puppetlabs-stdlib/spec/functions/upcase_spec.rb

require 'spec_helper'

describe 'upcase' do
  describe 'signature validation' do
    it { is_expected.not_to eq(nil) }
    it { is_expected.to run.with_params().and_raise_error(Puppet::ParseError, /wrong number of arguments/i) }
    it { is_expected.to run.with_params('', '').and_raise_error(Puppet::ParseError, /wrong number of arguments/i) }
    it { is_expected.to run.with_params(1).and_raise_error(Puppet::ParseError, /Requires an array, hash or object that responds to upcase/) }
    it { is_expected.to run.with_params([1]).and_raise_error(Puppet::ParseError, /Requires an array, hash or object that responds to upcase/) }
  end

  describe 'normal string handling' do
    it { is_expected.to run.with_params("abc").and_return("ABC") }
    it { is_expected.to run.with_params("Abc").and_return("ABC") }
    it { is_expected.to run.with_params("ABC").and_return("ABC") }
  end

  describe 'handling classes derived from String' do
    it { is_expected.to run.with_params(AlsoString.new("ABC")).and_return("ABC") }
  end

  describe 'strings in arrays handling' do
    it { is_expected.to run.with_params([]).and_return([]) }
    it { is_expected.to run.with_params(["One", "twO"]).and_return(["ONE", "TWO"]) }
  end
end