added test for #269

Author: catmando

Diff for: spec/react/builtin_tags_spec.rb

@@ -0,0 +1,38 @@
+require 'spec_helper'
+
+describe 'Builtin Tags', js: true do
+  it "built in tags render method can be redefined" do
+    mount 'Foo' do
+      class React::Component::Tags::DIV < Hyperloop::Component
+        render do
+          params.opts['data-render-time'] = Time.now
+          present "div", params.opts, &children
+        end
+      end
+      class Foo < Hyperloop::Component
+        render(DIV, id: :tp) do
+          "hello"
+        end
+      end
+    end
+    expect(Time.parse(find('#tp')['data-render-time'])).to be <= Time.now
+  end
+
+  it "built in tags other callbacks can be added" do
+    mount 'Foo' do
+      class React::Component::Tags::DIV < Hyperloop::Component
+        def add_time
+          params.opts['data-render-time'] = Time.now
+        end
+        before_mount :add_time
+        before_update :add_time
+      end
+      class Foo < Hyperloop::Component
+        render(DIV, id: :tp) do
+          "hello"
+        end
+      end
+    end
+    expect(Time.parse(find('#tp')['data-render-time'])).to be <= Time.now
+  end
+end