require 'simp/local_gpg_signing_key'
require 'spec_helper'
require 'fileutils'
require 'tmpdir'

describe Simp::LocalGpgSigningKey do
  include FileUtils

  before :all do
    TMP_DIR     = Dir.mktmpdir('spec_test__simp_local_gpg_signing_key')
    TMP_DEV_DIR = File.join(TMP_DIR, 'dev')
    OPTS        = {verbose: ENV['VERBOSE'].to_s =~ /^(yes|true)$/ }

    mkdir_p TMP_DIR

    # Be a good citizen and preserve pre-existing agent variables
    ORIGINAL_GPG_AGENT_INFO = ENV['GPG_AGENT_INFO']
  end

  after :all do
    rm_rf TMP_DIR

    # Be a good citizen and preserve pre-existing agent variables
    ENV['GPG_AGENT_INFO'] = ORIGINAL_GPG_AGENT_INFO
  end

  shared_examples_for 'it just generated a local gpg signing key' do
    it 'creates a local gpg-agent' do
      expect(agent_info.reject{|x| x.nil?}.keys).to include(:info, :socket, :pid)
    end

    it 'had a gpg-agent socket' do
      socket = agent_info[:socket]
      expect(File.absolute_path(socket.to_s)).to eq socket.to_s
    end

    it 'has killed the local gpg-agent' do
      expect(File.exist?(agent_info[:socket])).to be false
    end
  end


  shared_examples_for 'a valid gpg signing key environment' do
    it 'has a local GPG signing key' do
      Dir.chdir(TMP_DEV_DIR) { expect(Dir['*']).to include('RPM-GPG-KEY-SIMP-Dev') }
    end

    it 'has a populated a gpg-agent directory' do
      Dir.chdir(TMP_DEV_DIR) do |_dir|
        expect(Dir['*'].sort).to include(
          'gengpgkey',
          'pubring.gpg',
        )
      end
    end
  end

  shared_examples_for 'it encountered an unexpired local gpg signing key' do
    it 'reuses an unexpired local gpg signing key' do
      expect{described_class.new(TMP_DEV_DIR,OPTS).ensure_key}.to output(
        /^GPG key \(gatekeeper@simp\.development\.key\) will expire in 14 days\./
      ).to_stdout
    end

    it 'reuses an unexpired local gpg signing key' do
      expect{described_class.new(TMP_DEV_DIR,OPTS).ensure_key}.to output(
        /^GPG key \(gatekeeper@simp\.development\.key\) will expire in 14 days\./
      ).to_stdout
    end
  end

  context '#ensure_key' do
    before :all do
      rm_rf   TMP_DEV_DIR
      ENV['GPG_AGENT_INFO'] = nil
    end

    context 'when run from scratch' do
      before :all do
        FIRST_RUN_AGENT_INFO  = described_class.new(TMP_DEV_DIR,OPTS).ensure_key
      end
      let(:agent_info){ FIRST_RUN_AGENT_INFO }
      it_behaves_like 'it just generated a local gpg signing key'
      it_behaves_like 'a valid gpg signing key environment'
    end

    context 'when run again' do
      before :all do
        SECOND_RUN_AGENT_INFO = described_class.new(TMP_DEV_DIR,OPTS).ensure_key
      end
      let(:agent_info){ SECOND_RUN_AGENT_INFO }
      it_behaves_like 'it encountered an unexpired local gpg signing key'
      it_behaves_like 'a valid gpg signing key environment'
    end
  end
end