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Improved remote thread fetching (#10106)

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* Fetch up to 5 replies when discovering a new remote status

This is used for resolving threads downwards. The originating
server must add a “replies” attributes with such replies for it to
be useful.

* Add some tests for ActivityPub::FetchRepliesWorker

* Add specs for ActivityPub::FetchRepliesService

* Serialize up to 5 public self-replies for ActivityPub notes

* Add specs for ActivityPub::NoteSerializer

* Move exponential backoff logic to a worker concern

* Fetch first page of paginated collections when fetching thread replies

* Add specs for paginated collections in replies

* Move Note replies serialization to a first CollectionPage

The collection isn't actually paginable yet as it has no id nor
a `next` field. This may come in another PR.

* Use pluck(:uri) instead of map(&:uri) to improve performances

* Fix fetching replies when they are in a CollectionPage
This commit is contained in:
ThibG 2019-02-28 15:22:21 +01:00 • committed by Eugen Rochko
commit 9d3c6f1849
13 changed files with 333 additions and 7 deletions
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44
spec/serializers/activitypub/note_spec.rb Normal file
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# frozen_string_literal: true
require 'rails_helper'
describe ActivityPub::NoteSerializer do
let!(:account) { Fabricate(:account) }
let!(:other) { Fabricate(:account) }
let!(:parent) { Fabricate(:status, account: account, visibility: :public) }
let!(:reply1) { Fabricate(:status, account: account, thread: parent, visibility: :public) }
let!(:reply2) { Fabricate(:status, account: account, thread: parent, visibility: :public) }
let!(:reply3) { Fabricate(:status, account: other, thread: parent, visibility: :public) }
let!(:reply4) { Fabricate(:status, account: account, thread: parent, visibility: :public) }
let!(:reply5) { Fabricate(:status, account: account, thread: parent, visibility: :direct) }
before(:each) do
@serialization = ActiveModelSerializers::SerializableResource.new(parent, serializer: ActivityPub::NoteSerializer, adapter: ActivityPub::Adapter)
end
subject { JSON.parse(@serialization.to_json) }
it 'has a Note type' do
expect(subject['type']).to eql('Note')
end
it 'has a replies collection' do
expect(subject['replies']['type']).to eql('Collection')
end
it 'has a replies collection with a first Page' do
expect(subject['replies']['first']['type']).to eql('CollectionPage')
end
it 'includes public self-replies in its replies collection' do
expect(subject['replies']['first']['items']).to include(reply1.uri, reply2.uri, reply4.uri)
end
it 'does not include replies from others in its replies collection' do
expect(subject['replies']['first']['items']).to_not include(reply3.uri)
end
it 'does not include replies with direct visibility in its replies collection' do
expect(subject['replies']['first']['items']).to_not include(reply5.uri)
end
end