spec/integration/rack_app/middleware_spec.rb in hanami-2.0.0.beta3 vs spec/integration/rack_app/middleware_spec.rb in hanami-2.0.0.beta4

@@ -204,6 +204,34 @@
     get "/"
 
     expect(last_response).to be_successful
     expect(last_response.body).to eql("yes")
   end
+
+  context "Using module as a middleware" do
+    it "sets the module as the middleware" do
+      mod = Module.new
+      app = Class.new(Hanami::App) { config.middleware.use(mod) }
+
+      expect(app.config.middleware.stack["/"][0]).to include(mod)
+    end
+  end
+
+  context "Setting an unsupported middleware" do
+    it "raises meaningful error when an unsupported middleware spec was passed" do
+      expect {
+        Class.new(Hanami::App) do
+          config.middleware.use("oops")
+        end
+      }.to raise_error(Hanami::UnsupportedMiddlewareSpecError)
+    end
+
+    it "raises meaningful error when corresponding file failed to load" do
+      expect {
+        Class.new(Hanami::App) do
+          config.middleware.namespaces.delete(Hanami::Middleware)
+          config.middleware.use(:body_parser)
+        end
+      }.to raise_error(Hanami::UnsupportedMiddlewareSpecError)
+    end
+  end
 end