Method test_writeback_also_writes_immediately

Lib/test/test_shelve.py:139–149

(self)

        self.assertRaises(UnicodeEncodeError, s.__setitem__, key, [1])

    def test_writeback_also_writes_immediately(self):
        # Issue 5754
        d = {}
        key = 'key'
        encodedkey = key.encode('utf-8')
        with shelve.Shelf(d, writeback=True) as s:
            s[key] = [1]
            p1 = d[encodedkey]  # Will give a KeyError if backing store not updated
            s['key'].append(2)
        p2 = d[encodedkey]
        self.assertNotEqual(p1, p2)  # Write creates new object in store

    def test_with(self):
        d1 = {}