Class: Cucumber::RbSupport::RbStepDefinition

Inherits:
Object
  • Object
show all
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

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 26

def initialize(rb_language, regexp, proc)
  raise MissingProc if proc.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
  @rb_language.available_step_definition(regexp_source, file_colon_line)
end

Instance Method Details

#==(step_definition) ⇒ Object 



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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 49

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 53

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 ⇒ Object 



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

def backtrace_line
  @proc.backtrace_line(regexp_source)
end

#file ⇒ Object 



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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 77

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 73

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 59

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 ⇒ Object 



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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 37

def regexp_source
  @regexp.inspect
end

#to_hash ⇒ Object 



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# File 'lib/cucumber/rb_support/rb_step_definition.rb', line 41

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