class Cucumber::RbSupport::RbStepDefinition

A Ruby Step Definition holds a Regexp and a Proc, and is created by calling Given, When or Then in the step_definitions ruby files. See also RbDsl.

Example:

Given /I have (\d+) cucumbers in my belly/ do
  # some code here
end

Public Class Methods

new(rb_language, regexp, proc_or_sym, options) click to toggle source
# File lib/cucumber/rb_support/rb_step_definition.rb, line 26
def initialize(rb_language, regexp, proc_or_sym, options)
  raise MissingProc if proc_or_sym.nil?
  if String === regexp
    p = Regexp.escape(regexp)
    p = p.gsub(/\\$\w+/, '(.*)') # Replace $var with (.*)
    regexp = Regexp.new("^#{p}$") 
  end
  @rb_language, @regexp, @proc = rb_language, regexp, proc_or_sym
  if @proc.kind_of? Symbol
    @proc = lambda do |*args|
      target = options[:on] ? instance_exec(&options[:on]) : self
      target.send(proc_or_sym, *args)
    end
  end

  @rb_language.available_step_definition(regexp_source, file_colon_line)
end

Public Instance Methods

==(step_definition) click to toggle source
# File lib/cucumber/rb_support/rb_step_definition.rb, line 56
def ==(step_definition)
  regexp_source == step_definition.regexp_source
end
arguments_from(step_name) click to toggle source
# File lib/cucumber/rb_support/rb_step_definition.rb, line 60
def arguments_from(step_name)
  args = RegexpArgumentMatcher.arguments_from(@regexp, step_name)
  @rb_language.invoked_step_definition(regexp_source, file_colon_line) if args
  args
end
backtrace_line() click to toggle source
# File lib/cucumber/rb_support/rb_step_definition.rb, line 76
def backtrace_line
  @proc.backtrace_line(regexp_source)
end
file() click to toggle source
# File lib/cucumber/rb_support/rb_step_definition.rb, line 89
def file
  @file ||= file_colon_line.split(':')[0]
end
file_colon_line() click to toggle source
# File lib/cucumber/rb_support/rb_step_definition.rb, line 80
def file_colon_line
  case @proc
  when Proc
    @proc.file_colon_line
  when Symbol
    ":#{@proc}"
  end
end
invoke(args) click to toggle source
# File lib/cucumber/rb_support/rb_step_definition.rb, line 66
def invoke(args)
  begin
    args = @rb_language.execute_transforms(args)
    @rb_language.current_world.cucumber_instance_exec(true, regexp_source, *args, &@proc)
  rescue Cucumber::ArityMismatchError => e
    e.backtrace.unshift(self.backtrace_line)
    raise e
  end
end
regexp_source() click to toggle source
# File lib/cucumber/rb_support/rb_step_definition.rb, line 44
def regexp_source
  @regexp.inspect
end
to_hash() click to toggle source
# File lib/cucumber/rb_support/rb_step_definition.rb, line 48
def to_hash
  flags = ''
  flags += 'm' if (@regexp.options & Regexp::MULTILINE) != 0
  flags += 'i' if (@regexp.options & Regexp::IGNORECASE) != 0
  flags += 'x' if (@regexp.options & Regexp::EXTENDED) != 0
  {'source' => @regexp.source, 'flags' => flags}
end