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20 lines
537 B
20 lines
537 B
import pytest
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from sklearn.utils._mask import safe_mask
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from sklearn.utils.fixes import CSR_CONTAINERS
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from sklearn.utils.validation import check_random_state
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@pytest.mark.parametrize("csr_container", CSR_CONTAINERS)
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def test_safe_mask(csr_container):
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random_state = check_random_state(0)
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X = random_state.rand(5, 4)
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X_csr = csr_container(X)
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mask = [False, False, True, True, True]
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mask = safe_mask(X, mask)
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assert X[mask].shape[0] == 3
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mask = safe_mask(X_csr, mask)
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assert X_csr[mask].shape[0] == 3
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