cargo-llvm-cov
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Visit| Fact | cargo-llvm-cov | Coverage.py |
|---|---|---|
| Coverage types | It generates line and region coverage, while branch coverage is optional and currently requires nightly Rust. | It measures statement coverage by default and can also measure branch coverage. |
| Installation | It can be installed from source with Cargo, as a prebuilt release binary, through GitHub Actions, Homebrew, Scoop, cargo-binstall, pacman, or FreeBSD ports. | The documented installation command is `python3 -m pip install coverage`. |
| License | The project is available under either the Apache License 2.0 or the MIT License, at the user's option. | Coverage.py is licensed under the Apache 2.0 License. |
| Purpose | cargo-llvm-cov is a Cargo subcommand that wraps rustc’s LLVM source-based code coverage instrumentation. | Coverage.py measures which parts of Python programs ran and identifies executable code that did not run, commonly to gauge test effectiveness. |
| Report formats | Coverage reports can be generated as text, HTML, JSON, LCOV, Cobertura XML, or Codecov Custom Coverage format. | Reports can be emitted as text, HTML, XML, LCOV, or JSON. |
cargo-llvm-cov suits Rust developers who want coverage reports from common Cargo test and run workflows. It can also cover linked C or C++ code when compatible Clang and LLVM tools are configured.
Coverage.py is for developers measuring how much of their Python code their tests exercise. Its report formats and dynamic contexts can help teams inspect coverage in different ways.