Add coverage to our test workflow #1996

	name: Lint and test
	# This workflow runs linting and tests on all pull requests and pushes to the main branch.
	# It includes Markdown linting, Cairo formatting checks, running tests with coverage,
	# and uploading the coverage report to Codecov.

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	lint_and_test:
	name: Lint and test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Extract scarb version
	run: \|
	SCARB_VERSION=$(grep 'scarb-version = ' Scarb.toml \| sed 's/scarb-version = "$.*$"/\1/')
	echo "SCARB_VERSION=$SCARB_VERSION" >> "$GITHUB_ENV"

	- uses: software-mansion/setup-scarb@v1
	with:
	scarb-version: ${{ env.SCARB_VERSION }}

	- name: Extract foundry version
	run: \|
	FOUNDRY_VERSION=$(grep 'snforge_std = ' Scarb.toml \| sed 's/snforge_std = "$.*$"/\1/')
	echo "FOUNDRY_VERSION=$FOUNDRY_VERSION" >> "$GITHUB_ENV"

	- uses: foundry-rs/setup-snfoundry@v3
	with:
	starknet-foundry-version: ${{ env.FOUNDRY_VERSION }}

	- name: Install cairo-coverage
	run: curl -L https://raw.githubusercontent.com/software-mansion/cairo-coverage/main/scripts/install.sh \| sh

	- name: Markdown lint
	uses: DavidAnson/markdownlint-cli2-action@db43aef879112c3119a410d69f66701e0d530809 # v16
	with:
	globs: \|
	*.md
	!PULL_REQUEST_TEMPLATE.md

	- name: Cairo lint
	run: scarb fmt --check --workspace

	- name: Run tests and generate coverage report
	run: snforge test --workspace --coverage

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v4
	with:
	file: ./coverage.lcov
	token: ${{ secrets.CODECOV_TOKEN }}

Provide feedback