Add data-default-select attribute to existing body element

dirkjonker · dirkjonker · commit cb84c4110a3e · 2020-04-26T10:55:48.000+02:00
diff --git a/lib/activeadmin_addons/active_admin_config.rb b/lib/activeadmin_addons/active_admin_config.rb
@@ -3,6 +3,7 @@ class ActiveAdmin::Views::Pages::Base
 
   def build(*args)
     original_build(args)
+    body = get_elements_by_tag_name("body").first
     body.set_attribute "data-default-select", ActiveadminAddons.default_select
   end
 end
diff --git a/spec/features/inputs/select2_spec.rb b/spec/features/inputs/select2_spec.rb
@@ -76,4 +76,21 @@
       expect(page).to have_selector("select.select2")
     end
   end
+
+  context "when building ActiveAdmin html" do
+    describe "the <body> element" do
+      it "is present in the document only once" do
+        visit admin_invoices_path
+
+        expect(page.all('body').size).to eq 1
+      end
+
+      it "contains the data-default-select attribute" do
+        visit admin_invoices_path
+
+        body = find("body")
+        expect(body['data-default-select']).to eq ActiveadminAddons.default_select
+      end
+    end
+  end
 end
