Add a start/setup hook to cache db ids before the test start

Create the strategy once in the initializer, so start and clean can use it.

Author: jrafanie

config/initializers/cypress_on_rails.rb

@@ -2,6 +2,7 @@
 # [1] https://github.com/shakacode/cypress-playwright-on-rails/blob/ac5d69f9ea951c7545e5141db2abb2cb1350e740/lib/generators/cypress_on_rails/templates/config/initializers/cypress_on_rails.rb.erb
 #   * install_folder  (uses our rails engine path)
 #   * require ENV['CYPRESS'] to be set
+#   * requires and instantiates the seeded_deletion strategy
 if defined?(CypressOnRails) && ENV['CYPRESS'].present?
   CypressOnRails.configure do |c|
     c.api_prefix = ""
@@ -39,4 +40,6 @@
   #    config.assets.unknown_asset_fallback = false
   #  end
   # end
+  require 'extensions/database_cleaner-activerecord-seeded_deletion'
+  DatabaseCleaner[:active_record].strategy = DatabaseCleaner::ActiveRecord::SeededDeletion.new(:pre_count => true, :except => %w[audit_events sessions])
 end

cypress/e2e/app_commands/clean.rb

@@ -1,7 +1,4 @@
 if defined?(DatabaseCleaner)
-  # cleaning the database using database_cleaner
-  require 'extensions/database_cleaner-activerecord-seeded_deletion'
-  DatabaseCleaner[:active_record].strategy = DatabaseCleaner::ActiveRecord::SeededDeletion.new(:pre_count => true, :except => %w[audit_events sessions])
   DatabaseCleaner.clean
 else
   msg = "add database_cleaner or update cypress/app_commands/clean.rb"

cypress/e2e/app_commands/start.rb

@@ -0,0 +1,8 @@
+if defined?(DatabaseCleaner)
+  DatabaseCleaner.start
+else
+  msg = "XXX DatabaseCleaner not defined, can't start!!!"
+  logger.warn(msg)
+  raise msg
+end
+puts "DatabaseCleaner started"

cypress/e2e/rails_examples/using_factory_bot.cy.js

@@ -1,11 +1,11 @@
 describe('Rails using factory bot examples', function() {
   beforeEach(() => {
-    cy.app('clean') // have a look at e2e/app_commands/clean.rb
-  })
+    cy.app('start');
+  });
 
   afterEach(() => {
-    cy.app('clean')
-  })
+    cy.app('clean');
+  });
 
   it('using single factory bot', function() {
     cy.appFactories([

cypress/e2e/ui/Settings/Application-Settings/schedule.cy.js

@@ -533,6 +533,10 @@ describe('Automate Schedule form operations: Settings > Application Settings > S
     cy.expect_flash(flashClassMap.success, FLASH_MESSAGE_SCHEDULE_QUEUED);
   });
 
+  beforeEach(() => {
+    cy.app('start');
+  });
+
   afterEach(() => {
     cy.app('clean');
   });

lib/extensions/database_cleaner-activerecord-seeded_deletion.rb

@@ -5,9 +5,9 @@ module ActiveRecord
     # SeededDeletion is a strategy that deletes all records from tables except those that existed before it was instantiated
     # This is useful for tests that need the seeded data to be present.
     class SeededDeletion < Deletion
-      def initialize(opts = {})
-        super
-        cache_max_seeded_ids
+      def start
+        Rails.logger.info "XXX SeededDeletion strategy setup"
+        self.class.table_max_id_cache = table_max_id_hash
       end
 
       def self.table_max_id_cache
@@ -19,10 +19,6 @@ def self.table_max_id_cache=(table_id_hash)
         @table_max_id_cache ||= table_id_hash
       end
 
-      def cache_max_seeded_ids
-        self.class.table_max_id_cache = table_max_id_hash
-      end
-
       delegate :table_max_id_cache, to: :class
 
       private