require 'spec_helper'

require 'puppet/ssl/certificate_request_attributes'

describe Puppet::SSL::CertificateRequestAttributes do

  let(:expected) do
    {
      "custom_attributes" => {
        "1.3.6.1.4.1.34380.2.2"=>[3232235521, 3232235777], # system IPs in hex
        "1.3.6.1.4.1.34380.2.0"=>"hostname.domain.com",
      }
    }
  end
  let(:csr_attributes_hash) { expected.dup }
  let(:csr_attributes_path) { '/some/where/csr_attributes.yaml' }
  let(:csr_attributes) { Puppet::SSL::CertificateRequestAttributes.new(csr_attributes_path) }

  it "initializes with a path" do
    expect(csr_attributes.path).to eq(csr_attributes_path)
  end

  describe "loading" do
    it "returns nil when loading from a non-existent file" do
      expect(csr_attributes.load).to be_falsey
    end

    context "with an available attributes file" do
      before do
        Puppet::FileSystem.expects(:exist?).with(csr_attributes_path).returns(true)
        Puppet::Util::Yaml.expects(:load_file).with(csr_attributes_path, {}).returns(csr_attributes_hash)
      end

      it "loads csr attributes from a file when the file is present" do
        expect(csr_attributes.load).to be_truthy
      end

      it "exposes custom_attributes" do
        csr_attributes.load
        expect(csr_attributes.custom_attributes).to eq(expected['custom_attributes'])
      end

      it "returns an empty hash if custom_attributes points to nil" do
        csr_attributes_hash["custom_attributes"] = nil
        csr_attributes.load
        expect(csr_attributes.custom_attributes).to eq({})
      end

      it "returns an empty hash if custom_attributes key is not present" do
        csr_attributes_hash.delete("custom_attributes")
        csr_attributes.load
        expect(csr_attributes.custom_attributes).to eq({})
      end

      it "raise a Puppet::Error if an unexpected root key is defined" do
        csr_attributes_hash['unintentional'] = 'data'
        expect { csr_attributes.load }.to raise_error(Puppet::Error, /unexpected attributes.*unintentional/)
      end
    end
  end
end