Increase confidence in Dialyzer and Xref results #127

	name: Common Test

	on:
	pull_request:
	branches:
	- 'main'
	push:
	branches:
	- 'main'

	jobs:
	build:
	name: Test on OTP ${{ matrix.otp_version }} and ${{ matrix.os }}
	runs-on: ${{ matrix.os }}

	strategy:
	fail-fast: false
	matrix:
	include:
	- otp_version: 25
	os: ubuntu-22.04
	rebar3_version: 3.22
	- otp_version: 24
	os: ubuntu-22.04
	rebar3_version: 3.22
	- otp_version: 23
	os: ubuntu-20.04
	rebar3_version: 3.18
	- otp_version: 22
	os: ubuntu-20.04
	rebar3_version: 3.18

	steps:
	- uses: actions/checkout@v4

	- uses: erlef/setup-beam@v1
	id: setup-beam
	with:
	otp-version: ${{ matrix.otp_version }}
	rebar3-version: ${{ matrix.rebar3_version }}

	- name: Restore _build
	uses: actions/cache@v3
	with:
	path: _build
	key: "_build-cache-for\
	-os-${{ matrix.os }}\
	-otp-${{ steps.setup-beam.outputs.otp-version }}\
	-rebar3-${{ steps.setup-beam.outputs.rebar3-version }}\
	-hash-${{ hashFiles('rebar.lock') }}"

	- name: Restore rebar3's cache
	uses: actions/cache@v3
	with:
	path: ~/.cache/rebar3
	key: "rebar3-cache-for\
	-os-${{ matrix.os }}\
	-otp-${{ steps.setup-beam.outputs.otp-version }}\
	-rebar3-${{ steps.setup-beam.outputs.rebar3-version }}\
	-hash-${{ hashFiles('rebar.lock') }}"

	- name: Compile
	run: rebar3 compile
	- name: EUnit tests
	run: rebar3 eunit
	- name: Dialyzer
	run: rebar3 dialyzer
	- name: XRef
	run: rebar3 xref

	- name: Covertool
	run: rebar3 covertool generate
	- uses: codecov/codecov-action@v4
	with:
	files: _build/test/covertool/elli.covertool.xml
	env_vars: OTP_VERSION

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