def test_eval_op_condition(self):
ob = ObjectsBackend()
class Foo(object):
a = 1
assert ob.eval_op(EqualsCondition('a', 1), Foo())
assert ob.eval_op(GreaterThanCondition('a', 0), Foo())
assert ob.eval_op(GreaterThanOrEqualCondition('a', 1), Foo())
assert ob.eval_op(LessThanCondition('a', 2), Foo())
assert ob.eval_op(LessThanOrEqualCondition('a', 1), Foo())
def test_eval_op_groups(self):
ob = ObjectsBackend()
class Foo(object):
a = 1
b = 2
assert ob.eval_op(
ConditionGroup(
OrOperator(EqualsCondition('a', 1), EqualsCondition('b', 2))),
Foo())
def test_apply(self):
ob = ObjectsBackend()
class Foo(object):
a = 1
def __eq__(self, other):
return isinstance(other, Foo) and self.a == other.a
query = Query([EqualsCondition('a', 1)])
assert list(ob.apply(query, [Foo()])) == [Foo()]
assert list(query.apply([Foo()])) == [Foo()]
def test_eval_op_operator(self):
ob = ObjectsBackend()
class Foo(object):
a = 1
assert ob.eval_op(
AndOperator(EqualsCondition('a', 1), GreaterThanCondition('a', 0)),
Foo())
assert ob.eval_op(
OrOperator(EqualsCondition('a', 1), GreaterThanCondition('a', 0)),
Foo())
with pytest.raises(Exception):
ob.eval_op(True, Foo())
