114 lines
3 KiB
Ruby
114 lines
3 KiB
Ruby
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require "rails/code_statistics_calculator"
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require "active_support/core_ext/enumerable"
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class CodeStatistics #:nodoc:
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TEST_TYPES = ["Controller tests",
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"Helper tests",
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"Model tests",
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"Mailer tests",
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"Job tests",
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"Integration tests",
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"System tests"]
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HEADERS = { lines: " Lines", code_lines: " LOC", classes: "Classes", methods: "Methods" }
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def initialize(*pairs)
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@pairs = pairs
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@statistics = calculate_statistics
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@total = calculate_total if pairs.length > 1
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end
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def to_s
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print_header
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@pairs.each { |pair| print_line(pair.first, @statistics[pair.first]) }
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print_splitter
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if @total
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print_line("Total", @total)
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print_splitter
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end
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print_code_test_stats
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end
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private
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def calculate_statistics
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Hash[@pairs.map { |pair| [pair.first, calculate_directory_statistics(pair.last)] }]
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end
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def calculate_directory_statistics(directory, pattern = /^(?!\.).*?\.(rb|js|coffee|rake)$/)
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stats = CodeStatisticsCalculator.new
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Dir.foreach(directory) do |file_name|
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path = "#{directory}/#{file_name}"
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if File.directory?(path) && (/^\./ !~ file_name)
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stats.add(calculate_directory_statistics(path, pattern))
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elsif file_name =~ pattern
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stats.add_by_file_path(path)
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end
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end
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stats
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end
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def calculate_total
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@statistics.each_with_object(CodeStatisticsCalculator.new) do |pair, total|
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total.add(pair.last)
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end
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end
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def calculate_code
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code_loc = 0
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@statistics.each { |k, v| code_loc += v.code_lines unless TEST_TYPES.include? k }
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code_loc
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end
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def calculate_tests
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test_loc = 0
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@statistics.each { |k, v| test_loc += v.code_lines if TEST_TYPES.include? k }
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test_loc
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end
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def width_for(label)
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[@statistics.values.sum { |s| s.send(label) }.to_s.size, HEADERS[label].length].max
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end
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def print_header
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print_splitter
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print "| Name "
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HEADERS.each do |k, v|
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print " | #{v.rjust(width_for(k))}"
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end
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puts " | M/C | LOC/M |"
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print_splitter
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end
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def print_splitter
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print "+----------------------"
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HEADERS.each_key do |k|
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print "+#{'-' * (width_for(k) + 2)}"
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end
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puts "+-----+-------+"
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end
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def print_line(name, statistics)
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m_over_c = (statistics.methods / statistics.classes) rescue m_over_c = 0
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loc_over_m = (statistics.code_lines / statistics.methods) - 2 rescue loc_over_m = 0
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print "| #{name.ljust(20)} "
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HEADERS.each_key do |k|
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print "| #{statistics.send(k).to_s.rjust(width_for(k))} "
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end
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puts "| #{m_over_c.to_s.rjust(3)} | #{loc_over_m.to_s.rjust(5)} |"
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end
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def print_code_test_stats
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code = calculate_code
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tests = calculate_tests
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puts " Code LOC: #{code} Test LOC: #{tests} Code to Test Ratio: 1:#{sprintf("%.1f", tests.to_f / code)}"
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puts ""
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end
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end
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