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# This file is part of Hypothesis, which may be found at
# https://github.com/HypothesisWorks/hypothesis/
#
# Copyright the Hypothesis Authors.
# Individual contributors are listed in AUTHORS.rst and the git log.
#
# This Source Code Form is subject to the terms of the Mozilla Public License,
# v. 2.0. If a copy of the MPL was not distributed with this file, You can
# obtain one at https://mozilla.org/MPL/2.0/.
import re
import pytest
from hypothesis import Verbosity, given, settings, strategies as st
from hypothesis.database import InMemoryExampleDatabase
from tests.common.utils import capture_out
def test_reports_passes():
@given(st.integers())
@settings(
verbosity=Verbosity.debug, max_examples=1000, database=InMemoryExampleDatabase()
)
def test(i):
assert i < 10
with capture_out() as out:
# NOTE: For compatibility with Python 3.9's LL(1)
# parser, this is written as a nested with-statement,
# instead of a compound one.
with pytest.raises(AssertionError):
test()
value = out.getvalue()
assert "minimize_individual_choices" in value
assert "calls" in value
assert "shrinks" in value
shrinks_info = re.compile(r"call(s?) of which ([0-9]+) shrank")
for l in value.splitlines():
m = shrinks_info.search(l)
if m is not None and int(m.group(2)) != 0:
break
else:
pytest.xfail(reason="Sometimes the first failure is 10, and cannot shrink.")
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