Create multi-tab system spec for add placement wizard

spec/support/shared_examples/system/placements/add_a_placement_wizard.rb

@@ -741,6 +741,61 @@
         end
       end
     end
+
+    context "when I use multiple tabs to create placements", :js do
+      let!(:subject_4) { create(:subject, name: "Primary subject 2", subject_area: :primary) }
+      let(:windows) do
+        {
+          open_new_window => { subject: subject_1.name, mentor: mentor_1, term: summer_term.name },
+          open_new_window => { subject: subject_4.name, mentor: mentor_2, term: spring_term.name },
+        }
+      end
+
+      before do
+        create(:placements_mentor_membership, mentor: mentor_1, school:)
+        create(:placements_mentor_membership, mentor: mentor_2, school:)
+      end
+
+      it "persists the placement details for each tab upon refresh" do
+        windows.each do |window, details|
+          within_window window do
+            when_i_visit_the_placements_page
+            and_i_click_on("Add placement")
+            then_i_see_the_add_a_placement_subject_page(school.phase)
+            when_i_choose_a_subject(details[:subject])
+            and_i_click_on("Continue")
+            then_i_see_the_add_year_group_page("Year 1")
+            when_i_choose_a_year_group("Year 1")
+            and_i_click_on("Continue")
+            then_i_see_the_academic_year_page
+            when_i_choose_an_academic_year(current_academic_year.name)
+            and_i_click_on("Continue")
+            then_i_see_the_add_a_term_page
+            when_i_check_a_term(details[:term])
+            and_i_click_on("Continue")
+            then_i_see_the_add_a_placement_mentor_page
+            when_i_check_a_mentor(details[:mentor].full_name)
+            and_i_click_on("Continue")
+            then_i_see_the_check_your_answers_page(school.phase, details[:mentor], details[:term])
+          end
+        end
+
+        # We need this test to be A -> B -> A -> B, so we can't combine the loops.
+        # rubocop:disable Style/CombinableLoops
+        windows.each do |window, details|
+          within_window window do
+            when_i_refresh_the_page
+            then_the_placement_details_have_not_changed(school.phase, details[:mentor], details[:term])
+            when_i_click_on("Publish placement")
+            then_i_see_success_message("Placement published")
+          end
+        end
+        # rubocop:enable Style/CombinableLoops
+
+        when_i_refresh_the_page
+        and_i_see_my_placements(windows.values)
+      end
+    end
   end
 
   private
@@ -930,11 +985,25 @@ def then_my_chosen_academic_year_is_selected(academic_year_name)
     expect(page).to have_checked_field("This academic year (#{academic_year_name})")
   end
 
+  def when_i_refresh_the_page
+    visit current_path
+  end
+
+  def and_i_see_my_placements(placements)
+    placements.each do |placement|
+      expect(page).to have_content(placement[:subject])
+      expect(page).to have_content(placement[:mentor].full_name)
+      expect(page).to have_content(placement[:term])
+    end
+  end
+
   alias_method :and_i_click_on, :when_i_click_on
   alias_method :and_i_choose_the_subject, :when_i_choose_a_subject
   alias_method :and_i_check_the_subject, :when_i_check_a_subject
   alias_method :then_my_chosen_subject_is_selected, :and_my_chosen_subject_is_selected
   alias_method :then_my_chosen_mentor_is_checked, :and_my_chosen_mentor_is_checked
   alias_method :then_my_chosen_year_group_is_selected, :and_my_chosen_year_group_is_selected
   alias_method :then_my_chosen_term_is_checked, :and_my_chosen_term_is_checked
+  alias_method :then_the_placement_details_have_not_changed, :then_i_see_the_check_your_answers_page
+  alias_method :then_i_see_success_message, :and_i_see_success_message
 end