expect(MyWorker).to have_enqueued_sidekiq_job().at(Time.now)导致我犯了这个错误
undefined method at for #RSpec::Matchers::BuiltIn::Has:0x007fecb7f0a068`这是我的rspec宝石
rspec (3.6.0)
rspec-core (3.6.0)
rspec-expectations (3.6.0)
rspec-mocks (3.6.0)
rspec-sidekiq (3.0.3)
rspec-support (3.6.0)发布于 2018-01-02 16:45:08
用spec_helper.rb中的require rspec-sidekiq修正了它
https://stackoverflow.com/questions/48051359
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