diff --git a/test/test_generate_branch_name.py b/test/test_generate_branch_name.py
new file mode 100644
index 0000000..ba98a80
--- /dev/null
+++ b/test/test_generate_branch_name.py
@@ -0,0 +1,14 @@
+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()