Refactor: Add list_select_related for performance improvement #622

	name: Test

	on:
	push:
	branches:
	- main
	- master
	pull_request:

	jobs:
	build:
	name: build (Python ${{ matrix.python-version }}, Django ${{ matrix.django-version }}, DRF ${{ matrix.drf-version }})
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	max-parallel: 5
	matrix:
	python-version: [ '3.8', '3.9', '3.10', '3.11']
	django-version: ['3.2', '4.1', '4.2']
	drf-version: ['3.12', '3.13', '3.14']
	exclude:
	# DRF 3.13 is not compatible with Django 4.2.
	- django-version: '4.2'
	drf-version: '3.13'

	steps:
	- uses: actions/checkout@v2

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Get pip cache dir
	id: pip-cache
	run: \|
	echo "::set-output name=dir::$(pip cache dir)"

	- name: Cache
	uses: actions/cache@v2
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key:
	${{ matrix.python-version }}-v1-${{ hashFiles('**/setup.py') }}
	restore-keys: \|
	${{ matrix.python-version }}-v1-

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install --upgrade tox tox-gh-actions

	- name: Tox tests
	run: \|
	tox -v
	env:
	DJANGO: ${{ matrix.django-version }}
	DRF: ${{ matrix.drf-version }}

	- name: Upload coverage
	uses: codecov/codecov-action@v1
	with:
	name: Python ${{ matrix.python-version }}

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