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-rw-r--r--spec/serializers/activitypub/note_spec.rb44
-rw-r--r--spec/services/activitypub/fetch_replies_service_spec.rb122
-rw-r--r--spec/workers/activitypub/fetch_replies_worker_spec.rb40
3 files changed, 206 insertions, 0 deletions
diff --git a/spec/serializers/activitypub/note_spec.rb b/spec/serializers/activitypub/note_spec.rb
new file mode 100644
index 000000000..55bfbc16b
--- /dev/null
+++ b/spec/serializers/activitypub/note_spec.rb
@@ -0,0 +1,44 @@
+# 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
diff --git a/spec/services/activitypub/fetch_replies_service_spec.rb b/spec/services/activitypub/fetch_replies_service_spec.rb
new file mode 100644
index 000000000..65c453341
--- /dev/null
+++ b/spec/services/activitypub/fetch_replies_service_spec.rb
@@ -0,0 +1,122 @@
+require 'rails_helper'
+
+RSpec.describe ActivityPub::FetchRepliesService, type: :service do
+  let(:actor)          { Fabricate(:account, domain: 'example.com', uri: 'http://example.com/account') }
+  let(:status)         { Fabricate(:status, account: actor) }
+  let(:collection_uri) { 'http://example.com/replies/1' }
+
+  let(:items) do
+    [
+      'http://example.com/self-reply-1',
+      'http://example.com/self-reply-2',
+      'http://example.com/self-reply-3',
+      'http://other.com/other-reply-1',
+      'http://other.com/other-reply-2',
+      'http://other.com/other-reply-3',
+      'http://example.com/self-reply-4',
+      'http://example.com/self-reply-5',
+      'http://example.com/self-reply-6',
+    ]
+  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 }
+
+  describe '#call' do
+    context 'when the payload is a Collection with inlined replies' do
+      context 'when passing the collection itself' do
+        it 'spawns workers for up to 5 replies on the same server' do
+          allow(FetchReplyWorker).to receive(:push_bulk)
+          subject.call(status, payload)
+          expect(FetchReplyWorker).to have_received(:push_bulk).with(['http://example.com/self-reply-1', 'http://example.com/self-reply-2', 'http://example.com/self-reply-3', 'http://example.com/self-reply-4', 'http://example.com/self-reply-5'])
+        end
+      end
+
+      context 'when passing the URL to the collection' do
+        before do
+          stub_request(:get, collection_uri).to_return(status: 200, body: Oj.dump(payload))
+        end
+
+        it 'spawns workers for up to 5 replies on the same server' do
+          allow(FetchReplyWorker).to receive(:push_bulk)
+          subject.call(status, collection_uri)
+          expect(FetchReplyWorker).to have_received(:push_bulk).with(['http://example.com/self-reply-1', 'http://example.com/self-reply-2', 'http://example.com/self-reply-3', 'http://example.com/self-reply-4', 'http://example.com/self-reply-5'])
+        end
+      end
+    end
+
+    context 'when the payload is an OrderedCollection with inlined replies' do
+      let(:payload) do
+        {
+          '@context': 'https://www.w3.org/ns/activitystreams',
+          type: 'OrderedCollection',
+          id: collection_uri,
+          orderedItems: items,
+        }.with_indifferent_access
+      end
+
+      context 'when passing the collection itself' do
+        it 'spawns workers for up to 5 replies on the same server' do
+          allow(FetchReplyWorker).to receive(:push_bulk)
+          subject.call(status, payload)
+          expect(FetchReplyWorker).to have_received(:push_bulk).with(['http://example.com/self-reply-1', 'http://example.com/self-reply-2', 'http://example.com/self-reply-3', 'http://example.com/self-reply-4', 'http://example.com/self-reply-5'])
+        end
+      end
+
+      context 'when passing the URL to the collection' do
+        before do
+          stub_request(:get, collection_uri).to_return(status: 200, body: Oj.dump(payload))
+        end
+
+        it 'spawns workers for up to 5 replies on the same server' do
+          allow(FetchReplyWorker).to receive(:push_bulk)
+          subject.call(status, collection_uri)
+          expect(FetchReplyWorker).to have_received(:push_bulk).with(['http://example.com/self-reply-1', 'http://example.com/self-reply-2', 'http://example.com/self-reply-3', 'http://example.com/self-reply-4', 'http://example.com/self-reply-5'])
+        end
+      end
+    end
+
+    context 'when the payload is a paginated Collection with inlined replies' 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
+
+      context 'when passing the collection itself' do
+        it 'spawns workers for up to 5 replies on the same server' do
+          allow(FetchReplyWorker).to receive(:push_bulk)
+          subject.call(status, payload)
+          expect(FetchReplyWorker).to have_received(:push_bulk).with(['http://example.com/self-reply-1', 'http://example.com/self-reply-2', 'http://example.com/self-reply-3', 'http://example.com/self-reply-4', 'http://example.com/self-reply-5'])
+        end
+      end
+
+      context 'when passing the URL to the collection' do
+        before do
+          stub_request(:get, collection_uri).to_return(status: 200, body: Oj.dump(payload))
+        end
+
+        it 'spawns workers for up to 5 replies on the same server' do
+          allow(FetchReplyWorker).to receive(:push_bulk)
+          subject.call(status, collection_uri)
+          expect(FetchReplyWorker).to have_received(:push_bulk).with(['http://example.com/self-reply-1', 'http://example.com/self-reply-2', 'http://example.com/self-reply-3', 'http://example.com/self-reply-4', 'http://example.com/self-reply-5'])
+        end
+      end
+    end
+  end
+end
diff --git a/spec/workers/activitypub/fetch_replies_worker_spec.rb b/spec/workers/activitypub/fetch_replies_worker_spec.rb
new file mode 100644
index 000000000..91ef3c4b9
--- /dev/null
+++ b/spec/workers/activitypub/fetch_replies_worker_spec.rb
@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe ActivityPub::FetchRepliesWorker do
+  subject { described_class.new }
+
+  let(:account) { Fabricate(:account, uri: 'https://example.com/user/1') }
+  let(:status)  { Fabricate(:status, account: account) }
+
+  let(:payload) do
+    {
+      '@context': 'https://www.w3.org/ns/activitystreams',
+      id: 'https://example.com/statuses_replies/1',
+      type: 'Collection',
+      items: [],
+    }
+  end
+
+  let(:json) { Oj.dump(payload) }
+
+  describe 'perform' do
+    it 'performs a request if the collection URI is from the same host' do
+      stub_request(:get, 'https://example.com/statuses_replies/1').to_return(status: 200, body: json)
+      subject.perform(status.id, 'https://example.com/statuses_replies/1')
+      expect(a_request(:get, 'https://example.com/statuses_replies/1')).to have_been_made.once
+    end
+
+    it 'does not perform a request if the collection URI is from a different host' do
+      stub_request(:get, 'https://other.com/statuses_replies/1').to_return(status: 200)
+      subject.perform(status.id, 'https://other.com/statuses_replies/1')
+      expect(a_request(:get, 'https://other.com/statuses_replies/1')).to_not have_been_made
+    end
+
+    it 'raises when request fails' do
+      stub_request(:get, 'https://example.com/statuses_replies/1').to_return(status: 500)
+      expect { subject.perform(status.id, 'https://example.com/statuses_replies/1') }.to raise_error Mastodon::UnexpectedResponseError
+    end
+  end
+end