rspec-puppet-function

myfunction.pp

# functions/myfunction.pp
function mymodule::myfunction(Array[String] $domains) >> Array {

  $result = $domains.map |$domain| {
    {
      "${domain}/.../*" => { 'include' => true }
    }
  }

  $result
}

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myfunction_spec.rb

# spec/functions/myfunction_spec.rb
require 'spec_helper'

describe 'mymodule::myfunction', :type => :puppet_function do
  it 'should return Array' do
    h = subject.execute(['/d1', '/d2'])
    expect(h).to be_a(Array)
  end

  let(:expected_result) do
    [
      { '/d1/.../*' => {
        'include'   => true
        },
      },
      {
        '/d2/.../*' => {
          'include' => true
        }
      }
    ]
  end

  it 'should return proper structure with order respected' do
    h = subject.execute(['/d1', '/d2'])
    expect(h).to eq(expected_result)
  end

  it 'should return empty array when called with empty arg' do
    h = subject.execute([])
    expect(h).to eq([])
  end
end

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