8000 TST remove tests for default change warnings in test_svm.py by iasoon · Pull Request #23030 · scikit-learn/scikit-learn · GitHub
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TST remove tests for default change warnings in test_svm.py #23030

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Merged
merged 1 commit into from
Apr 4, 2022
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TST remove tests for default change warnings in test_svm.py #23030

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23 changes: 1 addition & 22 deletions sklearn/svm/tests/test_svm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1331,34 +1331,13 @@ def test_svc_ovr_tie_breaking(SVCClass):
assert np.all(pred == np.argmax(dv, axis=1))


def test_gamma_auto():
X, y = [[0.0, 1.2], [1.0, 1.3]], [0, 1]

with pytest.warns(None) as record:
svm.SVC(kernel="linear").fit(X, y)
assert not [w.message for w in record]

with pytest.warns(None) as record:
svm.SVC(kernel="precomputed").fit(X, y)
assert not [w.message for w in record]


def test_gamma_scale():
X, y = [[0.0], [1.0]], [0, 1]

clf = svm.SVC()
with pytest.warns(None) as record:
clf.fit(X, y)
assert not [w.message for w in record]
clf.fit(X, y)
assert_almost_equal(clf._gamma, 4)

# X_var ~= 1 shouldn't raise warning, for when
# gamma is not explicitly set.
X, y = [[1, 2], [3, 2 * np.sqrt(6) / 3 + 2]], [0, 1]
with pytest.warns(None) as record:
clf.fit(X, y)
assert not [w.message for w in record]


@pytest.mark.parametrize(
"SVM, params",
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