Merge pull request #292 from willroberts/update-docs #326

	name: unit_tests

	on:
	push:
	branches:
	- main
	pull_request:
	paths:
	- app/**
	- config/**
	- gulp/**
	- gulpfile.babel.js
	- package.json
	- server/**
	- test/**
	- worker/**
	- yarn.lock

	jobs:
	unit_tests:
	runs-on: ubuntu-latest
	steps:
	- name: check out code
	uses: actions/checkout@v3

	- name: install system dependencies
	run: sudo apt-get install -y libpng-dev

	- name: install node.js
	uses: actions/setup-node@v3
	with:
	node-version: 18

	# Caching node_modules saves 50s on builds which don't modify dependencies.
	# Compared to yarn caching, it saves an additional 27 seconds.
	- name: cache node_modules
	uses: actions/cache@v3
	with:
	path: /home/runner/work/duelyst/duelyst/node_modules
	key: node-modules-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	node-modules-

	- name: redirect git ssh to https
	run: \|
	git config --global url."https://github.com/".insteadOf git@github.com:
	git config --global url."https://".insteadOf git://

	- name: install node dependencies
	run: yarn install --dev

	- name: run unit tests
	run: yarn test:unit

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