# encoding: utf-8
require 'spec_helper'

describe LocalPac::Config do
  let(:config_file) { create_file('config_.yaml') }

  context '#initialize' do
    it 'requires a file name' do
      LocalPac::Config.new(config_file)
    end
  end

  context '#pid_file' do
    it 'returns value of config file' do
      config_file = create_file 'config.yaml', <<-EOS.strip_heredoc
      ---
      :pid_file: '/asdf/pid'
      EOS

      config = LocalPac::Config.new(config_file)
      expect(config.pid_file).to eq('/asdf/pid')
    end

    it 'returns default value if no config file is available' do
      config = LocalPac::Config.new(config_file)
      file = ::File.join(ENV['HOME'], '.local', 'share', 'local_pac', 'run', 'pid')

      expect(config.pid_file).to eq(file)
    end
  end

  context '#local_storage' do
    it 'returns value of config file' do
      config_file = create_file 'config.yaml', <<-EOS.strip_heredoc
      ---
      :local_storage: '/asdf/storage.git'
      EOS

      config = LocalPac::Config.new(config_file)
      expect(config.local_storage).to eq('/asdf/storage.git')
    end

    it 'returns default value if no config file is available' do
      config = LocalPac::Config.new(config_file)
      file = ::File.join(ENV['HOME'], '.local', 'share', 'local_pac', 'data', 'storage.git')

      expect(config.local_storage).to eq(file)
    end
  end

  context '#access_log' do
    it 'returns value of config file' do
      config_file = create_file 'config.yaml', <<-EOS.strip_heredoc
      ---
      :access_log: '/asdf/log/access.log'
      EOS

      config = LocalPac::Config.new(config_file)
      expect(config.access_log).to eq('/asdf/log/access.log')
    end

    it 'returns default value if no config file is available' do
      config = LocalPac::Config.new(config_file)
      file = ::File.join(ENV['HOME'], '.local', 'share', 'local_pac', 'log', 'access.log')

      expect(config.access_log).to eq(file)
    end
  end

  context 'executable' do
    it 'returns value of config file' do
      config_file = create_file 'config.yaml', <<-EOS.strip_heredoc
      ---
      :executable: '/asdf/bin/local_pac'
      EOS

      config = LocalPac::Config.new(config_file)
      expect(config.executable).to eq('/asdf/bin/local_pac')
    end

    it 'returns default value if no config file is available' do
      config = LocalPac::Config.new(config_file)
      file = ::File.expand_path('../../bin/local_pac', __FILE__)

      expect(config.executable).to eq(file)
    end
  end

  context 'gem_path' do
    it 'returns value of gem installation path file' do
      config_file = create_file 'config.yaml', <<-EOS.strip_heredoc
      ---
      :gem_path: '/asdf/bin/local_pac'
      EOS

      config = LocalPac::Config.new(config_file)
      expect(config.gem_path).to eq('/asdf/bin/local_pac')
    end

    it 'returns default value if no config file is available' do
      config = LocalPac::Config.new(config_file)

      expect(config.gem_path).to eq(Gem.path)
    end
  end

  context '#to_s' do
    it 'outputs a nice config overview' do
      config = LocalPac::Config.new(config_file)
      expect(config.to_s).to include ::File.join('.local', 'share', 'local_pac', 'run', 'pid')
    end
  end

  context '#lock' do
    it 'raises and exception if changed afterward' do
      config = LocalPac::Config.new(config_file)
      config.lock

      expect {
        config.local_storage = 'asdf'
      }.to raise_error RuntimeError
    end
  end
end