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require 'rails_helper'
RSpec.describe ActivityPub::SynchronizeFollowersService, type: :service do
let(:actor) { Fabricate(:account, domain: 'example.com', uri: 'http://example.com/account', inbox_url: 'http://example.com/inbox') }
let(:alice) { Fabricate(:account, username: 'alice') }
let(:bob) { Fabricate(:account, username: 'bob') }
let(:eve) { Fabricate(:account, username: 'eve') }
let(:mallory) { Fabricate(:account, username: 'mallory') }
let(:collection_uri) { 'http://example.com/partial-followers' }
let(:items) do
[
ActivityPub::TagManager.instance.uri_for(alice),
ActivityPub::TagManager.instance.uri_for(eve),
ActivityPub::TagManager.instance.uri_for(mallory),
]
end
let(:payload) do
{
'@context': 'https://www.w3.org/ns/activitystreams',
type: 'Collection',
id: collection_uri,
items: items,
}.with_indifferent_access
end
subject { described_class.new }
shared_examples 'synchronizes followers' do
before do
alice.follow!(actor)
bob.follow!(actor)
mallory.request_follow!(actor)
allow(ActivityPub::DeliveryWorker).to receive(:perform_async)
subject.call(actor, collection_uri)
end
it 'keeps expected followers' do
expect(alice.following?(actor)).to be true
end
it 'removes local followers not in the remote list' do
expect(bob.following?(actor)).to be false
end
it 'converts follow requests to follow relationships when they have been accepted' do
expect(mallory.following?(actor)).to be true
end
it 'sends an Undo Follow to the actor' do
expect(ActivityPub::DeliveryWorker).to have_received(:perform_async).with(anything, eve.id, actor.inbox_url)
end
end
describe '#call' do
context 'when the endpoint is a Collection of actor URIs' do
before do
stub_request(:get, collection_uri).to_return(status: 200, body: Oj.dump(payload))
end
it_behaves_like 'synchronizes followers'
end
context 'when the endpoint is an OrderedCollection of actor URIs' do
let(:payload) do
{
'@context': 'https://www.w3.org/ns/activitystreams',
type: 'OrderedCollection',
id: collection_uri,
orderedItems: items,
}.with_indifferent_access
end
before do
stub_request(:get, collection_uri).to_return(status: 200, body: Oj.dump(payload))
end
it_behaves_like 'synchronizes followers'
end
context 'when the endpoint is a paginated Collection of actor URIs' do
let(:payload) do
{
'@context': 'https://www.w3.org/ns/activitystreams',
type: 'Collection',
id: collection_uri,
first: {
type: 'CollectionPage',
partOf: collection_uri,
items: items,
},
}.with_indifferent_access
end
before do
stub_request(:get, collection_uri).to_return(status: 200, body: Oj.dump(payload))
end
it_behaves_like 'synchronizes followers'
end
end
end
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