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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 gc
import weakref
import pytest
from hypothesis import given, settings, strategies as st
@pytest.mark.parametrize(
"s",
[
st.floats(),
st.tuples(st.integers()),
st.tuples(),
st.one_of(st.integers(), st.text()),
],
)
def test_is_cacheable(s):
assert s.is_cacheable
@pytest.mark.parametrize(
"s",
[
st.just([]),
st.tuples(st.integers(), st.just([])),
st.one_of(st.integers(), st.text(), st.just([])),
],
)
def test_is_not_cacheable(s):
assert not s.is_cacheable
def test_non_cacheable_things_are_not_cached():
x = st.just([])
assert st.tuples(x) != st.tuples(x)
def test_cacheable_things_are_cached():
x = st.just(())
assert st.tuples(x) == st.tuples(x)
def test_local_types_are_garbage_collected_issue_493():
store = None
def run_locally():
class Test:
@settings(database=None)
@given(st.integers())
def test(self, i):
pass
nonlocal store
store = weakref.ref(Test)
Test().test()
run_locally()
del run_locally
assert store() is not None
gc.collect()
assert store() is None
|
