module GeneratorSpec::GeneratorExampleGroup::InstanceMethods

def capture(stream)

stream # => "Cool\n"
stream = capture(:stdout){ puts "Cool" }

Captures the given stream and returns it:

def capture(stream)
  begin
    stream = stream.to_s
    eval "$#{stream} = StringIO.new"
    yield
    result = eval("$#{stream}").string
  ensure
    eval("$#{stream} = #{stream.upcase}")
  end
  result
end

Instance Methods