3rdparty/modules/stdlib/spec/functions/reverse_spec.rb

   1 #! /usr/bin/env ruby -S rspec
   2 require 'spec_helper'
   3
   4 describe "the reverse function" do
   5   let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
   6
   7   it "should exist" do
   8     expect(Puppet::Parser::Functions.function("reverse")).to eq("function_reverse")
   9   end
  10
  11   it "should raise a ParseError if there is less than 1 arguments" do
  12     expect { scope.function_reverse([]) }.to( raise_error(Puppet::ParseError))
  13   end
  14
  15   it "should reverse a string" do
  16     result = scope.function_reverse(["asdfghijkl"])
  17     expect(result).to(eq('lkjihgfdsa'))
  18   end
  19
  20   it "should accept objects which extend String" do
  21     class AlsoString < String
  22     end
  23
  24     value = AlsoString.new('asdfghjkl')
  25     result = scope.function_reverse([value])
  26     result.should(eq('lkjhgfdsa'))
  27   end
  28 end