class RSpec::Core::CommandLine

def configuration
  RSpec.configuration
end

def example_count
  world.example_count
end

def example_groups
  world.example_groups.extend(ExampleGroups)
end

def initialize(args_or_options)
  if RSpec::Core::ConfigurationOptions === args_or_options
    @options = args_or_options
  else
    @options = RSpec::Core::ConfigurationOptions.new(args_or_options)
    @options.parse_options
  end
  @options.configure(configuration)
  configuration.require_files_to_run
  configuration.configure_mock_framework
end

def run(err, out)
  configuration.error_stream = err
  configuration.output_stream = out
  world.announce_inclusion_filter
  configuration.reporter.report(example_count) do |reporter|
    begin
      configuration.run_hook(:before, :suite)
      example_groups.run_examples(reporter)
    ensure
      configuration.run_hook(:after, :suite)
    end
  end
  example_groups.success?
end

def world
  RSpec.world
end