Rails core - Mar 2010 - Adding a stats task to rails itself.

From 915380ad38e2a7df088014856235e401467e8a4b Mon Sep 17 00:00:00 2001
From: Richard Penwell <almightylinuxgod@me.com>
Date: Fri, 12 Mar 2010 14:12:49 -0500
Subject: [PATCH] Enhanced code statistics tasks for Rails.

* Statistics module detects other test and spec types.
* Provided a Rails spec task
---
 Rakefile                              |   17 +++++++++++++++++
 railties/lib/rails/code_statistics.rb |    8 ++++----
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/Rakefile b/Rakefile
index 4437b48..8e47641 100644
--- a/Rakefile
+++ b/Rakefile
@@ -148,3 +148,20 @@ task :update_versions do
     end
   end
 end
+
+desc "Report code statistics (KLOCs, etc) from the application"
+task :stats do
+  require ''railties/lib/rails/code_statistics''
+
+  STATS_DIRECTORIES +    %w(ActionPack ActiveSupport Railties ActiveModel ARel
ActiveRecord ActionMailer ActiveResource).inject(Array.new) do |array,
framework|
+      array << [framework, File.join(framework.downcase,
''lib'')]
+      if File.exists?(File.join(framework.downcase, ''test''))
+        array << [framework + '' tests'',
File.join(framework.downcase,
''test'')]
+      elsif File.exists?(File.join(framework.downcase,
''spec''))
+        array << [framework + '' specs'',
File.join(framework.downcase,
''spec'')]
+      end
+    end
+
+   CodeStatistics.new(*STATS_DIRECTORIES).to_s
+end
diff --git a/railties/lib/rails/code_statistics.rb b/railties/lib/
rails/code_statistics.rb
index 740d8a1..4be8041 100644
--- a/railties/lib/rails/code_statistics.rb
+++ b/railties/lib/rails/code_statistics.rb
@@ -1,6 +1,6 @@
 class CodeStatistics #:nodoc:

-  TEST_TYPES = %w(Units Functionals Unit\ tests Functional\ tests
Integration\ tests)
+  TEST_TYPES = %w(tests specs)

   def initialize(*pairs)
     @pairs      = pairs
@@ -58,13 +58,13 @@ class CodeStatistics #:nodoc:

     def calculate_code
       code_loc = 0
-      @statistics.each { |k, v| code_loc += v[''codelines'']
unless
TEST_TYPES.include? k }
+      @statistics.each { |k, v| code_loc += v[''codelines'']
unless
TEST_TYPES.any?{|t| k.include? t} }
       code_loc
     end

     def calculate_tests
       test_loc = 0
-      @statistics.each { |k, v| test_loc += v[''codelines''] if
TEST_TYPES.include? k }
+      @statistics.each { |k, v| test_loc += v[''codelines''] if
TEST_TYPES.any?{|t| k.include? t} }
       test_loc
     end

@@ -82,7 +82,7 @@ class CodeStatistics #:nodoc:
       m_over_c   = (statistics["methods"] /
statistics["classes"])
rescue m_over_c = 0
       loc_over_m = (statistics["codelines"] /
statistics["methods"])
- 2 rescue loc_over_m = 0

-      start = if TEST_TYPES.include? name
+      start = if TEST_TYPES.any?{|t| name.include? t}
         "| #{name.ljust(20)} "
       else
         "| #{name.ljust(20)} "
--
1.6.6

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