test_pattern.rb

require 'helper'

module Journey
  module Path
    class TestPattern < MiniTest::Unit::TestCase
      x = /.+/
      {
        '/:controller(/:action)'       => %r{\A/(#{x})(?:/([^/.?]+))?\Z},
        '/:controller/foo'             => %r{\A/(#{x})/foo\Z},
        '/:controller/:action'         => %r{\A/(#{x})/([^/.?]+)\Z},
        '/:controller'                 => %r{\A/(#{x})\Z},
        '/:controller(/:action(/:id))' => %r{\A/(#{x})(?:/([^/.?]+)(?:/([^/.?]+))?)?\Z},
        '/:controller/:action.xml'     => %r{\A/(#{x})/([^/.?]+)\.xml\Z},
        '/:controller.:format'         => %r{\A/(#{x})\.([^/.?]+)\Z},
        '/:controller(.:format)'       => %r{\A/(#{x})(?:\.([^/.?]+))?\Z},
        '/:controller/*foo'            => %r{\A/(#{x})/(.+)\Z},
        '/:controller/*foo/bar'        => %r{\A/(#{x})/(.+)/bar\Z},
      }.each do |path, expected|
        define_method(:"test_to_regexp_#{path}") do
          strexp = Router::Strexp.new(
            path,
            { :controller => /.+/ },
            ["/", ".", "?"]
          )
          path = Pattern.new strexp
          assert_equal(expected, path.to_regexp)
        end
      end

      {
        '/:controller(/:action)'       => %r{\A/(#{x})(?:/([^/.?]+))?},
        '/:controller/foo'             => %r{\A/(#{x})/foo},
        '/:controller/:action'         => %r{\A/(#{x})/([^/.?]+)},
        '/:controller'                 => %r{\A/(#{x})},
        '/:controller(/:action(/:id))' => %r{\A/(#{x})(?:/([^/.?]+)(?:/([^/.?]+))?)?},
        '/:controller/:action.xml'     => %r{\A/(#{x})/([^/.?]+)\.xml},
        '/:controller.:format'         => %r{\A/(#{x})\.([^/.?]+)},
        '/:controller(.:format)'       => %r{\A/(#{x})(?:\.([^/.?]+))?},
        '/:controller/*foo'            => %r{\A/(#{x})/(.+)},
        '/:controller/*foo/bar'        => %r{\A/(#{x})/(.+)/bar},
      }.each do |path, expected|
        define_method(:"test_to_non_anchored_regexp_#{path}") do
          strexp = Router::Strexp.new(
            path,
            { :controller => /.+/ },
            ["/", ".", "?"],
            false
          )
          path = Pattern.new strexp
          assert_equal(expected, path.to_regexp)
        end
      end

      {
        '/:controller(/:action)'       => %w{ controller action },
        '/:controller/foo'             => %w{ controller },
        '/:controller/:action'         => %w{ controller action },
        '/:controller'                 => %w{ controller },
        '/:controller(/:action(/:id))' => %w{ controller action id },
        '/:controller/:action.xml'     => %w{ controller action },
        '/:controller.:format'         => %w{ controller format },
        '/:controller(.:format)'       => %w{ controller format },
        '/:controller/*foo'            => %w{ controller foo },
        '/:controller/*foo/bar'        => %w{ controller foo },
      }.each do |path, expected|
        define_method(:"test_names_#{path}") do
          strexp = Router::Strexp.new(
            path,
            { :controller => /.+/ },
            ["/", ".", "?"]
          )
          path = Pattern.new strexp
          assert_equal(expected, path.names)
        end
      end

      def test_to_regexp_with_extended_group
        strexp = Router::Strexp.new(
          '/page/:name',
          { :name => /
            #ROFL
            (tender|love
            #MAO
            )/x },
          ["/", ".", "?"]
        )
        path = Pattern.new strexp
        assert_match(path, '/page/tender')
        assert_match(path, '/page/love')
        refute_match(path, '/page/loving')
      end

      def test_optional_names
        [
          ['/:foo(/:bar(/:baz))', %w{ bar baz }],
          ['/:foo(/:bar)', %w{ bar }],
          ['/:foo(/:bar)/:lol(/:baz)', %w{ bar baz }],
        ].each do |pattern, list|
          path = Pattern.new pattern
          assert_equal list.sort, path.optional_names.sort
        end
      end

      def test_to_regexp_match_non_optional
        strexp = Router::Strexp.new(
          '/:name',
          { :name => /\d+/ },
          ["/", ".", "?"]
        )
        path = Pattern.new strexp
        assert_match(path, '/123')
        refute_match(path, '/')
      end

