def test_overlaps(self):
range_object = Range('(-1,4]')
value = Range('[-1,20]')
self.assertTrue(range_object.overlaps_range(value))
def test_not_overlaps(self):
range_object = Range('(-1,4]')
value = Range('(5,20]')
self.assertFalse(range_object.overlaps_range(value))
def test_overlaps_wrong_type_error(self):
range_object = Range('(-1,3]')
value = 'a'
with self.assertRaises(TypeError):
range_object.overlaps_range(value)