在 Rails 3 中使用 Rspec 测试构建关联

发布于 2024-11-09 02:17:49 字数 266 浏览 0 评论 0原文

我的教师控制器的创建操作中有以下行。

 @rating = @teacher.ratings.build(params[:rating]) unless params[:rating][:rating].blank?

我知道我的关联是正确的，因为除非评级留空，否则这条线会与新老师一起正确创建新评级。然而，我正在尽力遵循 TDD，但我不知道如何使用 rspec 测试该行。我有点不知所措。

我正在使用工厂女孩，如果有帮助的话应该可以。

原文

I have the following line in my create action of my teachers controller.

 @rating = @teacher.ratings.build(params[:rating]) unless params[:rating][:rating].blank?

I know my associations are correct because this line correctly creates a new rating alongside a new teacher unless the rating is left blank. However I'm trying my best to follow TDD and I have no clue as to how to test that line using rspec. I'm kind of at a loss.

I'm using factory girl and shoulda if that helps.

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超可爱的懒熊 2024-11-16 02:17:49

您可以这样说：（

teacher = Factory(:teacher)
rating = Factory(:rating, :teacher_id => teacher.id)
#your_other_actions_here
teacher.rating.should be present

即评级是否属于用户。）

顺便说一句，您不应该测试这一行，因为它已经由 Rails 测试过。不过，如果该行嵌入到某些操作中，您应该测试该行为。

You can say something like :

teacher = Factory(:teacher)
rating = Factory(:rating, :teacher_id => teacher.id)
#your_other_actions_here
teacher.rating.should be present

(That is if a rating belongs to user.)

Btw, you should not test this line, because it's already tested by Rails. You should test the behavior if this line is embedded to some action, though.

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