"""Test cases that run tests as subprocesses."""
from __future__ import annotations
import os
import subprocess
import sys
import tempfile
import unittest
base_dir = os.path.join(os.path.dirname(__file__), "..", "..")
class TestExternal(unittest.TestCase):
# TODO: Get this to work on Windows.
# (Or don't. It is probably not a good use of time.)
@unittest.skipIf(sys.platform.startswith("win"), "rt tests don't work on windows")
def test_c_unit_test(self) -> None:
"""Run C unit tests in a subprocess."""
cppflags: list[str] = []
env = os.environ.copy()
if sys.platform == "darwin":
cppflags += ["-O0", "-mmacosx-version-min=10.10", "-stdlib=libc++"]
elif sys.platform == "linux":
cppflags += ["-O0"]
env["CPPFLAGS"] = " ".join(cppflags)
# Build Python wrapper for C unit tests.
with tempfile.TemporaryDirectory() as tmpdir:
status = subprocess.check_call(
[
sys.executable,
"setup.py",
"build_ext",
f"--build-lib={tmpdir}",
f"--build-temp={tmpdir}",
],
env=env,
cwd=os.path.join(base_dir, "mypyc", "lib-rt"),
)
# Run C unit tests.
env = os.environ.copy()
if "GTEST_COLOR" not in os.environ:
env["GTEST_COLOR"] = "yes" # Use fancy colors
status = subprocess.call(
[sys.executable, "-c", "import sys, test_capi; sys.exit(test_capi.run_tests())"],
env=env,
cwd=tmpdir,
)
if status != 0:
raise AssertionError("make test: C unit test failure")
