为add、diff和rm命令添加测试用例#1257

[Ming0213]

此PR完成了r2cn测试任务#1257，为add、diff和rm命令添加测试用例

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
mega	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 30, 2025 0:45am

[Copilot]

Pull Request Overview

This PR adds comprehensive test coverage for three core Git-like commands: add, diff, and rm. The tests validate functionality including basic operations, flag behaviors, error handling, and edge cases for each command.

• Implements test suites for add, diff, and rm commands with multiple scenarios each
• Tests various command-line flags and options (--all, --update, --cached, --staged, --recursive, etc.)
• Validates proper file system interactions and index state changes

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 5 comments.

File	Description
libra/tests/command/add_test.rs	Adds 6 test cases covering single/multiple file addition, --all flag, --update flag, ignore patterns, and dry-run functionality
libra/tests/command/diff_test.rs	Adds 6 test cases covering basic diff, staged changes, commit comparisons, pathspec filtering, output redirection, and algorithm selection
libra/tests/command/remove_test.rs	Adds 7 test cases covering single file removal, --cached flag, recursive directory removal, error conditions, and multiple file operations

Comments suppressed due to low confidence (2)

libra/tests/command/remove_test.rs:196

• The test expects the remove command to succeed but not remove anything when trying to remove a directory without the recursive flag. This behavior should be verified with additional assertions to ensure the command actually behaves as expected (e.g., checking return value or error status).

    .unwrap(); // This should not error, but it should not remove anything either

libra/tests/command/remove_test.rs:224

• The test expects an error message to be printed when trying to remove an untracked file, but only verifies that no panic occurs. The test should verify the actual error behavior or status code rather than just asserting no panic.

    .unwrap(); // Should not panic but should print error

[genedna]

@Ming0213 ， 你要在 Commit 的时候使用 -s -S 两个参数进行签名，另一个方面要修复当前 Action 中提示的 Clippy 错误

[Ming0213]

@Ming0213 ， 你要在 Commit 的时候使用 -s -S 两个参数进行签名，另一个方面要修复当前 Action 中提示的 Clippy 错误

请问我是需要重新commit然后重新申请一个PR吗

[genedna]

@Ming0213 ， 你要在 Commit 的时候使用 -s -S 两个参数进行签名，另一个方面要修复当前 Action 中提示的 Clippy 错误

请问我是需要重新commit然后重新申请一个PR吗

你参考这个文档，https://github.com/web3infra-foundation/mega/blob/main/docs/contributing.md

[genedna]

@Ming0213 ， 请继续修复 Clippy 的错误