早該上單元的超類不匹配測試

Question

嘗試使用早該編寫一個簡單的單元測試和軌道3.

測試/單元/ user_test.rb的

class UserTest < Test::Unit::TestCase 
    should validate_presence_of(:password, :on => :create) 
    should validate_presence_of(:handle, :email) 
    should validate_confirmation_of(:password) 
    should validate_length_of(:handle, :within => 6..15) 
    should validate_uniqueness_of(:handle) 
    should validate_format_of(:handle, :with => /\A\w+\z/i) 
    should validate_length_of(:email, :within => 6..100) 
end 

相關部分的Gemfile

group :test do 
    gem 'shoulda' 
    gem 'rspec-rails', '2.0.0.beta.12' 
end 

當我嘗試使用rake test --trace我收到以下錯誤運行此：

** Execute test:units 
/Users/removed/removed/removed/app_name/test/unit/user_test.rb:5: superclass mismatch for class UserTest (TypeError) 
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:239:in `require' 
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:239:in `require' 
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:227:in `load_dependency' 
    from /Library/Ruby/Gems/1.8/gems/activesupport-3.0.7/lib/active_support/dependencies.rb:239:in `require' 
    from /Library/Ruby/Gems/1.8/gems/rake-0.9.2/lib/rake/rake_test_loader.rb:9 
    from /Library/Ruby/Gems/1.8/gems/rake-0.9.2/lib/rake/rake_test_loader.rb:9:in `each' 
    from /Library/Ruby/Gems/1.8/gems/rake-0.9.2/lib/rake/rake_test_loader.rb:9 
    from /Library/Ruby/Gems/1.8/gems/rake-0.9.2/lib/rake/rake_test_loader.rb:5:in `each' 
    from /Library/Ruby/Gems/1.8/gems/rake-0.9.2/lib/rake/rake_test_loader.rb:5 

我明白這個錯誤，我只是不明白在哪裏另一個UserTest類將被定義給我這個問題。有什麼想法嗎？

邁克

Answer 1

檢查的find . | xargs grep -l UserTest輸出對類名的意外重複使用。

Answer 2

我能想象避免這種錯誤的唯一方法是通過執行以下操作：

UserTest = Class.new(Test::Unit::TestCase) 
class UserTest # Or class UserTest < Test::Unit::TestCase is also allowed 
    should validate_presence_of(:password, :on => :create) 
    should validate_presence_of(:handle, :email) 
    should validate_confirmation_of(:password) 
    should validate_length_of(:handle, :within => 6..15) 
    should validate_uniqueness_of(:handle) 
    should validate_format_of(:handle, :with => /\A\w+\z/i) 
    should validate_length_of(:email, :within => 6..100) 
end 

，如果你要重複

UserTest = Class.new(Test::Unit::TestCase) # repeated 

你會得到

warning: already initialized constant UserTest 

但這種方法看起來有點奇怪。