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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/.
from hypothesis import given, strategies as st
from hypothesis.strategies._internal.featureflags import FeatureFlags, FeatureStrategy
from tests.common.debug import find_any, minimal
STRAT = FeatureStrategy()
def test_can_all_be_enabled():
find_any(STRAT, lambda x: all(x.is_enabled(i) for i in range(100)))
def test_minimizes_open():
features = range(10)
flags = minimal(STRAT, lambda x: [x.is_enabled(i) for i in features])
assert all(flags.is_enabled(i) for i in features)
def test_minimizes_individual_features_to_open():
features = list(range(10))
flags = minimal(
STRAT, lambda x: sum(x.is_enabled(i) for i in features) < len(features)
)
assert all(flags.is_enabled(i) for i in features[:-1])
assert not flags.is_enabled(features[-1])
def test_marks_unknown_features_as_enabled():
x = find_any(STRAT, lambda v: True)
assert x.is_enabled("fish")
def test_by_default_all_enabled():
f = FeatureFlags()
assert f.is_enabled("foo")
def test_eval_featureflags_repr():
flags = FeatureFlags(enabled=["on"], disabled=["off"])
assert flags.is_enabled("on")
assert not flags.is_enabled("off")
flags2 = eval(repr(flags))
assert flags2.is_enabled("on")
assert not flags2.is_enabled("off")
@given(st.data())
def test_repr_can_be_evalled(data):
flags = data.draw(STRAT)
features = data.draw(st.lists(st.text(), unique=True))
for f in features:
flags.is_enabled(f)
flags2 = eval(repr(flags))
for f in features:
assert flags2.is_enabled(f) == flags.is_enabled(f)
more_features = data.draw(st.lists(st.text().filter(lambda s: s not in features)))
for f in more_features:
assert flags2.is_enabled(f)
@given(FeatureStrategy(at_least_one_of={"a", "b", "c"}))
def test_can_avoid_disabling_every_flag(flags):
assert any(flags.is_enabled(k) for k in {"a", "b", "c"})
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