Allow to rebuild a dataset with state `Error`

arkindex_worker/worker/__init__.py

@@ -452,8 +452,9 @@ class DatasetWorker(BaseWorker, DatasetMixin, TaskMixin):
 
                 if self.generator:
                     assert (
-                        dataset.state == DatasetState.Open.value
-                    ), "When generating a new dataset, its state should be Open."
+                        dataset.state
+                        in [DatasetState.Open.value, DatasetState.Error.value]
+                    ), "When generating a new dataset, its state should be Open or Error."
                 else:
                     assert (
                         dataset.state == DatasetState.Complete.value

tests/test_dataset_worker.py

@@ -430,7 +430,7 @@ def test_run_no_datasets(mocker, caplog, mock_dataset_worker, generator):
 @pytest.mark.parametrize(
     ("generator", "error"),
     [
-        (True, "When generating a new dataset, its state should be Open."),
+        (True, "When generating a new dataset, its state should be Open or Error."),
         (False, "When processing an existing dataset, its state should be Complete."),
     ],
 )