Function check_script_success_in_subprocess

tests/env.py:48–76

Runs the given code in a subprocess.

(code: str, *, rerun: int = 8)

def check_script_success_in_subprocess(code: str, *, rerun: int = 8) -> None:
    """Runs the given code in a subprocess."""
    import os
    import subprocess
    import sys
    import textwrap

    if ANDROID or IOS or sys.platform.startswith("emscripten"):
        pytest.skip("Requires subprocess support")

    code = textwrap.dedent(code).strip()
    try:
        for _ in range(rerun):  # run flakily failing test multiple times
            subprocess.check_output(
                [sys.executable, "-c", code],
                cwd=os.getcwd(),
                stderr=subprocess.STDOUT,
                text=True,
            )
    except subprocess.CalledProcessError as ex:
        raise RuntimeError(
            f"Subprocess failed with exit code {ex.returncode}.\n\n"
            f"Code:\n"
            f"```python\n"
            f"{code}\n"
            f"```\n\n"
            f"Output:\n"
            f"{ex.output}"
        ) from None