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add test wrt #3695 checking numpy array tolerance args

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abrammer 2018-07-23 23:40:06 -04:00
parent 75db608479
commit 514ca6f4ad
1 changed files with 14 additions and 0 deletions
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14
testing/python/approx.py
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@ -342,6 +342,20 @@ class TestApprox(object):
assert actual == approx(list(expected), rel=5e-7, abs=0) assert actual == approx(list(expected), rel=5e-7, abs=0)
assert actual != approx(list(expected), rel=5e-8, abs=0) assert actual != approx(list(expected), rel=5e-8, abs=0)
def test_numpy_tolerance_args(self):
"""
quick check that numpy rel/abs args are handled correctly
for comparison against an np.array
"""
np = pytest.importorskip("numpy")
expected = 100
actual = 99
assert actual != pytest.approx(expected, abs=0.1, rel=0)
assert np.array(actual) != pytest.approx(expected, abs=0.1, rel=0)
assert actual == pytest.approx(expected, abs=0, rel=0.01)
assert np.array(actual) == pytest.approx(expected, abs=0, rel=0.1)
def test_numpy_array_wrong_shape(self): def test_numpy_array_wrong_shape(self):
np = pytest.importorskip("numpy") np = pytest.importorskip("numpy")