from pathlib import Path
import sys

import pytest


SCRIPTS = Path(__file__).resolve().parents[1] / "scripts"
sys.path.insert(0, str(SCRIPTS))

from fetch_utils import validate_data_response  # noqa: E402


class ResponseStub:
    def __init__(self, content_type: str, content: bytes) -> None:
        self.headers = {"content-type": content_type}
        self.content = content


def test_rejects_html_shell_returned_by_data_endpoint():
    response = ResponseStub("text/html; charset=utf-8", b"<html></html>")

    with pytest.raises(ValueError, match="HTML"):
        validate_data_response(response)