Add retention policy for cached content and media (#19232)

spec/lib/vacuum/statuses_vacuum_spec.rb

@@ -0,0 +1,36 @@
+require 'rails_helper'
+
+RSpec.describe Vacuum::StatusesVacuum do
+  let(:retention_period) { 7.days }
+
+  let(:remote_account) { Fabricate(:account, domain: 'example.com') }
+
+  subject { described_class.new(retention_period) }
+
+  describe '#perform' do
+    let!(:remote_status_old) { Fabricate(:status, account: remote_account, created_at: (retention_period + 2.days).ago) }
+    let!(:remote_status_recent) { Fabricate(:status, account: remote_account, created_at: (retention_period - 2.days).ago) }
+    let!(:local_status_old) { Fabricate(:status, created_at: (retention_period + 2.days).ago) }
+    let!(:local_status_recent) { Fabricate(:status, created_at: (retention_period - 2.days).ago) }
+
+    before do
+      subject.perform
+    end
+
+    it 'deletes remote statuses past the retention period' do
+      expect { remote_status_old.reload }.to raise_error ActiveRecord::RecordNotFound
+    end
+
+    it 'does not delete local statuses past the retention period' do
+      expect { local_status_old.reload }.to_not raise_error
+    end
+
+    it 'does not delete remote statuses within the retention period' do
+      expect { remote_status_recent.reload }.to_not raise_error
+    end
+
+    it 'does not delete local statuses within the retention period' do
+      expect { local_status_recent.reload }.to_not raise_error
+    end
+  end
+end