Extract some shared logic to BlankLineSeparation

Author: bquorning

lib/rubocop/cop/rspec/empty_line_after_example.rb

@@ -49,14 +49,10 @@ class EmptyLineAfterExample < Cop
 
         def on_block(node)
           return unless example?(node)
-          return if last_child?(node)
           return if allowed_one_liner?(node)
 
-          missing_separating_line(node) do |location|
-            msg = format(MSG, example: node.method_name)
-            add_offense(location, message: msg) do |corrector|
-              corrector.insert_after(location.end, "\n")
-            end
+          missing_separating_line_offense(node) do |method|
+            format(MSG, example: method)
           end
         end
 

lib/rubocop/cop/rspec/empty_line_after_example_group.rb

@@ -31,13 +31,9 @@ class EmptyLineAfterExampleGroup < Cop
 
         def on_block(node)
           return unless example_group?(node)
-          return if last_child?(node)
 
-          missing_separating_line(node) do |location|
-            msg = format(MSG, example_group: node.method_name)
-            add_offense(location, message: msg) do |corrector|
-              corrector.insert_after(location.end, "\n")
-            end
+          missing_separating_line_offense(node) do |method|
+            format(MSG, example_group: method)
           end
         end
       end

lib/rubocop/cop/rspec/empty_line_after_final_let.rb

@@ -28,13 +28,9 @@ def on_block(node)
           latest_let = node.body.child_nodes.select { |child| let?(child) }.last
 
           return if latest_let.nil?
-          return if last_child?(latest_let)
 
-          missing_separating_line(latest_let) do |location|
-            msg = format(MSG, let: latest_let.method_name)
-            add_offense(location, message: msg) do |corrector|
-              corrector.insert_after(location.end, "\n")
-            end
+          missing_separating_line_offense(latest_let) do |method|
+            format(MSG, let: method)
           end
         end
       end

lib/rubocop/cop/rspec/empty_line_after_hook.rb

@@ -41,13 +41,9 @@ class EmptyLineAfterHook < Cop
 
         def on_block(node)
           return unless hook?(node)
-          return if last_child?(node)
 
-          missing_separating_line(node) do |location|
-            msg = format(MSG, hook: node.method_name)
-            add_offense(location, message: msg) do |corrector|
-              corrector.insert_after(location.end, "\n")
-            end
+          missing_separating_line_offense(node) do |method|
+            format(MSG, hook: method)
           end
         end
       end

lib/rubocop/cop/rspec/empty_line_after_subject.rb

@@ -22,13 +22,9 @@ class EmptyLineAfterSubject < Cop
 
         def on_block(node)
           return unless subject?(node) && !in_spec_block?(node)
-          return if last_child?(node)
 
-          missing_separating_line(node) do |location|
-            msg = format(MSG, subject: node.method_name)
-            add_offense(location, message: msg) do |corrector|
-              corrector.insert_after(location.end, "\n")
-            end
+          missing_separating_line_offense(node) do |method|
+            format(MSG, subject: method)
           end
         end
 

lib/rubocop/rspec/empty_line_separation.rb

@@ -8,6 +8,17 @@ module EmptyLineSeparation
       include FinalEndLocation
       include RuboCop::Cop::RangeHelp
 
+      def missing_separating_line_offense(node)
+        return if last_child?(node)
+
+        missing_separating_line(node) do |location|
+          msg = yield(node.method_name)
+          add_offense(location, message: msg) do |corrector|
+            corrector.insert_after(location.end, "\n")
+          end
+        end
+      end
+
       def missing_separating_line(node)
         line = final_end_location(node).line