[英]Rspec and testing instance methods
这是我的rspec
文件:
require 'spec_helper'
describe Classroom, focus: true do
describe "associations" do
it { should belong_to(:user) }
end
describe "validations" do
it { should validate_presence_of(:user) }
end
describe "instance methods" do
describe "archive!" do
before(:each) do
@classroom = build_stubbed(:classroom)
end
context "when a classroom is active" do
it "should mark classroom as inactive" do
@classroom.archive!
@classroom.active.should_be == false
end
end
end
end
end
这是我的Classroom Factory
:
FactoryGirl.define do
factory :classroom do
name "Hello World"
active true
trait :archive do
active false
end
end
end
当实例方法测试在上面运行时,我收到以下错误: stubbed models are not allowed to access the database
我知道为什么会发生这种情况(但我缺乏测试知识/正在测试中的新手),但无法弄清楚如何对模型进行存根处理,以使其不会影响数据库
工作Rspec测试:
require 'spec_helper'
describe Classroom, focus: true do
let(:classroom) { build(:classroom) }
describe "associations" do
it { should belong_to(:user) }
end
describe "validations" do
it { should validate_presence_of(:user) }
end
describe "instance methods" do
describe "archive!" do
context "when a classroom is active" do
it "should mark classroom as inactive" do
classroom.archive!
classroom.active == false
end
end
end
end
end
您的archive!
方法正在尝试将模型保存到数据库。 而且由于您将其创建为存根模型,因此它不知道如何执行此操作。 您有2种可能的解决方案:
archive
,不要将其保存到数据库中,而是在您的规范中调用该方法。 Thoughtbot提供了一个在此处存根依赖的好例子。 被测试的对象( OrderProcessor
)是一个真实的对象,而通过它的项目为了提高效率而被存根。
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