Class: Spec::Runner::OptionParser

Inherits:
Object
  • Object
show all
Defined in:
lib/spec/runner/option_parser.rb

Class Method Summary collapse

Class Method Details

.create_context_runner(args, standalone, err, out = STDOUT) ⇒ Object



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# File 'lib/spec/runner/option_parser.rb', line 8

def self.create_context_runner(args, standalone, err, out=STDOUT)
  options = parse(args, standalone, err, out)

  formatter = options.formatter_type.new(options.out, options.dry_run)
  reporter = Reporter.new(formatter, options.backtrace_tweaker) 
  ContextRunner.new(reporter, standalone, options.dry_run, options.spec_name)
end

.parse(args, standalone, err, out) ⇒ Object



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# File 'lib/spec/runner/option_parser.rb', line 16

def self.parse(args, standalone, err, out)
  options = OpenStruct.new
  options.out = out
  options.formatter_type = Formatter::ProgressBarFormatter
  options.backtrace_tweaker = QuietBacktraceTweaker.new
  options.spec_name = nil

  opts = ::OptionParser.new do |opts|
    opts.banner = "Usage: spec [options] (FILE|DIRECTORY|GLOB)+"
    opts.separator ""

    opts.on("--diff", "Show unified diff of Strings that are expected to be equal when they are not") do
      require 'spec/api/helper/diff'
    end
    
    opts.on("-s", "--spec SPECIFICATION_NAME", "Execute a single specification") do |spec_name|
      options.spec_name = spec_name
    end

    opts.on("-f", "--format FORMAT", "Builtin formats: specdoc|s|rdoc|r|html|h", 
                                     "You can also specify a custom formatter class",
                                     "(in which case you should also specify --require)") do |format|
      case format
        when 'specdoc', 's'
          options.formatter_type = Formatter::SpecdocFormatter
        when 'html', 'h'
          options.formatter_type = Formatter::HtmlFormatter
        when 'rdoc', 'r'
          options.formatter_type = Formatter::RdocFormatter
          options.dry_run = true
      else
        begin
          options.formatter_type = eval(format)
        rescue NameError
          err.puts "Couldn't find formatter class #{format}"
          err.puts "Make sure the --require option is specified *before* --format"
          exit if out == $stdout
        end
      end
    end

    opts.on("-r", "--require FILE", "Require FILE before running specs",
                                    "Useful for loading custom formatters or other extensions") do |req|
      require req
    end
    
    opts.on("-b", "--backtrace", "Output full backtrace") do
      options.backtrace_tweaker = NoisyBacktraceTweaker.new
    end
    
    opts.on("-d", "--dry-run", "Don't execute specs") do
      options.dry_run = true
    end
    
    opts.on("-v", "--version", "Show version") do
      out.puts ::Spec::VERSION::DESCRIPTION
      exit if out == $stdout
    end

    opts.on_tail("-h", "--help", "You're looking at it") do
      out.puts opts
      exit if out == $stdout
    end
    
  end
  opts.parse!(args)

  if args.empty?
    err.puts opts unless standalone
    exit if err == $stderr unless standalone
  end

  options
end