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#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
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"""Require ASCII or UTF-8 with BOM for Windows PowerShell 5.1 scripts.

BOM-less scripts are decoded using the system ANSI code page. UTF-8 symbols
can become quote delimiters under cp1252 and cause parse errors.
"""

from pathlib import Path

import pytest

SCRIPTS_DIR = Path(__file__).resolve().parents[2] / "scripts"
POWERSHELL_SCRIPTS = sorted(SCRIPTS_DIR.glob("*.ps1"))


def test_powershell_scripts_are_discovered():
    assert POWERSHELL_SCRIPTS, f"no .ps1 scripts found under {SCRIPTS_DIR}"


@pytest.mark.parametrize("script", POWERSHELL_SCRIPTS, ids=lambda p: p.name)
def test_powershell_script_has_windows_compatible_encoding(script):
    raw = script.read_bytes()
    if any(byte > 0x7F for byte in raw):
        assert raw.startswith(b"\xef\xbb\xbf"), (
            f"{script.name} contains non-ASCII bytes without a UTF-8 BOM; "
            "Windows PowerShell 5.1 would use the system ANSI code page."
        )
        raw.decode("utf-8-sig")