test(uploader): optimize async test cases stability

[Miles-hxy]

Summary by CodeRabbit

• 测试
  • 改进了文件上传模拟，采用更精确的数据表示。
  • 优化了异步操作处理，确保上传流程表现更真实。
  • 加强了错误验证，提升上传失败时的反馈准确性。

[coderabbitai]

Walkthrough

该 PR 对 uploader.spec.tsx 测试文件进行了修改，主要调整了文件上传模拟的执行方式：

• 将文件对象创建方式从字符串数组改为使用指定大小的 ArrayBuffer。
• 将文件变更事件 fireEvent.change 的调用改为异步等待。
• 增加了对上传失败时错误提示的断言。
• 更新了测试描述，标明测试为异步执行。
• 同时修改了导入路径。

Changes

文件路径	修改说明
src/.../uploader.spec.tsx	- 文件对象创建方式由字符串数组变为 ArrayBuffer - 异步处理 fireEvent.change 调用 - 增加上传失败的错误断言 - 测试描述中增加 async 关键词 - 更新导入语句路径

Possibly related PRs

• fix(uploader): beforeUpload should trigger every time before uploading #2553: 修改了文件上传过程中的 beforeUpload 函数及 fileChange 事件逻辑，与本次 PR 在 uploader 功能上存在代码级关联。

Suggested reviewers

• oasis-cloud

Poem

我是一只跳跃的小兔子，
在代码森林中奔跑悠然自得，
文件上传测试变得更加精准，
异步等待让每步都井然有序，
错误处理也不再轻易放过，
我的代码花园芬芳四溢🐰✨
欢庆这一刻，奔向未来！

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📜 Recent review details

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Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 9ada0f8 and 9450ea9.

📒 Files selected for processing (1)

• src/packages/uploader/__tests__/uploader.spec.tsx (5 hunks)

🧰 Additional context used

🧠 Learnings (2)

📓 Common learnings

Learnt from: Alex-huxiyang
PR: jdf2e/nutui-react#2416
File: src/packages/uploader/uploader.taro.tsx:230-230
Timestamp: 2025-03-19T17:11:38.461Z
Learning: When changes are made to the `fileList` state in the `src/packages/uploader/uploader.taro.tsx` file, ensure to generate unit tests to cover these changes.

src/packages/uploader/__tests__/uploader.spec.tsx (1)

Learnt from: Alex-huxiyang
PR: jdf2e/nutui-react#2416
File: src/packages/uploader/uploader.taro.tsx:230-230
Timestamp: 2025-03-19T17:11:38.461Z
Learning: When changes are made to the `fileList` state in the `src/packages/uploader/uploader.taro.tsx` file, ensure to generate unit tests to cover these changes.

⏰ Context from checks skipped due to timeout of 90000ms (1)

• GitHub Check: test

🔇 Additional comments (5)

src/packages/uploader/__tests__/uploader.spec.tsx (5)

6-6: 导入路径更新为使用别名和更明确的类型名称

将导入路径从相对路径更改为使用别名 @/types 并将类型从 FileItem 重命名为 UploaderFileItem（通过别名仍使用 FileItem），这样的修改提高了代码的可维护性和类型的明确性。

---

224-238: 优化异步文件上传测试

通过以下改进提高了测试稳定性：

1. 将测试函数标记为 async
2. 使用 ArrayBuffer 创建固定大小的文件，而不是使用字符串数组
3. 等待 fireEvent.change 事件完成

这些变更使测试更加真实地模拟文件上传过程，并且正确处理异步操作。

---

239-256: 改进文件上传失败测试

优化了上传失败测试的实现：

1. 使用 ArrayBuffer 创建测试文件
2. 等待 fireEvent.change 事件完成
3. 添加了对错误消息的断言验证，确保错误传播正确

添加的断言 await expect(handleUpload()).rejects.toThrow('Upload failed') 很好地验证了错误处理机制。

---

257-285: 优化多文件上传测试

通过以下方式增强了多文件上传测试的稳定性：

1. 将测试函数标记为 async
2. 使用 ArrayBuffer 为所有文件创建固定大小的内容
3. 等待 fireEvent.change 事件完成

这些更改使测试更加稳定，特别是在处理多个文件时的异步行为。

---

286-313: 优化禁用自动上传时的文件处理测试

改进了 autoUpload=false 测试场景：

1. 使用 async 标记测试
2. 使用 ArrayBuffer 创建测试文件
3. 等待 fireEvent.change 事件完成

这些改进确保了即使在不自动上传的情况下，文件处理和验证也能正确执行。

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• 📝 Generate Docstrings

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.49%. Comparing base (9ada0f8) to head (9450ea9).
Report is 3 commits behind head on feat_v3.x.

Additional details and impacted files

@@            Coverage Diff             @@
##           feat_v3.x    #3104   +/-   ##
==========================================
  Coverage      86.49%   86.49%           
==========================================
  Files            280      280           
  Lines          18492    18492           
  Branches        2775     2775           
==========================================
  Hits           15994    15994           
  Misses          2493     2493           
  Partials           5        5           

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