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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 strategies as st
def test_labels_are_cached():
x = st.integers()
assert x.label is x.label
def test_labels_are_distinct():
assert st.integers().label != st.text().label
@st.composite
def foo(draw):
return draw(st.none())
@st.composite
def bar(draw):
return draw(st.none())
def test_different_composites_have_different_labels():
assert foo().label != bar().label
def test_one_of_label_is_distinct():
a = st.integers()
b = st.booleans()
assert st.one_of(a, b).label != st.one_of(b, a).label
def test_lists_label_by_element():
assert st.lists(st.integers()).label != st.lists(st.booleans()).label
def test_label_of_deferred_strategy_is_well_defined():
recursive = st.deferred(lambda: st.lists(recursive))
recursive.label
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