puppetlabs-stdlib/spec/functions/keys_spec.rb

require 'spec_helper'

describe 'keys' 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 {
    pending("Current implementation ignores parameters after the first.")
    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, /Requires hash to work with/) }
  it { is_expected.to run.with_params(1).and_raise_error(Puppet::ParseError, /Requires hash to work with/) }
  it { is_expected.to run.with_params([]).and_raise_error(Puppet::ParseError, /Requires hash to work with/) }
  it { is_expected.to run.with_params({}).and_return([]) }
  it { is_expected.to run.with_params({ 'key' => 'value' }).and_return(['key']) }
  it 'should return the array of keys' do
    result = subject.call([{ 'key1' => 'value1', 'key2' => 'value2' }])
    expect(result).to match_array(['key1', 'key2'])
  end
end