Alter multiline memoization message for braces enforced style

Author: biinari

lib/rubocop/cop/style/multiline_memoization.rb

@@ -34,7 +34,8 @@ class MultilineMemoization < Base
         include ConfigurableEnforcedStyle
         extend AutoCorrector
 
-        MSG = 'Wrap multiline memoization blocks in `begin` and `end`.'
+        KEYWORD_MSG = 'Wrap multiline memoization blocks in `begin` and `end`.'
+        BRACES_MSG = 'Wrap multiline memoization blocks in `(` and `)`.'
 
         def on_or_asgn(node)
           _lhs, rhs = *node
@@ -51,6 +52,10 @@ def on_or_asgn(node)
           end
         end
 
+        def message(_node)
+          style == :braces ? BRACES_MSG : KEYWORD_MSG
+        end
+
         private
 
         def bad_rhs?(rhs)

spec/rubocop/cop/style/multiline_memoization_spec.rb

@@ -134,7 +134,7 @@
           it 'registers an offense for begin...end block on first line' do
             expect_offense(<<~RUBY)
               foo ||= begin
-              ^^^^^^^^^^^^^ Wrap multiline memoization blocks in `begin` and `end`.
+              ^^^^^^^^^^^^^ Wrap multiline memoization blocks in `(` and `)`.
                 bar
                 baz
               end
@@ -150,7 +150,7 @@
           it 'registers an offense for begin...end block on following line' do
             expect_offense(<<~RUBY)
               foo ||=
-              ^^^^^^^ Wrap multiline memoization blocks in `begin` and `end`.
+              ^^^^^^^ Wrap multiline memoization blocks in `(` and `)`.
                 begin
                   bar
                   baz