1 files changed, 20 insertions, 0 deletions

diff --git a/tests/test_subcmds_sync.py b/tests/test_subcmds_sync.py
index 9cd19f10..5955e404 100644
--- a/tests/test_subcmds_sync.py
+++ b/tests/test_subcmds_sync.py
@@ -309,6 +309,7 @@ class FakeProject:
         self.relpath = relpath
         self.name = name or relpath
         self.objdir = objdir or relpath
+        self.worktree = relpath
 
         self.use_git_worktrees = False
         self.UseAlternates = False
@@ -836,6 +837,25 @@ class InterleavedSyncTest(unittest.TestCase):
         project.Sync_NetworkHalf.assert_called_once()
         project.Sync_LocalHalf.assert_not_called()
 
+    def test_worker_no_worktree(self):
+        """Test interleaved sync does not checkout with no worktree."""
+        opt = self._get_opts()
+        project = self.projA
+        project.worktree = None
+        project.Sync_NetworkHalf = mock.Mock(
+            return_value=SyncNetworkHalfResult(error=None, remote_fetched=True)
+        )
+        project.Sync_LocalHalf = mock.Mock()
+        self.mock_context["projects"] = [project]
+
+        result_obj = self.cmd._SyncProjectList(opt, [0])
+        result = result_obj.results[0]
+
+        self.assertTrue(result.fetch_success)
+        self.assertTrue(result.checkout_success)
+        project.Sync_NetworkHalf.assert_called_once()
+        project.Sync_LocalHalf.assert_not_called()
+
     def test_worker_fetch_fails_exception(self):
         """Test _SyncProjectList with an exception during fetch."""
         opt = self._get_opts()