Change filter on /rails/info/routes to use an actual path regexp from rails

Change filter on /rails/info/routes to use an actual path regexp from rails
and not approximate javascript version. Oniguruma supports much more
extensive list of features than javascript regexp engine.

Fixes #18402.

1 files changed, 25 insertions, 0 deletions

diff --git a/railties/test/rails_info_controller_test.rb b/railties/test/rails_info_controller_test.rb
index 25b0e761cb..d87b51d852 100644
--- a/railties/test/rails_info_controller_test.rb
+++ b/railties/test/rails_info_controller_test.rb
@@ -53,4 +53,29 @@ class InfoControllerTest < ActionController::TestCase
     assert_response :success
   end
 
+  test "info controller returns exact matches" do
+    exact_count = -> { JSON(response.body)['exact'].size }
+
+    get :routes, path: 'rails/info/route'
+    assert exact_count.call == 0, 'should not match incomplete routes'
+
+    get :routes, path: 'rails/info/routes'
+    assert exact_count.call == 1, 'should match complete routes'
+    
+    get :routes, path: 'rails/info/routes.html'
+    assert exact_count.call == 1, 'should match complete routes with optional parts'
+  end
+
+  test "info controller returns fuzzy matches" do
+    fuzzy_count = -> { JSON(response.body)['fuzzy'].size }
+
+    get :routes, path: 'rails/info'
+    assert fuzzy_count.call == 2, 'should match incomplete routes'
+
+    get :routes, path: 'rails/info/routes'
+    assert fuzzy_count.call == 1, 'should match complete routes'
+    
+    get :routes, path: 'rails/info/routes.html'
+    assert fuzzy_count.call == 0, 'should match optional parts of route literally'
+  end
 end