批量运行时RSpec错误，但不是单独运行 [英] RSpec errors when run en masse, but not individually

问题描述

不幸的是，我没有一个具体的问题（或线索），但希望有人能指出我正确的方向。

Unfortunately I don't have a specific question (or clues), but was hoping someone could point me in the right direction.

当我全部跑完时测试（rspec规范），我得到了两个失败的测试，这些测试特别与延迟作业有关。

When I run all of my tests (rspec spec), I am getting two tests that fail specifically related to Delayed Job.

当我单独运行此规范文件时（rspec ./spec/controllers/ xxx_controller_spec.rb）所有测试都通过了……这是常见问题吗？我应该找什么？

When I run this spec file in isolation (rspec ./spec/controllers/xxx_controller_spec.rb) all the tests pass...... Is this a common problem? What should I be looking for?

谢谢！

推荐答案

您已经提到过：隔离可能是解决方案。通常，我会猜测您数据库中的某些东西正在更改并且没有正确清理（或者没有正确模拟）。

You are already mentioning it: isolation might be the solution. Usually I would guess that you have things in the database that are being changed and not cleaned up properly (or rather, are not not mocked properly).

在这种情况下，尽管我建议这样做，但是由于系统的工作量很高，所以延迟的工作还不够快。挑战在于应测试的所有异步任务：您不得让系统运行延迟的作业，而应模拟调用并确保已收到延迟的作业。

In this case though I would suggest that, because the system is quite under a high workload, the delayed jobs are not being worked off fast enough. The challenge is with all asynchronous tasks that should be tested: you must not let the system run the delayed jobs, but mock the calls and just make sure that the delayed jobs have been received.

遗憾的是，没有示例，我很难指出缺少的模拟对象。但是请确保所有对delay_jobs的调用和类似调用都接收到正确的数据，但实际上并未创建和运行这些作业-您的规范也将更快。确保隔离测试中的函数，并且不调用外部依赖项。

Sadly, with no examples, I can hardly point out the missing mocks. But make sure that all calls to delay_jobs and similar receive the correct data, but do not actually create and run those jobs - your specs will be faster, too. Make sure you isolate the function under test and not call external dependencies.

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