使用 rspec 测试 after_create 挂钩
我的模型（RoR 3.0.x）中的代码或多或少像这样：
class Message
after_create :notify
protected
def notify
if visible?
Notifier.message_from_portfolio( user, self ).deliver
else
Notifier.invisible_message_from_portfolio( user, self ).deliver
end
end
end
并且我正在使用最新的 rspec gem 来测试它。 问题是我无法测试通知方法：如果我直接测试它，我不能，因为它是受保护的，如果我创建一条消息并设置期望，它就不起作用，因为显然即使 rspec 运行通知方法我无法及时接听电话。
我的规范是：
describe :notification do
it "should send the whole message by email when visible" do
u = Factory.create( :user, :account_type => 1 )
message = u.messages.build( :body => "Whatever", :author => "Nobody", :email => "[email protected]" )
Notifier.should_receive( :message_from_portfolio )
message.save
end
end
对象通知程序从不接收 message_from_portfolio。我做错了什么？建议？
I have code in my model (RoR 3.0.x) that is more or less like this:
class Message
after_create :notify
protected
def notify
if visible?
Notifier.message_from_portfolio( user, self ).deliver
else
Notifier.invisible_message_from_portfolio( user, self ).deliver
end
end
end
And I'm using the latest rspec gem to test it.
The problem is that I'm not able to test the notify method: if I test it directly I can't because it's protected, if I create a message and set expectations it doesn't work because apparently even though rspec runs the notify metod I'm not able to catch the calls in time.
My spec is:
describe :notification do
it "should send the whole message by email when visible" do
u = Factory.create( :user, :account_type => 1 )
message = u.messages.build( :body => "Whatever", :author => "Nobody", :email => "[email protected]" )
Notifier.should_receive( :message_from_portfolio )
message.save
end
end
The object Notifier never receives message_from_portfolio. What am I doing wrong? Suggestions?
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评论（2）
Factory.create已经保存了消息，所以它没有被创建，只是保存。将其替换为 Factory.build ，一切都应该没问题。Factory.createhas already saved message, so it is not being created, just saved. Substitute it withFactory.buildand all should be fine.您确定回调已到达吗？如果实例无效，则
after_create不会执行。您可以设置一个用于调试目的的期望：
或者
visible?返回 false？要检查这一点，您可以使用负期望：Are you sure the callback is being reached?
after_createdoesn't get executed if the instance is invalid.You could set an expectation for debugging purposes:
Or maybe
visible?returns false? To check for that you could use a negative expectation: