Tests

Do not produce invalid trees when no-op instances of append_id or prepend_id operations are performed. #58

	name: Tests

	on:
	pull_request:
	push:
	branches:
	- "master"

	jobs:
	format:
	name: Format code
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt
	- run: cargo fmt -- --check

	clippy:
	name: Clippy check
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: dtolnay/rust-toolchain@stable
	with:
	components: clippy
	- uses: Swatinem/rust-cache@v2
	- run: cargo clippy --all-targets --all-features -- --deny warnings

	test:
	name: Test code
	runs-on: ubuntu-latest
	strategy:
	matrix:
	rust_version: [stable, beta, nightly]
	fail-fast: false
	steps:
	- uses: actions/checkout@v3
	- uses: dtolnay/rust-toolchain@master
	with:
	toolchain: ${{matrix.rust_version}}
	- uses: Swatinem/rust-cache@v2
	with:
	key: ${{matrix.rust_version}}
	- run: cargo update
	- run: cargo test --all-features

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