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[英]Rspec feature test with sidekiq mail delivery, how to wait for mail observer?
[英]How to test Mongoid::Observer with rspec
在一個簡單的mongoid數據模型上,用戶有很多評論,我想在用戶寫至少一條評論時給用戶一個特定的徽章。 所以我建立了一個像這樣的觀察者:
class CommentBadgeObserver < Mongoid::Observer
observe :comment
def after_create(comment)
CommentBadge.check_conditions_for(comment.user)
end
end
class CommentBadge < Badge
def self.check_conditions_for(user)
if user.comments.size > 1
badge = CommentBadge.create(:title => "Comment badge")
user.award(badge)
end
end
end
user.award方法:
def award(badge)
self.badges << badge
self.save
end
以下測試失敗(但我想這是正常的,因為觀察者在后台執行?)
it 'should award the user with comment badge' do
@comment = Factory(:comment, :user => @user)
@user.badges.count.should == 1
@user.badges[0].title.should == "Comment badge"
end
什么是驗證此行為的最佳方法?
我有一個獨立的代碼改編(見下文)。 我不得不做三個小改動,讓它按照你期望的方式工作。
要使Observer正常工作,您必須實例化它。 在我的例子中,我需要添加以下行:
Mongoid.observers = CommentBadgeObserver
Mongoid.instantiate_observers
在Rails中你可以實現相同的功能,將它添加到config / application.rb(根據文檔 ):
config.mongoid.observers = :comment_badge_observer
我認為CommentBadge.check_conditions_for
也存在一個小的邏輯錯誤, > 1
應該> 0
。
最后,我更改了User#award
方法以保存徽章而不是用戶,因為存儲關系的“外鍵”字段位於徽章一側。
class Comment
include Mongoid::Document
field :name
belongs_to :user
end
class CommentBadgeObserver < Mongoid::Observer
observe :comment
def after_create(comment)
CommentBadge.check_conditions_for(comment.user)
end
end
class Badge
include Mongoid::Document
field :title
belongs_to :user
end
class CommentBadge < Badge
def self.check_conditions_for(user)
if user.comments.size > 0
badge = CommentBadge.create!(:title => "Comment badge")
user.award(badge)
end
end
end
class User
include Mongoid::Document
field :first_name
has_many :comments
has_many :badges
def award(badge)
self.badges << badge
badge.save!
end
end
Factory.define(:user) do |u|
u.first_name 'Bob'
end
Factory.define(:comment) do |c|
c.name 'Some comment...'
end
# Observers need to be instantiated
Mongoid.observers = CommentBadgeObserver
Mongoid.instantiate_observers
describe CommentBadgeObserver do
it 'should create badges' do
@user = Factory.build(:user)
@comment = Factory(:comment, :user => @user)
@user.badges.count.should == 1
@user.badges[0].title.should == "Comment badge"
end
end
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