testing/parse_build_tests_ccov.py

   1 #!/usr/bin/env python
   2 #
   3 # This Source Code Form is subject to the terms of the Mozilla Public
   4 # License, v. 2.0. If a copy of the MPL was not distributed with this
   5 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
   6
   7 import sys
   8 import os
   9 import pathlib
  10 import shutil
  11 import subprocess
  12 import tempfile
  13 import zipfile
  14 import buildconfig
  15
  16
  17 def main():
  18     if not buildconfig.substs.get("MOZ_CODE_COVERAGE") or not buildconfig.substs.get(
  19         "MOZ_RUST_TESTS"
  20     ):
  21         return
  22
  23     assert (
  24         "GRCOV_PATH" in os.environ
  25     ), "The environment variable GRCOV_PATH should contain a path to grcov"
  26     grcov_path = os.environ["GRCOV_PATH"]
  27     assert os.path.exists(grcov_path), "grcov should exist"
  28
  29     grcov_command = [
  30         grcov_path,
  31         "-t",
  32         "lcov",
  33         "-p",
  34         buildconfig.topsrcdir,
  35         buildconfig.topobjdir,
  36     ]
  37
  38     if buildconfig.substs["OS_TARGET"] == "Linux":
  39         gcc_dir = os.path.join(os.environ["MOZ_FETCHES_DIR"], "gcc")
  40         if "LD_LIBRARY_PATH" in os.environ:
  41             os.environ["LD_LIBRARY_PATH"] = "{}/lib64/:{}".format(
  42                 gcc_dir, os.environ["LD_LIBRARY_PATH"]
  43             )
  44         else:
  45             os.environ["LD_LIBRARY_PATH"] = "{}/lib64/".format(gcc_dir)
  46
  47         os.environ["PATH"] = "{}/bin/{}{}".format(
  48             gcc_dir, os.pathsep, os.environ["PATH"]
  49         )
  50
  51     grcov_output = subprocess.check_output(grcov_command)
  52
  53     grcov_zip_path = os.path.join(buildconfig.topobjdir, "code-coverage-grcov.zip")
  54     with zipfile.ZipFile(grcov_zip_path, "a", zipfile.ZIP_DEFLATED) as z:
  55         z.writestr("grcov_lcov_output.info", grcov_output)
  56
  57
  58 if __name__ == "__main__":
  59     main()