lib/rubocop/cop/style/case_indentation.rb in rubocop-0.26.1 vs lib/rubocop/cop/style/case_indentation.rb in rubocop-0.27.0

@@ -25,26 +25,34 @@
         private
 
         def check_when(when_node, case_node, base, indent, base_column)
           pos = when_node.loc.keyword
           expected_column = base_column +
-            (indent ? IndentationWidth::CORRECT_INDENTATION : 0)
+                            (indent ? configured_indentation_width : 0)
           if pos.column == expected_column
             correct_style_detected
           else
-            msg = 'Indent `when` ' + if indent
-                                       "one step more than `#{base}`."
-                                     else
-                                       "as deep as `#{base}`."
-                                     end
-            add_offense(when_node, pos, msg) do
-              if pos.column == base_column(case_node, alternative_style)
-                opposite_style_detected
-              else
-                unrecognized_style_detected
-              end
+            incorrect_style(when_node, case_node, base, pos, indent)
+          end
+        end
+
+        def incorrect_style(when_node, case_node, base, pos, indent)
+          msg = 'Indent `when` ' + if indent
+                                     "one step more than `#{base}`."
+                                   else
+                                     "as deep as `#{base}`."
+                                   end
+          add_offense(when_node, pos, msg) do
+            if pos.column == base_column(case_node, alternative_style)
+              opposite_style_detected
+            else
+              unrecognized_style_detected
             end
           end
+        end
+
+        def configured_indentation_width
+          config.for_cop('IndentationWidth')['Width']
         end
 
         def parameter_name
           'IndentWhenRelativeTo'
         end