follow",
+            "actor": "https://example.com/users/rat",
+            "object": "https://example.com/user/mouse"
+        }
+
+        self.local_user.manually_approves_followers = True
+        self.local_user.save()
+
+        with patch('bookwyrm.broadcast.broadcast_task.delay'):
+            incoming.handle_follow(activity)
+
+        # notification created
+        notification = models.Notification.objects.get()
+        self.assertEqual(notification.user, self.local_user)
+        self.assertEqual(notification.notification_type, 'FOLLOW_REQUEST')
+
+        # the request should exist
+        request = models.UserFollowRequest.objects.get()
+        self.assertEqual(request.user_subject, self.remote_user)
+        self.assertEqual(request.user_object, self.local_user)
+
+        # the follow relationship should not exist
+        follow = models.UserFollows.objects.all()
+        self.assertEqual(list(follow), [])
+
+
+    def test_handle_unfollow(self):
+        ''' remove a relationship '''
+        activity = {
+            "type": "Undo",
+            "@context": "https://www.w3.org/ns/activitystreams",
+            "object": {
+                "id": "https://example.com/users/rat/follows/123",
+                "type": "Follow",
+                "actor": "https://example.com/users/rat",
+                "object": "https://example.com/user/mouse"
+            }
+        }
+        models.UserFollows.objects.create(
+            user_subject=self.remote_user, user_object=self.local_user)
+        self.assertEqual(self.remote_user, self.local_user.followers.first())
+
+        incoming.handle_unfollow(activity)
+        self.assertIsNone(self.local_user.followers.first())
+
+
+    def test_handle_follow_accept(self):
+        ''' a remote user approved a follow request from local '''
+        activity = {
+            "@context": "https://www.w3.org/ns/activitystreams",
+            "id": "https://example.com/users/rat/follows/123#accepts",
+            "type": "Accept",
+            "actor": "https://example.com/users/rat",
+            "object": {
+                "id": "https://example.com/users/rat/follows/123",
+                "type": "Follow",
+                "actor": "https://example.com/user/mouse",
+                "object": "https://example.com/users/rat"
+            }
+        }
+
+        models.UserFollowRequest.objects.create(
+            user_subject=self.local_user,
+            user_object=self.remote_user
+        )
+        self.assertEqual(models.UserFollowRequest.objects.count(), 1)
+
+        incoming.handle_follow_accept(activity)
+
+        # request should be deleted
+        self.assertEqual(models.UserFollowRequest.objects.count(), 0)
+
+        # relationship should be created
+        follows = self.remote_user.followers
+        self.assertEqual(follows.count(), 1)
+        self.assertEqual(follows.first(), self.local_user)
+
+
+    def test_handle_follow_reject(self):
+        ''' turn down a follow request '''
+        activity = {
+            "@context": "https://www.w3.org/ns/activitystreams",
+            "id": "https://example.com/users/rat/follows/123#accepts",
+            "type": "Reject",
+            "actor": "https://example.com/users/rat",
+            "object": {
+                "id": "https://example.com/users/rat/follows/123",
+                "type": "Follow",
+                "actor": "https://example.com/user/mouse",
+                "object": "https://example.com/users/rat"
+            }
+        }
+
+        models.UserFollowRequest.objects.create(
+            user_subject=self.local_user,
+            user_object=self.remote_user
+        )
+        self.assertEqual(models.UserFollowRequest.objects.count(), 1)
+
+        incoming.handle_follow_reject(activity)
+
+        # request should be deleted
+        self.assertEqual(models.UserFollowRequest.objects.count(), 0)
+
+        # relationship should be created
+        follows = self.remote_user.followers
+        self.assertEqual(follows.count(), 0)
+
+
+    def test_handle_create(self):
+        ''' the "it justs works" mode '''
+        self.assertEqual(models.Status.objects.count(), 1)
+
+        datafile = pathlib.Path(__file__).parent.joinpath(
+            'data/ap_quotation.json')
+        status_data = json.loads(datafile.read_bytes())
+        models.Edition.objects.create(
+            title='Test Book', remote_id='https://example.com/book/1')
+        activity = {'object': status_data, 'type': 'Create'}
+
+        incoming.handle_create(activity)
