运行 Rails 单元测试时无法访问工厂中的种子
我有包含一些设置数据的工厂。例如：
Factory.define :event do |event|
event.name { Factory.next(:email) }
event.blurb "Test event blurb"
event.association(:owner, :factory => :user)
event.countries Country.all
end
Country.all 只是将查找表中的所有国家/地区分配给该特定事件。在我的测试助手中使用这一行运行测试之前，我通过加载种子来包含所有国家/地区：
require "#{Rails.root}/db/seeds.rb"
这在运行单独的单元测试时效果很好：
ruby test/unit/event_test.rb
但是，当我使用以下命令运行测试时，Country.all 不会返回任何内容：
rake test:units
有谁知道为什么会发生这种情况？
I have factories that include some setup data. For example:
Factory.define :event do |event|
event.name { Factory.next(:email) }
event.blurb "Test event blurb"
event.association(:owner, :factory => :user)
event.countries Country.all
end
Country.all just assigns all countries from a lookup table to that particular event. I include all the countries by loading seeds before I run my tests with this line in my test helper:
require "#{Rails.root}/db/seeds.rb"
This works great when running individual unit tests:
ruby test/unit/event_test.rb
However Country.all returns nothing when I run the test using:
rake test:units
Does anyone know why this is happening?
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您需要 test_helper 中的种子，它会加载一次。每次测试运行后，数据库都会被清除，包括种子数据。为了使种子每次都加载，请将类似的内容添加到 test_helper 的
ActiveSupport::TestCase类定义中。You require seeds in the test_helper, it's loaded once. After each test run database is wiped out, including seeded data. In order to make seeds load every time, add something like this to your test_helper's
ActiveSupport::TestCaseclass definition.查看 rake gem 的源代码。看起来您必须在每个测试文件中手动加载
seeds.rb文件，或者更好的是，从test_helper.rb加载。Have a look at the source code for the
rakegem. It looks like you'll have to load yourseeds.rbfile manually in each test file, or better yet, fromtest_helper.rb.