#<RSpec::Core::Configuration:0x007fccf515e338> 的未定义方法 `use_transactional_tests=' (NoMethodError)

Question

我正在测试新的 Rails 版本 5.0.0.alpha 和 RSpec 3.1.7，但收到错误消息：

undefined method `use_transactional_tests=' for #<RSpec::Core::Configuration:0x007fccf515e338> (NoMethodError)

在rails_helper.rb 我通常使用这个并且一切正常：

config.use_transactional_fixtures = true

但我收到了这个警告：

DEPRECATION WARNING: use_transactional_fixtures= is deprecated and will be removed from Rails 5.0 (use use_transactional_tests= instead). (called from block in <module:FixtureSupport> at /Users/monteirobrena/.rvm/gems/ruby-2.2.2@global/gems/rspec-rails-3.1.0/lib/rspec/rails/fixture_support.rb:25)

所以，我更改了我的rails_helper.rb 以使用新方式：

config.use_transactional_tests = true

现在我收到了这个错误：

/Users/monteirobrena/project/spec/rails_helper.rb:34:in `block in <top (required)>': undefined method `use_transactional_tests=' for #<RSpec::Core::Configuration:0x007fccf515e338> (NoMethodError)
from /Users/monteirobrena/.rvm/gems/ruby-2.2.2@global/gems/rspec-core-3.1.7/lib/rspec/core.rb:81:in `configure'
from /Users/monteirobrena/project/spec/rails_helper.rb:27:in `<top (required)>'
from /Users/monteirobrena/project/spec/controllers/messages_controller_spec.rb:1:in `require'
from /Users/monteirobrena/project/spec/controllers/messages_controller_spec.rb:1:in `<top (required)>'
from /Users/monteirobrena/.rvm/rubies/ruby-2.2.2/lib/ruby/gems/2.2.0/gems/rspec-core-3.1.7/lib/rspec/core/configuration.rb:1105:in `load'
from /Users/monteirobrena/.rvm/rubies/ruby-2.2.2/lib/ruby/gems/2.2.0/gems/rspec-core-3.1.7/lib/rspec/core/configuration.rb:1105:in `block in load_spec_files'
from /Users/monteirobrena/.rvm/rubies/ruby-2.2.2/lib/ruby/gems/2.2.0/gems/rspec-core-3.1.7/lib/rspec/core/configuration.rb:1105:in `each'
from /Users/monteirobrena/.rvm/rubies/ruby-2.2.2/lib/ruby/gems/2.2.0/gems/rspec-core-3.1.7/lib/rspec/core/configuration.rb:1105:in `load_spec_files'
from /Users/monteirobrena/.rvm/rubies/ruby-2.2.2/lib/ruby/gems/2.2.0/gems/rspec-core-3.1.7/lib/rspec/core/runner.rb:96:in `setup'
from /Users/monteirobrena/.rvm/rubies/ruby-2.2.2/lib/ruby/gems/2.2.0/gems/rspec-core-3.1.7/lib/rspec/core/runner.rb:84:in `run'
from /Users/monteirobrena/.rvm/rubies/ruby-2.2.2/lib/ruby/gems/2.2.0/gems/rspec-core-3.1.7/lib/rspec/core/runner.rb:69:in `run'
from /Users/monteirobrena/.rvm/rubies/ruby-2.2.2/lib/ruby/gems/2.2.0/gems/rspec-core-3.1.7/lib/rspec/core/runner.rb:37:in `invoke'
from /Users/monteirobrena/.rvm/gems/ruby-2.2.2@global/gems/rspec-core-3.1.7/exe/rspec:4:in `<top (required)>'
from /Users/monteirobrena/.rvm/rubies/ruby-2.2.2/bin/rspec:23:in `load'
from /Users/monteirobrena/.rvm/rubies/ruby-2.2.2/bin/rspec:23:in `<main>'
from /Users/monteirobrena/.rvm/gems/ruby-2.2.2@global/bin/ruby_executable_hooks:15:in `eval'
from /Users/monteirobrena/.rvm/gems/ruby-2.2.2@global/bin/ruby_executable_hooks:15:in `<main>'

有什么想法吗？谢谢。

Answer 1

您收到的弃用警告和建议来自 Rails，而不是 RSpec 或 rspec-rails gem。 rspec-rails gem 实现了use_transactional_fixtures=and turns around and calls the same method in Rails。它没有实现use_transactional_tests=，因此当您进行更改时会收到该错误消息。

除非升级 rspec-rails gem 以支持新的 Rails 5 功能，否则您需要直接设置 Rails 配置 - 从 rspec-rails 3.8 开始不需要。

Answer 2

您需要在 rspec 中继续使用 config.use_transactional_fixtures = true 为 rails 5 beta 配置（至少在正式发布之前，不确定 rspec 团队的计划是什么支持这一点）。 修复已经在 master 分支上，here is the line fixing it.

在 master 分支上设置 rspec gems：

%w[rspec-core rspec-expectations rspec-mocks rspec-rails rspec-support].each do |lib|
    gem lib, git: "https://github.com/rspec/#{lib}.git", branch: 'master'
end

Answer 3

我更新了我的 rspec 版本，所以我不需要更改我的 use_transactional_fixtures 行。目前只有一个测试版：

gem 'rspec', '~> 3.5.0.beta4'
gem 'rspec-rails', '~> 3.5.0.beta4'