+
+        status = models.Quotation.objects.get()
+        self.assertEqual(
+            status.remote_id, 'https://example.com/user/mouse/quotation/13')
+        self.assertEqual(status.quote, 'quote body')
+        self.assertEqual(status.content, 'commentary')
+        self.assertEqual(status.user, self.local_user)
+        self.assertEqual(models.Status.objects.count(), 2)
+
+        # while we're here, lets ensure we avoid dupes
+        incoming.handle_create(activity)
+        self.assertEqual(models.Status.objects.count(), 2)
+
+    def test_handle_create_remote_note_with_mention(self):
+        ''' should only create it under the right circumstances '''
+        self.assertEqual(models.Status.objects.count(), 1)
+        self.assertFalse(
+            models.Notification.objects.filter(user=self.local_user).exists())
+
+        datafile = pathlib.Path(__file__).parent.joinpath(
+            'data/ap_note.json')
+        status_data = json.loads(datafile.read_bytes())
+        activity = {'object': status_data, 'type': 'Create'}
+
+        incoming.handle_create(activity)
+        status = models.Status.objects.last()
+        self.assertEqual(status.content, 'test content in note')
+        self.assertEqual(status.mention_users.first(), self.local_user)
+        self.assertTrue(
+            models.Notification.objects.filter(user=self.local_user).exists())
+        self.assertEqual(
+            models.Notification.objects.get().notification_type, 'MENTION')
+
+    def test_handle_create_remote_note_with_reply(self):
+        ''' should only create it under the right circumstances '''
+        self.assertEqual(models.Status.objects.count(), 1)
+        self.assertFalse(
+            models.Notification.objects.filter(user=self.local_user))
+
+        datafile = pathlib.Path(__file__).parent.joinpath(
+            'data/ap_note.json')
+        status_data = json.loads(datafile.read_bytes())
+        del status_data['tag']
+        status_data['inReplyTo'] = self.status.remote_id
+        activity = {'object': status_data, 'type': 'Create'}
+
+        incoming.handle_create(activity)
+        status = models.Status.objects.last()
+        self.assertEqual(status.content, 'test content in note')
+        self.assertEqual(status.reply_parent, self.status)
+        self.assertTrue(
+            models.Notification.objects.filter(user=self.local_user))
+        self.assertEqual(
+            models.Notification.objects.get().notification_type, 'REPLY')
+
+
+    def test_handle_delete_status(self):
+        ''' remove a status '''
+        self.assertFalse(self.status.deleted)
+        activity = {
+            'type': 'Delete',
+            'id': '%s/activity' % self.status.remote_id,
+            'actor': self.local_user.remote_id,
+            'object': {'id': self.status.remote_id},
+        }
+        incoming.handle_delete_status(activity)
+        # deletion doens't remove the status, it turns it into a tombstone
+        status = models.Status.objects.get()
+        self.assertTrue(status.deleted)
+        self.assertIsInstance(status.deleted_date, datetime)
+
+
+    def test_handle_delete_status_notifications(self):
+        ''' remove a status with related notifications '''
+        models.Notification.objects.create(
+            related_status=self.status,
+            user=self.local_user,
+            notification_type='MENTION'
+        )
+        # this one is innocent, don't delete it
+        notif = models.Notification.objects.create(
+            user=self.local_user,
+            notification_type='MENTION'
+        )
+        self.assertFalse(self.status.deleted)
+        self.assertEqual(models.Notification.objects.count(), 2)
+        activity = {
+            'type': 'Delete',
+            'id': '%s/activity' % self.status.remote_id,
+            'actor': self.local_user.remote_id,
+            'object': {'id': self.status.remote_id},
+        }
+        incoming.handle_delete_status(activity)
+        # deletion doens't remove the status, it turns it into a tombstone
+        status = models.Status.objects.get()
+        self.assertTrue(status.deleted)
+        self.assertIsInstance(status.deleted_date, datetime)
+
+        # notifications should be truly deleted
+        self.assertEqual(models.Notification.objects.count(), 1)
+        self.assertEqual(models.Notification.objects.get(), notif)
+
+
+    def test_handle_favorite(self):
+        ''' fav a status '''
+        activity = {
+            '@context': 'https://www.w3.org/ns/activitystreams',
