Tests

ci: Run clippy; update versions; add overall success #1661

Workflow file for this run

	name: Tests

	permissions:
	contents: read

	on:
	pull_request:
	paths:
	- ".cargo/*.toml"
	- ".github/workflows/tests.yml"
	- "Cargo.*"
	- "mutants_attrs/**"
	- "src/**"
	- "testdata/**"
	- "tests/**"

	push:
	branches:
	- main
	# Actions doesn't support YAML references, so it's repeated here
	paths:
	- ".cargo/*.toml"
	- ".github/workflows/tests.yml"
	- "Cargo.*"
	- "mutants_attrs/**"
	- "src/**"
	- "testdata/**"
	- "tests/**"

	# see https://matklad.github.io/2021/09/04/fast-rust-builds.html
	env:
	CARGO_TERM_COLOR: always
	CARGO_INCREMENTAL: 0
	CARGO_NET_RETRY: 10
	CI: 1
	RUST_BACKTRACE: short
	RUSTFLAGS: "-W rust-2021-compatibility"
	RUSTUP_MAX_RETRIES: 10
	CARGO_MUTANTS_MINIMUM_TEST_TIMEOUT: 60

	jobs:
	# Before anything else, run a quick test on just stable: this is significantly
	# faster than Windows or macOS and should catch most issues, and lets us get
	# started on the longer-running mutants and other tests.
	#
	# Also, build a Linux binary that we can use for the later mutants runs.
	quick-test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: beta
	components: rustfmt, clippy
	- uses: Swatinem/rust-cache@v2
	- name: Show Cargo and rustc version
	run: \|
	cargo --version
	rustc --version
	# TODO: Maybe also check clippy and rustfmt here.
	- name: Build
	run: cargo build --all-targets
	- uses: taiki-e/install-action@v2
	name: Install nextest using install-action
	with:
	tool: nextest
	- name: Test
	run: cargo test --workspace
	- name: Check rustfmt
	run: cargo fmt --all --check
	- name: Check clippy
	run: cargo clippy --all-targets --all-features -- -D warnings
	- name: Build release binary
	run: cargo build --release
	- name: Upload binary artifact
	uses: actions/upload-artifact@v4
	with:
	name: cargo-mutants-linux
	path: \|
	target/release/cargo-mutants

	test:
	needs: [quick-test]
	strategy:
	matrix:
	os: [macOS-latest, ubuntu-latest, windows-latest]
	version: [stable, nightly, "1.74"]
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.version }}
	components: rustfmt, clippy
	- name: Show Cargo and rustc version
	run: \|
	cargo --version
	rustc --version
	- uses: Swatinem/rust-cache@v2
	- name: rustfmt
	run: cargo fmt --all -- --check
	- uses: taiki-e/install-action@v2
	name: Install nextest using install-action
	with:
	tool: nextest
	- name: Build
	run: cargo build --all-targets
	- name: Test
	run: cargo test --workspace

	minimal-versions:
	needs: [quick-test]
	strategy:
	matrix:
	os: [macOS-latest, ubuntu-latest, windows-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@nightly
	- uses: Swatinem/rust-cache@v2
	- run: cargo +nightly -Zdirect-minimal-versions update
	- run: cargo build --all-targets
	- uses: taiki-e/install-action@v2
	name: Install nextest using install-action
	with:
	tool: nextest
	- run: cargo test

	# Run `cargo update` and check the tests still pass
	maximal-versions:
	needs: [quick-test]
	strategy:
	matrix:
	os: [macOS-latest, ubuntu-latest, windows-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@nightly
	- uses: Swatinem/rust-cache@v2
	- run: cargo update
	- uses: taiki-e/install-action@v2
	name: Install nextest using install-action
	with:
	tool: nextest
	- run: cargo test

	tests-from-tarball:
	needs: [quick-test]
	strategy:
	matrix:
	os: [ubuntu-latest]
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@nightly
	- uses: Swatinem/rust-cache@v2
	- run: cargo package --no-verify
	- name: Upload package artifact
	uses: actions/upload-artifact@v4
	with:
	name: cargo-mutants-package
	path: \|
	target/package
	- name: Unpack package
	run: \|
	cd target/package
	ls -l
	tar xvf cargo-mutants*.crate
	- name: Install nextest using install-action
	uses: taiki-e/install-action@v2
	with:
	tool: nextest
	- name: Run tests from package
	run: \|
	cd target/package/cargo-mutants-..[0-9]
	cargo test

