1 files changed, 56 insertions, 0 deletions
diff --git a/railties/test/application/load_test.rb b/railties/test/application/load_test.rb
new file mode 100644
index 0000000000..6dda47bb8f
--- /dev/null
+++ b/railties/test/application/load_test.rb
@@ -0,0 +1,56 @@
+require "isolation/abstract_unit"
+require "rails"
+require "rack"
+
+module ApplicationTests
+  class LoadTest < Test::Unit::TestCase
+    include ActiveSupport::Testing::Isolation
+
+    def setup
+      build_app
+    end
+
+    test "rails app is present" do
+      assert File.exist?(app_path("config"))
+    end
+
+    test "running Rails::Application.load on the path returns a (vaguely) useful application" do
+      @app = Rails::Application.load app_path
+      assert_welcome get("/")
+    end
+
+    test "config.ru is used" do
+      app_file "config.ru", <<-CONFIG
+        class MyMiddleware
+          def initialize(app)
+            @app = app
+          end
+
+          def call(env)
+            status, headers, body = @app.call(env)
+            headers["Config-Ru-Test"] = "TESTING"
+            [status, headers, body]
+          end
+        end
+
+        use MyMiddleware
+        run proc {|env| [200, {"Content-Type" => "text/html"}, ["VICTORY"]] }
+      CONFIG
+
+      @app = Rails::Application.load app_path, :config => "config.ru"
+
+      assert_body    "VICTORY", get("/omg")
+      assert_header  "Config-Ru-Test", "TESTING", get("/omg")
+    end
+
+    test "arbitrary.rb can be used as a config" do
+      app_file "myapp.rb", <<-CONFIG
+        Myapp = proc {|env| [200, {"Content-Type" => "text/html"}, ["OMG ROBOTS"]] }
+      CONFIG
+
+      @app = Rails::Application.load app_path, :config => "myapp.rb"
+
+      assert_body "OMG ROBOTS", get("/omg")
+    end
+  end
+end