hub/venv/lib/python3.7/site-packages/matplotlib/tests/test_testing.py

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import warnings
import pytest
from matplotlib.testing.decorators import check_figures_equal
@pytest.mark.xfail(
strict=True, reason="testing that warnings fail tests"
)
def test_warn_to_fail():
warnings.warn("This should fail the test")
@pytest.mark.parametrize("a", [1])
@check_figures_equal(extensions=["png"])
@pytest.mark.parametrize("b", [1])
def test_parametrize_with_check_figure_equal(a, fig_ref, b, fig_test):
assert a == b