def test_pushPop(self):
push_tag('foo', 1)
pop_tag()
push_tag('foo', 1)
push_tag('bar', 2)
self.assertListEqual([('foo', 1), ('bar', 2)], get_tags())
pop_tag()
pop_tag()
self.assertListEqual([], get_tags())
def test_pushPopTooMuch(self):
with self.assertRaises(IndexError):
push_tag('foo', 1)
pop_tag()
pop_tag()
