Class: Turbulence

Inherits:
Object
  • Object
show all
Defined in:
lib/turbulence.rb,
lib/turbulence/version.rb,
lib/turbulence/scatter_plot_generator.rb

Defined Under Namespace

Classes: Reporter, ScatterPlotGenerator

Constant Summary collapse

VERSION = 
"0.0.3"

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dir) ⇒ Turbulence

Returns a new instance of Turbulence.



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# File 'lib/turbulence.rb', line 13

def initialize(dir)
  @dir = dir
  @metrics = {}
  Dir.chdir(dir) do
    churn
    complexity
  end
end

Instance Attribute Details

#dir ⇒ Object (readonly)

Returns the value of attribute dir.



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# File 'lib/turbulence.rb', line 11

def dir
  @dir
end

#metrics ⇒ Object (readonly)

Returns the value of attribute metrics.



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# File 'lib/turbulence.rb', line 12

def metrics
  @metrics
end

Instance Method Details

#churn ⇒ Object 



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# File 'lib/turbulence.rb', line 27

def churn
  files = changes_by_ruby_file.select { |_, filename| ruby_files.include?(filename) }
  files.each do |count, filename|
    print "."
    metrics_for(filename)[:churn] = Integer(count)
  end
end

#complexity ⇒ Object 



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# File 'lib/turbulence.rb', line 35

def complexity
  flogger = Flog.new
  ruby_files.each do |filename|
    print "."

    begin
      flogger.flog filename
      reporter = Reporter.new
      flogger.report(reporter)
      metrics_for(filename)[:complexity] = reporter.average
    rescue SyntaxError, Racc::ParseError => e
      puts "\nError flogging: #{filename}\n"
    end
  end
end

#metrics_for(filename) ⇒ Object 



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# File 'lib/turbulence.rb', line 51

def metrics_for(filename)
  @metrics[filename] ||= {}
end

#ruby_files ⇒ Object 



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# File 'lib/turbulence.rb', line 22

def ruby_files
  files = ["app/models", "app/controllers", "app/helpers", "lib"].map{|base_dir| "#{base_dir}/**/*\.rb"}
  @ruby_files ||= Dir[*files]
end