运行规范抛出“Mysql2 :: Error：表'test_db.xxx'不存在：TRUNCATE TABLE xxx

Question

使用Rails 3.1.x，DatabaseCleaner gem和capybara 2，我在尝试运行测试时得到以下信息：

 Failure/Error: Unable to find matching line from backtrace
 ActiveRecord::StatementInvalid:
   Mysql2::Error: Table 'teambox_test_default.incoming_emails' doesn't exist: TRUNCATE TABLE incoming_emails
 # ./config/initializers/connection_fix.rb:24:in `execute'
 # -e:1:in `<main>'

Answer 1

这可以通过运行：

来解决

bundle exec rake db:test:prepare