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[ENH] add test for all_estimators tag filter #4512

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merged 2 commits into from Apr 28, 2023
Merged

[ENH] add test for all_estimators tag filter #4512

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e0552ef
Update test_lookup.py
fkiraly Apr 27, 2023
3c7123d
also test tags of returned ests
fkiraly Apr 27, 2023
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19 changes: 19 additions & 0 deletions sktime/registry/tests/test_lookup.py
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Expand Up @@ -231,6 +231,25 @@ def test_all_estimators_return_tags_bad_arg(return_tags):
_ = all_estimators(return_tags=return_tags)


@pytest.mark.parametrize("pred_int", [True, False])
def test_all_estimators_tag_filter(pred_int):
"""Test that tag filtering returns estimators as expected."""
NOPROBA_EXAMPLE = "TrendForecaster"
PROBA_EXAMPLE = "ARIMA"

res = all_estimators("forecaster", filter_tags={"capability:pred_int": pred_int})
names, ests = zip(*res)

if pred_int:
assert PROBA_EXAMPLE in names
assert NOPROBA_EXAMPLE not in names
assert [est.get_class_tag("capability:pred_int") for est in ests]
else:
assert PROBA_EXAMPLE not in names
assert NOPROBA_EXAMPLE in names
assert [not est.get_class_tag("capability:pred_int") for est in ests]


@pytest.mark.parametrize("estimator_scitype", BASE_CLASS_SCITYPE_LIST)
def test_scitype_inference(estimator_scitype):
"""Check that scitype inverts _check_estimator_types."""
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