在 Rails 3.2 中使用 Authlogic 进行单元测试 [英] Unit testing with Authlogic in Rails 3.2

问题描述

Authlogic 似乎搞砸了我的单元测试.当我尝试运行任何单元测试时，我得到:

Authlogic seems to be messing up my unit tests. When I try to run any unit test, I get:

authlogic/acts_as_authentic/base.rb:31:in `acts_as_authentic': You must establish a database connection before using acts_as_authentic (StandardError)

我的单元测试是什么并不重要.即使我的所有单元测试文件都包含 require 'test_helper'，我仍然收到错误消息.当然，这告诉我问题可能出在我的 test/test_helper.rb 文件中.

It doesn't matter what my unit test is. Even if all my unit test file contains is require 'test_helper', I still get the error. This, of course, tells me that the problem is probably in my test/test_helper.rb file.

这是我的 test/test_helper.rb(基于示例 此处):

Here's my test/test_helper.rb (based on the example here):

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

class ActiveSupport::TestCase
  # Setup all fixtures in test/fixtures/*.(yml|csv) for all tests in alphabetical order.
  #
  # Note: You'll currently still have to declare fixtures explicitly in integration tests
  # -- they do not yet inherit this setting
  fixtures :all

  # Add more helper methods to be used by all tests here...
end

class ActionController::TestCase
  setup :activate_authlogic
end

其他人有这个问题吗?我不知道该怎么办.

Is anybody else having this problem? I don't know what to do.

推荐答案

对我来说这是因为我有命名空间模型，例如 Qwerty::User，它链接到非命名空间表，即users，而不是 qwerty_users，当我使用 Rails 生成器创建一个新模型时，例如 Qwerty::Post 它创建的还创建了一个 Qwerty 模块，其中包含:

For me it was because I had namespaced models, e.g Qwerty::User, which where linked to non-namespaced tables, i.e users, not qwerty_users, and when I used the Rails generator to make a new model, e.g Qwerty::Post it created also created a Qwerty module which contained:

def self.table_name_prefix
 'qwerty_'
end

这使我的 Qwerty::User 模型查找 qwerty_users 是错误的，因此出现您必须建立数据库连接"错误.该表不存在.

This was then making my Qwerty::User model look for qwerty_users which was wrong, hence the "You must establish a database connection" error. The table did not exist.

很可能有多种方法可以导致此错误，但我怀疑其中任何一种方法都与 authlogic 本身直接相关.

Most likely there are a number of ways to get this error, but I doubt any of them will directly relate to authlogic itself.

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