Class: CLOCScanner

Inherits:
Object
  • Object
show all
Defined in:
lib/pluginscan/reports/cloc_report/cloc_scanner.rb

Overview

Responsible for running the cloc system command and handling any resulting errors

Defined Under Namespace

Classes: ArgumentError, CSVError, Exception, NoDirectory, Unavailable

Instance Method Summary collapse

Constructor Details

#initialize(system_cloc = SystemCloc.new) ⇒ CLOCScanner

Returns a new instance of CLOCScanner.



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# File 'lib/pluginscan/reports/cloc_report/cloc_scanner.rb', line 11

def initialize(system_cloc = SystemCloc.new)
  @system_cloc = system_cloc
end

Instance Method Details

#scan(directory) ⇒ Object 



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# File 'lib/pluginscan/reports/cloc_report/cloc_scanner.rb', line 15

def scan(directory)
  fail ArgumentError, "directory must must be a string (or quack like a string)" unless directory.respond_to?(:to_str)
  fail Unavailable, "The 'cloc' command is unavailable. Is it installed and in your path?" unless cloc_available?
  fail NoDirectory, "No such directory: '#{directory}'" unless Dir.exist?(directory)

  result, status = @system_cloc.call(directory)

  if status.success?
    CLOC.new(cloc_csv(result))
  else
    raise Exception, "CLOC raised an error we didn't recognise. Here's the output:\n#{result}"
  end
end