feat: Add mutations testing to Github Actions #4

	name: Mutations testing
	on:
	push:
	branches: ["main", "development"]
	paths:
	- "src/**"
	- "tests/**"
	pull_request:

	concurrency:
	group: "${{ github.workflow }} @ ${{ github.event.pull_request.head.label \|\| github.head_ref \|\| github.ref }}"
	cancel-in-progress: true

	jobs:
	mutations-testing:
	name: Run mutations testing
	runs-on: ubuntu-22.04
	steps:
	- name: Check out repository
	uses: actions/checkout@v4

	- name: Install Stryker tool
	run: dotnet tool install -g dotnet-stryker

	- name: Run unit tests
	uses: ./.github/actions/run-mutations-testing
	with:
	solution_path: plan-technology-for-your-school.sln

	- name: Get summary
	run: \|
	# Find the mutation report file
	MUTATION_FILE=$(find StrykerOutput -type f -name "mutation-report.md")

	if [ -n "$MUTATION_FILE" ]; then
	FINAL_SCORE=$(grep -m 1 'The final mutation score is' "$MUTATION_FILE")
	COVERAGE_THRESHOLDS=$(grep -m 1 'Coverage Thresholds:' "$MUTATION_FILE")

	# Combine the results into a single variable
	RESULTS="$FINAL_SCORE\n$COVERAGE_THRESHOLDS"

	# Set the environment variable
	echo "MUTATION_RESULTS<<EOF" >> $GITHUB_ENV
	echo -e "$RESULTS" >> $GITHUB_ENV
	echo "EOF" >> $GITHUB_ENV
	else
	echo "No mutation report found."
	exit 1
	fi

	- name: Comment results
	uses: ./.github/actions/post-pr-comment
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	github_actor: ${{ github.actor }}
	github_event_name: ${{ github.event_name }}
	github_workflow: ${{ github.workflow }}
	content: ${{ env.MUTATION_RESULTS }}

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