Test

Bump rubocop-rails from 2.20.2 to 2.21.2 #778

	# Based on;
	# https://github.com/actions/example-services/blob/master/.github/workflows/postgres-service.yml
	# https://docs.publishing.service.gov.uk/manual/test-and-build-a-project-with-github-actions.html
	# https://andycroll.com/ruby/github-actions-ci-for-rails-with-postgresql/
	# https://docs.github.com/en/actions/guides/creating-postgresql-service-containers

	name: Test

	on: [push]

	jobs:
	build:
	runs-on: ubuntu-latest

	env:
	RAILS_ENV: test
	REDIS_URL: redis://localhost:6379

	services:
	postgres:
	# Docker Hub image
	image: postgres:latest
	ports:
	# Maps tcp port 5432 on service container to the host
	- 5432:5432
	# Provide the password for postgres
	env:
	POSTGRES_PASSWORD: postgres
	# Set health checks to wait until postgres has started
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5

	steps:
	- uses: actions/checkout@v2
	- uses: ruby/setup-ruby@v1
	with: # uses version defined in `.ruby-version` file
	bundler-cache: true # runs 'bundle install' and caches installed gems automatically

	- name: Create database
	# Environment variable used to create a new PostgreSQL client.
	env:
	POSTGRES_HOST: localhost
	POSTGRES_PORT: 5432
	POSTGRES_PASSWORD: postgres
	DATABASE_URL: postgres://postgres:postgres@localhost:5432
	run: \|
	bundler exec rails db:setup

	- name: Run Rspec
	env:
	DATABASE_URL: postgres://postgres:postgres@localhost:5432
	run: bin/rspec

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