feat(*): support default database #285

# to view logs

	name: unit_tests
	on: [pull_request]

	jobs:
	test:
	strategy:
	fail-fast: false
	matrix:
	luaVersion: ["luajit-openresty"]

	services:
	redis:
	image: bitnami/redis
	env:
	REDIS_PASSWORD: password
	ports:
	- 6379:6379
	options: >-
	--health-cmd "redis-cli ping"
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	memcached:
	image: memcached
	ports:
	- 11211:11211

	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Setup environment
	run: docker build dev/ -t resty-session

	- name: Run tests
	run: docker run --network=host -v $PWD:/test -w /test resty-session bash -c "luarocks make && make unit"

	- name: Generate report
	run: docker run --network=host -v $PWD:/test -w /test resty-session bash -c "luarocks make && luacov"

	- name: Print report summary
	run: docker run --network=host -v $PWD:/test -w /test resty-session sed -n '/Summary/,$p' luacov.report.out

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