Created
September 20, 2023 08:34
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Run ctest tests from python
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from __future__ import annotations | |
import json | |
import re | |
import subprocess | |
from pathlib import Path | |
import pytest | |
from typing_extensions import TypedDict | |
PROJECT_ROOT = Path(__file__).parent.parent | |
build_dir = PROJECT_ROOT / "build" / "Debug" | |
class CtestTestProperty(TypedDict): | |
name: str | |
value: str | |
class CtestTestDefinition(TypedDict): | |
name: str | |
properties: list[CtestTestProperty] | |
class CtestDiscoveryResult(TypedDict): | |
tests: list[CtestTestDefinition] | |
class CtestTestCommand: | |
def __init__(self, test_name: str) -> None: | |
self._data: list[str] = ["ctest", "-R"] | |
self.test_name: str = test_name | |
self.ret_res: subprocess.CompletedProcess | None = None | |
def add_command(self, command: str): | |
self._data.append(command) | |
def run(self) -> None: | |
self.ret_res = subprocess.run( | |
[*self._data, self.test_name], | |
cwd=build_dir.resolve(True), | |
capture_output=True, | |
) | |
try: | |
match = re.findall("(in: )(.*)(\\.log)", self.ret_res.stderr.decode()) | |
log_file = match[0][1] | |
except IndexError: | |
return | |
pytest.fail(Path(log_file + ".log").resolve(True).read_text("utf-8")) | |
def collect_tests() -> list[CtestTestCommand]: | |
ret: list[CtestTestCommand] = [] | |
res = subprocess.run( | |
["ctest", "--show-only=json-v1"], | |
cwd=build_dir.resolve(True), | |
capture_output=True, | |
) | |
data: CtestDiscoveryResult = json.loads(res.stdout) | |
for test in data["tests"]: | |
ret.append(CtestTestCommand(test["name"])) | |
return ret |
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