def test_find(self):
r = DLList([1,2,'cat'])
try:
a = r._find(3)
self.assertTrue(False,'no AssertionError rasied when needed for _find')
except AssertionError:
pass
def test_find(self):
r = DLList([1,2,'cat'])
a = r._find(2)
#Check it's the listNode object
#also check it's the right value
self.assertTrue(isinstance(a,DListNode))
self.assertEqual(a.value,'cat')