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"""Count actual launches, including failures after spawn and persistent processes."""

import subprocess

from types import SimpleNamespace

import pytest

from git import Git, _backend

from git.exc import GitCommandError, GitCommandNotFound

from test.lib.fixtures import read_only_fixture

def process_count():

return _backend.statistics().get(("Git.execute", "CLI process"), 0)

def test_process_count_tracks_success_failure_and_persistent_process():

git = Git(read_only_fixture("empty.sh", "sha1", "files") / "repo")

before = process_count()

git.version()

assert process_count() == before + 1

with pytest.raises(GitCommandError):

git.rev_parse("--verify", "HEAD")

assert process_count() == before + 2

process = git.version(as_process=True)

process.proc.communicate()

process.wait()

assert process_count() == before + 3

def test_process_count_ignores_missing_executable_and_external_launch():

tmp_path = read_only_fixture("empty.sh")

before = process_count()

with pytest.raises(GitCommandNotFound):

Git(tmp_path).execute([str(tmp_path / "missing-git")])

assert process_count() == before

subprocess.run([Git.GIT_PYTHON_GIT_EXECUTABLE, "version"], check=True, capture_output=True)

assert process_count() == before

@pytest.mark.parametrize("limit,failed", [(3, False), (4, False), (2, True)])

@pytest.mark.parametrize("option", ["--max-cli-processes", "--max-cli-test-processes"])

def test_pytest_cli_ceiling_sets_exit_status(monkeypatch, option, limit, failed):

from test import conftest

config = SimpleNamespace(

getoption=lambda name: limit if name == option else None,

_cli_process_start=2,

_cli_process_phases={"call": 3},

)

session = SimpleNamespace(config=config, exitstatus=pytest.ExitCode.OK)

with monkeypatch.context() as patch:

patch.setattr(conftest, "cli_processes", lambda: 5)

conftest.pytest_sessionfinish(session, pytest.ExitCode.OK)

assert bool(config._cli_process_failures) is failed

assert session.exitstatus == (pytest.ExitCode.TESTS_FAILED if failed else pytest.ExitCode.OK)