add thumb_hash depdency #300

	name: Test

	on: [push]

	jobs:
	test:
	strategy:
	matrix:
	ruby-version:
	- "2.7" # FV --> This version is nearing its end of life. Consider upgrading those projects and stop supporting it in Shimmer.
	- "3.0" # APP, TF, EZ
	- "3.1" # KS, CC, RS, ANY, pixelpress, screamshot, accounting
	# NOT COVERERED:
	# - "2.4" # office, GT
	# - "2.6" # Flink --> This version not longer installs with rbenv as of macOS 13 (Ventura).
	gemfile:
	- "rails-7-0"
	# Rails < 7.0 cannot be tested, since the demo app is using Propshaft (needs Rails >= 7.0.0).
	runs-on: ubuntu-latest
	env:
	BUNDLE_GEMFILE: ${{ github.workspace }}/gemfiles/Gemfile-${{ matrix.gemfile }}
	steps:
	- name: Install libvips
	run: sudo apt-get update && sudo apt-get install -y libvips
	- uses: actions/checkout@v2
	- name: Set up Ruby ${{ matrix.ruby-version }}
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby-version }}
	bundler-cache: true
	- uses: actions/setup-node@v3
	with:
	node-version: "16.x"
	cache: "yarn"
	- name: Install JS/TS Dependencies
	run: yarn install
	- name: Lint JS/TS
	run: yarn lint
	- name: Build JS/TS
	run: yarn build
	- name: Lint Ruby
	# Does not work on 2.7: Known
	# Does not work on 3.1: Issue to fix in https://github.com/nerdgeschoss/shimmer/issues/59
	if: ${{ matrix.ruby-version == '3.0' }}
	run: bundle exec rubocop -c .rubocop.yml
	- name: Ruby Tests
	run: (cd spec/rails_app && bin/rails assets:precompile) && bin/rspec --format documentation
	env:
	RAILS_ENV: test
	RSPEC_RETRY_RETRY_COUNT: 3

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