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actions-rs-llvm-coverage

This GitHub Action runs the cargo test command on a Rust language project and calculates the source based code coverage of the tests.

Example workflow

name: codecoverage

on: [ push, pull_request ]

jobs:
  test_coverage:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
    - uses: actions-rs/toolchain@v1.0.6
      with:
        toolchain: nightly
        components: llvm-tools-preview
    - uses: actions-rs/cargo@v1
      with:
        command: install
        toolchain: nightly
        args: cargo-binutils
    - name: cargo test coverage (source based)
      uses: JulianSchmid/actions-rs-llvm-coverage@v1

Arguments

Name	Required	Description	Type	Default
use-cross		Use cross instead of cargo	bool	false

TODO

• Codecov integration
  • With merged reports
  • Seperated reports?
• HTML Report
• Doctest support
• Remove cross?

References

• The Rust Unstable Book: source-based-code-coverage
• Rust Blog Post: Source-based code coverage in nightly
• cargo_metadata crate