#1378, fill in "Customer auth external id in" field after form submis…

…sion

  * detect previously selected value of `customer_auth_external_id_in`
  * AJAX search logic changed: `CustomerAuth` with `external_id` NOT NULL `only`

app/admin/cdr/cdr_exports.rb

@@ -282,11 +282,14 @@ def build_new_resource
                input_html: {
                  class: 'chosen-ajax',
                  data: {
-                   path: '/customers_auths/search_with_return_external_id?q[ordered_by]=name'
+                   path: '/customers_auths/search_with_return_external_id?q[ordered_by]=name&q[external_id_null]=false'
                  }
                },
-               collection: if params.dig(:q, :customer_auth_external_id_in)
-                             CustomersAuth.where(external_id: params.dig(:q, :customer_auth_external_id_in)).order(:name).pluck(:name, :external_id)
+               collection: if ff.object.customer_auth_external_id_in.present?
+                             CustomersAuth
+                               .where(external_id: ff.object.customer_auth_external_id_in)
+                               .order(:name)
+                               .map { |r| [r.display_name, r.external_id] }
                            else
                              CustomersAuth.none
                            end

spec/features/cdr/cdr_exports/new_cdr_export_spec.rb

@@ -281,6 +281,18 @@
     end
   end
 
+  context 'when "Customer Auth external ID IN" filter is selected and then form submitted' do
+    let!(:customer_auth) { create(:customers_auth, external_id: 1235, external_type: 'term') }
+    let(:fill_form!) { fill_in_chosen 'Customer auth external id in', with: customer_auth.display_name, multiple: true, ajax: true }
+
+    it 'should render form with previously selected Customer Auth' do
+      subject
+
+      expect(page).to have_semantic_errors count: 2
+      expect(page).to have_field_chosen 'Customer auth external id in', with: customer_auth.display_name
+    end
+  end
+
   context 'without fields' do
     let(:fill_form!) do
       fill_in 'Time start gteq', with: '2018-01-01'