Compare methods in different classes

classes_branches_diff.rb

def digest array
  Digest::MD5.hexdigest array.to_s
end

def write file, array
  File.open(file, 'w') { |f| f.write array.sort.to_json }
end

def read file 
  File.open(file, 'r') { |f| JSON.parse(f.read) }
end

def compare a, b
  puts "count: #{a.count} #{b.count}"
  puts "MD5s: #{digest(a)} #{digest(b)}" 

  if digest(a) != digest(b)
    puts "Missing from A: " + b.select { |i| !a.include? i }.to_s
    puts "Missing from B: " + a.select { |i| !b.include? i }.to_s
  end

end


branch = 'liii_modularize'
klass = Liii


write "/tmp/#{klass.name}.methods.#{branch}", klass.methods
write "/tmp/#{klass.name}.new.methods.#{branch}", klass.new.methods




# comparing

branch_a = 'master'
branch_b = 'liii_modularize'



compare read("/tmp/#{klass.name}.methods.#{branch_a}"), read("/tmp/#{klass.name}.methods.#{branch_b}")
compare read("/tmp/#{klass.name}.new.methods.#{branch_a}"), read("/tmp/#{klass.name}.new.methods.#{branch_b}")