import unittest
from aider_gitea.__main__ import generate_branch_name

class TestGenerateBranchName(unittest.TestCase):

    def test_generate_branch_name(self):
        self.assertEqual(generate_branch_name("Fix bug in login"), "issue-fix-bug-in-login")
        self.assertEqual(generate_branch_name("Add new feature!"), "issue-add-new-feature")
        self.assertEqual(generate_branch_name("Refactor code (cleanup)"), "issue-refactor-code-cleanup")
        self.assertEqual(generate_branch_name("123 Start with numbers"), "issue-123-start-with-numbers")
        self.assertEqual(generate_branch_name("Handle special chars: @#$%^&*()"), "issue-handle-special-chars")

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