Fix RSpec/InstanceVariable cop (#27766)

spec/controllers/api/v1/streaming_controller_spec.rb

@@ -26,7 +26,6 @@ describe Api::V1::StreamingController do
   context 'with streaming api on different host' do
     before do
       Rails.configuration.x.streaming_api_base_url = "wss://streaming-#{Rails.configuration.x.web_domain}"
-      @streaming_host = URI.parse(Rails.configuration.x.streaming_api_base_url).host
     end
 
     describe 'GET #index' do
@@ -38,7 +37,13 @@ describe Api::V1::StreamingController do
         [:scheme, :path, :query, :fragment].each do |part|
           expect(redirect_to_uri.send(part)).to eq(request_uri.send(part)), "redirect target #{part}"
         end
-        expect(redirect_to_uri.host).to eq(@streaming_host), 'redirect target host'
+        expect(redirect_to_uri.host).to eq(streaming_host), 'redirect target host'
+      end
+
+      private
+
+      def streaming_host
+        URI.parse(Rails.configuration.x.streaming_api_base_url).host
       end
     end
   end

spec/controllers/auth/passwords_controller_spec.rb

@@ -18,12 +18,14 @@ describe Auth::PasswordsController do
 
     before do
       request.env['devise.mapping'] = Devise.mappings[:user]
-      @token = user.send_reset_password_instructions
     end
 
     context 'with valid reset_password_token' do
       it 'returns http success' do
-        get :edit, params: { reset_password_token: @token }
+        token = user.send_reset_password_instructions
+
+        get :edit, params: { reset_password_token: token }
+
         expect(response).to have_http_status(200)
       end
     end
@@ -38,9 +40,9 @@ describe Auth::PasswordsController do
 
   describe 'POST #update' do
     let(:user) { Fabricate(:user) }
+    let(:password) { 'reset0password' }
 
     before do
-      @password = 'reset0password'
       request.env['devise.mapping'] = Devise.mappings[:user]
     end
 
@@ -50,9 +52,9 @@ describe Auth::PasswordsController do
       let!(:web_push_subscription) { Fabricate(:web_push_subscription, access_token: access_token) }
 
       before do
-        @token = user.send_reset_password_instructions
+        token = user.send_reset_password_instructions
 
-        post :update, params: { user: { password: @password, password_confirmation: @password, reset_password_token: @token } }
+        post :update, params: { user: { password: password, password_confirmation: password, reset_password_token: token } }
       end
 
       it 'redirect to sign in' do
@@ -63,7 +65,7 @@ describe Auth::PasswordsController do
         this_user = User.find(user.id)
 
         expect(this_user).to_not be_nil
-        expect(this_user.valid_password?(@password)).to be true
+        expect(this_user.valid_password?(password)).to be true
       end
 
       it 'deactivates all sessions' do
@@ -81,7 +83,7 @@ describe Auth::PasswordsController do
 
     context 'with invalid reset_password_token' do
       before do
-        post :update, params: { user: { password: @password, password_confirmation: @password, reset_password_token: 'some_invalid_value' } }
+        post :update, params: { user: { password: password, password_confirmation: password, reset_password_token: 'some_invalid_value' } }
       end
 
       it 'renders reset password' do

spec/controllers/concerns/export_controller_concern_spec.rb

@@ -11,7 +11,7 @@ describe ExportControllerConcern do
     end
 
     def export_data
-      @export.account.username
+      'body data value'
     end
   end
 
@@ -24,7 +24,7 @@ describe ExportControllerConcern do
       expect(response).to have_http_status(200)
       expect(response.media_type).to eq 'text/csv'
       expect(response.headers['Content-Disposition']).to start_with 'attachment; filename="anonymous.csv"'
-      expect(response.body).to eq user.account.username
+      expect(response.body).to eq 'body data value'
     end
 
     it 'returns unauthorized when not signed in' do

spec/controllers/statuses_cleanup_controller_spec.rb

@@ -5,9 +5,10 @@ require 'rails_helper'
 RSpec.describe StatusesCleanupController do
   render_views
 
+  let!(:user) { Fabricate(:user) }
+
   before do
-    @user = Fabricate(:user)
-    sign_in @user, scope: :user
+    sign_in user, scope: :user
   end
 
   describe 'GET #show' do
@@ -30,9 +31,9 @@ RSpec.describe StatusesCleanupController do
     end
 
     it 'updates the account status cleanup policy' do
-      expect(@user.account.statuses_cleanup_policy.enabled).to be true
-      expect(@user.account.statuses_cleanup_policy.keep_direct).to be false
-      expect(@user.account.statuses_cleanup_policy.keep_polls).to be true
+      expect(user.account.statuses_cleanup_policy.enabled).to be true
+      expect(user.account.statuses_cleanup_policy.keep_direct).to be false
+      expect(user.account.statuses_cleanup_policy.keep_polls).to be true
     end
 
     it 'redirects' do