Add spec coverage for workers/redownload_* worker classes (#27892)

spec/workers/redownload_avatar_worker_spec.rb

@@ -5,9 +5,48 @@ require 'rails_helper'
 describe RedownloadAvatarWorker do
   let(:worker) { described_class.new }
 
-  describe 'perform' do
-    it 'runs without error for missing record' do
-      expect { worker.perform(nil) }.to_not raise_error
+  describe '#perform' do
+    it 'returns nil for non-existent record' do
+      result = worker.perform(123_123_123)
+
+      expect(result).to be_nil
+    end
+
+    it 'returns nil for suspended account' do
+      account = Fabricate(:account, suspended_at: 10.days.ago)
+
+      expect(worker.perform(account.id)).to be_nil
+    end
+
+    it 'returns nil with a domain block' do
+      account = Fabricate(:account, domain: 'host.example')
+      Fabricate(:domain_block, domain: account.domain, reject_media: true)
+
+      expect(worker.perform(account.id)).to be_nil
+    end
+
+    it 'returns nil without an avatar remote url' do
+      account = Fabricate(:account, avatar_remote_url: '')
+
+      expect(worker.perform(account.id)).to be_nil
+    end
+
+    it 'returns nil when avatar file name is present' do
+      stub_request(:get, 'https://example.host/file').to_return request_fixture('avatar.txt')
+      account = Fabricate(:account, avatar_remote_url: 'https://example.host/file', avatar_file_name: 'test.jpg')
+
+      expect(worker.perform(account.id)).to be_nil
+    end
+
+    it 'reprocesses a remote avatar' do
+      stub_request(:get, 'https://example.host/file').to_return request_fixture('avatar.txt')
+      account = Fabricate(:account, avatar_remote_url: 'https://example.host/file')
+      account.update_column(:avatar_file_name, nil) # rubocop:disable Rails/SkipsModelValidations
+
+      result = worker.perform(account.id)
+
+      expect(result).to be(true)
+      expect(account.reload.avatar_file_name).to_not be_nil
     end
   end
 end