import unittest
from unittest.mock import patch
import os
import time
from dependabro.utils import is_cache_expired


class TestIsCacheExpired(unittest.TestCase):

    @patch("os.path.exists", return_value=True)
    @patch("os.path.getmtime", return_value=time.time() - 100)
    def test_returns_false_when_cache_is_not_expired(self, mock_getmtime, mock_exists):
        self.assertFalse(is_cache_expired("/path/to/cache_file.json", 200))

    @patch("os.path.exists", return_value=True)
    @patch("os.path.getmtime", return_value=time.time() - 300)
    def test_returns_true_when_cache_is_expired(self, mock_getmtime, mock_exists):
        self.assertTrue(is_cache_expired("/path/to/cache_file.json", 200))

    @patch("os.path.exists", return_value=False)
    def test_returns_true_when_cache_file_not_found(self, mock_exists):
        self.assertTrue(is_cache_expired("/path/to/cache_file.json", 200))


if __name__ == "__main__":
    unittest.main()