Module: Screengem::PageReferences

Defined in:
lib/screengem/page_references.rb

Overview

rubocop:disable Style/GuardClause

Class Method Summary collapse

Class Method Details

.extended(_mod) ⇒ Object 



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# File 'lib/screengem/page_references.rb', line 8

def self.extended(_mod)
  # One time definition of the page object references.
  return unless PageReferences.instance_methods.empty?

  #
  # Generate a factory method for each page object we can find.
  #
  # Example:
  #
  #   def login_page
  #     @login_page ||= Pages::LoginPage.new
  #   end
  #
  generated_method_names = []

  Screengem::FeaturePage.descendants.each do |page_object|
    class_name = page_object.name
    method_name = class_name.demodulize.underscore

    if generated_method_names.include?(method_name)
      raise "Name collision: two page objects resolve to '#{method_name}'."
    else
      generated_method_names << method_name
    end

    module_eval("      def \#{method_name}\n        @\#{method_name} ||= \#{class_name}.new\n      end\n    RUBY\n  end\nend\n", __FILE__, __LINE__ + 1)