require 'helper'

class TestTheme < JekyllUnitTest
  def setup
    @theme = Theme.new('test-theme')
    @expected_root = File.expand_path "./fixtures/test-theme", File.dirname(__FILE__)
  end

  context "initializing" do
    should "normalize the theme name" do
      theme = Theme.new(' Test-Theme ')
      assert_equal "test-theme", theme.name
    end

    should "know the theme root" do
      assert_equal @expected_root, @theme.root
    end

    should "know the theme version" do
      assert_equal Gem::Version.new("0.1.0"), @theme.version
    end

    should "raise an error for invalid themes" do
      assert_raises Jekyll::Errors::MissingDependencyException do
        Theme.new("foo")
      end
    end
  end

  context "path generation" do
    [:assets, :layouts, :includes, :sass].each do |folder|
      should "know the #{folder} path" do
        if folder == :assets
          expected = File.expand_path(folder.to_s, @expected_root)
        else
          expected = File.expand_path("_#{folder}", @expected_root)
        end
        assert_equal expected, @theme.public_send("#{folder}_path")
      end
    end

    should "generate folder paths" do
      expected = File.expand_path("./assets", @expected_root)
      assert_equal expected, @theme.send(:path_for, :assets)
    end

    should "not allow paths outside of the theme root" do
      assert_equal nil, @theme.send(:path_for, "../../source")
    end

    should "return nil for paths that don't exist" do
      assert_equal nil, @theme.send(:path_for, "foo")
    end
  end

  should "retrieve the gemspec" do
    assert_equal "test-theme-0.1.0", @theme.send(:gemspec).full_name
  end
end