我有一个这样的测试用例:
describe WorkCardsController do it "something" do work_card = instance_double(WorkCard,{:started?=>true} ) #some more code end end
当我运行RSpec时,我收到一个错误:
undefined method 'instance_double' for #<Rspec::Core::ExampleGroup::Nested_1::Nested_8::Nested_3:0x007f0788b98778>
根据http://rubydoc.info/github/rspec/rspec-mocks/RSpec/Mocks/ExampleMethods,存在这种方法.所以我尝试通过以下方式直接访问它:
describe WorkCardsController do it "something" do work_card = RSpec::Mocks::ExampleMethods::instance_double(WorkCard,{:started?=>true} ) #some more code end end
然后我得到了一个非常令人惊讶的错误:
undefined method 'instance_double' for Rspec::Mocks::ExampleMEthods:Module
这与我上面链接的文档相反.
我错过了什么?
解决方法
从您指出的文档:
Mix this in to your test context (such as a test framework base class) to use rspec-mocks with your test framework.
尝试将其包含在您的代码中:
include RSpec::Mocks::ExampleMethods
你的直接接近失败,因为打电话
RSpec::Mocks::ExampleMethods::instance_double(...)
def self.instance_double(...)
但它已被声明为实例方法:
def instance_double(...)