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rails--rails/railties/lib/rails/code_statistics.rb

100 lines
2.7 KiB
Ruby

require 'rails/code_statistics_calculator'
class CodeStatistics #:nodoc:
TEST_TYPES = ['Controller tests',
'Helper tests',
'Model tests',
'Mailer tests',
'Job tests',
'Integration tests']
def initialize(*pairs)
@pairs = pairs
@statistics = calculate_statistics
@total = calculate_total if pairs.length > 1
end
def to_s
print_header
@pairs.each { |pair| print_line(pair.first, @statistics[pair.first]) }
print_splitter
if @total
print_line("Total", @total)
print_splitter
end
print_code_test_stats
end
private
def calculate_statistics
Hash[@pairs.map{|pair| [pair.first, calculate_directory_statistics(pair.last)]}]
end
def calculate_directory_statistics(directory, pattern = /.*\.(rb|js|coffee)$/)
stats = CodeStatisticsCalculator.new
Dir.foreach(directory) do |file_name|
path = "#{directory}/#{file_name}"
if File.directory?(path) && (/^\./ !~ file_name)
stats.add(calculate_directory_statistics(path, pattern))
elsif file_name =~ pattern
stats.add_by_file_path(path)
end
end
stats
end
def calculate_total
@statistics.each_with_object(CodeStatisticsCalculator.new) do |pair, total|
total.add(pair.last)
end
end
def calculate_code
code_loc = 0
@statistics.each { |k, v| code_loc += v.code_lines unless TEST_TYPES.include? k }
code_loc
end
def calculate_tests
test_loc = 0
@statistics.each { |k, v| test_loc += v.code_lines if TEST_TYPES.include? k }
test_loc
end
def print_header
print_splitter
puts "| Name | Lines | LOC | Classes | Methods | M/C | LOC/M |"
print_splitter
end
def print_splitter
puts "+----------------------+--------+--------+---------+---------+-----+-------+"
end
def print_line(name, statistics)
m_over_c = (statistics.methods / statistics.classes) rescue m_over_c = 0
loc_over_m = (statistics.code_lines / statistics.methods) - 2 rescue loc_over_m = 0
puts "| #{name.ljust(20)} " \
"| #{statistics.lines.to_s.rjust(6)} " \
"| #{statistics.code_lines.to_s.rjust(6)} " \
"| #{statistics.classes.to_s.rjust(7)} " \
"| #{statistics.methods.to_s.rjust(7)} " \
"| #{m_over_c.to_s.rjust(3)} " \
"| #{loc_over_m.to_s.rjust(5)} |"
end
def print_code_test_stats
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 ""
end
end