Refactor monkey-patching of Goldfinger (#12561)

spec/controllers/remote_follow_controller_spec.rb

@@ -35,7 +35,7 @@ describe RemoteFollowController do
       context 'when webfinger values are wrong' do
         it 'renders new when redirect url is nil' do
           resource_with_nil_link = double(link: nil)
-          allow(Goldfinger).to receive(:finger).with('acct:user@example.com').and_return(resource_with_nil_link)
+          allow_any_instance_of(WebfingerHelper).to receive(:webfinger!).with('acct:user@example.com').and_return(resource_with_nil_link)
           post :create, params: { account_username: @account.to_param, remote_follow: { acct: 'user@example.com' } }
 
           expect(response).to render_template(:new)
@@ -45,7 +45,7 @@ describe RemoteFollowController do
         it 'renders new when template is nil' do
           link_with_nil_template = double(template: nil)
           resource_with_link = double(link: link_with_nil_template)
-          allow(Goldfinger).to receive(:finger).with('acct:user@example.com').and_return(resource_with_link)
+          allow_any_instance_of(WebfingerHelper).to receive(:webfinger!).with('acct:user@example.com').and_return(resource_with_link)
           post :create, params: { account_username: @account.to_param, remote_follow: { acct: 'user@example.com' } }
 
           expect(response).to render_template(:new)
@@ -57,7 +57,7 @@ describe RemoteFollowController do
         before do
           link_with_template = double(template: 'http://example.com/follow_me?acct={uri}')
           resource_with_link = double(link: link_with_template)
-          allow(Goldfinger).to receive(:finger).with('acct:user@example.com').and_return(resource_with_link)
+          allow_any_instance_of(WebfingerHelper).to receive(:webfinger!).with('acct:user@example.com').and_return(resource_with_link)
           post :create, params: { account_username: @account.to_param, remote_follow: { acct: 'user@example.com' } }
         end
 
@@ -79,7 +79,7 @@ describe RemoteFollowController do
       end
 
       it 'renders new with error when goldfinger fails' do
-        allow(Goldfinger).to receive(:finger).with('acct:user@example.com').and_raise(Goldfinger::Error)
+        allow_any_instance_of(WebfingerHelper).to receive(:webfinger!).with('acct:user@example.com').and_raise(Goldfinger::Error)
         post :create, params: { account_username: @account.to_param, remote_follow: { acct: 'user@example.com' } }
 
         expect(response).to render_template(:new)
@@ -87,7 +87,7 @@ describe RemoteFollowController do
       end
 
       it 'renders new when occur HTTP::ConnectionError' do
-        allow(Goldfinger).to receive(:finger).with('acct:user@unknown').and_raise(HTTP::ConnectionError)
+        allow_any_instance_of(WebfingerHelper).to receive(:webfinger!).with('acct:user@unknown').and_raise(HTTP::ConnectionError)
         post :create, params: { account_username: @account.to_param, remote_follow: { acct: 'user@unknown' } }
 
         expect(response).to render_template(:new)