	# Install from a checkout of the source, to find broken dependencies etc.
	# We run this on various versions because some dependencies might have changed
	# their MSRV, and on every platform because there are platform-specific
	# dependencies.
	install:
	needs: [quick-test]
	strategy:
	matrix:
	os: [macOS-latest, ubuntu-latest, windows-latest]
	version: [stable, nightly, "1.74"]
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{ matrix.version }}
	- name: Show Cargo and rustc version
	run: \|
	cargo --version
	rustc --version
	- uses: Swatinem/rust-cache@v2
	- run: cargo install --locked --path .
	- run: cargo install --path .

	pr-mutants:
	runs-on: ubuntu-latest
	if: github.event_name == 'pull_request'
	needs: [quick-test]
	strategy:
	matrix:
	test_tool: [cargo, nextest]
	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0
	- name: Relative diff
	run: \|
	git branch -av
	git diff origin/${{ github.base_ref }}.. \| tee git.diff
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: beta
	- uses: Swatinem/rust-cache@v2
	- uses: taiki-e/install-action@v2
	name: Install nextest using install-action
	with:
	tool: nextest
	- name: Download cargo-mutants binary
	uses: actions/download-artifact@v4
	with:
	name: cargo-mutants-linux
	- name: Install cargo-mutants binary
	run: \|
	install cargo-mutants ~/.cargo/bin/
	- name: Mutants in-diff
	# Normally this would have --in-place, but for the sake of exercising more cases, it does not.
	run: >
	cargo mutants --no-shuffle -vV --in-diff git.diff
	--test-tool=${{matrix.test_tool}} --timeout=500 --build-timeout=500
	- name: Archive mutants.out
	uses: actions/upload-artifact@v4
	if: always()
	with:
	name: mutants-incremental-${{ matrix.test_tool}}.out
	path: mutants.out

	cargo-mutants:
	runs-on: ubuntu-latest
	needs: [quick-test]
	strategy:
	fail-fast: false # We want to get all the mutant failures
	matrix:
	shard: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
	test_tool: [cargo]
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: beta
	- uses: Swatinem/rust-cache@v2
	- uses: taiki-e/install-action@v2
	name: Install nextest using install-action
	with:
	tool: nextest
	- name: Download cargo-mutants binary
	uses: actions/download-artifact@v4
	with:
	name: cargo-mutants-linux
	- name: Install cargo-mutants binary
	run: \|
	install cargo-mutants ~/.cargo/bin/
	- name: Mutants
	# Skip baselines because this job only runs after the baseline has been separately run.
	run: >
	cargo mutants --no-shuffle -vV --shard ${{ matrix.shard }}/10
	--test-tool ${{ matrix.test_tool }} --baseline=skip --timeout=500
	--build-timeout=500 --in-place
	- name: Archive mutants.out
	uses: actions/upload-artifact@v4
	if: always()
	with:
	name: mutants-${{matrix.test_tool}}-shard${{matrix.shard}}.out
	path: mutants.out

	typos:
	name: Spell check with Typos
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Check spelling
	uses: crate-ci/typos@master

	overall-result:
	needs:
	[
	quick-test,
	test,
	minimal-versions,
	maximal-versions,
	tests-from-tarball,
	install,
	pr-mutants,
	cargo-mutants,
	typos,
	]
	runs-on: ubuntu-latest
	if: always()
	steps:
	- name: Successful workflow
	if: ${{ !(contains(needs.*.result, 'failure')) }}
	run: exit 0
	- name: Failing workflow
	if: ${{ contains(needs.*.result, 'failure') }}
	run: exit 1

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ci: Run clippy; update versions; add overall success #1661

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