added python2 support to tests

test/test_cookies.py

@@ -1,42 +1,54 @@
 import unittest
-from unittest import mock
 
+from youtube_dl import cookies
 from youtube_dl.cookies import LinuxChromeCookieDecryptor, WindowsChromeCookieDecryptor, CRYPTO_AVAILABLE, \
     MacChromeCookieDecryptor
 
 
+class MonkeyPatch:
+    def __init__(self, module, name, temp_value):
+        self._module = module
+        self._name = name
+        self._temp_value = temp_value
+        self._backup_value = None
+
+    def __enter__(self):
+        self._backup_value = getattr(self._module, self._name)
+        setattr(self._module, self._name, self._temp_value)
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        setattr(self._module, self._name, self._backup_value)
+
+
 @unittest.skipIf(not CRYPTO_AVAILABLE, 'cryptography library not available')
 class TestCookies(unittest.TestCase):
-    @mock.patch('youtube_dl.cookies._get_linux_keyring_password')
-    def test_chrome_cookie_decryptor_linux_v10(self, mock_get_keyring_password):
-        mock_get_keyring_password.return_value = ''
-        encrypted_value = b'v10\xccW%\xcd\xe6\xe6\x9fM" \xa7\xb0\xca\xe4\x07\xd6'
-        value = 'USD'
-        decryptor = LinuxChromeCookieDecryptor('Chrome')
-        assert decryptor.decrypt(encrypted_value) == value
+    def test_chrome_cookie_decryptor_linux_v10(self):
+        with MonkeyPatch(cookies, '_get_linux_keyring_password', lambda *args, **kwargs: ''):
+            encrypted_value = b'v10\xccW%\xcd\xe6\xe6\x9fM" \xa7\xb0\xca\xe4\x07\xd6'
+            value = 'USD'
+            decryptor = LinuxChromeCookieDecryptor('Chrome')
+            assert decryptor.decrypt(encrypted_value) == value
 
-    @mock.patch('youtube_dl.cookies._get_linux_keyring_password')
-    def test_chrome_cookie_decryptor_linux_v11(self, mock_get_keyring_password):
-        mock_get_keyring_password.return_value = ''
-        encrypted_value = b'v11#\x81\x10>`w\x8f)\xc0\xb2\xc1\r\xf4\x1al\xdd\x93\xfd\xf8\xf8N\xf2\xa9\x83\xf1\xe9o\x0elVQd'
-        value = 'tz=Europe.London'
-        decryptor = LinuxChromeCookieDecryptor('Chrome')
-        assert decryptor.decrypt(encrypted_value) == value
+    def test_chrome_cookie_decryptor_linux_v11(self):
+        with MonkeyPatch(cookies, '_get_linux_keyring_password', lambda *args, **kwargs: ''):
+            encrypted_value = b'v11#\x81\x10>`w\x8f)\xc0\xb2\xc1\r\xf4\x1al\xdd\x93\xfd\xf8\xf8N\xf2\xa9\x83\xf1\xe9o\x0elVQd'
+            value = 'tz=Europe.London'
+            decryptor = LinuxChromeCookieDecryptor('Chrome')
+            assert decryptor.decrypt(encrypted_value) == value
 
-    @mock.patch('youtube_dl.cookies._get_windows_v10_password')
-    def test_chrome_cookie_decryptor_windows_v10(self, mock_get_windows_v10_password):
-        mock_get_windows_v10_password.return_value = b'Y\xef\xad\xad\xeerp\xf0Y\xe6\x9b\x12\xc2<z\x16]\n\xbb\xb8\xcb\xd7\x9bA\xc3\x14e\x99{\xd6\xf4&'
-        encrypted_value = b'v10T\xb8\xf3\xb8\x01\xa7TtcV\xfc\x88\xb8\xb8\xef\x05\xb5\xfd\x18\xc90\x009\xab\xb1\x893\x85)\x87\xe1\xa9-\xa3\xad='
-        value = '32101439'
-        decryptor = WindowsChromeCookieDecryptor('')
-        assert decryptor.decrypt(encrypted_value) == value
+    def test_chrome_cookie_decryptor_windows_v10(self):
+        with MonkeyPatch(cookies, '_get_windows_v10_password',
+                         lambda *args, **kwargs: b'Y\xef\xad\xad\xeerp\xf0Y\xe6\x9b\x12\xc2<z\x16]\n\xbb\xb8\xcb\xd7\x9bA\xc3\x14e\x99{\xd6\xf4&'):
+            encrypted_value = b'v10T\xb8\xf3\xb8\x01\xa7TtcV\xfc\x88\xb8\xb8\xef\x05\xb5\xfd\x18\xc90\x009\xab\xb1\x893\x85)\x87\xe1\xa9-\xa3\xad='
+            value = '32101439'
+            decryptor = WindowsChromeCookieDecryptor('')
+            assert decryptor.decrypt(encrypted_value) == value
 
-    @mock.patch('youtube_dl.cookies._get_mac_keyring_password')
-    def test_chrome_cookie_decryptor_mac_v10(self, mock_get_keyring_password):
-        mock_get_keyring_password.return_value = '6eIDUdtKAacvlHwBVwvg/Q=='
-        encrypted_value = b'v10\xb3\xbe\xad\xa1[\x9fC\xa1\x98\xe0\x9a\x01\xd9\xcf\xbfc'
-        value = '2021-06-01-22'
-        decryptor = MacChromeCookieDecryptor('')
-        assert decryptor.decrypt(encrypted_value) == value
+    def test_chrome_cookie_decryptor_mac_v10(self):
+        with MonkeyPatch(cookies, '_get_mac_keyring_password', lambda *args, **kwargs: '6eIDUdtKAacvlHwBVwvg/Q=='):
+            encrypted_value = b'v10\xb3\xbe\xad\xa1[\x9fC\xa1\x98\xe0\x9a\x01\xd9\xcf\xbfc'
+            value = '2021-06-01-22'
+            decryptor = MacChromeCookieDecryptor('')
+            assert decryptor.decrypt(encrypted_value) == value