小编Jes*_*ord的帖子

我正在使用 RSpec2 v2.13.1，它似乎应该包含rspec-mocks ( https://github.com/rspec/rspec-mocks )。当然它列在我的 Gemfile.lock 中。

但是，当我运行测试时，我得到

     Failure/Error: allow(Notifier).to receive(:new_comment) { @decoy }
 NoMethodError:
   undefined method `allow' for #<RSpec::Core::ExampleGroup::Nested_1::Nested_1:0x007fc302aeca78>

这是我尝试运行的测试：

require 'spec_helper'

describe CommentEvent do

  before(:each) do
    @event = FactoryGirl.build(:comment_event)
    @decoy = double('Resque::Mailer::MessageDecoy', :deliver => true)
    # allow(Notifier).to receive(:new_comment) { @decoy }
    # allow(Notifier).to receive(:welcome_email) { @decoy }
  end

  it "should have a comment for its object" do
    @event.object.should be_a(Comment)
  end

  describe "email notifications" do
    it "should be sent for a user who chooses to be notified" do …