code: def test_all_labels(self):
      fps = 10.0
      targets = range(25)
      target_labels = np.array(
          [
              (0.0, 0.1, "A:maj"),
              (0.1, 0.2, "A#:maj"),
              (0.2, 0.3, "B:maj"),
              (0.3, 0.4, "C:maj"),
              (0.4, 0.5, "C#:maj"),
              (0.5, 0.6, "D:maj"),
              (0.6, 0.7, "D#:maj"),
              (0.7, 0.8, "E:maj"),
              (0.8, 0.9, "F:maj"),
              (0.9, 1.0, "F#:maj"),
              (1.0, 1.1, "G:maj"),
              (1.1, 1.2, "G#:maj"),
              (1.2, 1.3, "A:min"),
              (1.3, 1.4, "A#:min"),
              (1.4, 1.5, "B:min"),
              (1.5, 1.6, "C:min"),
              (1.6, 1.7, "C#:min"),
              (1.7, 1.8, "D:min"),
              (1.8, 1.9, "D#:min"),
              (1.9, 2.0, "E:min"),
              (2.0, 2.1, "F:min"),
              (2.1, 2.2, "F#:min"),
              (2.2, 2.3, "G:min"),
              (2.3, 2.4, "G#:min"),
              (2.4, 2.5, "N"),
          ],
          dtype=SEGMENT_DTYPE,
      )
  
      labels = majmin_targets_to_chord_labels(targets, fps)
      _compare_labels(self, labels, target_labels)
  
imports: from __future__ import absolute_import, division, print_function
  import unittest
  from os.path import join
  from madmom.features import Activations
  from madmom.features.chords import *
  from madmom.io import load_chords
  from .None import ACTIVATIONS_PATH, AUDIO_PATH, DETECTIONS_PATH
label_desc: Use image node_id 1 for calling the TestMajMinTargetsToChordLabelsFunction obj's underlying member method code with example usage: obj.test_all_labels() without return types