######################################################################
#
# File: test/unit/utils/test_filesystem.py
#
# Copyright 2023 Backblaze Inc. All Rights Reserved.
#
# License https://www.backblaze.com/using_b2_code.html
#
######################################################################
import os
import pathlib
import platform

import pytest
from apiver_deps import (
    STDOUT_FILEPATH,
    points_to_fifo,
    points_to_stdout,
)

EXPECTED_STDOUT_PATH = pathlib.Path('CON' if platform.system() == 'Windows' else '/dev/stdout')


class TestPointsToFifo:
    @pytest.mark.skipif(platform.system() == 'Windows', reason='no os.mkfifo() on Windows')
    def test_fifo_path(self, tmp_path):
        fifo_path = tmp_path / 'fifo'
        os.mkfifo(fifo_path)
        assert points_to_fifo(fifo_path) is True

    def test_non_fifo_path(self, tmp_path):
        path = tmp_path / 'subdir'
        path.mkdir(parents=True)
        assert points_to_fifo(path) is False

    def test_non_existent_path(self, tmp_path):
        path = tmp_path / 'file.txt'
        assert points_to_fifo(path) is False


class TestPointsToStdout:
    def test_stdout_path(self):
        assert points_to_stdout(EXPECTED_STDOUT_PATH) is True
        assert points_to_stdout(STDOUT_FILEPATH) is True

    def test_non_stdout_path(self, tmp_path):
        path = tmp_path / 'file.txt'
        path.touch()
        assert points_to_stdout(path) is False

    def test_non_existent_stdout_path(self, tmp_path):
        path = tmp_path / 'file.txt'
        assert points_to_stdout(path) is False