[test] Move mock_bin to testutil

[joshlf]

---

• 　 [test] Store mock state in memory, not filesystem #253
• 👉 [test] Move mock_bin to testutil #252

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[gemini-code-assist]

Summary of Changes

Hello @joshlf, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request focuses on restructuring the project's test utilities by relocating the mock_bin executable. It transitions mock_bin from being a standalone binary associated with the main crate's test suite to being an integrated binary within the testutil crate, enhancing modularity and organization. This change also introduces a new dependency to the testutil crate, likely supporting the functionality of the moved binary.

Highlights

• Refactoring mock_bin: The mock_bin binary, previously defined within the main crate's Cargo.toml and located in tests/support/, has been moved to become a binary of the testutil crate.
• Dependency Update: The testutil crate now includes a new dependency on the gix crate, specifically with the blocking-network-client feature enabled.

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[gemini-code-assist]

Code Review

This pull request refactors the test utilities by moving the mock_bin binary from the main test support directory into the testutil crate. This is a good change for better code organization. My review includes a suggestion to optimize the new gix dependency in testutil to reduce unnecessary features, which can help with compile times and dependency size.

[joshlf]

/gemini review

[gemini-code-assist]

Code Review

This pull request successfully refactors the test setup by moving the mock_bin utility into the testutil crate, which is a great improvement for modularity. The use of escargot to build the mock binary dynamically is a clean and effective approach. The overall implementation is solid, and the suggestion to improve error messages in the test setup code remains valid to aid in debugging potential build failures.