summaryrefslogtreecommitdiff
path: root/testing/tests/blobs/test_fs_backend.py
blob: 27d4fc610717cb9920b9adf81b6b8e0a611848e4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
# -*- coding: utf-8 -*-
# test_fs_backend.py
# Copyright (C) 2017 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Tests for blobs backend on server side.
"""
from twisted.trial import unittest
from twisted.internet import defer
from twisted.web.test.test_web import DummyRequest
from leap.soledad.server import _blobs
from io import BytesIO
from mock import Mock
import mock
import os
import base64
import json
import pytest


class FilesystemBackendTestCase(unittest.TestCase):

    @mock.patch.object(_blobs, 'open')
    def test_tag_header(self, open_mock):
        open_mock.return_value = BytesIO('A' * 40 + 'B' * 16)
        expected_tag = base64.urlsafe_b64encode('B' * 16)
        expected_method = Mock()
        backend = _blobs.FilesystemBlobsBackend()
        request = Mock(responseHeaders=Mock(setRawHeaders=expected_method))
        backend.add_tag_header('user', 'blob_id', request)

        expected_method.assert_called_once_with('Tag', [expected_tag])

    @mock.patch.object(_blobs.static, 'File')
    def test_read_blob(self, file_mock):
        render_mock = Mock()
        file_mock.return_value = render_mock
        backend = _blobs.FilesystemBlobsBackend()
        request = DummyRequest([''])
        backend._get_path = Mock(return_value='path')
        backend.read_blob('user', 'blob_id', request)

        backend._get_path.assert_called_once_with('user', 'blob_id')
        ctype = 'application/octet-stream'
        _blobs.static.File.assert_called_once_with('path', defaultType=ctype)
        render_mock.render_GET.assert_called_once_with(request)

    @mock.patch.object(os.path, 'isfile')
    @defer.inlineCallbacks
    def test_cannot_overwrite(self, isfile):
        isfile.return_value = True
        backend = _blobs.FilesystemBlobsBackend()
        backend._get_path = Mock(return_value='path')
        request = DummyRequest([''])
        yield backend.write_blob('user', 'blob_id', request)
        self.assertEquals(request.written[0], "Blob already exists: blob_id")
        self.assertEquals(request.responseCode, 409)

    @pytest.mark.usefixtures("method_tmpdir")
    @mock.patch.object(os.path, 'isfile')
    @defer.inlineCallbacks
    def test_write_cannot_exceed_quota(self, isfile):
        isfile.return_value = False
        backend = _blobs.FilesystemBlobsBackend()
        backend._get_path = Mock(return_value=self.tempdir)
        request = Mock()

        backend.get_total_storage = lambda x: 100
        backend.quota = 90
        yield backend.write_blob('user', 'blob_id', request)

        request.setResponseCode.assert_called_once_with(507)
        request.write.assert_called_once_with('Quota Exceeded!')

    def test_get_path_partitioning(self):
        backend = _blobs.FilesystemBlobsBackend()
        backend.path = '/somewhere/'
        path = backend._get_path('user', 'blob_id')
        self.assertEquals(path, '/somewhere/user/b/blo/blob_i/blob_id')

    @pytest.mark.usefixtures("method_tmpdir")
    @mock.patch('leap.soledad.server._blobs.os.walk')
    def test_list_blobs(self, walk_mock):
        backend, _ = _blobs.FilesystemBlobsBackend(self.tempdir), None
        walk_mock.return_value = [(_, _, ['blob_0']), (_, _, ['blob_1'])]
        result = json.loads(backend.list_blobs('user', DummyRequest([''])))
        self.assertEquals(result, ['blob_0', 'blob_1'])

    @pytest.mark.usefixtures("method_tmpdir")
    def test_path_validation_on_read_blob(self):
        blobs_path = self.tempdir
        backend = _blobs.FilesystemBlobsBackend(blobs_path)
        with pytest.raises(Exception):
            backend.read_blob('..', '..', DummyRequest(['']))
        with pytest.raises(Exception):
            backend.read_blob('valid', '../../../', DummyRequest(['']))
        with pytest.raises(Exception):
            backend.read_blob('../../../', 'valid', DummyRequest(['']))

    @pytest.mark.usefixtures("method_tmpdir")
    @defer.inlineCallbacks
    def test_path_validation_on_write_blob(self):
        blobs_path = self.tempdir
        backend = _blobs.FilesystemBlobsBackend(blobs_path)
        with pytest.raises(Exception):
            yield backend.write_blob('..', '..', DummyRequest(['']))
        with pytest.raises(Exception):
            yield backend.write_blob('valid', '../../../', DummyRequest(['']))
        with pytest.raises(Exception):
            yield backend.write_blob('../../../', 'valid', DummyRequest(['']))

    @pytest.mark.usefixtures("method_tmpdir")
    @mock.patch('leap.soledad.server._blobs.os.unlink')
    def test_delete_blob(self, unlink_mock):
        backend = _blobs.FilesystemBlobsBackend(self.tempdir)
        backend.delete_blob('user', 'blob_id')
        unlink_mock.assert_called_once_with(backend._get_path('user',
                                                              'blob_id'))