Renderer suites flake under CPU load: fixed delays before async state (git-components, file-find-dom, mailbox-inbox-components, others)

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难度
3/5
预计耗时
1-2 天
新手友好度
70/100
Issue 类型
缺陷
描述清晰度
基本清楚
活跃度
活跃
技术栈
electron, typescript

调研方向

Run node scripts/test-renderer.mjs to reproduce the flaky suites. Locate the test files for git-components, file-find-dom, and mailbox-inbox-components (likely under a renderer test dir) and replace fixed delay() calls with waits for rendered state or attached listeners. Confirm by running the suites alone and under load until they pass consistently.

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描述

type:bug

Found while fixing #802. On a heavily loaded Mac (load average about 40), a full node scripts/test-renderer.mjs run failed these suites on both attempts. None of them mount the Composer or the editor touched in #802:

  • git-components: environment and branch dropdowns: This Mac (0/2 when run alone). The suite waits a fixed delay(120) after rendering EnvironmentFooter, before the branch/environment fetch lands.
  • file-find-dom: the Find bar opens (1/2). It dispatches Cmd+F 60 ms after mount, so the window keydown listener's effect may not be attached yet.
  • mailbox-inbox-components: expected 3, got 0 (1/2).
  • git-history-components (0 painted of 150 known), governance-components and html-preview-components failed in the full run but passed 2/2 when run alone.

These are the same kind of problem as #802: a fixed delay before asserting on state that arrives through an effect or a promise. Fix: wait for the real signal (the rendered state), and for key or click input, wait until the listener or handler is attached.

主要语言
TypeScript
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