require 'test_helper'

class ConfigurationTest < Test::Unit::TestCase

  def setup
    @empty        = 'test/data/empty_configuration_file.yml'
    @invalid      = 'test/data/invalid_configuration_file.yml'
    @no_domain    = 'test/data/no_domain_configuration_file.yml'
    @no_dump_dir  = 'test/data/no_dump_dir_configuration_file.yml'
    @no_generator = 'test/data/no_generator_configuration_file.yml'
    @no_port      = 'test/data/no_port_configuration_file.yml'
    @no_targets   = 'test/data/no_targets_configuration_file.yml'
    @no_timeout   = 'test/data/no_timeout_configuration_file.yml'
    @gen_n_port   = 'test/data/generator_with_port_configuration_file.yml'
    @gen_n_http   = 'test/data/generator_with_http_configuration_file.yml'
    @valid        = 'test/data/valid_configuration_file.yml'
  end

  # ============================================================================
  # YAML LOADING
  # ============================================================================

  should 'check if configuration file exists' do
    assert_raise(Sitemaps::InvalidConfigurationError) { Sitemaps::Configuration.new('a') }
    assert_raise(Sitemaps::InvalidConfigurationError) { Sitemaps::Configuration.new(nil) }
  end

  should 'load a configuration file' do
    Sitemaps::Configuration.new(@valid)
  end

  # ============================================================================
  # MISSING PARAMETERS
  # ============================================================================

  should 'raise an error when generator is not given' do
    assert_raise(Sitemaps::InvalidConfigurationError) { Sitemaps::Configuration.new(@no_generator) }
  end

  should 'raise an error when generator port is not given' do
    assert_raise(Sitemaps::InvalidConfigurationError) { Sitemaps::Configuration.new(@no_port) }
  end

  should 'raise an error when generator timeout is not given' do
    assert_raise(Sitemaps::InvalidConfigurationError) { Sitemaps::Configuration.new(@no_timeout) }
  end

  should 'raise an error when domain is not given' do
    assert_raise(Sitemaps::InvalidConfigurationError) { Sitemaps::Configuration.new(@no_domain) }
  end

  should 'raise an error when targets is not given' do
    assert_raise(Sitemaps::InvalidConfigurationError) { Sitemaps::Configuration.new(@no_targets) }
  end

  should 'raise an error when dump_dir is not given' do
    assert_raise(Sitemaps::InvalidConfigurationError) { Sitemaps::Configuration.new(@no_dump_dir) }
  end

  # ============================================================================
  # INVALID FORMAT
  # ============================================================================

  should 'raise an error when generator given has port' do
    assert_raise(Sitemaps::InvalidConfigurationError) do
      Sitemaps::Configuration.new(@gen_n_port)
    end
  end

  should 'raise an error when generator given includes "http://" prefixed' do
    assert_raise(Sitemaps::InvalidConfigurationError) do
      Sitemaps::Configuration.new(@gen_n_http)
    end
  end

  # ============================================================================
  # CONFIGURATION ACCESS
  # ============================================================================

  def config
    Sitemaps::Configuration.new(@valid)
  end

  should 'retrive generator' do
    assert_equal 'localhost', config.generator
  end

  should 'retrive generator port' do
    assert_equal 3000, config.generator_port
  end

  should 'retrive ttl' do
    assert_equal 999, config.generator_timeout
  end

  should 'retrive domain' do
    assert_equal 'http://example.com', config.domain
  end

  should 'retrive targets' do
    assert_equal ['/sitemap_for/users.xml'], config.targets
  end

  should 'retrive dump_dir' do
    assert_equal 'sitemaps', config.dump_dir
  end

end