DEVX-104: feat: auto-rebase in auto-merge, new rebase tools, CLI registration

tests/unit/test_api_clients.py

@@ -233,6 +233,18 @@ class TestGiteaClient:
             json={"Do": "squash", "MergeTitleField": "fix: bug"},
         )
 
+    def test_update_pr_branch(self) -> None:
+        client = GiteaClient("https://git.example.com", "tok", "owner", "repo")
+        client._session.request = MagicMock(return_value=_mock_response())
+
+        client.update_pr_branch(7, style="rebase")
+        client._session.request.assert_called_once_with(
+            "POST",
+            "https://git.example.com/repos/owner/repo/pulls/7/update",
+            timeout=DEFAULT_TIMEOUT,
+            params={"style": "rebase"},
+        )
+
     def test_get_pr_labels(self) -> None:
         client = GiteaClient("https://git.example.com", "tok", "owner", "repo")
         client._session.request = MagicMock(return_value=_mock_response([{"name": "ready-to-merge"}]))