1 files changed, 71 insertions, 0 deletions
diff --git a/actionpack/test/dispatch/routing_assertions_test.rb b/actionpack/test/dispatch/routing_assertions_test.rb
index e492a56653..a5198f2f13 100644
--- a/actionpack/test/dispatch/routing_assertions_test.rb
+++ b/actionpack/test/dispatch/routing_assertions_test.rb
@@ -1,14 +1,40 @@
 # frozen_string_literal: true
 
 require "abstract_unit"
+require "rails/engine"
 require "controller/fake_controllers"
 
 class SecureArticlesController < ArticlesController; end
 class BlockArticlesController < ArticlesController; end
 class QueryArticlesController < ArticlesController; end
 
+class SecureBooksController < BooksController; end
+class BlockBooksController < BooksController; end
+class QueryBooksController < BooksController; end
+
 class RoutingAssertionsTest < ActionController::TestCase
   def setup
+    engine = Class.new(Rails::Engine) do
+      def self.name
+        "blog_engine"
+      end
+    end
+    engine.routes.draw do
+      resources :books
+
+      scope "secure", constraints: { protocol: "https://" } do
+        resources :books, controller: "secure_books"
+      end
+
+      scope "block", constraints: lambda { |r| r.ssl? } do
+        resources :books, controller: "block_books"
+      end
+
+      scope "query", constraints: lambda { |r| r.params[:use_query] == "true" } do
+        resources :books, controller: "query_books"
+      end
+    end
+
     @routes = ActionDispatch::Routing::RouteSet.new
     @routes.draw do
       resources :articles
@@ -24,6 +50,8 @@ class RoutingAssertionsTest < ActionController::TestCase
       scope "query", constraints: lambda { |r| r.params[:use_query] == "true" } do
         resources :articles, controller: "query_articles"
       end
+
+      mount engine => "/shelf"
     end
   end
 
@@ -83,6 +111,49 @@ class RoutingAssertionsTest < ActionController::TestCase
     assert_match err.message, "This is a really bad msg"
   end
 
+  def test_assert_recognizes_with_engine
+    assert_recognizes({ controller: "books", action: "index" }, "/shelf/books")
+    assert_recognizes({ controller: "books", action: "show", id: "1" }, "/shelf/books/1")
+  end
+
+  def test_assert_recognizes_with_engine_and_extras
+    assert_recognizes({ controller: "books", action: "index", page: "1" }, "/shelf/books", page: "1")
+  end
+
+  def test_assert_recognizes_with_engine_and_method
+    assert_recognizes({ controller: "books", action: "create" }, { path: "/shelf/books", method: :post })
+    assert_recognizes({ controller: "books", action: "update", id: "1" }, { path: "/shelf/books/1", method: :put })
+  end
+
+  def test_assert_recognizes_with_engine_and_hash_constraint
+    assert_raise(Assertion) do
+      assert_recognizes({ controller: "secure_books", action: "index" }, "http://test.host/shelf/secure/books")
+    end
+    assert_recognizes({ controller: "secure_books", action: "index", protocol: "https://" }, "https://test.host/shelf/secure/books")
+  end
+
+  def test_assert_recognizes_with_engine_and_block_constraint
+    assert_raise(Assertion) do
+      assert_recognizes({ controller: "block_books", action: "index" }, "http://test.host/shelf/block/books")
+    end
+    assert_recognizes({ controller: "block_books", action: "index" }, "https://test.host/shelf/block/books")
+  end
+
+  def test_assert_recognizes_with_engine_and_query_constraint
+    assert_raise(Assertion) do
+      assert_recognizes({ controller: "query_books", action: "index", use_query: "false" }, "/shelf/query/books", use_query: "false")
+    end
+    assert_recognizes({ controller: "query_books", action: "index", use_query: "true" }, "/shelf/query/books", use_query: "true")
+  end
+
+  def test_assert_recognizes_raises_message_with_engine
+    err = assert_raise(Assertion) do
+      assert_recognizes({ controller: "secure_books", action: "index" }, "http://test.host/shelf/secure/books", {}, "This is a really bad msg")
+    end
+
+    assert_match err.message, "This is a really bad msg"
+  end
+
   def test_assert_routing
     assert_routing("/articles", controller: "articles", action: "index")
   end