1 files changed, 113 insertions, 0 deletions
diff --git a/actionpack/test/journey/route_test.rb b/actionpack/test/journey/route_test.rb
new file mode 100644
index 0000000000..a8bf4a11e2
--- /dev/null
+++ b/actionpack/test/journey/route_test.rb
@@ -0,0 +1,113 @@
+# frozen_string_literal: true
+
+require "abstract_unit"
+
+module ActionDispatch
+  module Journey
+    class TestRoute < ActiveSupport::TestCase
+      def test_initialize
+        app      = Object.new
+        path     = Path::Pattern.from_string "/:controller(/:action(/:id(.:format)))"
+        defaults = {}
+        route    = Route.build("name", app, path, {}, [], defaults)
+
+        assert_equal app, route.app
+        assert_equal path, route.path
+        assert_same  defaults, route.defaults
+      end
+
+      def test_route_adds_itself_as_memo
+        app      = Object.new
+        path     = Path::Pattern.from_string "/:controller(/:action(/:id(.:format)))"
+        defaults = {}
+        route    = Route.build("name", app, path, {}, [], defaults)
+
+        route.ast.grep(Nodes::Terminal).each do |node|
+          assert_equal route, node.memo
+        end
+      end
+
+      def test_path_requirements_override_defaults
+        path = Path::Pattern.build(":name", { name: /love/ }, "/", true)
+        defaults  = { name: "tender" }
+        route     = Route.build("name", nil, path, {}, [], defaults)
+        assert_equal(/love/, route.requirements[:name])
+      end
+
+      def test_ip_address
+        path  = Path::Pattern.from_string "/messages/:id(.:format)"
+        route = Route.build("name", nil, path, { ip: "192.168.1.1" }, [],
+                          controller: "foo", action: "bar")
+        assert_equal "192.168.1.1", route.ip
+      end
+
+      def test_default_ip
+        path  = Path::Pattern.from_string "/messages/:id(.:format)"
+        route = Route.build("name", nil, path, {}, [],
+                          controller: "foo", action: "bar")
+        assert_equal(//, route.ip)
+      end
+
+      def test_format_with_star
+        path  = Path::Pattern.from_string "/:controller/*extra"
+        route = Route.build("name", nil, path, {}, [],
+                          controller: "foo", action: "bar")
+        assert_equal "/foo/himom", route.format(
+          controller: "foo",
+          extra: "himom")
+      end
+
+      def test_connects_all_match
+        path  = Path::Pattern.from_string "/:controller(/:action(/:id(.:format)))"
+        route = Route.build("name", nil, path, { action: "bar" }, [], controller: "foo")
+
+        assert_equal "/foo/bar/10", route.format(
+          controller: "foo",
+          action: "bar",
+          id: 10)
+      end
+
+      def test_extras_are_not_included_if_optional
+        path  = Path::Pattern.from_string "/page/:id(/:action)"
+        route = Route.build("name", nil, path, {}, [], action: "show")
+
+        assert_equal "/page/10", route.format(id: 10)
+      end
+
+      def test_extras_are_not_included_if_optional_with_parameter
+        path  = Path::Pattern.from_string "(/sections/:section)/pages/:id"
+        route = Route.build("name", nil, path, {}, [], action: "show")
+
+        assert_equal "/pages/10", route.format(id: 10)
+      end
+
+      def test_extras_are_not_included_if_optional_parameter_is_nil
+        path  = Path::Pattern.from_string "(/sections/:section)/pages/:id"
+        route = Route.build("name", nil, path, {}, [], action: "show")
+
+        assert_equal "/pages/10", route.format(id: 10, section: nil)
+      end
+
+      def test_score
+        constraints = {}
+        defaults = { controller: "pages", action: "show" }
+
+        path = Path::Pattern.from_string "/page/:id(/:action)(.:format)"
+        specific = Route.build "name", nil, path, constraints, [:controller, :action], defaults
+
+        path = Path::Pattern.from_string "/:controller(/:action(/:id))(.:format)"
+        generic = Route.build "name", nil, path, constraints, [], {}
+
+        knowledge = { "id" => true, "controller" => true, "action" => true }
+
+        routes = [specific, generic]
+
+        assert_not_equal specific.score(knowledge), generic.score(knowledge)
+
+        found = routes.sort_by { |r| r.score(knowledge) }.last
+
+        assert_equal specific, found
+      end
+    end
+  end
+end