inspec/test/unit/cached_fetcher.rb

require 'helper'

describe Inspec::CachedFetcher do
  describe 'when original fetcher is Compliance::Fetcher' do
    let(:profiles_result) do
      [{ 'name'=>'ssh-baseline',
          'title'=>'InSpec Profile',
          'maintainer'=>'The Authors',
          'copyright'=>'The Authors',
          'copyright_email'=>'you@example.com',
          'license'=>'Apache-2.0',
          'summary'=>'An InSpec Compliance Profile',
          'version'=>'0.1.1',
          'owner'=>'admin',
          'supports'=>[],
          'depends'=>[],
          'sha256'=>'132j1kjdasfasdoaefaewo12312',
          'groups'=>[],
          'controls'=>[],
          'inputs'=>[],
          'latest_version'=>'' }]
    end
    before do
      Compliance::Configuration.expects(:new).returns({ 'token' => '123abc', 'server' => 'https://a2.instance.com' })
    end

    it 'downloads the profile from the compliance service when sha256 not in the cache' do
      prof = profiles_result[0]
      Compliance::API.stubs(:profiles).returns(['success', profiles_result])
      cache = Inspec::Cache.new
      entry_path = cache.base_path_for(prof['sha256'])
      mock_fetch = Minitest::Mock.new
      mock_fetch.expect :call, "#{entry_path}.tar.gz", [entry_path]
      cf = Inspec::CachedFetcher.new("compliance://#{prof['owner']}/#{prof['name']}", cache)
      cache.stubs(:exists?).with(prof['sha256']).returns(false)
      cf.fetcher.stub(:fetch, mock_fetch) do
        cf.fetch
      end
      mock_fetch.verify
    end

    it 'does not download the profile when the sha256 exists in the inspec cache' do
      prof = profiles_result[0]
      Compliance::API.stubs(:profiles).returns(['success', profiles_result])
      cache = Inspec::Cache.new
      entry_path = cache.base_path_for(prof['sha256'])
      mock_prefered_entry_for = Minitest::Mock.new
      mock_prefered_entry_for.expect :call, entry_path, [prof['sha256']]
      cf = Inspec::CachedFetcher.new("compliance://#{prof['owner']}/#{prof['name']}", cache)
      cache.stubs(:exists?).with(prof['sha256']).returns(true)
      cache.stub(:prefered_entry_for, mock_prefered_entry_for) do
        cf.fetch
      end
      mock_prefered_entry_for.verify
    end
  end
end