1# Copyright 2020 Red Hat, Inc
2# All Rights Reserved.
3#
4#    Licensed under the Apache License, Version 2.0 (the "License"); you may
5#    not use this file except in compliance with the License. You may obtain
6#    a copy of the License at
7#
8#         http://www.apache.org/licenses/LICENSE-2.0
9#
10#    Unless required by applicable law or agreed to in writing, software
11#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13#    License for the specific language governing permissions and limitations
14#    under the License.
15
16from glance_store.tests import base
17from glance_store.tests import utils as test_utils
18
19
20class TestFakeData(base.StoreBaseTest):
21    def test_via_read(self):
22        fd = test_utils.FakeData(1024)
23        data = []
24        for i in range(0, 1025, 256):
25            chunk = fd.read(256)
26            data.append(chunk)
27            if not chunk:
28                break
29
30        self.assertEqual(5, len(data))
31        # Make sure we got a zero-length final read
32        self.assertEqual(b'', data[-1])
33        # Make sure we only got 1024 bytes
34        self.assertEqual(1024, len(b''.join(data)))
35
36    def test_via_iter(self):
37        data = b''.join(list(test_utils.FakeData(1024)))
38        self.assertEqual(1024, len(data))
39