Implement coverage testing with codecov.io #1

	name: Build + Test

	on:
	push:
	branches:
	- main
	- dev
	- alpha-dev
	pull_request:
	branches:
	- main
	- dev
	- alpha-dev
	workflow_dispatch:

	jobs:
	coverage:
	runs-on: ubuntu-latest
	name: Coverage Testing

	defaults:
	run:
	# Conda requires a login shell in order to work properly
	shell: bash -l {0}

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 0

	- name: Create Helios dev environment
	uses: conda-incubator/setup-miniconda@v3
	with:
	auto-update-conda: true
	auto-activate-base: false
	activate-environment: helios-dev
	environment-file: environment-dev.yml
	python-version: "3.13"
	miniconda-version: "latest"

	- name: Install Conda GCC
	run: \|
	conda install -y -c conda-forge gcc gxx

	- name: Install LCov
	run: \|
	sudo apt install lcov

	- name: Install Helios (editable)
	run: \|
	python -m pip install --no-build-isolation --config-settings=build-dir="build" --config-settings=cmake.define.CMAKE_CXX_FLAGS="--coverage" -v -e .
	env:
	SETUPTOOLS_SCM_SUBPROCESS_TIMEOUT: "120"

	- name: Run C++ test suite
	run: \|
	helios --test

	- name: Run PyTest test suite
	run: \|
	python -m pytest --cov --cov-report=xml

	- name: Collect C++ coverage report
	run: \|
	lcov --directory build --capture --output-file coverage.info --ignore-errors mismatch

	- name: Upload coverage to CodeCov
	uses: codecov/codecov-action@v5
	with:
	fail_ci_if_error: true
	files: ./coverage.info,./coverage.xml
	verbose: true

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