puppetlabs-stdlib/spec/unit/puppet/parser/functions/downcase_spec.rb

#! /usr/bin/env ruby -S rspec
require 'spec_helper'

describe "the downcase function" do
  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }

  it "should exist" do
    Puppet::Parser::Functions.function("downcase").should == "function_downcase"
  end

  it "should raise a ParseError if there is less than 1 arguments" do
    lambda { scope.function_downcase([]) }.should( raise_error(Puppet::ParseError))
  end

  it "should downcase a string" do
    result = scope.function_downcase(["ASFD"])
    result.should(eq("asfd"))
  end

  it "should do nothing to a string that is already downcase" do
    result = scope.function_downcase(["asdf asdf"])
    result.should(eq("asdf asdf"))
  end
end