ruby-on-rails - minitest 测试和代码覆盖率

Question

我使用mini-test 来测试框架。我使用 omniauth gem 进行身份验证。我使用 simplecov 进行代码覆盖。我使用 "bundle exec rake" 或 "rake minitest:controllers" 运行我的测试。我举一个 Controller 的例子。当我运行 rake minitest:controllers 时， Controller 代码覆盖率变为 100%。但是，当我运行 bundle exec rake 时， Controller 代码覆盖率变为 60%。

SessionsController.rb代码:

 class SessionsController < ApplicationController
   def create
     auth = request.env["omniauth.auth"]
     person=Person.find_by_provider_and_uid(auth.provider,auth.uid) || Person.create_with_omniauth(auth)
     redirect_to root_path
   end
end

session Controller _测试.rb

require "minitest_helper"

describe SessionsController do
  before do
    request.env["omniauth.auth"] = OmniAuth.config.mock_auth[:identity] 
    @person = Fabricate.build(:person)
  end

  it "should create authentication" do
    assert_difference('Person.count') do
      post :create, :provider => "identity"
    end
    assert_redirected_to root_path @person
  end
end

我想知道我是否会在写作测试中漏掉一分。我等你的想法。提前致谢。

编辑

minitest_helper.rb

require 'simplecov'
Simplecov.start

ENV["RAILS_ENV"] = "test"
require File.expand_path('../../config/environment', __FILE__)

require "minitest/autorun"
require "minitest/rails"
require "minitest/pride"
require 'database_cleaner'
require "minitest/rails/capybara"

require "minitest-mongoid"

DatabaseCleaner[:mongoid].strategy = :truncation
#OmniAuth.config.test_mode = true
OmniAuth.config.add_mock(:identity, {
    :uid => '12345'

})


class MiniTest::Spec
 before :each do
    DatabaseCleaner.start
  end

  after :each do
    DatabaseCleaner.clean
  end
end

Answer 1

根据 Simplecov's documentation ，您只需在 test/test_helper.rb 顶部添加以下行:

# test/test_helper.rb
require 'simplecov'
SimpleCov.start
# ...

另外不要忘记在测试组中安装 simplecov gem:

# Gemfile
# ...
group :test do
  gem 'simplecov'
end

就是这样。

Rails 6:我在使用 Rails 6 和测试并行化时遇到了一些问题，因此您可以在 test/test_helper.rb 中停用它:

# test/test_helper.rb
# ...
class ActiveSupport::TestCase
  # ...
  # parallelize(workers: 2)
end