parse_build_tests_ccov.py

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#!/usr/bin/env python

# This Source Code Form is subject to the terms of the Mozilla Public

# License, v. 2.0. If a copy of the MPL was not distributed with this

# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import sys

import os

import pathlib

import shutil

import subprocess

import tempfile

import zipfile

import buildconfig

def main():

    if not buildconfig.substs.get("MOZ_CODE_COVERAGE") or not buildconfig.substs.get(

        "MOZ_RUST_TESTS"

):

        return

    assert "GRCOV_PATH" in os.environ, (

        "The environment variable GRCOV_PATH should contain a path to grcov"

    grcov_path = os.environ["GRCOV_PATH"]

    assert os.path.exists(grcov_path), "grcov should exist"

    grcov_command = [

        grcov_path,

        "--llvm",

        "-t",

        "lcov",

        "-p",

        buildconfig.topsrcdir,

        buildconfig.topobjdir,

    grcov_output = subprocess.check_output(grcov_command)

    grcov_zip_path = os.path.join(buildconfig.topobjdir, "code-coverage-grcov.zip")

    with zipfile.ZipFile(grcov_zip_path, "a", zipfile.ZIP_DEFLATED) as z:

        z.writestr("grcov_lcov_output.info", grcov_output)

if __name__ == "__main__":

    main()