/ Published in: Ruby
I didn't create this but I use it all the time. Just drop it in lib/tasks/fixtures.rake
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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 => :environment do sql = "SELECT * FROM %s" skip_tables = ["schema_info"] ActiveRecord::Base.establish_connection(RAILS_ENV) (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 end