require 'spec_helper' if Puppet::Util::Package.versioncmp(Puppet.version, '4.5.0') >= 0 describe 'test::string', type: :class do describe 'accepts strings' do [ '', 'one', nil, ].each do |value| describe value.inspect do let(:params) {{ value: value }} it { is_expected.to compile } end end end describe 'rejects other values' do [ [], {}, 1, true, ].each do |value| describe value.inspect do let(:params) {{ value: value }} it { is_expected.to compile.and_raise_error(/parameter 'value' expects a (?:value of type Undef or )?String/) } end end end end end