require 'spec_helper' describe 'reverse' 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([], 'extra').and_raise_error(Puppet::ParseError, /wrong number of arguments/i) } it { is_expected.to run.with_params(1).and_raise_error(Puppet::ParseError, /Requires either array or string to work/) } it { is_expected.to run.with_params({}).and_raise_error(Puppet::ParseError, /Requires either array or string to work/) } it { is_expected.to run.with_params(true).and_raise_error(Puppet::ParseError, /Requires either array or string to work/) } it { is_expected.to run.with_params([]).and_return([]) } it { is_expected.to run.with_params(['a']).and_return(['a']) } it { is_expected.to run.with_params(['one']).and_return(['one']) } it { is_expected.to run.with_params(['one', 'two', 'three']).and_return(['three', 'two', 'one']) } it { is_expected.to run.with_params(['one', 'two', 'three', 'four']).and_return(['four', 'three', 'two', 'one']) } it { is_expected.to run.with_params('').and_return('') } it { is_expected.to run.with_params('a').and_return('a') } it { is_expected.to run.with_params('abc').and_return('cba') } it { is_expected.to run.with_params('abcd').and_return('dcba') } context 'when using a class extending String' do it 'should call its reverse method' do value = AlsoString.new('asdfghjkl') value.expects(:reverse).returns('foo') expect(subject).to run.with_params(value).and_return('foo') end end end