Test

document configured external runners #350

	name: Test
	on:
	pull_request:

	# Cancel in-progress runs for the same PR to save resources
	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	# Minimal permissions for testing
	permissions:
	contents: read

	jobs:
	test:
	name: test
	runs-on: ubuntu-latest
	env:
	MDBOOK_VERSION: 0.5.1
	MDBOOK_OUTPUT__LINKCHECK__WARNING_POLICY: error
	RUN_BLACKSMITH: 1
	steps:
	# Checkout repository without persisting credentials to reduce attack surface
	- uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
	with:
	persist-credentials: false
	- name: Install mdbook
	run: curl -sSL https://github.com/rust-lang/mdBook/releases/download/v${MDBOOK_VERSION}/mdbook-v${MDBOOK_VERSION}-x86_64-unknown-linux-gnu.tar.gz \| tar -xz
	- name: Install mdbook-linkcheck2
	run: cargo install mdbook-linkcheck2@0.12.0 --locked
	- name: Check blacksmith format
	run: cargo fmt --check --manifest-path=blacksmith/Cargo.toml
	- name: Build book
	run: ./mdbook build

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