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

   1 #! /usr/bin/env ruby -S rspec
   2 require 'spec_helper'
   3
   4 describe "the difference function" do
   5   let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
   6
   7   it "should exist" do
   8     expect(Puppet::Parser::Functions.function("difference")).to eq("function_difference")
   9   end
  10
  11   it "should raise a ParseError if there are fewer than 2 arguments" do
  12     expect { scope.function_difference([]) }.to( raise_error(Puppet::ParseError) )
  13   end
  14
  15   it "should return the difference between two arrays" do
  16     result = scope.function_difference([["a","b","c"],["b","c","d"]])
  17     expect(result).to(eq(["a"]))
  18   end
  19 end