require "abstract_unit"

module ActionDispatch
  module Journey
    module Definition
      class TestParser < ActiveSupport::TestCase
        def setup
          @parser = Parser.new
        end

        def test_slash
          assert_equal :SLASH, @parser.parse("/").type
          assert_round_trip "/"
        end

        def test_segment
          assert_round_trip "/foo"
        end

        def test_segments
          assert_round_trip "/foo/bar"
        end

        def test_segment_symbol
          assert_round_trip "/foo/:id"
        end

        def test_symbol
          assert_round_trip "/:foo"
        end

        def test_group
          assert_round_trip "(/:foo)"
        end

        def test_groups
          assert_round_trip "(/:foo)(/:bar)"
        end

        def test_nested_groups
          assert_round_trip "(/:foo(/:bar))"
        end

        def test_dot_symbol
          assert_round_trip(".:format")
        end

        def test_dot_literal
          assert_round_trip(".xml")
        end

        def test_segment_dot
          assert_round_trip("/foo.:bar")
        end

        def test_segment_group_dot
          assert_round_trip("/foo(.:bar)")
        end

        def test_segment_group
          assert_round_trip("/foo(/:action)")
        end

        def test_segment_groups
          assert_round_trip("/foo(/:action)(/:bar)")
        end

        def test_segment_nested_groups
          assert_round_trip("/foo(/:action(/:bar))")
        end

        def test_group_followed_by_path
          assert_round_trip("/foo(/:action)/:bar")
        end

        def test_star
          assert_round_trip("*foo")
          assert_round_trip("/*foo")
          assert_round_trip("/bar/*foo")
          assert_round_trip("/bar/(*foo)")
        end

        def test_or
          assert_round_trip("a|b")
          assert_round_trip("a|b|c")
          assert_round_trip("(a|b)|c")
          assert_round_trip("a|(b|c)")
          assert_round_trip("*a|(b|c)")
          assert_round_trip("*a|:b|c")
        end

        def test_arbitrary
          assert_round_trip("/bar/*foo#")
        end

        def test_literal_dot_paren
          assert_round_trip "/sprockets.js(.:format)"
        end

        def test_groups_with_dot
          assert_round_trip "/(:locale)(.:format)"
        end

        def assert_round_trip(str)
          assert_equal str, @parser.parse(str).to_s
        end
      end
    end
  end
end
