def test_repr_contains_bound_parameter(self):
assert_predicate_name_equals(
boolean.one_of([boolean.true, boolean.false]),
"one_of(true, false)")
def test_materializes_generated_predicates(
self, predicates: Iterable[Predicate]) -> None:
predicate = boolean.one_of(predicate for predicate in predicates)
assert predicate(0) is True
assert predicate(0) is True
def test_returns_false_for_only_failing_predicate(
self, predicates: Iterable[Predicate]) -> None:
assert boolean.one_of(predicates)(0) is False
def test_returns_true_for_one_succeeding_predicate(
self, predicates: Iterable[Predicate]) -> None:
assert boolean.one_of(predicates)(0) is True
def test_returns_false_for_more_than_one_succeeding_predicates(
self, predicates: Iterable[Predicate]) -> None:
assert boolean.one_of(predicates)(0) is False
def test_returns_false_for_empty_set_of_predicates(self) -> None:
predicate: Predicate[int] = boolean.one_of(())
assert predicate(0) is False