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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

DISTUTILS_EXT=1
DISTUTILS_USE_PEP517=setuptools
PYTHON_COMPAT=( python3_{10..12} pypy3 )
PYTHON_REQ_USE="threads(+),sqlite(+)"

inherit distutils-r1 pypi

DESCRIPTION="Code coverage measurement for Python"
HOMEPAGE="
	https://coverage.readthedocs.io/en/latest/
	https://github.com/nedbat/coveragepy/
	https://pypi.org/project/coverage/
"

LICENSE="BSD"
SLOT="0"
KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~x64-macos"

RDEPEND="
	$(python_gen_cond_dep '
		dev-python/tomli[${PYTHON_USEDEP}]
	' 3.{9..10})
"
BDEPEND="
	test? (
		dev-python/flaky[${PYTHON_USEDEP}]
		dev-python/hypothesis[${PYTHON_USEDEP}]
		dev-python/pytest-xdist[${PYTHON_USEDEP}]
		>=dev-python/unittest-mixins-1.4[${PYTHON_USEDEP}]
	)
"

distutils_enable_tests pytest

src_prepare() {
	sed -i -e '/addopts/s:-q -n auto::' pyproject.toml || die
	distutils-r1_src_prepare
}

test_tracer() {
	local -x COVERAGE_CORE=${1}
	einfo "  Testing with the ${COVERAGE_CORE} core ..."
	epytest -p flaky -p hypothesis -p xdist tests
}

python_test() {
	local EPYTEST_DESELECT=(
		# TODO: fails because of additional "Terminated" print on SIGTERM
		tests/test_concurrency.py::SigtermTest::test_sigterm_threading_saves_data
		# broken because of pytest plugins explicity loaded
		tests/test_debug.py::ShortStackTest::test_short_stack{,_skip}
		# these expect specific availability of C extension matching
		# COVERAGE_CORE (which breaks testing pytracer on CPython)
		tests/test_cmdline.py::CmdLineStdoutTest::test_version
		tests/test_debug.py::DebugTraceTest::test_debug_sys_ctracer
	)
	local EPYTEST_IGNORE=(
		# pip these days insists on fetching build deps from Internet
		tests/test_venv.py
	)

	"${EPYTHON}" igor.py zip_mods || die

	local -x COVERAGE_TESTING=True
	# TODO: figure out why they can't be imported inside test env
	local -x COVERAGE_NO_CONTRACTS=1
	local -x PYTEST_DISABLE_PLUGIN_AUTOLOAD=1

	local prev_opt=$(shopt -p nullglob)
	shopt -s nullglob
	local c_ext=( "${BUILD_DIR}/install$(python_get_sitedir)"/coverage/*.so )
	${prev_opt}

	if [[ -n ${c_ext} ]]; then
		cp "${c_ext}" coverage/ || die
		test_tracer ctrace
	fi

	test_tracer pytrace

	case ${EPYTHON} in
		python3.1[01]|pypy3)
			;;
		*)
			# available since Python 3.12
			test_tracer sysmon
			;;
	esac

	if [[ -n ${c_ext} ]]; then
		rm coverage/*.so || die
	fi
}