import io
import contextlib
from unittest import mock

import pytest

from mitmproxy.utils import arg_check


@pytest.mark.parametrize(
    "arg, output",
    [
        (["-T"], "-T is deprecated, please use --mode transparent instead"),
        (["-U"], "-U is deprecated, please use --mode upstream:SPEC instead"),
        (
            ["--confdir"],
            "--confdir is deprecated.\n"
            "Please use `--set confdir=value` instead.\n"
            "To show all options and their default values use --options",
        ),
        (
            ["--palette"],
            "--palette is deprecated.\n"
            "Please use `--set console_palette=value` instead.\n"
            "To show all options and their default values use --options",
        ),
        (
            ["--wfile"],
            "--wfile is deprecated.\n" "Please use `--save-stream-file` instead.",
        ),
        (["--eventlog"], "--eventlog has been removed."),
        (
            ["--nonanonymous"],
            "--nonanonymous is deprecated.\n"
            "Please use `--proxyauth SPEC` instead.\n"
            'SPEC Format: "username:pass", "any" to accept any user/pass combination,\n'
            '"@path" to use an Apache htpasswd file, or\n'
            '"ldap[s]:url_server_ldap:dn_auth:password:dn_subtree" '
            "for LDAP authentication.",
        ),
        (
            ["--replacements"],
            "--replacements is deprecated.\n"
            "Please use `--modify-body` or `--modify-headers` instead.",
        ),
        (
            ["--underscore_option"],
            "--underscore_option uses underscores, please use hyphens --underscore-option",
        ),
    ],
)
def test_check_args(arg, output):
    f = io.StringIO()
    with contextlib.redirect_stdout(f):
        with mock.patch("sys.argv") as m:
            m.__getitem__.return_value = arg
            arg_check.check()
            assert f.getvalue().strip() == output
