Persist follow recommendations from FASP (#35218)

spec/models/account_suggestions/fasp_source_spec.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe AccountSuggestions::FaspSource do
+  describe '#get', feature: :fasp do
+    subject { described_class.new }
+
+    let(:bob) { Fabricate(:account) }
+    let(:alice) { Fabricate(:account, domain: 'fedi.example.com') }
+    let(:eve) { Fabricate(:account, domain: 'fedi.example.com') }
+
+    before do
+      [alice, eve].each do |recommended_account|
+        Fasp::FollowRecommendation.create!(requesting_account: bob, recommended_account:)
+      end
+    end
+
+    it 'returns recommendations obtained by FASP' do
+      expect(subject.get(bob)).to contain_exactly([alice.id, :fasp], [eve.id, :fasp])
+    end
+  end
+end