python/adbc_driver_manager/tests/test_panic.py

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"""Tests for the panic behavior of the Go/Rust FFI wrappers."""

import os
import subprocess
import sys
from pathlib import Path

import pytest

pytestmark = pytest.mark.panicdummy

_GO_LIB_ENV_VAR = "PANICDUMMY_LIBRARY_PATH"
_RUST_LIB_ENV_VAR = "PANICDUMMY_RUST_LIBRARY_PATH"


@pytest.fixture(scope="module")
def go_driver() -> str:
    if _GO_LIB_ENV_VAR not in os.environ:
        pytest.skip(f"{_GO_LIB_ENV_VAR} not specified", allow_module_level=True)
    return os.environ[_GO_LIB_ENV_VAR]


@pytest.fixture(scope="module")
def rust_driver() -> str:
    if _RUST_LIB_ENV_VAR not in os.environ:
        pytest.skip(f"{_RUST_LIB_ENV_VAR} not specified", allow_module_level=True)
    return os.environ[_RUST_LIB_ENV_VAR]


def test_panic_close_go(go_driver) -> None:
    env = os.environ.copy()
    env["PANICDUMMY_FUNC"] = "StatementClose"
    env["PANICDUMMY_MESSAGE"] = "Boo!"
    output = subprocess.run(
        [
            sys.executable,
            Path(__file__).parent / "panictest.py",
            go_driver,
        ],
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
        env=env,
        encoding="utf-8",
    )
    assert output.returncode != 0
    assert "Go panic in PanicDummy driver" in output.stderr
    assert "Boo!" in output.stderr
    assert "Go panicked, driver is in unknown state" in output.stderr


def test_panic_execute_go(go_driver) -> None:
    env = os.environ.copy()
    env["PANICDUMMY_FUNC"] = "StatementExecuteQuery"
    env["PANICDUMMY_MESSAGE"] = "Boo!"
    output = subprocess.run(
        [
            sys.executable,
            Path(__file__).parent / "panictest.py",
            go_driver,
        ],
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
        env=env,
        encoding="utf-8",
    )
    assert output.returncode != 0
    assert "Go panic in PanicDummy driver" in output.stderr
    assert "Boo!" in output.stderr
    assert "Go panicked, driver is in unknown state" in output.stderr


def test_panic_close_rust(rust_driver) -> None:
    env = os.environ.copy()
    env["PANICDUMMY_FUNC"] = "StatementClose"
    env["PANICDUMMY_MESSAGE"] = "Boo!"
    output = subprocess.run(
        [
            sys.executable,
            Path(__file__).parent / "panictest.py",
            rust_driver,
        ],
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
        env=env,
        encoding="utf-8",
    )
    assert output.returncode != 0
    assert "Uncaught panic in driver" in output.stderr
    assert "Boo!" in output.stderr
    assert "Driver panicked and is in unknown state" in output.stderr


def test_panic_execute_rust(rust_driver) -> None:
    env = os.environ.copy()
    env["PANICDUMMY_FUNC"] = "StatementExecuteQuery"
    env["PANICDUMMY_MESSAGE"] = "Boo!"
    output = subprocess.run(
        [
            sys.executable,
            Path(__file__).parent / "panictest.py",
            rust_driver,
        ],
        stdout=subprocess.PIPE,
        stderr=subprocess.PIPE,
        env=env,
        encoding="utf-8",
    )
    assert output.returncode != 0
    assert "Uncaught panic in driver" in output.stderr
    assert "Boo!" in output.stderr
    assert "Driver panicked and is in unknown state" in output.stderr