tasks/spec_statistics.rb

   1
   2 # via http://refactormycode.com/codes/91-rake-stats-for-rspec
   3 class SpecStatistics < CodeStatistics
   4
   5   TEST_TYPES << "Specs"
   6
   7   private
   8   def calculate_directory_statistics(directory, pattern = /.*\.rb$/)
   9     stats = { "lines" => 0, "codelines" => 0, "classes" => 0, "methods" => 0, "specs" => 0, "behaviors" => 0 }
  10
  11
  12     Dir.foreach(directory) do |file_name|
  13       if File.stat(directory + "/" + file_name).directory? and (/^\./ !~ file_name)
  14         newstats = calculate_directory_statistics(directory + "/" + file_name, pattern)
  15         stats.each { |k, v| stats[k] += newstats[k] }
  16       end
  17
  18       next unless file_name =~ pattern
  19
  20       f = File.open(directory + "/" + file_name)
  21
  22       while line = f.gets
  23         stats["lines"]     += 1
  24         stats["classes"]   += 1 if line =~ /class [A-Z]/
  25         stats["methods"]   += 1 if line =~ /def [a-z]/
  26         stats["specs"]     += 1 if line =~ /it.*(do|\{)/
  27         stats["behaviors"] += 1 if line =~ /describe.*(do|\{)/
  28         stats["codelines"] += 1 unless line =~ /^\s*$/ || line =~ /^\s*#/
  29       end
  30     end
  31
  32     stats
  33   end
  34
  35   def calculate_total
  36     total = { "lines" => 0, "codelines" => 0, "classes" => 0, "methods" => 0, "specs" => 0, "behaviors" => 0 }
  37     @statistics.each_value { |pair| pair.each { |k, v| total[k] += v } }
  38     total
  39   end
  40
  41   def print_header
  42     print_splitter
  43     puts "| Name                 | Lines |   LOC | Classes | Methods | Behaviors | Specifications | M/C | LOC/M | S/B |"
  44     print_splitter
  45   end
  46
  47   def print_splitter
  48     puts "+----------------------+-------+-------+---------+---------+-----------+----------------+-----+-------+-----+"
  49   end
  50
  51   def print_line(name, statistics)
  52     m_over_c   = (statistics["methods"] / statistics["classes"])   rescue m_over_c = 0
  53     loc_over_m = (statistics["codelines"] / statistics["methods"]) - 2 rescue loc_over_m = 0
  54
  55     s_over_b = (statistics["specs"] / statistics["behaviors"]) rescue 0
  56
  57     start = if TEST_TYPES.include? name
  58       "| #{name.ljust(20)} "
  59     else
  60       "| #{name.ljust(20)} "
  61     end
  62
  63     puts start +
  64          "| #{statistics["lines"].to_s.rjust(5)} " +
  65          "| #{statistics["codelines"].to_s.rjust(5)} " +
  66          "| #{statistics["classes"].to_s.rjust(7)} " +
  67          "| #{statistics["methods"].to_s.rjust(7)} " +
  68          "| #{statistics["behaviors"].to_s.rjust(10)}" +
  69          "| #{statistics["specs"].to_s.rjust(15)}" +
  70          "| #{m_over_c.to_s.rjust(3)} " +
  71          "| #{loc_over_m.to_s.rjust(6)}" +
  72          "| #{s_over_b.to_s.rjust(3)} |"
  73   end
  74 end
  75