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# Copyright 1999-2023 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..11} )

inherit check-reqs distutils-r1

MY_P=mongo-python-driver-${PV}
DESCRIPTION="Python driver for MongoDB"
HOMEPAGE="
	https://github.com/mongodb/mongo-python-driver/
	https://pypi.org/project/pymongo/
"
SRC_URI="
	https://github.com/mongodb/mongo-python-driver/archive/${PV}.tar.gz
		-> ${MY_P}.gh.tar.gz
"
S=${WORKDIR}/${MY_P}

LICENSE="Apache-2.0"
SLOT="0"
KEYWORDS="~amd64 ~arm64 ~hppa ~riscv ~x86"
IUSE="doc kerberos +test-full"

RDEPEND="
	<dev-python/dnspython-3.0.0[${PYTHON_USEDEP}]
	kerberos? ( dev-python/pykerberos[${PYTHON_USEDEP}] )
"
BDEPEND="
	test-full? (
		>=dev-db/mongodb-2.6.0
	)
"

distutils_enable_sphinx doc
distutils_enable_tests unittest

reqcheck() {
	if use test-full; then
		# During the tests, database size reaches 1.5G.
		local CHECKREQS_DISK_BUILD=1536M

		check-reqs_${1}
	fi
}

pkg_pretend() {
	reqcheck pkg_pretend
}

pkg_setup() {
	reqcheck pkg_setup
}

src_prepare() {
	# network-sandbox
	rm test/test_srv_polling.py || die
	sed -e 's:test_connection_timeout_ms_propagates_to_DNS_resolver:_&:' \
		-e 's:test_service_name_from_kwargs:_&:' \
		-e 's:test_srv_max_hosts_kwarg:_&:' \
		-i test/test_client.py || die
	sed -e '/SRV_SCHEME/s:_HAVE_DNSPYTHON:False:' \
		-i test/test_uri_spec.py || die
	sed -e 's:test_connect_case_insensitive:_&:' \
		-i test/test_dns.py || die
	# changes in new mypy version
	sed -e 's:test_mypy_failures:_&:' \
		-i test/test_typing.py || die
	distutils-r1_src_prepare
}

python_test() {
	if ! use test-full; then
		# .invalid is guaranteed to return NXDOMAIN per RFC 6761
		local -x DB_IP=mongodb.invalid
		esetup.py test
		return
	fi

	# Yes, we need TCP/IP for that...
	local -x DB_IP=127.0.0.1
	local -x DB_PORT=27000

	local dbpath=${TMPDIR}/mongo.db
	local logpath=${TMPDIR}/mongod.log

	# Now, the hard part: we need to find a free port for mongod.
	# We're just trying to run it random port numbers and check the log
	# for bind errors. It shall be noted that 'mongod --fork' does not
	# return failure when it fails to bind.

	mkdir -p "${dbpath}" || die
	while true; do
		ebegin "Trying to start mongod on port ${DB_PORT}"

		LC_ALL=C \
		mongod --dbpath "${dbpath}" --nojournal \
			--bind_ip ${DB_IP} --port ${DB_PORT} \
			--unixSocketPrefix "${TMPDIR}" \
			--logpath "${logpath}" --fork \
		&& sleep 2

		# Now we need to check if the server actually started...
		if [[ ${?} -eq 0 && -S "${TMPDIR}"/mongodb-${DB_PORT}.sock ]]; then
			# yay!
			eend 0
			break
		elif grep -q 'Address already in use' "${logpath}"; then
			# ay, someone took our port!
			eend 1
			: $(( DB_PORT += 1 ))
			continue
		else
			eend 1
			eerror "Unable to start mongod for tests. See the server log:"
			eerror "	${logpath}"
			die "Unable to start mongod for tests."
		fi
	done

	local failed
	nonfatal esetup.py test || failed=1

	mongod --dbpath "${dbpath}" --shutdown || die

	[[ ${failed} ]] && die "Tests fail with ${EPYTHON}"

	rm -rf "${dbpath}" || die
}