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tag: v3.2.3
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class CodeStatistics #:nodoc:
TEST_TYPES = %w(Units Functionals Unit\ tests Functional\ 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$/)
stats = { "lines" => 0, "codelines" => 0, "classes" => 0, "methods" => 0 }
Dir.foreach(directory) do |file_name|
if File.directory?(directory + "/" + file_name) and (/^\./ !~ file_name)
newstats = calculate_directory_statistics(directory + "/" + file_name, pattern)
stats.each { |k, v| stats[k] += newstats[k] }
end
next unless file_name =~ pattern
f = File.open(directory + "/" + file_name)
comment_started = false
while line = f.gets
stats["lines"] += 1
if(comment_started)
if line =~ /^=end/
comment_started = false
end
next
else
if line =~ /^=begin/
comment_started = true
next
end
end
stats["classes"] += 1 if line =~ /^\s*class\s+[_A-Z]/
stats["methods"] += 1 if line =~ /^\s*def\s+[_a-z]/
stats["codelines"] += 1 unless line =~ /^\s*$/ || line =~ /^\s*#/
end
end
stats
end
def calculate_total
total = { "lines" => 0, "codelines" => 0, "classes" => 0, "methods" => 0 }
@statistics.each_value { |pair| pair.each { |k, v| total[k] += v } }
total
end
def calculate_code
code_loc = 0
@statistics.each { |k, v| code_loc += v['codelines'] unless TEST_TYPES.include? k }
code_loc
end
def calculate_tests
test_loc = 0
@statistics.each { |k, v| test_loc += v['codelines'] 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["codelines"] / statistics["methods"]) - 2 rescue loc_over_m = 0
start = if TEST_TYPES.include? name
"| #{name.ljust(20)} "
else
"| #{name.ljust(20)} "
end
puts start +
"| #{statistics["lines"].to_s.rjust(5)} " +
"| #{statistics["codelines"].to_s.rjust(5)} " +
"| #{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
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