Unit tests on push to master, add test status (and other) badges #1029

	# Based on https://www.scala-sbt.org/1.x/docs/GitHub-Actions-with-sbt.html
	# optimization: https://github.com/marketplace/actions/skip-duplicate-actions#usage-examples

	name: Compiler tests

	on:
	push:
	branches:
	- "master"
	pull_request:
	types: [assigned, opened, synchronize, reopened, ready_for_review]

	jobs:
	pre_job:
	runs-on: ubuntu-latest
	if: github.event.pull_request.draft == false
	outputs:
	should_skip: ${{ steps.skip_check.outputs.should_skip }}
	steps:
	- id: skip_check
	uses: fkirc/skip-duplicate-actions@master
	with:
	paths: '["compiler/**"]'

	sbt:
	needs: pre_job
	if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- name: Setup JDK
	uses: actions/setup-java@v2
	with:
	distribution: temurin
	java-version: 17
	- uses: actions/setup-python@v1
	with:
	python-version: '3.10'
	- name: install dependencies
	run: pip install -r requirements.txt
	- name: sbt test
	run: cd compiler && sbt -v +test

	scalafmt-lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Checking the code with scalafmt
	uses: AvaPL/scalafmt-native-formatter@v0
	with:
	conf-path: compiler/.scalafmt.conf

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