Class: Cucumber::RbSupport::RbStepDefinition

Inherits:
Object
  • Object
show all
Includes:
LanguageSupport::StepDefinitionMethods
Defined in:
lib/cucumber/rb_support/rb_step_definition.rb

Overview

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

Defined Under Namespace

Classes: MissingProc

Instance Method Summary collapse

Methods included from LanguageSupport::StepDefinitionMethods

#backtrace_line, #step_match, #text_length

Constructor Details

#initialize(rb_language, regexp, proc) ⇒ RbStepDefinition

Returns a new instance of RbStepDefinition.

Raises:



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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 27

def initialize(rb_language, regexp, proc)
  raise MissingProc if proc.nil?
  if String === regexp
    p = regexp.gsub(/\$\w+/, '(.*)') # Replace $var with (.*)
    regexp = Regexp.new("^#{p}$") 
  end
  @rb_language, @regexp, @proc = rb_language, regexp, proc
end

Instance Method Details

#==(step_definition) ⇒ Object 



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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 40

def ==(step_definition)
  regexp_source == step_definition.regexp_source
end

#arguments_from(step_name) ⇒ Object 



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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 44

def arguments_from(step_name)
  args = RegexpArgumentMatcher.arguments_from(@regexp, step_name)
  @matched = true if args
  args
end

#file ⇒ Object 



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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 69

def file
  @file ||= file_colon_line.split(':')[0]
end

#file_colon_line ⇒ Object 



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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 65

def file_colon_line
  @proc.file_colon_line
end

#invoke(args) ⇒ Object 



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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 50

def invoke(args)
  args = args.map{|arg| Ast::PyString === arg ? arg.to_s : arg}
  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

#matched? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 61

def matched?
  @matched
end

#regexp_source ⇒ Object 



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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 36

def regexp_source
  @regexp.inspect
end