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|
import json
import pytest
from helpers import pytester_path
@pytest.mark.parametrize(
"ini, cli, kwarg, success_expected",
[
("bad", None, None, False),
("good", None, None, True),
("bad", "good", None, True),
("bad", "bad", "good", False), # Note: CLI overrides kwarg
("bad", "good", "bad", True),
],
)
def test_config(pytester, ini, cli, kwarg, success_expected):
path = pytester_path(pytester)
hash_libraries = {
"good": path / "good_hash_library.json",
"bad": path / "bad_hash_library.json",
}
ini = f"mpl-hash-library = {hash_libraries[ini]}" if ini else ""
pytester.makeini(
f"""
[pytest]
mpl-deterministic: true
{ini}
"""
)
kwarg = f"hash_library=r'{hash_libraries[kwarg]}'" if kwarg else ""
pytester.makepyfile(
f"""
import matplotlib.pyplot as plt
import pytest
@pytest.mark.mpl_image_compare({kwarg})
def test_mpl():
fig, ax = plt.subplots()
ax.plot([1, 3, 2])
return fig
"""
)
pytester.runpytest(f"--mpl-generate-hash-library={hash_libraries['good']}")
with open(hash_libraries["bad"], "w") as fp:
json.dump({"test_config.test_mpl": "bad-value"}, fp)
cli = f"--mpl-hash-library={hash_libraries[cli]}" if cli else ""
result = pytester.runpytest("--mpl", cli)
if success_expected:
result.assert_outcomes(passed=1)
else:
result.assert_outcomes(failed=1)
|
