code: def test_recurrence_full():
      data = np.eye(10)
      rec = librosa.segment.recurrence_matrix(
          data,
          mode="distance",
          metric="euclidean",
          sparse=False,
          full=True,
      )
      assert np.all(rec >= 0)
  
imports: from typing import Union
  import warnings
  import os
  import numpy
  import scipy
  from scipy.spatial.distance import cdist, pdist, squareform
  import pytest
  from test_core import srand
  import librosa
label_desc: Use image node_id 15 for calling a global function with example usage: test_recurrence_full() without return types