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fc0f7bd | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | # Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License.
import pytest
from fairlearn.postprocessing._threshold_operation import ThresholdOperation
def test_predict_from_operation_less():
classifier = ThresholdOperation('<', 0.5).get_predictor_from_operation()
assert classifier(-10000) == 1
assert classifier(0) == 1
assert classifier(0.5) == 0
assert classifier(1) == 0
assert classifier(10000) == 0
def test_predict_from_operation_more():
classifier = ThresholdOperation('>', 0.5).get_predictor_from_operation()
assert classifier(-10000) == 0
assert classifier(0) == 0
assert classifier(0.5) == 0
assert classifier(1) == 1
assert classifier(10000) == 1
def test_predict_from_operation_invalid_operator():
with pytest.raises(ValueError, match="Unrecognized operator: ="):
ThresholdOperation('=', 0.5)
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