      def test_to_regexp_with_group
        strexp = Router::Strexp.new(
          '/page/:name',
          { :name => /(tender|love)/ },
          ["/", ".", "?"]
        )
        path = Pattern.new strexp
        assert_match(path, '/page/tender')
        assert_match(path, '/page/love')
        refute_match(path, '/page/loving')
      end

      def test_ast_sets_regular_expressions
        requirements = { :name => /(tender|love)/, :value => /./ }
        strexp = Router::Strexp.new(
          '/page/:name/:value',
          requirements,
          ["/", ".", "?"]
        )

        assert_equal requirements, strexp.requirements

        path = Pattern.new strexp
        nodes = path.ast.grep(Nodes::Symbol)
        assert_equal 2, nodes.length
        nodes.each do |node|
          assert_equal requirements[node.to_sym], node.regexp
        end
      end

      def test_match_data_with_group
        strexp = Router::Strexp.new(
          '/page/:name',
          { :name => /(tender|love)/ },
          ["/", ".", "?"]
        )
        path = Pattern.new strexp
        match = path.match '/page/tender'
        assert_equal 'tender', match[1]
        assert_equal 2, match.length
      end

      def test_match_data_with_multi_group
        strexp = Router::Strexp.new(
          '/page/:name/:id',
          { :name => /t(((ender|love)))()/ },
          ["/", ".", "?"]
        )
        path = Pattern.new strexp
        match = path.match '/page/tender/10'
        assert_equal 'tender', match[1]
        assert_equal '10', match[2]
        assert_equal 3, match.length
        assert_equal %w{ tender 10 }, match.captures
      end

      def test_star_with_custom_re
        z = /\d+/
        strexp = Router::Strexp.new(
          '/page/*foo',
          { :foo => z },
          ["/", ".", "?"]
        )
        path = Pattern.new strexp
        assert_equal(%r{\A/page/(#{z})\Z}, path.to_regexp)
      end

      def test_insensitive_regexp_with_group
        strexp = Router::Strexp.new(
          '/page/:name/aaron',
          { :name => /(tender|love)/i },
          ["/", ".", "?"]
        )
        path = Pattern.new strexp
        assert_match(path, '/page/TENDER/aaron')
        assert_match(path, '/page/loVE/aaron')
        refute_match(path, '/page/loVE/AAron')
      end

      def test_to_regexp_with_strexp
        strexp = Router::Strexp.new('/:controller', { }, ["/", ".", "?"])
        path = Pattern.new strexp
        x = %r{\A/([^/.?]+)\Z}

        assert_equal(x.source, path.source)
      end

      def test_to_regexp_defaults
        path = Pattern.new '/:controller(/:action(/:id))'
        expected = %r{\A/([^/.?]+)(?:/([^/.?]+)(?:/([^/.?]+))?)?\Z}
        assert_equal expected, path.to_regexp
      end

      def test_failed_match
        path = Pattern.new '/:controller(/:action(/:id(.:format)))'
        uri = 'content'

        refute path =~ uri
      end

      def test_match_controller
        path = Pattern.new '/:controller(/:action(/:id(.:format)))'
        uri = '/content'

        match = path =~ uri
        assert_equal %w{ controller action id format }, match.names
        assert_equal 'content', match[1]
        assert_nil match[2]
        assert_nil match[3]
        assert_nil match[4]
      end

      def test_match_controller_action
        path = Pattern.new '/:controller(/:action(/:id(.:format)))'
        uri = '/content/list'

        match = path =~ uri
        assert_equal %w{ controller action id format }, match.names
        assert_equal 'content', match[1]
        assert_equal 'list', match[2]
        assert_nil match[3]
        assert_nil match[4]
      end

      def test_match_controller_action_id
        path = Pattern.new '/:controller(/:action(/:id(.:format)))'
        uri = '/content/list/10'

        match = path =~ uri
        assert_equal %w{ controller action id format }, match.names
        assert_equal 'content', match[1]
        assert_equal 'list', match[2]
        assert_equal '10', match[3]
        assert_nil match[4]
      end

      def test_match_literal
        path = Path::Pattern.new "/books(/:action(.:format))"

        uri = '/books'
        match = path =~ uri
        assert_equal %w{ action format }, match.names
        assert_nil match[1]
        assert_nil match[2]
      end

      def test_match_literal_with_action
        path = Path::Pattern.new "/books(/:action(.:format))"

        uri = '/books/list'
        match = path =~ uri
        assert_equal %w{ action format }, match.names
        assert_equal 'list', match[1]
        assert_nil match[2]
      end

      def test_match_literal_with_action_and_format
        path = Path::Pattern.new "/books(/:action(.:format))"

        uri = '/books/list.rss'
        match = path =~ uri
        assert_equal %w{ action format }, match.names
        assert_equal 'list', match[1]
        assert_equal 'rss', match[2]
      end
    end
  end
end