Clean up of `RSpec/LetSetup` within `spec/services/activitypub` (#28445)

.rubocop_todo.yml

@@ -52,11 +52,7 @@ RSpec/LetSetup:
     - 'spec/controllers/auth/sessions_controller_spec.rb'
     - 'spec/models/account_statuses_cleanup_policy_spec.rb'
     - 'spec/models/status_spec.rb'
-    - 'spec/services/account_statuses_cleanup_service_spec.rb'
     - 'spec/services/activitypub/fetch_featured_collection_service_spec.rb'
-    - 'spec/services/activitypub/fetch_remote_status_service_spec.rb'
-    - 'spec/services/activitypub/process_account_service_spec.rb'
-    - 'spec/services/activitypub/process_collection_service_spec.rb'
     - 'spec/services/batched_remove_status_service_spec.rb'
     - 'spec/services/block_domain_service_spec.rb'
     - 'spec/services/bulk_import_service_spec.rb'

spec/services/account_statuses_cleanup_service_spec.rb

@@ -39,6 +39,13 @@ describe AccountStatusesCleanupService, type: :service do
         it 'actually deletes the statuses' do
           subject.call(account_policy, 10)
           expect(Status.find_by(id: [very_old_status.id, old_status.id, another_old_status.id])).to be_nil
+          expect { recent_status.reload }.to_not raise_error
+        end
+
+        it 'preserves recent and unrelated statuses' do
+          subject.call(account_policy, 10)
+          expect { unrelated_status.reload }.to_not raise_error
+          expect { recent_status.reload }.to_not raise_error
         end
       end
 

spec/services/activitypub/fetch_remote_status_service_spec.rb

@@ -8,7 +8,6 @@ RSpec.describe ActivityPub::FetchRemoteStatusService, type: :service do
   subject { described_class.new }
 
   let!(:sender) { Fabricate(:account, domain: 'foo.bar', uri: 'https://foo.bar') }
-  let!(:recipient) { Fabricate(:account) }
 
   let(:existing_status) { nil }
 

spec/services/activitypub/process_account_service_spec.rb

@@ -33,7 +33,7 @@ RSpec.describe ActivityPub::ProcessAccountService, type: :service do
   end
 
   context 'when account is not suspended' do
-    subject { described_class.new.call('alice', 'example.com', payload) }
+    subject { described_class.new.call(account.username, account.domain, payload) }
 
     let!(:account) { Fabricate(:account, username: 'alice', domain: 'example.com') }
 

spec/services/activitypub/process_collection_service_spec.rb

@@ -242,7 +242,8 @@ RSpec.describe ActivityPub::ProcessCollectionService, type: :service do
         it 'does not process forged payload' do
           allow(ActivityPub::Activity).to receive(:factory)
 
-          subject.call(json, forwarder)
+          expect { subject.call(json, forwarder) }
+            .to_not change(actor.reload.statuses, :count)
 
           expect(ActivityPub::Activity).to_not have_received(:factory).with(
             hash_including(