Save db data to fixture files
он сохранит все данные из ваших таблиц development базы в ямлы для тестов rake
db:fixtures:dump_references
["areas","countries"]
сохранит только те таблицы которы епрописаны у него в конфиге, в данном случае это
namespace :db do namespace :fixtures do desc 'Create YAML test fixtures from data in an existing database. Defaults to development database. Set RAILS_ENV to override.' task :dump_all => :environment do sql = "SELECT * FROM %s" skip_tables = ["schema_info"] ActiveRecord::Base.establish_connection(:development) (ActiveRecord::Base.connection.tables - skip_tables).each do |table_name| i = "000" File.open("#{RAILS_ROOT}/test/fixtures/#{table_name}.yml", 'w') do |file| data = ActiveRecord::Base.connection.select_all(sql % table_name) file.write data.inject({}) { |hash, record| hash["#{table_name}_#{i.succ!}"] = record hash }.to_yaml end end end end namespace :fixtures do desc 'Create YAML test fixtures for references. Defaults to development database. Set RAILS_ENV to override.' task :dump_references => :environment do sql = "SELECT * FROM %s" dump_tables = ["areas","countries"] ActiveRecord::Base.establish_connection(:development) dump_tables.each do |table_name| i = "000" file_name = "#{RAILS_ROOT}/test/fixtures/#{table_name}.yml" p "Fixture save for table #{table_name} to #{file_name}" File.open(file_name, 'w') do |file| data = ActiveRecord::Base.connection.select_all(sql % table_name) file.write data.inject({}) { |hash, record| hash["#{table_name}_#{i.succ!}"] = record hash }.to_yaml end end end end end