moviewyrm/bookwyrm/tests/models/test_activitypub_mixin.py

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''' testing model activitypub utilities '''
from unittest.mock import patch
from collections import namedtuple
from dataclasses import dataclass
import re
from django import db
from django.test import TestCase
from bookwyrm.activitypub.base_activity import ActivityObject
from bookwyrm import models
from bookwyrm.models import base_model
from bookwyrm.models.activitypub_mixin import ActivitypubMixin
from bookwyrm.models.activitypub_mixin import ActivityMixin, ObjectMixin
class ActivitypubMixins(TestCase):
''' functionality shared across models '''
def setUp(self):
''' shared data '''
self.local_user = models.User.objects.create_user(
'mouse', 'mouse@mouse.com', 'mouseword',
local=True, localname='mouse')
self.local_user.remote_id = 'http://example.com/a/b'
self.local_user.save(broadcast=False)
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',
)
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self.object_mock = {
'to': 'to field', 'cc': 'cc field',
'content': 'hi', 'id': 'bip', 'type': 'Test',
'published': '2020-12-04T17:52:22.623807+00:00',
}
# ActivitypubMixin
def test_to_activity(self):
''' model to ActivityPub json '''
@dataclass(init=False)
class TestActivity(ActivityObject):
''' real simple mock '''
type: str = 'Test'
class TestModel(ActivitypubMixin, base_model.BookWyrmModel):
''' real simple mock model because BookWyrmModel is abstract '''
instance = TestModel()
instance.remote_id = 'https://www.example.com/test'
instance.activity_serializer = TestActivity
activity = instance.to_activity()
self.assertIsInstance(activity, dict)
self.assertEqual(activity['id'], 'https://www.example.com/test')
self.assertEqual(activity['type'], 'Test')
def test_find_existing_by_remote_id(self):
''' attempt to match a remote id to an object in the db '''
# uses a different remote id scheme
# this isn't really part of this test directly but it's helpful to state
book = models.Edition.objects.create(
title='Test Edition', remote_id='http://book.com/book')
self.assertEqual(book.origin_id, 'http://book.com/book')
self.assertNotEqual(book.remote_id, 'http://book.com/book')
# uses subclasses
with patch('bookwyrm.models.activitypub_mixin.broadcast_task.delay'):
models.Comment.objects.create(
user=self.local_user, content='test status', book=book, \
remote_id='https://comment.net')
result = models.User.find_existing_by_remote_id('hi')
self.assertIsNone(result)
result = models.User.find_existing_by_remote_id(
'http://example.com/a/b')
self.assertEqual(result, self.local_user)
# test using origin id
result = models.Edition.find_existing_by_remote_id(
'http://book.com/book')
self.assertEqual(result, book)
# test subclass match
result = models.Status.find_existing_by_remote_id(
'https://comment.net')
def test_find_existing(self):
''' match a blob of data to a model '''
book = models.Edition.objects.create(
title='Test edition',
openlibrary_key='OL1234',
)
result = models.Edition.find_existing(
{'openlibraryKey': 'OL1234'})
self.assertEqual(result, book)
def test_get_recipients_public_object(self):
''' determines the recipients for an object's broadcast '''
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MockSelf = namedtuple('Self', ('privacy'))
mock_self = MockSelf('public')
recipients = ActivitypubMixin.get_recipients(mock_self)
self.assertEqual(len(recipients), 1)
self.assertEqual(recipients[0], self.remote_user.inbox)
def test_get_recipients_public_user_object_no_followers(self):
''' determines the recipients for a user's object broadcast '''
MockSelf = namedtuple('Self', ('privacy', 'user'))
mock_self = MockSelf('public', self.local_user)
recipients = ActivitypubMixin.get_recipients(mock_self)
self.assertEqual(len(recipients), 0)
def test_get_recipients_public_user_object(self):
''' determines the recipients for a user's object broadcast '''
MockSelf = namedtuple('Self', ('privacy', 'user'))
mock_self = MockSelf('public', self.local_user)
self.local_user.followers.add(self.remote_user)
recipients = ActivitypubMixin.get_recipients(mock_self)
self.assertEqual(len(recipients), 1)
self.assertEqual(recipients[0], self.remote_user.inbox)
