我正在使用带有测试单元的摩卡库。 https://github.com/freerange/mocha
这是我的控制器操作
def update_purchase_state
current_state = @purchase.aasm_state
@purchase.update_attribute :aasm_state, params[:purchase_state]
flash[:notice] = "successfully update the purchase state from '#{current_state}' to '#{params[:purchase_state]}'"
redirect_to home_admin_purchase_editor_path(purchase_id: @purchase)
end
这是我的控制器测试
should "update the purchase's state" do
PurchaseEditor::Purchase.any_instance.expects(:aasm_state).returns("paid")
PurchaseEditor::Purchase.any_instance.expects(:update_attribute)
post :update_purchase_state, purchase_id: "1", purchase_state: "refunded"
assert_response 200
assert_match /successfully update the purchase state/, flash[:notice]
end
我得到的错误是 undef 方法aasm_state 对于 nil 类。我很困惑,我以为我在用.any_instance嘲笑它。 我也尝试过.stubs,但没有运气。
.any_instance
适用于Purchase
的实例,但@purchase
不是Purchase
的实例。在这种情况下nil
。您需要解决在控制器中分配@purchase
的位置,或者您需要从规范中人为地分配它。