我已经在RoR开发了一年多了,但我刚刚开始使用RSpec进行测试。
对于标准模型/控制器测试,我通常没有任何问题,但问题是我想测试一些复杂的功能过程,并且不知道如何构建我的测试文件夹/文件/数据库。
这是我的应用程序的基本结构:
class Customer
has_one :wallet
has_many :orders
has_many :invoices, through: :orders
has_many :invoice_summaries
end
class Wallet
belongs_to :customer
end
class Order
has_one :invoice
belongs_to :customer
end
class Invoice
belongs_to :order
belongs_to :invoice_summary
end
class InvoiceSummary
belongs_to :customer
has_many :invoices
end
主要问题是我想模拟对象的生命周期,意思是:
实例化将用于所有测试的客户和钱包(无需重新初始化)
模拟时间流程,创建和更新多个订单/发票对象以及一些invoice_summaries。
为了创建和更新订单/发票/ invoice_summaries,我想有像
这样的方法def create_order_1
# code specific to create my first order, return the created order
end
def create_order_2
# code specific to create my second order, return the created order
end
.
.
.
def create_order_n
# code specific to create my n-th order, return the created order
end
def bill_order(order_to_bill)
# generic code to do the billing of the order passed as parameter
end
def cancel_order(order_to_cancel)
# generic code to cancel the order passed as parameter
end
我已经找到了用于模拟时间流的gem Timecop。因此,我希望有一个易于理解的最终测试,看起来像
# Code for the initialization of customers and wallets object
describe "Wallet should be equal to 0 after first day" do
Timecop.freeze(Time.new(2015,7,1))
first_request = create_request_1
first_request.customer.wallet.value.should? == 0
end
describe "Wallet should be equal to -30 after second day" do
Timecop.freeze(Time.new(2015,7,2))
bill_order(first_request)
second_order = create_order_2
first_request.customer.wallet.value.should? == -30
end
describe "Wallet should be equal to -20 after third day" do
Timecop.freeze(Time.new(2015,7,3))
bill_order(second_request)
cancel_order(first_request)
first_request.customer.wallet.value.should? == -20
end
describe "Three first day invoice_summary should have 3 invoices" do
Timecop.freeze(Time.new(2015,7,4))
invoice_summary = InvoiceSummary.create(
begin_date: Date.new(2015,7,1),
end_date: Date.new(2015, 7,3)
) # real InvoiceSummary method
invoice_summary.invoices.count.should? == 3
end
有没有人有这样的测试?是否有构建对象工厂,编写测试等的良好实践?
例如,我被告知有一个好主意是将客户/电子钱包创建放在db / seed.rb文件中,但之后我真的不知道如何处理它。
答案 0 :(得分:0)
您应该使用FactoryGirl
完成任务。按照文档中的描述进行配置,然后像这样使用它:
# factories.rb
factory :order do
end
# your spec
first_order = create(:order, ...) # configure parameters of order in-place
或者让特定工厂处理不同类型的请求:
# factories.rb
factory :expensive_order, class: Order do
amount 999 # have 'amount' field of Order be equal to 999
end
# your spec
first_order = create(:expensive_order)
您可以让FactoryGirl自动处理您的关联:
factory :order do
association :user # automatically create User association
end
您正在描述FactoryGirl的开发人员打算解决的确切问题。