def test_extend(self):
l = ListWithAction(action=self.action)
original = ['a', 'b']
l.extend(original)
expected = map(self.action, original)
self.assertSameList(expected, l)
with self.assertRaises(ValueError):
l.extend('ab')
def test_init(self):
l = ListWithAction(action=self.action)
self.assertEqual(len(l), 0)
original = ['a', 'b', 'c']
l = ListWithAction(['a', 'b', 'c'], action=self.action)
expected = map(self.action, original)
self.assertSameList(expected, l)
with self.assertRaises(ValueError):
ListWithAction('abc', action=self.action)
with self.assertRaises(ValueError):
ListWithAction()
def test_iadd(self):
l = ListWithAction(action=self.action)
original = ['a', 'b']
l += original
expected = map(self.action, original)
self.assertSameList(expected, l)
with self.assertRaises(ValueError):
l += 'abc'
def test_extend(self):
l = ListWithAction(action=self.action)
original = ['a', 'b']
l.extend(original)
expected = map(self.action, original)
self.assertSameList(expected, l)
with self.assertRaises(ValueError):
l.extend('ab')
