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# ========================================================================== #
#                                                                            #
#    KVMD - The main Pi-KVM daemon.                                          #
#                                                                            #
#    Copyright (C) 2018  Maxim Devaev <[email protected]>                    #
#                                                                            #
#    This program is free software: you can redistribute it and/or modify    #
#    it under the terms of the GNU General Public License as published by    #
#    the Free Software Foundation, either version 3 of the License, or       #
#    (at your option) any later version.                                     #
#                                                                            #
#    This program is distributed in the hope that it will be useful,         #
#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
#    GNU General Public License for more details.                            #
#                                                                            #
#    You should have received a copy of the GNU General Public License       #
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
#                                                                            #
# ========================================================================== #


import os

from typing import List
from typing import Any

import pytest

from kvmd.validators import ValidatorError
from kvmd.validators.os import valid_abs_path
from kvmd.validators.os import valid_abs_path_exists
from kvmd.validators.os import valid_unix_mode
from kvmd.validators.os import valid_command


# =====
@pytest.mark.parametrize("arg, retval", [
    ("/..",          "/"),
    ("/root/..",     "/"),
    ("/root",        "/root"),
    ("/f/o/o/b/a/r", "/f/o/o/b/a/r"),
    ("~",            os.path.abspath(".") + "/~"),
    ("/foo~",        "/foo~"),
    ("/foo/~",        "/foo/~"),
    (".",            os.path.abspath(".")),
])
def test_ok__valid_abs_path(arg: Any, retval: str) -> None:
    assert valid_abs_path(arg) == retval


@pytest.mark.parametrize("arg", ["", " ", None])
def test_fail__valid_abs_path(arg: Any) -> None:
    with pytest.raises(ValidatorError):
        print(valid_abs_path(arg))


# =====
@pytest.mark.parametrize("arg, retval", [
    ("/..",          "/"),
    ("/root/..",     "/"),
    ("/root",        "/root"),
    (".",            os.path.abspath(".")),
])
def test_ok__valid_abs_path_exists(arg: Any, retval: str) -> None:
    assert valid_abs_path_exists(arg) == retval


@pytest.mark.parametrize("arg", [
    "/f/o/o/b/a/r",
    "~",
    "/foo~",
    "/foo/~",
    "",
    None,
])
def test_fail__valid_abs_path_exists(arg: Any) -> None:
    with pytest.raises(ValidatorError):
        print(valid_abs_path_exists(arg))


# =====
@pytest.mark.parametrize("arg", [0, 5, "1000"])
def test_ok__valid_unix_mode(arg: Any) -> None:
    value = valid_unix_mode(arg)
    assert type(value) == int  # pylint: disable=unidiomatic-typecheck
    assert value == int(str(value).strip())


@pytest.mark.parametrize("arg", ["test", "", None, -6, "-6", "5.0"])
def test_fail__valid_unix_mode(arg: Any) -> None:
    with pytest.raises(ValidatorError):
        print(valid_unix_mode(arg))


# =====
@pytest.mark.parametrize("arg, retval", [
    (["/bin/true"],          ["/bin/true"]),
    (["/bin/true", 1, 2, 3], ["/bin/true", "1", "2", "3"]),
    ("/bin/true, 1, 2, 3,",  ["/bin/true", "1", "2", "3"]),
    ("/bin/true",            ["/bin/true"]),
])
def test_ok__valid_command(arg: Any, retval: List[str]) -> None:
    assert valid_command(arg) == retval


@pytest.mark.parametrize("arg", [
    ["/bin/blahblahblah"],
    ["/bin/blahblahblah", 1, 2, 3],
    [" "],
    [],
    "/bin/blahblahblah, 1, 2, 3,",
    "/bin/blahblahblah",
    " ",
])
def test_fail__valid_command(arg: Any) -> None:
    with pytest.raises(ValidatorError):
        print(valid_command(arg))