单元测试

Rust 和 Cargo 随附了一个简单的单元测试框架：

  • 单元测试在您的整个代码中都受支持。

  • 您可以通过 tests/ 目录来支持集成测试。

Tests are marked with #[test]. Unit tests are often put in a nested tests module, using #[cfg(test)] to conditionally compile them only when building tests.

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  • 这样一来，您可以对专用帮助程序进行单元测试。
  • 仅当您运行 cargo test 时，#[cfg(test)] 属性才有效。

Speaker Notes

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