Change version checks to use floats

Author: JonRowe

example_app_generator/spec/support/default_preview_path

@@ -37,14 +37,14 @@ require_file_stub 'config/environment' do
     module ExampleApp
       class Application < Rails::Application
         config.eager_load = false
-        if Rails::VERSION::STRING.start_with?('7')
+        if Rails::VERSION::STRING.to_f >= 7.0
           config.active_support.cache_format_version = 7.0
         end
 
         # Don't care if the mailer can't send.
         config.action_mailer.raise_delivery_errors = false unless ENV['NO_ACTION_MAILER']
         if ENV['CUSTOM_PREVIEW_PATH']
-          if Rails::VERSION::STRING.start_with?('7.1')
+          if Rails::VERSION::STRING.to_f >= 7.1
             config.action_mailer.preview_paths = [ENV['CUSTOM_PREVIEW_PATH']]
           else
             config.action_mailer.preview_path = ENV['CUSTOM_PREVIEW_PATH']

example_app_generator/spec/verify_mailer_preview_path_spec.rb

@@ -30,7 +30,7 @@ def capture_exec(*ops)
     CaptureExec.new(out, $?.exitstatus)
   end
 
-  if Rails::VERSION::STRING.start_with?('7.1')
+  if Rails::VERSION::STRING.to_f >= 7.1
     let(:expected_custom_path) { "/custom/path\n#{::Rails.root}/test/mailers/previews" }
     let(:expected_rspec_path) { "#{::Rails.root}/spec/mailers/previews\n#{::Rails.root}/test/mailers/previews" }