From 0f2c16ac4b6a26a6394f80af6e2cd9338dfffde0 Mon Sep 17 00:00:00 2001
From: Matt Jankowski <matt@jankowski.online>
Date: Fri, 26 May 2023 03:41:12 -0400
Subject: [PATCH] Fix RSpec/NoExpectationExample cop (#25103)

---
 .rubocop_todo.yml                             |  7 ------
 .../auth/registrations_controller_spec.rb     | 23 ++++++++++++++++---
 spec/services/precompute_feed_service_spec.rb |  2 +-
 3 files changed, 21 insertions(+), 11 deletions(-)

diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 5711b3d4f2..3383a6b280 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -528,13 +528,6 @@ RSpec/MultipleMemoizedHelpers:
 RSpec/NestedGroups:
   Max: 6
 
-# Configuration parameters: AllowedPatterns.
-# AllowedPatterns: ^expect_, ^assert_
-RSpec/NoExpectationExample:
-  Exclude:
-    - 'spec/controllers/auth/registrations_controller_spec.rb'
-    - 'spec/services/precompute_feed_service_spec.rb'
-
 RSpec/PendingWithoutReason:
   Exclude:
     - 'spec/models/account_spec.rb'
diff --git a/spec/controllers/auth/registrations_controller_spec.rb b/spec/controllers/auth/registrations_controller_spec.rb
index a80273635d..b52d7c6ce4 100644
--- a/spec/controllers/auth/registrations_controller_spec.rb
+++ b/spec/controllers/auth/registrations_controller_spec.rb
@@ -244,9 +244,26 @@ RSpec.describe Auth::RegistrationsController do
       end
     end
 
-    it 'does nothing if user already exists' do
-      Fabricate(:account, username: 'test')
-      subject
+    context 'with an already taken username' do
+      subject do
+        Setting.registrations_mode = 'open'
+        post :create, params: { user: { account_attributes: { username: 'test' }, email: 'test@example.com', password: '12345678', password_confirmation: '12345678', agreement: 'true' } }
+      end
+
+      before do
+        Fabricate(:account, username: 'test')
+      end
+
+      it 'responds with an error message about the username' do
+        subject
+
+        expect(response).to have_http_status(:success)
+        expect(username_error_text).to eq(I18n.t('errors.messages.taken'))
+      end
+
+      def username_error_text
+        Nokogiri::Slop(response.body).css('.user_account_username .error').text
+      end
     end
 
     include_examples 'checks for enabled registrations', :create
diff --git a/spec/services/precompute_feed_service_spec.rb b/spec/services/precompute_feed_service_spec.rb
index 86ab59b29e..18ba00244d 100644
--- a/spec/services/precompute_feed_service_spec.rb
+++ b/spec/services/precompute_feed_service_spec.rb
@@ -19,7 +19,7 @@ RSpec.describe PrecomputeFeedService, type: :service do
 
     it 'does not raise an error even if it could not find any status' do
       account = Fabricate(:account)
-      subject.call(account)
+      expect { subject.call(account) }.to_not raise_error
     end
 
     it 'filters statuses' do