Class: Features2Cards::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/features2cards/cli.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args, out_stream = STDOUT, error_stream = STDERR) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/features2cards/cli.rb', line 15

def initialize(args, out_stream = STDOUT, error_stream = STDERR)
  @args    = args  
  @out_stream   = out_stream
  @error_stream = error_stream
  @paths   = []
  @options = default_options      
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/features2cards/cli.rb', line 9

def options
  @options
end

#paths ⇒ Object (readonly)

Returns the value of attribute paths.



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# File 'lib/features2cards/cli.rb', line 8

def paths
  @paths
end

Class Method Details

.execute(args) ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 11

def self.execute(args)
  new(args).execute!
end

Instance Method Details

#cards ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 73

def cards
  features_to_cards(features)
end

#default_options ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 112

def default_options
  {
    :lang     => "en",
    :pdf_file => "cards.pdf"
  }
end

#execute! ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 23

def execute!    
  parse!(@args)
  load_cucumber(@options[:lang])
  if feature_files.empty?
    usage
    exit
  end
  
  generate_pdf(cards)
end

#feature_files ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 83

def feature_files
  potential_feature_files = @paths.map do |path|
    path = path.gsub(/\\/, '/') # In case we're on windows. Globs don't work with backslashes.
    path = path.chomp('/')
    File.directory?(path) ? Dir["#{path}/**/*.feature"] : path
  end.flatten.uniq
  potential_feature_files
end

#features ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 77

def features
  feature_files.map do |file|
    parser.parse_file(file, {})
  end
end

#features_to_cards(features) ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 97

def features_to_cards(features)
  features.map do |feature|
    [Card.for_feature(feature, @options[:lang])] 
  end.flatten
end

#generate_pdf(cards) ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 103

def generate_pdf(cards)
  Prawn::Document.generate_cards(@options[:pdf_file], cards)
end

#load_cucumber(lang) ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 65

def load_cucumber(lang)
  Cucumber.load_language(lang)
  
  Cucumber::Ast::Feature.class_eval do
    attr_reader :scenarios
  end
end

#parse!(args) ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 34

def parse!(args)
  @args = args
  @args.extend(::OptionParser::Arguable)      
  @args.options  do |opts|
    opts.banner = ["Usage: features2cards [options] [ [FILE|DIR] ]+", "",
      "Examples:",
      "features2cards features2cards.feature",
      "features2cards --language it examples/i18n/it",  
    ].join("\n")
    opts.on("-l [LANG]", "--language [LANG]",
      "Specify language for features (Default: #{@options[:lang]})") do |v|         
      @options[:lang] = v
    end
    opts.on("-o", "--out [FILE]",
      "Specify pdf output file (Default: #{@options[:pdf_file]}).") do |v|
      @options[:pdf_file] = v
    end
    opts.on_tail("--version", "Show version.") do
      @out_stream.puts VERSION::STRING
      Kernel.exit
    end
    opts.on_tail("-h", "--help", "You're looking at it.") do
      @out_stream.puts opts.help
      Kernel.exit
    end        
end.parse!

  # Whatever is left after option parsing is the FILE arguments
  @paths += args
end

#parser ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 93

def parser
  @parser ||= Cucumber::Parser::FeatureParser.new
end

#usage ⇒ Object 



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# File 'lib/features2cards/cli.rb', line 107

def usage
  @error_stream.puts "ERROR: No feature files given"
  @error_stream.puts "Type 'features2cards --help' for usage."
end