# Test Installed Package

- Object ID: `em:test:sha256:2e4bcd563729997b7d2d256e2f5e2dfbbbddb7c750504030d725d58f03fe8980`
- Kind: `test`
- Repository path: [`tests/test_installed_package.py`](https://github.com/yoheinakajima/epistemedia/blob/f92846570180dfa4511263f8ba98ecd18f7772c9/tests/test_installed_package.py)
- Content digest: `5b24dbad2f3718e8212f722a1ad5c7fd9a544200d34747e666d185cec16b20e4`

**Also filed under:** [Disclosure and Public Projection](https://epistemedia.org/topics/disclosure/), [Human and Agent Interfaces](https://epistemedia.org/topics/public-interfaces/), [Security and Adversarial Robustness](https://epistemedia.org/topics/security/)

## Source content

from __future__ import annotations

import os
import subprocess
import sys
from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]


def test_cli_import_is_independent_of_checkout_sitecustomize(tmp_path: Path) -> None:
    source = ROOT / "src"
    script = (
        "import sys; "
        f"sys.path.insert(0, {str(source)!r}); "
        "from epistemedia.cli import main; "
        "main(['--version'])"
    )
    environment = os.environ.copy()
    environment.pop("PYTHONPATH", None)
    result = subprocess.run(
        [sys.executable, "-I", "-c", script],
        cwd=tmp_path,
        env=environment,
        check=True,
        capture_output=True,
        text=True,
    )
    assert result.stdout.strip() == "epistemedia 0.2.0"
    assert result.stderr == ""