code/environments/production/modules/stdlib/spec/functions/unique_spec.rb


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require 'spec_helper'

describe 'unique' do
  if Puppet.version.to_f < 5.0
    describe 'signature validation' do
      it { is_expected.not_to eq(nil) }
      it { is_expected.to run.with_params.and_raise_error(Puppet::ParseError, %r{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, %r{wrong number of arguments}i)
      }
      it { is_expected.to run.with_params({}).and_raise_error(Puppet::ParseError, %r{Requires either array or string to work}) }
      it { is_expected.to run.with_params(1).and_raise_error(Puppet::ParseError, %r{Requires either array or string to work}) }
      it { is_expected.to run.with_params(true).and_raise_error(Puppet::ParseError, %r{Requires either array or string to work}) }
    end

    context 'when called with an array' do
      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(%w[a b a]).and_return(%w[a b]) }
      it { is_expected.to run.with_params(%w[ã ъ ã]).and_return(%w[ã ъ]) }
    end

    context 'when called with a string' do
      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('aaba').and_return('ab') }
      it { is_expected.to run.with_params('ããъã').and_return('ãъ') }
    end
  end
end