def test_basic_remote(self):
    (tree_version_list, uuid_set) = get_top_level_metadata_objects('git', 'https://github.com/datalad/test_metadata')
    self.assertEqual(len(tree_version_list.version_set), 1)
    self.assertEqual(len(uuid_set.uuid_set), 1)
    for (version, element_info) in tree_version_list.get_versioned_elements():
        (time_stamp, dataset_path, dataset_tree) = element_info
        dataset_tree = cast(DatasetTree, dataset_tree)
        dataset_tree.read_in()
        dataset_paths = dataset_tree.get_dataset_paths()
        self.assertEqual(27, len(dataset_paths))
        mrr = dataset_tree.get_metadata_root_record(MetadataPath('study-104'))
        file_tree = mrr.get_file_tree()
        file_paths = list(file_tree.get_paths_recursive())
        self.assertEqual(7, len(file_paths))
        file_tree.add_metadata(MetadataPath('a/b/c'), Metadata())
        self.assertRaises(RuntimeError, file_tree.write_out)
def test_basic_remote(self):
    (tree_version_list, uuid_set) = get_top_level_metadata_objects('git', 'https://github.com/datalad/test_metadata')
    self.assertEqual(len(tree_version_list.version_set), 1)
    self.assertEqual(len(uuid_set.uuid_set), 1)
    for (version, element_info) in tree_version_list.get_versioned_elements():
        (time_stamp, dataset_path, dataset_tree) = element_info
        dataset_tree = cast(DatasetTree, dataset_tree)
        dataset_tree.read_in()
        dataset_paths = dataset_tree.get_dataset_paths()
        self.assertEqual(27, len(dataset_paths))
        mrr = dataset_tree.get_metadata_root_record(MetadataPath('study-104'))
        file_tree = mrr.get_file_tree()
        file_paths = list(file_tree.get_paths_recursive())
        self.assertEqual(7, len(file_paths))
        file_tree.add_metadata(MetadataPath('a/b/c'), Metadata())
        self.assertRaises(RuntimeError, file_tree.write_out)