+            'id': 'https://example.com/fav/1',
+            'actor': 'https://example.com/users/rat',
+            'published': 'Mon, 25 May 2020 19:31:20 GMT',
+            'object': 'https://example.com/status/1',
+        }
+
+        incoming.handle_favorite(activity)
+
+        fav = models.Favorite.objects.get(remote_id='https://example.com/fav/1')
+        self.assertEqual(fav.status, self.status)
+        self.assertEqual(fav.remote_id, 'https://example.com/fav/1')
+        self.assertEqual(fav.user, self.remote_user)
+
+    def test_handle_unfavorite(self):
+        ''' fav a status '''
+        activity = {
+            'id': 'https://example.com/fav/1#undo',
+            'type': 'Undo',
+            'object': {
+                '@context': 'https://www.w3.org/ns/activitystreams',
+                'id': 'https://example.com/fav/1',
+                'actor': 'https://example.com/users/rat',
+                'published': 'Mon, 25 May 2020 19:31:20 GMT',
+                'object': 'https://example.com/fav/1',
+            }
+        }
+        models.Favorite.objects.create(
+            status=self.status,
+            user=self.remote_user,
+            remote_id='https://example.com/fav/1')
+        self.assertEqual(models.Favorite.objects.count(), 1)
+
+        incoming.handle_unfavorite(activity)
+        self.assertEqual(models.Favorite.objects.count(), 0)
+
+
+    def test_handle_boost(self):
+        ''' boost a status '''
+        self.assertEqual(models.Notification.objects.count(), 0)
+        activity = {
+            'type': 'Announce',
+            'id': '%s/boost' % self.status.remote_id,
+            'actor': self.remote_user.remote_id,
+            'object': self.status.to_activity(),
+        }
+        incoming.handle_boost(activity)
+        boost = models.Boost.objects.get()
+        self.assertEqual(boost.boosted_status, self.status)
+        notification = models.Notification.objects.get()
+        self.assertEqual(notification.user, self.local_user)
+        self.assertEqual(notification.related_status, self.status)
+
+
+    def test_handle_unboost(self):
+        ''' undo a boost '''
+        activity = {
+            'type': 'Undo',
+            'object': {
+                'type': 'Announce',
+                'id': '%s/boost' % self.status.remote_id,
+                'actor': self.local_user.remote_id,
+                'object': self.status.to_activity(),
+            }
+        }
+        models.Boost.objects.create(
+            boosted_status=self.status, user=self.remote_user)
+        incoming.handle_unboost(activity)
+
+    def test_handle_update_user(self):
+        ''' update an existing user '''
+        datafile = pathlib.Path(__file__).parent.joinpath(
+            'data/ap_user.json')
+        userdata = json.loads(datafile.read_bytes())
+        del userdata['icon']
+        self.assertEqual(self.local_user.name, '')
+        incoming.handle_update_user({'object': userdata})
+        user = models.User.objects.get(id=self.local_user.id)
+        self.assertEqual(user.name, 'MOUSE?? MOUSE!!')
+
+
+    def test_handle_update_edition(self):
+        ''' update an existing edition '''
+        datafile = pathlib.Path(__file__).parent.joinpath(
+            'data/fr_edition.json')
+        bookdata = json.loads(datafile.read_bytes())
+
+        book = models.Edition.objects.create(
+            title='Test Book', remote_id='https://bookwyrm.social/book/5989')
+
+        del bookdata['authors']
+        self.assertEqual(book.title, 'Test Book')
+        with patch(
+                'bookwyrm.activitypub.base_activity.set_related_field.delay'):
+            incoming.handle_update_edition({'object': bookdata})
+        book = models.Edition.objects.get(id=book.id)
+        self.assertEqual(book.title, 'Piranesi')
+
+
+    def test_handle_update_work(self):
+        ''' update an existing edition '''
+        datafile = pathlib.Path(__file__).parent.joinpath(
+            'data/fr_work.json')
+        bookdata = json.loads(datafile.read_bytes())
+
+        book = models.Work.objects.create(
+            title='Test Book', remote_id='https://bookwyrm.social/book/5988')
+
+        del bookdata['authors']
+        self.assertEqual(book.title, 'Test Book')
+        with patch(
+                'bookwyrm.activitypub.base_activity.set_related_field.delay'):
+            incoming.handle_update_work({'object': bookdata})
+        book = models.Work.objects.get(id=book.id)
+        self.assertEqual(book.title, 'Piranesi')