def test_get_recipients_public_user_object_with_mention(self):
''' determines the recipients for a user's object broadcast '''
MockSelf = namedtuple('Self', ('privacy', 'user'))
mock_self = MockSelf('public', self.local_user)
self.local_user.followers.add(self.remote_user)
with patch('bookwyrm.models.user.set_remote_server.delay'):
another_remote_user = models.User.objects.create_user(
'nutria', 'nutria@nutria.com', 'nutriaword',
local=False,
remote_id='https://example.com/users/nutria',
inbox='https://example.com/users/nutria/inbox',
outbox='https://example.com/users/nutria/outbox',
)
MockSelf = namedtuple('Self', ('privacy', 'user', 'recipients'))
mock_self = MockSelf('public', self.local_user, [another_remote_user])
recipients = ActivitypubMixin.get_recipients(mock_self)
self.assertEqual(len(recipients), 2)
self.assertEqual(recipients[0], another_remote_user.inbox)
self.assertEqual(recipients[1], self.remote_user.inbox)
def test_get_recipients_direct(self):
''' determines the recipients for a user's object broadcast '''
MockSelf = namedtuple('Self', ('privacy', 'user'))
mock_self = MockSelf('public', self.local_user)
self.local_user.followers.add(self.remote_user)
with patch('bookwyrm.models.user.set_remote_server.delay'):
another_remote_user = models.User.objects.create_user(
'nutria', 'nutria@nutria.com', 'nutriaword',
local=False,
remote_id='https://example.com/users/nutria',
inbox='https://example.com/users/nutria/inbox',
outbox='https://example.com/users/nutria/outbox',
)
MockSelf = namedtuple('Self', ('privacy', 'user', 'recipients'))
mock_self = MockSelf('direct', self.local_user, [another_remote_user])
recipients = ActivitypubMixin.get_recipients(mock_self)
self.assertEqual(len(recipients), 1)
self.assertEqual(recipients[0], another_remote_user.inbox)
def test_get_recipients_combine_inboxes(self):
''' should combine users with the same shared_inbox '''
self.remote_user.shared_inbox = 'http://example.com/inbox'
self.remote_user.save(broadcast=False)
with patch('bookwyrm.models.user.set_remote_server.delay'):
another_remote_user = models.User.objects.create_user(
'nutria', 'nutria@nutria.com', 'nutriaword',
local=False,
remote_id='https://example.com/users/nutria',
inbox='https://example.com/users/nutria/inbox',
shared_inbox='http://example.com/inbox',
outbox='https://example.com/users/nutria/outbox',
)
MockSelf = namedtuple('Self', ('privacy', 'user'))
mock_self = MockSelf('public', self.local_user)
self.local_user.followers.add(self.remote_user)
self.local_user.followers.add(another_remote_user)
recipients = ActivitypubMixin.get_recipients(mock_self)
self.assertEqual(len(recipients), 1)
self.assertEqual(recipients[0], 'http://example.com/inbox')
def test_get_recipients_software(self):
''' should differentiate between bookwyrm and other remote users '''
with patch('bookwyrm.models.user.set_remote_server.delay'):
another_remote_user = models.User.objects.create_user(
'nutria', 'nutria@nutria.com', 'nutriaword',
local=False,
remote_id='https://example.com/users/nutria',
inbox='https://example.com/users/nutria/inbox',
outbox='https://example.com/users/nutria/outbox',
bookwyrm_user=False,
)
MockSelf = namedtuple('Self', ('privacy', 'user'))
mock_self = MockSelf('public', self.local_user)
self.local_user.followers.add(self.remote_user)
self.local_user.followers.add(another_remote_user)
recipients = ActivitypubMixin.get_recipients(mock_self)
self.assertEqual(len(recipients), 2)
recipients = ActivitypubMixin.get_recipients(
mock_self, software='bookwyrm')
self.assertEqual(len(recipients), 1)
self.assertEqual(recipients[0], self.remote_user.inbox)
recipients = ActivitypubMixin.get_recipients(
mock_self, software='other')
self.assertEqual(len(recipients), 1)
self.assertEqual(recipients[0], another_remote_user.inbox)
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# ObjectMixin
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def test_object_save_create(self):
''' should save uneventufully when broadcast is disabled '''
class Success(Exception):
''' this means we got to the right method '''
class ObjectModel(ObjectMixin, base_model.BookWyrmModel):
''' real simple mock model because BookWyrmModel is abstract '''
user = models.fields.ForeignKey('User', on_delete=db.models.CASCADE)
