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testdouble experiencing memory issue when running 800 unit tests

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评估

难度
4/5
预计耗时
3-5 天
新手友好度
25/100
Issue 类型
缺陷
描述清晰度
需要澄清
活跃度
停滞
技术栈
javascript, nodejs
领域
testing

调研方向

Start by reproducing the memory growth with the reported 800-test Jenkins scenario using testdouble 3.20.2, then inspect the regression/src directory for a focused failing test. Run npm it after adding a minimal reproduction; done means the retained testdouble usage is reproducible and the cleanup behavior is covered by a regression test.

由索引模型根据 Issue 内容生成。

描述

Description

Running 800 unit tests using testdouble, resulting in memory leak.

Issue

There are many testdouble usages that do not seem to be deleting properly. Therefore, when building on Jenkins, it terminates with the error message:
FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory

This image comes from a Heap Snapshot of some of the tests.

Screenshot 2024-08-29 at 3 34 13 PM

Our currently code consists of the following, but it doesn't seem to help resolve the memory leak.
afterEach(function () { td.reset(); });

Are there any other lines that should be included to help with garbage collection?

Environment
  • node -v output: 18.20.4
  • npm -v (or yarn --version) output: 10.7.0
  • npm ls testdouble (or yarn list testdouble) version: 3.20.2
Failing Test
  • Fork the repo
  • Add a failing test (probably to the `/regression/src' directory)
  • Submit a pull request for the failing test or link to your branch here
Example Repo
  • Create a minimal repository that reproduces the issue
  • Make sure that a fresh clone can run only npm it and observe the issue
  • Link to that repo here
Runkit Notebook
  • Create a Runkit notebook
  • Invoke var td = require('testdouble') at the top
  • Verify the behavior your issue is concerned with by clicking "Run"
  • Link to the Runkit here
Code-fenced Examples
var td = require('testdouble')

// Your steps here.
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JavaScript
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  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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