code: def test_get_indexes(data_indexer):
      tmp = np.array([["a", "b", "c"]])
      indexes = data_indexer.get_indexes(tmp)
      assert np.shape(indexes) == np.shape(
          tmp
      ), "returned indexes are not the same shape"
      assert np.issubdtype(
          indexes.dtype, np.integer
      ), "indexes are not integers"
  
file_path: AmpliGraph/tests/ampligraph/datasets/test_data_indexer.py
imports: from ampligraph.datasets.data_indexer import DataIndexer
  import numpy
  import pytest
label_desc: Use image node_id 7 for calling a global function with example usage: test_get_indexes(data_indexer) without return types