Rails教程大规模分配安全异常

Question

我一直在研究Ruby on Rails教程。我遇到了一个问题，a test通过检查批量指派安全异常将被抛出。我不知道为什么我会得到这个测试失败，或者如何解决这个问题。

rspec的：

describe "accessible attributes" do 
    it "should not allow access to user_id" do 
     expect do 
     Micropost.new(user_id: user.id) 
     end.should raise_error(ActiveModel::MassAssignmentSecurity::Error) 
    end  
    end 

失败：

1) Micropost accessible attributes should not allow access to user_id 
    Failure/Error: expect { Micropost.new(user_id: user.id) }.should raise_error(ActiveModel::MassAssignmentSecurity::Error) 
     expected ActiveModel::MassAssignmentSecurity::Error, got #<NoMethodError: undefined method `call' for #<RSpec::Expectations::ExpectationTarget:0x8af2bb8>> 
    # ./spec/models/micropost_spec.rb:23:in `block (3 levels) in <top (required)> 

Answer 1

尝试使用to，而不是should您期望raise_error匹配。

describe "accessible attributes" do 
    it "should not allow access to user_id" do 
    expect do 
     Micropost.new(user_id: user.id) 
    end.to raise_error(ActiveModel::MassAssignmentSecurity::Error) 
    end  
end