Update app.py #268

	name: Tests

	on:
	push:
	branches:
	- main

	pull_request:
	branches:
	- main

	jobs:
	test:
	strategy:
	max-parallel: 6
	matrix:
	os: [ ubuntu-latest, windows-latest, macos-latest ]
	python-version: [ '3.10', '3.11', '3.12' ]
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'

	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest pytest-cov
	pip install -r requirements.txt
	pip install -r tests/requirements.txt

	- name: Run unit tests
	run: \|
	python -m pytest tests/ --cov=BookingSystem --cov-report=xml

	- uses: codecov/codecov-action@v4
	with:
	file: ./coverage.xml

Provide feedback