Make the index spec handle varying templates between Rails versions

Author: petergoldstein

example_app_generator/spec/support/default_preview_path

@@ -26,6 +26,7 @@ require_file_stub 'config/environment' do
     require "action_controller/railtie"
     require "action_mailer/railtie" unless ENV['NO_ACTION_MAILER']
     require "action_view/railtie"
+    require "action_cable/engine" if Rails::VERSION::STRING >= '6'
 
     # Require the gems listed in Gemfile, including any gems
     # you've limited to :test, :development, or :production.

lib/generators/rspec/scaffold/templates/index_spec.rb

@@ -18,8 +18,9 @@
 
   it "renders a list of <%= ns_table_name %>" do
     render
+    cell_selector = Rails::VERSION::STRING >= '7' ? 'div>p' : 'tr>td'
 <% for attribute in output_attributes -%>
-    assert_select "tr>td", text: <%= value_for(attribute) %>.to_s, count: 2
+    assert_select cell_selector, text: Regexp.new(<%= value_for(attribute) %>.to_s), count: 2
 <% end -%>
   end
 end

spec/generators/rspec/scaffold/scaffold_generator_spec.rb

@@ -208,16 +208,16 @@
       before { run_generator %w[posts upvotes:integer downvotes:integer] }
       subject { file("spec/views/posts/index.html.erb_spec.rb") }
       it { is_expected.to exist }
-      it { is_expected.to contain('assert_select "tr>td", text: 2.to_s, count: 2') }
-      it { is_expected.to contain('assert_select "tr>td", text: 3.to_s, count: 2') }
+      it { is_expected.to contain('assert_select cell_selector, text: Regexp.new(2.to_s), count: 2') }
+      it { is_expected.to contain('assert_select cell_selector, text: Regexp.new(3.to_s), count: 2') }
     end
 
     describe 'with multiple float attributes index' do
       before { run_generator %w[posts upvotes:float downvotes:float] }
       subject { file("spec/views/posts/index.html.erb_spec.rb") }
       it { is_expected.to exist }
-      it { is_expected.to contain('assert_select "tr>td", text: 2.5.to_s, count: 2') }
-      it { is_expected.to contain('assert_select "tr>td", text: 3.5.to_s, count: 2') }
+      it { is_expected.to contain('assert_select cell_selector, text: Regexp.new(2.5.to_s), count: 2') }
+      it { is_expected.to contain('assert_select cell_selector, text: Regexp.new(3.5.to_s), count: 2') }
     end
 
     describe 'with reference attribute' do