Cover symbol methods

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Master (Unreleased)
 
+- Fix an incorrect autocorrect for `RSpec/ReceiveMessages` when method is only non-word character. ([@marocchino])
 - Fix a false positive for `RSpec/ReceiveMessages` when return with splat. ([@marocchino])
 
 ## 2.23.1 (2023-08-07)

lib/rubocop/cop/rspec/receive_messages.rb

@@ -153,7 +153,7 @@ def heredoc_or_splat?(node)
         end
 
         def requires_quotes?(value)
-          value.match?(/^:".*?"|=$/)
+          value.match?(/^:".*?"|=$|^\W+$/)
         end
       end
     end

spec/rubocop/cop/rspec/receive_messages_spec.rb

@@ -39,6 +39,24 @@
     RUBY
   end
 
+  it 'registers an offense when multiple messeages stubbed on the ' \
+     'same object and symbol methods' do
+    expect_offense(<<~RUBY)
+      before do
+        allow(Service).to receive(:`).and_return(true)
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Use `receive_messages` instead of multiple stubs on lines [3].
+        allow(Service).to receive(:[]).and_return(true)
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Use `receive_messages` instead of multiple stubs on lines [2].
+      end
+    RUBY
+
+    expect_correction(<<~RUBY)
+      before do
+        allow(Service).to receive_messages('`': true, '[]': true)
+      end
+    RUBY
+  end
+
   it 'registers an offense when multiple messeages stubbed on the ' \
      'same object and return array' do
     expect_offense(<<~RUBY)