def save(self, *args, **kwargs):
with patch('django.db.models.Model.save'):
super().save(*args, **kwargs)
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def broadcast(self, activity, sender, **kwargs):#pylint: disable=arguments-differ
''' do something '''
raise Success()
def to_create_activity(self, user):#pylint: disable=arguments-differ
return {}
with self.assertRaises(Success):
ObjectModel(user=self.local_user).save()
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ObjectModel(user=self.remote_user).save()
ObjectModel(user=self.local_user).save(broadcast=False)
ObjectModel(user=None).save()
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def test_object_save_update(self):
''' should save uneventufully when broadcast is disabled '''
class Success(Exception):
''' this means we got to the right method '''
class UpdateObjectModel(ObjectMixin, base_model.BookWyrmModel):
''' real simple mock model because BookWyrmModel is abstract '''
user = models.fields.ForeignKey('User', on_delete=db.models.CASCADE)
last_edited_by = models.fields.ForeignKey(
'User', on_delete=db.models.CASCADE)
def save(self, *args, **kwargs):
with patch('django.db.models.Model.save'):
super().save(*args, **kwargs)
def to_update_activity(self, user):
raise Success()
with self.assertRaises(Success):
UpdateObjectModel(id=1, user=self.local_user).save()
with self.assertRaises(Success):
UpdateObjectModel(id=1, last_edited_by=self.local_user).save()
def test_object_save_delete(self):
''' should create delete activities when objects are deleted by flag '''
class ActivitySuccess(Exception):
''' this means we got to the right method '''
class DeletableObjectModel(ObjectMixin, base_model.BookWyrmModel):
''' real simple mock model because BookWyrmModel is abstract '''
user = models.fields.ForeignKey('User', on_delete=db.models.CASCADE)
deleted = models.fields.BooleanField()
def save(self, *args, **kwargs):
with patch('django.db.models.Model.save'):
super().save(*args, **kwargs)
def to_delete_activity(self, user):
raise ActivitySuccess()
with self.assertRaises(ActivitySuccess):
DeletableObjectModel(
id=1, user=self.local_user, deleted=True).save()
def test_to_delete_activity(self):
''' wrapper for Delete activity '''
MockSelf = namedtuple('Self', ('remote_id', 'to_activity'))
mock_self = MockSelf(
'https://example.com/status/1',
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lambda *args: self.object_mock
)
activity = ObjectMixin.to_delete_activity(
mock_self, self.local_user)
self.assertEqual(
activity['id'],
'https://example.com/status/1/activity'
)
self.assertEqual(activity['actor'], self.local_user.remote_id)
self.assertEqual(activity['type'], 'Delete')
self.assertEqual(
activity['to'],
['%s/followers' % self.local_user.remote_id])
self.assertEqual(
activity['cc'],
['https://www.w3.org/ns/activitystreams#Public'])
def test_to_update_activity(self):
''' ditto above but for Update '''
MockSelf = namedtuple('Self', ('remote_id', 'to_activity'))
mock_self = MockSelf(
'https://example.com/status/1',
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lambda *args: self.object_mock
)
activity = ObjectMixin.to_update_activity(
mock_self, self.local_user)
self.assertIsNotNone(
re.match(
r'^https:\/\/example\.com\/status\/1#update\/.*',
activity['id']
)
)
self.assertEqual(activity['actor'], self.local_user.remote_id)
self.assertEqual(activity['type'], 'Update')
self.assertEqual(
activity['to'],
['https://www.w3.org/ns/activitystreams#Public'])
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self.assertIsInstance(activity['object'], dict)
# Activity mixin
def test_to_undo_activity(self):
''' and again, for Undo '''
MockSelf = namedtuple('Self', ('remote_id', 'to_activity', 'user'))
mock_self = MockSelf(
'https://example.com/status/1',
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lambda *args: self.object_mock,
self.local_user,
)
activity = ActivityMixin.to_undo_activity(mock_self)
self.assertEqual(
activity['id'],
'https://example.com/status/1#undo'
)
self.assertEqual(activity['actor'], self.local_user.remote_id)
self.assertEqual(activity['type'], 'Undo')
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self.assertIsInstance(activity['object'], dict)