Add unit tests to improve code coverage #8

	name: CI

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]
	workflow_dispatch: # allows manual triggering

	jobs:
	ci:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	fetch-depth: 0 # Needed for codecov

	- name: Install Rust
	uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	components: rustfmt, clippy

	- name: Cache cargo registry
	uses: actions/cache@v4
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	~/.cargo/bin
	key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
	restore-keys: \|
	${{ runner.os }}-cargo-registry-

	- name: Cache target directory
	uses: actions/cache@v4
	with:
	path: target
	key: ${{ runner.os }}-target-${{ hashFiles('**/Cargo.lock') }}
	restore-keys: \|
	${{ runner.os }}-target-

	- name: Install make
	run: sudo apt-get install -y make

	- name: Run CI checks
	run: make ci

	- name: Install cargo-tarpaulin
	run: \|
	if ! command -v cargo-tarpaulin &> /dev/null; then
	cargo install cargo-tarpaulin
	fi

	- name: Generate test coverage
	run: cargo tarpaulin --verbose --all-features --workspace --timeout 120 --out xml

	- name: Debug coverage files
	run: \|
	ls -la
	if [ -f cobertura.xml ]; then
	echo "Coverage file found, size:"
	wc -l cobertura.xml
	echo "First few lines:"
	head -20 cobertura.xml
	else
	echo "No cobertura.xml file found"
	fi

	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v5
	with:
	token: ${{ secrets.CODECOV_TOKEN }}
	slug: simeg/git-x
	files: ./cobertura.xml
	fail_ci_if_error: false

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