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hub / github.com/modAL-python/modAL / test_check_class_labels

Method test_check_class_labels

tests/core_tests.py:51–76  ·  view source on GitHub ↗
(self)

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49class TestUtils(unittest.TestCase):
50
51 def test_check_class_labels(self):
52 for n_labels in range(1, 10):
53 for n_learners in range(1, 10):
54 # 1. test fitted estimators
55 labels = np.random.randint(10, size=n_labels)
56 different_labels = np.random.randint(
57 10, 20, size=np.random.randint(1, 10))
58 learner_list_1 = [mock.MockEstimator(
59 classes_=labels) for _ in range(n_learners)]
60 learner_list_2 = [mock.MockEstimator(
61 classes_=different_labels) for _ in range(np.random.randint(1, 5))]
62 shuffled_learners = random.sample(
63 learner_list_1 + learner_list_2, len(learner_list_1 + learner_list_2))
64 self.assertTrue(
65 modAL.utils.validation.check_class_labels(*learner_list_1))
66 self.assertFalse(
67 modAL.utils.validation.check_class_labels(*shuffled_learners))
68
69 # 2. test unfitted estimators
70 unfitted_learner_list = [mock.MockEstimator(
71 classes_=labels) for _ in range(n_learners)]
72 idx = np.random.randint(0, n_learners)
73 unfitted_learner_list.insert(
74 idx, mock.MockEstimator(fitted=False))
75 self.assertRaises(
76 NotFittedError, modAL.utils.validation.check_class_labels, *unfitted_learner_list)
77
78 def test_check_class_proba(self):
79 for n_labels in range(2, 20):

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