Fix RSpec/VerifiedDoubles cop (#25469)

spec/controllers/admin/change_emails_controller_spec.rb

@@ -23,7 +23,8 @@ RSpec.describe Admin::ChangeEmailsController do
 
   describe 'GET #update' do
     before do
-      allow(UserMailer).to receive(:confirmation_instructions).and_return(double('email', deliver_later: nil))
+      allow(UserMailer).to receive(:confirmation_instructions)
+        .and_return(instance_double(ActionMailer::MessageDelivery, deliver_later: nil))
     end
 
     it 'returns http success' do

spec/controllers/admin/confirmations_controller_spec.rb

@@ -38,7 +38,7 @@ RSpec.describe Admin::ConfirmationsController do
     let!(:user) { Fabricate(:user, confirmed_at: confirmed_at) }
 
     before do
-      allow(UserMailer).to receive(:confirmation_instructions) { double(:email, deliver_later: nil) }
+      allow(UserMailer).to receive(:confirmation_instructions) { instance_double(ActionMailer::MessageDelivery, deliver_later: nil) }
     end
 
     context 'when email is not confirmed' do

spec/controllers/admin/disputes/appeals_controller_spec.rb

@@ -19,7 +19,8 @@ RSpec.describe Admin::Disputes::AppealsController do
     let(:current_user) { Fabricate(:user, role: UserRole.find_by(name: 'Admin')) }
 
     before do
-      allow(UserMailer).to receive(:appeal_approved).and_return(double('email', deliver_later: nil))
+      allow(UserMailer).to receive(:appeal_approved)
+        .and_return(instance_double(ActionMailer::MessageDelivery, deliver_later: nil))
       post :approve, params: { id: appeal.id }
     end
 
@@ -40,7 +41,8 @@ RSpec.describe Admin::Disputes::AppealsController do
     let(:current_user) { Fabricate(:user, role: UserRole.find_by(name: 'Admin')) }
 
     before do
-      allow(UserMailer).to receive(:appeal_rejected).and_return(double('email', deliver_later: nil))
+      allow(UserMailer).to receive(:appeal_rejected)
+        .and_return(instance_double(ActionMailer::MessageDelivery, deliver_later: nil))
       post :reject, params: { id: appeal.id }
     end
 

spec/controllers/admin/domain_allows_controller_spec.rb

@@ -37,7 +37,7 @@ RSpec.describe Admin::DomainAllowsController do
 
   describe 'DELETE #destroy' do
     it 'disallows the domain' do
-      service = double(call: true)
+      service = instance_double(UnallowDomainService, call: true)
       allow(UnallowDomainService).to receive(:new).and_return(service)
       domain_allow = Fabricate(:domain_allow)
       delete :destroy, params: { id: domain_allow.id }

spec/controllers/admin/domain_blocks_controller_spec.rb

@@ -213,7 +213,7 @@ RSpec.describe Admin::DomainBlocksController do
 
   describe 'DELETE #destroy' do
     it 'unblocks the domain' do
-      service = double(call: true)
+      service = instance_double(UnblockDomainService, call: true)
       allow(UnblockDomainService).to receive(:new).and_return(service)
       domain_block = Fabricate(:domain_block)
       delete :destroy, params: { id: domain_block.id }

spec/controllers/api/v1/reports_controller_spec.rb

@@ -23,7 +23,8 @@ RSpec.describe Api::V1::ReportsController do
     let(:rule_ids) { nil }
 
     before do
-      allow(AdminMailer).to receive(:new_report).and_return(double('email', deliver_later: nil))
+      allow(AdminMailer).to receive(:new_report)
+        .and_return(instance_double(ActionMailer::MessageDelivery, deliver_later: nil))
       post :create, params: { status_ids: [status.id], account_id: target_account.id, comment: 'reasons', category: category, rule_ids: rule_ids, forward: forward }
     end
 

spec/controllers/api/web/embeds_controller_spec.rb

@@ -26,7 +26,7 @@ describe Api::Web::EmbedsController do
 
     context 'when fails to find status' do
       let(:url) { 'https://host.test/oembed.html' }
-      let(:service_instance) { double('fetch_oembed_service') }
+      let(:service_instance) { instance_double(FetchOEmbedService) }
 
       before do
         allow(FetchOEmbedService).to receive(:new) { service_instance }

spec/controllers/auth/sessions_controller_spec.rb

@@ -127,7 +127,8 @@ RSpec.describe Auth::SessionsController do
 
         before do
           allow_any_instance_of(ActionDispatch::Request).to receive(:remote_ip).and_return(current_ip)
-          allow(UserMailer).to receive(:suspicious_sign_in).and_return(double('email', deliver_later!: nil))
+          allow(UserMailer).to receive(:suspicious_sign_in)
+            .and_return(instance_double(ActionMailer::MessageDelivery, deliver_later!: nil))
           user.update(current_sign_in_at: 1.month.ago)
           post :create, params: { user: { email: user.email, password: user.password } }
         end

spec/controllers/authorize_interactions_controller_spec.rb

@@ -28,7 +28,7 @@ describe AuthorizeInteractionsController do
       end
 
       it 'renders error when account cant be found' do
-        service = double
+        service = instance_double(ResolveAccountService)
         allow(ResolveAccountService).to receive(:new).and_return(service)
         allow(service).to receive(:call).with('missing@hostname').and_return(nil)
 
@@ -40,7 +40,7 @@ describe AuthorizeInteractionsController do
 
       it 'sets resource from url' do
         account = Fabricate(:account)
-        service = double
+        service = instance_double(ResolveURLService)
         allow(ResolveURLService).to receive(:new).and_return(service)
         allow(service).to receive(:call).with('http://example.com').and_return(account)
 
@@ -52,7 +52,7 @@ describe AuthorizeInteractionsController do
 
       it 'sets resource from acct uri' do
         account = Fabricate(:account)
-        service = double
+        service = instance_double(ResolveAccountService)
         allow(ResolveAccountService).to receive(:new).and_return(service)
         allow(service).to receive(:call).with('found@hostname').and_return(account)
 
@@ -82,7 +82,7 @@ describe AuthorizeInteractionsController do
       end
 
       it 'shows error when account not found' do
-        service = double
+        service = instance_double(ResolveAccountService)
 
         allow(ResolveAccountService).to receive(:new).and_return(service)
         allow(service).to receive(:call).with('user@hostname').and_return(nil)
@@ -94,7 +94,7 @@ describe AuthorizeInteractionsController do
 
       it 'follows account when found' do
         target_account = Fabricate(:account)
-        service = double
+        service = instance_double(ResolveAccountService)
 
         allow(ResolveAccountService).to receive(:new).and_return(service)
         allow(service).to receive(:call).with('user@hostname').and_return(target_account)

spec/controllers/disputes/appeals_controller_spec.rb

@@ -14,7 +14,8 @@ RSpec.describe Disputes::AppealsController do
     let(:strike) { Fabricate(:account_warning, target_account: current_user.account) }
 
     before do
-      allow(AdminMailer).to receive(:new_appeal).and_return(double('email', deliver_later: nil))
+      allow(AdminMailer).to receive(:new_appeal)
+        .and_return(instance_double(ActionMailer::MessageDelivery, deliver_later: nil))
       post :create, params: { strike_id: strike.id, appeal: { text: 'Foo' } }
     end