rake test:prepare

$ bundle exec rake db:migrate
$ bundle exec rake test:prepare

rake aborted!
Don't know how to build task 'test:prepare'
/Users/takako/.rvm/gems/ruby-2.0.0-p481@railstutorial_rails_4_0/bin/ruby_executable_hooks:15:in eval'
/Users/takako/.rvm/gems/ruby-2.0.0-p481@railstutorial_rails_4_0/bin/ruby_executable_hooks:15:in'
(See full trace by running task with --trace)

'test:prepare'がないみたい

そこで、テスト用のDBを作る
$ rake db:create db:migrate RAILS_ENV=test

db/test.sqlite3 already exists
== 20140725021324 CreateUsers: migrating ======================================
-- create_table(:users)
-> 0.0022s
== 20140725021324 CreateUsers: migrated (0.0024s) =============================

すでにある？泣

$ bundle exec rake db:migrate
$ bundle exec rake test:prepare

rake aborted!
Don't know how to build task 'test:prepare'

$ bundle exec rake db:create:all

db/development.sqlite3 already exists
db/test.sqlite3 already exists

ううん。。

$ bundle exec rspec spec/models/user_spec.rb

No DRb server is running. Running in local process instead ...
....

Finished in 0.05868 seconds
4 examples, 0 failures

Randomized with seed 54796

Run options: --seed 29489

Running:

Finished in 0.003481s, 0.0000 runs/s, 0.0000 assertions/s.

0 runs, 0 assertions, 0 failures, 0 errors, 0 skips

動いた！？
保留