Refactor aiogram/utils/auth_widget.py

+ fix check auth widget token in BaseBot, fix tests

tests/test_bot/test_api.py

@@ -0,0 +1,18 @@
+import pytest
+from aiogram.bot.api import check_token
+
+from aiogram.utils.exceptions import ValidationError
+
+
+VALID_TOKEN = '123456789:AABBCCDDEEFFaabbccddeeff-1234567890'
+INVALID_TOKEN = '123456789:AABBCCDDEEFFaabbccddeeff 123456789'  # Space in token and wrong length
+
+
+class Test_check_token:
+
+    def test_valid(self):
+        assert check_token(VALID_TOKEN) is True
+
+    def test_invalid_token(self):
+        with pytest.raises(ValidationError):
+            check_token(INVALID_TOKEN)