1 files changed, 19 insertions, 17 deletions
diff --git a/railties/lib/rails/code_statistics.rb b/railties/lib/rails/code_statistics.rb
index 7a8f42fe94..9c447c366f 100644
--- a/railties/lib/rails/code_statistics.rb
+++ b/railties/lib/rails/code_statistics.rb
@@ -1,16 +1,18 @@
-require 'rails/code_statistics_calculator'
-require 'active_support/core_ext/enumerable'
+# frozen_string_literal: true
 
-class CodeStatistics #:nodoc:
+require "rails/code_statistics_calculator"
+require "active_support/core_ext/enumerable"
 
-  TEST_TYPES = ['Controller tests',
-                'Helper tests',
-                'Model tests',
-                'Mailer tests',
-                'Job tests',
-                'Integration tests']
+class CodeStatistics #:nodoc:
+  TEST_TYPES = ["Controller tests",
+                "Helper tests",
+                "Model tests",
+                "Mailer tests",
+                "Job tests",
+                "Integration tests",
+                "System tests"]
 
-  HEADERS = {lines: ' Lines', code_lines: '   LOC', classes: 'Classes', methods: 'Methods'}
+  HEADERS = { lines: " Lines", code_lines: "   LOC", classes: "Classes", methods: "Methods" }
 
   def initialize(*pairs)
     @pairs      = pairs
@@ -33,7 +35,7 @@ class CodeStatistics #:nodoc:
 
   private
     def calculate_statistics
-      Hash[@pairs.map{|pair| [pair.first, calculate_directory_statistics(pair.last)]}]
+      Hash[@pairs.map { |pair| [pair.first, calculate_directory_statistics(pair.last)] }]
     end
 
     def calculate_directory_statistics(directory, pattern = /^(?!\.).*?\.(rb|js|coffee|rake)$/)
@@ -71,25 +73,25 @@ class CodeStatistics #:nodoc:
     end
 
     def width_for(label)
-      [@statistics.values.sum {|s| s.send(label) }.to_s.size, HEADERS[label].length].max
+      [@statistics.values.sum { |s| s.send(label) }.to_s.size, HEADERS[label].length].max
     end
 
     def print_header
       print_splitter
-      print '| Name                '
+      print "| Name                "
       HEADERS.each do |k, v|
         print " | #{v.rjust(width_for(k))}"
       end
-      puts ' | M/C | LOC/M |'
+      puts " | M/C | LOC/M |"
       print_splitter
     end
 
     def print_splitter
-      print '+----------------------'
+      print "+----------------------"
       HEADERS.each_key do |k|
         print "+#{'-' * (width_for(k) + 2)}"
       end
-      puts '+-----+-------+'
+      puts "+-----+-------+"
     end
 
     def print_line(name, statistics)
@@ -107,7 +109,7 @@ class CodeStatistics #:nodoc:
       code  = calculate_code
       tests = calculate_tests
 
-      puts "  Code LOC: #{code}     Test LOC: #{tests}     Code to Test Ratio: 1:#{sprintf("%.1f", tests.to_f/code)}"
+      puts "  Code LOC: #{code}     Test LOC: #{tests}     Code to Test Ratio: 1:#{sprintf("%.1f", tests.to_f / code)}"
       puts ""
     end
 end