require 'helper'

class TestConfiguration < Test::Unit::TestCase
  context "#stringify_keys" do
    setup do
      @mixed_keys = Configuration[{
        'markdown' => 'maruku',
        :permalink => 'date',
        'baseurl'  => '/',
        :include   => ['.htaccess'],
        :source    => './'
      }]
      @string_keys = Configuration[{
        'markdown'  => 'maruku',
        'permalink' => 'date',
        'baseurl'   => '/',
        'include'   => ['.htaccess'],
        'source'    => './'
      }]
    end
    should "stringify symbol keys" do
      assert_equal @string_keys, @mixed_keys.stringify_keys
    end
    should "not mess with keys already strings" do
      assert_equal @string_keys, @string_keys.stringify_keys
    end
  end
  context "#config_files" do
    setup do
      @config = Configuration[{"source" => source_dir}]
      @no_override     = {}
      @one_config_file = {"config" => "config.yml"}
      @multiple_files  = {"config" => %w[config/site.yml config/deploy.yml configuration.yml]}
    end

    should "always return an array" do
      assert @config.config_files(@no_override).is_a?(Array)
      assert @config.config_files(@one_config_file).is_a?(Array)
      assert @config.config_files(@multiple_files).is_a?(Array)
    end
    should "return the default config path if no config files are specified" do
      assert_equal [File.join(source_dir, "_config.yml")], @config.config_files(@no_override)
    end
    should "return the config if given one config file" do
      assert_equal %w[config.yml], @config.config_files(@one_config_file)
    end
    should "return an array of the config files if given many config files" do
      assert_equal %w[config/site.yml config/deploy.yml configuration.yml], @config.config_files(@multiple_files)
    end
  end
  context "#backwards_compatibilize" do
    setup do
      @config = Configuration[{
        "auto" => true,
        "watch" => true,
        "server" => true
      }]
    end
    should "unset 'auto' and 'watch'" do
      assert @config.has_key?("auto")
      assert @config.has_key?("watch")
      assert !@config.backwards_compatibilize.has_key?("auto")
      assert !@config.backwards_compatibilize.has_key?("watch")
    end
    should "unset 'server'" do
      assert @config.has_key?("server")
      assert !@config.backwards_compatibilize.has_key?("server")
    end
  end
  context "loading configuration" do
    setup do
      @path = File.join(Dir.pwd, '_config.yml')
    end

    should "fire warning with no _config.yml" do
      mock(YAML).safe_load_file(@path) { raise SystemCallError, "No such file or directory - #{@path}" }
      mock($stderr).puts("Configuration file: none".yellow)
      assert_equal Jekyll::Configuration::DEFAULTS, Jekyll.configuration({})
    end

    should "load configuration as hash" do
      mock(YAML).safe_load_file(@path) { Hash.new }
      mock($stdout).puts("Configuration file: #{@path}")
      assert_equal Jekyll::Configuration::DEFAULTS, Jekyll.configuration({})
    end

    should "fire warning with bad config" do
      mock(YAML).safe_load_file(@path) { Array.new }
      mock($stderr).puts(("WARNING: ".rjust(20) + "Error reading configuration. Using defaults (and options).").yellow)
      mock($stderr).puts("Configuration file: (INVALID) #{@path}".yellow)
      assert_equal Jekyll::Configuration::DEFAULTS, Jekyll.configuration({})
    end
  end
  context "loading config from external file" do
    setup do
      @paths = {
        :default => File.join(Dir.pwd, '_config.yml'),
        :other   => File.join(Dir.pwd, '_config.live.yml'),
        :empty   => ""
      }
    end

    should "load default config if no config_file is set" do
      mock(YAML).safe_load_file(@paths[:default]) { Hash.new }
      mock($stdout).puts("Configuration file: #{@paths[:default]}")
      assert_equal Jekyll::Configuration::DEFAULTS, Jekyll.configuration({})
    end

    should "load different config if specified" do
      mock(YAML).safe_load_file(@paths[:other]) { {"baseurl" => "http://wahoo.dev"} }
      mock($stdout).puts("Configuration file: #{@paths[:other]}")
      assert_equal Jekyll::Configuration::DEFAULTS.deep_merge({ "baseurl" => "http://wahoo.dev" }), Jekyll.configuration({ "config" => @paths[:other] })
    end

    should "load default config if path passed is empty" do
      mock(YAML).safe_load_file(@paths[:default]) { Hash.new }
      mock($stdout).puts("Configuration file: #{@paths[:default]}")
      assert_equal Jekyll::Configuration::DEFAULTS, Jekyll.configuration({ "config" => @paths[:empty] })
    end

    should "load multiple config files" do
      mock(YAML).safe_load_file(@paths[:default]) { Hash.new }
      mock(YAML).safe_load_file(@paths[:other]) { Hash.new }
      mock($stdout).puts("Configuration file: #{@paths[:default]}")
      mock($stdout).puts("Configuration file: #{@paths[:other]}")
      assert_equal Jekyll::Configuration::DEFAULTS, Jekyll.configuration({ "config" => [@paths[:default], @paths[:other]] })
    end

    should "load multiple config files and last config should win" do
      mock(YAML).safe_load_file(@paths[:default]) { {"baseurl" => "http://example.dev"} }
      mock(YAML).safe_load_file(@paths[:other]) { {"baseurl" => "http://wahoo.dev"} }
      mock($stdout).puts("Configuration file: #{@paths[:default]}")
      mock($stdout).puts("Configuration file: #{@paths[:other]}")
      assert_equal Jekyll::Configuration::DEFAULTS.deep_merge({ "baseurl" => "http://wahoo.dev" }), Jekyll.configuration({ "config" => [@paths[:default], @paths[:other]] })
    end
  end
end