nest attributes postal address form prepopulates with saved info

Author: lilwillifo

app/views/users/edit.html.slim

@@ -108,7 +108,7 @@
   = f.input :tshirt_size, as: :select, collection: User::TSHIRT_SIZES.map { |k| [k, k] }, label: 'T-Shirt size', blank: false, required: false, hint: 'For sponsor T-Shirts, in case they send some.'
   = f.input :tshirt_cut, as: :select, collection: User::TSHIRT_CUTS.map { |s| [s, s] }, label: 'T-Shirt cut', include_blank: true
   h4 Shipping Address
-  = f.simple_fields_for :postal_address_attributes do |pa|
+  = f.simple_fields_for :postal_address_attributes, @user.postal_address do |pa|
     = pa.input :address_line_1, required: false
     = pa.input :address_line_2, required: false
     = pa.input :city, required: false

spec/features/users/postal_address_spec.rb

@@ -28,6 +28,26 @@
         expect(page).to have_content address.postal_code
         # expect(page).to have_content address.country
       end
+
+      it 'does not allow a postal address to be added if required fields are missing' do
+        fill_in 'user[postal_address_attributes][address_line_1]',    with: address.address_line_1
+        fill_in 'user[postal_address_attributes][postal_code]',       with: address.postal_code
+        click_on 'Save'
+
+        expect(current_path).to eq edit_user_path(user)
+
+        expect(page).to have_content "If adding a shipping address, please include all required fields."
+      end
+
+      it 'autofills saved postal address info on edit form if it exists' do
+        user.update(postal_address: create(:postal_address))
+        visit edit_user_path(user)
+
+        expect(page).to have_selector("input[value='#{user.postal_address.address_line_1}']")
+        expect(page).to have_selector("input[value='#{user.postal_address.city}']")
+        expect(page).to have_selector("input[value='#{user.postal_address.state_or_province}']")
+        expect(page).to have_selector("input[value='#{user.postal_address.postal_code}']")
+      end
     end
   end
 end