# Generators register themself on the CLI module
require "./lib/roger/resolver.rb"
require "test/unit"

module Roger
  # Test Roger resolver
  class ResolverTest < ::Test::Unit::TestCase
    def setup
      @base = Pathname.new(File.dirname(__FILE__) + "/../project/html")
      @resolver = Roger::Resolver.new(@base)
    end

    def test_find_template_path
      assert_equal @resolver.find_template("formats/index.html"), @base + "formats/index.html"

      # This should not be found on it's own as it will be processed
      assert_equal @resolver.find_template("formats/markdown.md"), nil
    end

    def test_find_template_index_path
      assert_equal @resolver.find_template("formats"), @base + "formats/index.html"
    end

    def test_find_template_html_without_extension
      assert_equal @resolver.find_template("formats/index"), @base + "formats/index.html"
      assert_equal @resolver.find_template("formats/erb"), @base + "formats/erb.html.erb"
    end

    def test_find_template_with_template_extension
      assert_equal @resolver.find_template("formats/markdown"), @base + "formats/markdown.md"
    end

    def test_find_template_with_double_extensions
      assert_equal @resolver.find_template("formats/erb"), @base + "formats/erb.html.erb"
      assert_equal @resolver.find_template("formats/erb.html"), @base + "formats/erb.html.erb"

      assert_equal @resolver.find_template("formats/json.json"), @base + "formats/json.json.erb"
    end

    def test_find_template_with_preferred_extension
      assert_equal(
        @resolver.find_template("formats/json", preferred_extension: "json"),
        @base + "formats/json.json.erb"
      )
    end

    def test_find_template_exact_match
      # TODO
    end

    def test_path_to_url
      assert_equal @resolver.path_to_url(@base + "formats/erb.html.erb"), "/formats/erb.html.erb"
    end

    def test_path_to_url_relative_to_relative_path
      assert_equal(
        @resolver.path_to_url(@base + "formats/erb.html.erb", "../front_matter/erb.html.erb"),
        "../formats/erb.html.erb"
      )
    end

    def test_path_to_url_relative_to_absolute_path
      assert_equal(
        @resolver.path_to_url(
          @base + "formats/erb.html.erb",
          @base.realpath + "front_matter/erb.html.erb"
        ),
        "../formats/erb.html.erb"
      )
    end
  end

  # Test resolver with multiple load paths
  class ResolverMultipleTest < ::Test::Unit::TestCase
    def setup
      @base = Pathname.new(File.dirname(__FILE__) + "/../project")
      @resolver = Roger::Resolver.new([@base + "html", @base + "partials"])
    end

    def test_add_load_path
      @resolver.load_paths << @base + "henk"

      assert_equal @resolver.load_paths, [@base + "html", @base + "partials", @base + "henk"]
    end

    def test_find_template_path
      assert_equal @resolver.find_template("formats/index"), @base + "html/formats/index.html"
      assert_equal @resolver.find_template("test/simple"), @base + "partials/test/simple.html.erb"
    end

    def test_find_template_path_ordered
      assert_equal @resolver.find_template("formats/erb"), @base + "html/formats/erb.html.erb"

      @resolver.load_paths.reverse!

      assert_equal @resolver.find_template("formats/erb"), @base + "partials/formats/erb.html.erb"
    end
  end
end