Fix Performance/MethodObjectAsBlock cop (#24798)

.rubocop_todo.yml

@@ -322,11 +322,6 @@ Performance/MapCompact:
     - 'db/migrate/20200407202420_migrate_unavailable_inboxes.rb'
     - 'spec/presenters/status_relationships_presenter_spec.rb'
 
-Performance/MethodObjectAsBlock:
-  Exclude:
-    - 'app/models/account_suggestions/source.rb'
-    - 'spec/models/export_spec.rb'
-
 # This cop supports unsafe autocorrection (--autocorrect-all).
 # Configuration parameters: MaxKeyValuePairs.
 Performance/RedundantMerge:

app/models/account_suggestions/source.rb

@@ -18,7 +18,7 @@ class AccountSuggestions::Source
   def as_ordered_suggestions(scope, ordered_list)
     return [] if ordered_list.empty?
 
-    map = scope.index_by(&method(:to_ordered_list_key))
+    map = scope.index_by { |account| to_ordered_list_key(account) }
 
     ordered_list.map { |ordered_list_key| map[ordered_list_key] }.compact.map do |account|
       AccountSuggestions::Suggestion.new(

spec/models/export_spec.rb

@@ -10,7 +10,7 @@ describe Export do
 
   describe 'to_csv' do
     it 'returns a csv of the blocked accounts' do
-      target_accounts.each(&account.method(:block!))
+      target_accounts.each { |target_account| account.block!(target_account) }
 
       export = Export.new(account).to_blocked_accounts_csv
       results = export.strip.split
@@ -20,7 +20,7 @@ describe Export do
     end
 
     it 'returns a csv of the muted accounts' do
-      target_accounts.each(&account.method(:mute!))
+      target_accounts.each { |target_account| account.mute!(target_account) }
 
       export = Export.new(account).to_muted_accounts_csv
       results = export.strip.split("\n")
@@ -31,7 +31,7 @@ describe Export do
     end
 
     it 'returns a csv of the following accounts' do
-      target_accounts.each(&account.method(:follow!))
+      target_accounts.each { |target_account| account.follow!(target_account) }
 
       export = Export.new(account).to_following_accounts_csv
       results = export.strip.split("\n")
@@ -51,17 +51,17 @@ describe Export do
 
   describe 'total_follows' do
     it 'returns the total number of the followed accounts' do
-      target_accounts.each(&account.method(:follow!))
+      target_accounts.each { |target_account| account.follow!(target_account) }
       expect(Export.new(account.reload).total_follows).to eq 2
     end
 
     it 'returns the total number of the blocked accounts' do
-      target_accounts.each(&account.method(:block!))
+      target_accounts.each { |target_account| account.block!(target_account) }
       expect(Export.new(account.reload).total_blocks).to eq 2
     end
 
     it 'returns the total number of the muted accounts' do
-      target_accounts.each(&account.method(:mute!))
+      target_accounts.each { |target_account| account.mute!(target_account) }
       expect(Export.new(account.reload).total_mutes).to eq 2
     end
   end