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Tdd

Skill TashanGKD/cc_plugins/.claude/skills/tdd

测试驱动开发(TDD)流程助手。严格遵循红-绿-重构循环,包含会话状态管理、测试运行策略、Git 提交规范。用户提到 TDD、测试先行、红绿重构时使用。From its SKILL.md

Install
npx -y skills add TashanGKD/cc_plugins --skill tdd

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SKILL.md

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TDD 编程模式

快速反馈是 TDD 的核心

严格遵循测试驱动开发(Test-Driven Development)流程:红 → 绿 → 重构。


1. TDD 循环

1.1 🔴 红 - 编写失败的测试

pytest tests/test_new_feature.py -v

Git:git commit -m "test: 添加 xxx 功能的失败测试"

1.2 🟢 绿 - 编写最少代码使测试通过

pytest tests/test_new_feature.py -v

Git:git commit -m "feat: 实现使测试通过的 xxx 功能"

1.3 ♻️ 重构 - 在测试保护下优化代码

pytest tests/test_module.py -v

Git:git commit -m "refactor: 重构 xxx 功能代码"


2. 测试运行策略

场景命令
开发单个功能pytest tests/test_xxx.py
调试特定测试pytest -k "test_login"
重跑失败测试pytest --lf
失败优先pytest --ff
按类型运行pytest -m unit

提交前验证:pytest && uv run ruff check && uv run mypy .


3. 测试规范

规范要求
AAA 模式Arrange → Act → Assert
命名规范test_<功能>_<条件>_<期望>
单一职责一个测试一个行为,≤20 行
测试金字塔单元 70% / 集成 20% / E2E 10%
覆盖率核心 ≥80%,整体 ≥70%

4. Git 提交规范

阶段前缀示例
红(测试)test:test: 添加用户登录的失败测试
绿(实现)feat:feat: 实现用户登录功能
重构refactor:refactor: 优化登录验证逻辑
修复fix:fix: 修复登录验证 bug

5. TDD 会话模式

运行 /tdd 时自动管理会话状态,保存在 tmp/tdd-session-<timestamp>.json。

会话信息包括:

  • 当前阶段(红/绿/重构)
  • 迭代次数
  • 测试文件和结果
  • Git commit 数量
# 查看会话状态
/tdd --status

# 取消会话
rm tmp/tdd-session-*.json

快速反馈 → 快速迭代 → 高质量代码

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