summaryrefslogtreecommitdiff
path: root/tests/unit/test_utils.py
blob: f072aed10cff86a89e727ff67b38cbb5013ba01a (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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
# Copyright (c) 2010-2013 OpenStack, LLC.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import testtools

import mock
import six
import tempfile

from swiftclient import utils as u


class TestConfigTrueValue(testtools.TestCase):

    def test_TRUE_VALUES(self):
        for v in u.TRUE_VALUES:
            self.assertEqual(v, v.lower())

    def test_config_true_value(self):
        orig_trues = u.TRUE_VALUES
        try:
            u.TRUE_VALUES = 'hello world'.split()
            for val in 'hello world HELLO WORLD'.split():
                self.assertTrue(u.config_true_value(val) is True)
            self.assertTrue(u.config_true_value(True) is True)
            self.assertTrue(u.config_true_value('foo') is False)
            self.assertTrue(u.config_true_value(False) is False)
        finally:
            u.TRUE_VALUES = orig_trues


class TestPrtBytes(testtools.TestCase):

    def test_zero_bytes(self):
        bytes_ = 0
        raw = '0'
        human = '0'
        self.assertEqual(raw, u.prt_bytes(bytes_, False).lstrip())
        self.assertEqual(human, u.prt_bytes(bytes_, True).lstrip())

    def test_one_byte(self):
        bytes_ = 1
        raw = '1'
        human = '1'
        self.assertEqual(raw, u.prt_bytes(bytes_, False).lstrip())
        self.assertEqual(human, u.prt_bytes(bytes_, True).lstrip())

    def test_less_than_one_k(self):
        bytes_ = (2 ** 10) - 1
        raw = '1023'
        human = '1023'
        self.assertEqual(raw, u.prt_bytes(bytes_, False).lstrip())
        self.assertEqual(human, u.prt_bytes(bytes_, True).lstrip())

    def test_one_k(self):
        bytes_ = 2 ** 10
        raw = '1024'
        human = '1.0K'
        self.assertEqual(raw, u.prt_bytes(bytes_, False).lstrip())
        self.assertEqual(human, u.prt_bytes(bytes_, True).lstrip())

    def test_a_decimal_k(self):
        bytes_ = (3 * 2 ** 10) + 512
        raw = '3584'
        human = '3.5K'
        self.assertEqual(raw, u.prt_bytes(bytes_, False).lstrip())
        self.assertEqual(human, u.prt_bytes(bytes_, True).lstrip())

    def test_a_bit_less_than_one_meg(self):
        bytes_ = (2 ** 20) - (2 ** 10)
        raw = '1047552'
        human = '1023K'
        self.assertEqual(raw, u.prt_bytes(bytes_, False).lstrip())
        self.assertEqual(human, u.prt_bytes(bytes_, True).lstrip())

    def test_just_a_hair_less_than_one_meg(self):
        bytes_ = (2 ** 20) - (2 ** 10) + 1
        raw = '1047553'
        human = '1.0M'
        self.assertEqual(raw, u.prt_bytes(bytes_, False).lstrip())
        self.assertEqual(human, u.prt_bytes(bytes_, True).lstrip())

    def test_one_meg(self):
        bytes_ = 2 ** 20
        raw = '1048576'
        human = '1.0M'
        self.assertEqual(raw, u.prt_bytes(bytes_, False).lstrip())
        self.assertEqual(human, u.prt_bytes(bytes_, True).lstrip())

    def test_ten_meg(self):
        bytes_ = 10 * 2 ** 20
        human = '10M'
        self.assertEqual(human, u.prt_bytes(bytes_, True).lstrip())

    def test_bit_less_than_ten_meg(self):
        bytes_ = (10 * 2 ** 20) - (100 * 2 ** 10)
        human = '9.9M'
        self.assertEqual(human, u.prt_bytes(bytes_, True).lstrip())

    def test_just_a_hair_less_than_ten_meg(self):
        bytes_ = (10 * 2 ** 20) - 1
        human = '10.0M'
        self.assertEqual(human, u.prt_bytes(bytes_, True).lstrip())

    def test_a_yotta(self):
        bytes_ = 42 * 2 ** 80
        self.assertEqual('42Y', u.prt_bytes(bytes_, True).lstrip())

    def test_overflow(self):
        bytes_ = 2 ** 90
        self.assertEqual('1024Y', u.prt_bytes(bytes_, True).lstrip())


class TestTempURL(testtools.TestCase):

    def setUp(self):
        super(TestTempURL, self).setUp()
        self.url = '/v1/AUTH_account/c/o'
        self.seconds = 3600
        self.key = 'correcthorsebatterystaple'
        self.method = 'GET'

    @mock.patch('hmac.HMAC.hexdigest')
    @mock.patch('time.time')
    def test_generate_temp_url(self, time_mock, hmac_mock):
        time_mock.return_value = 1400000000
        hmac_mock.return_value = 'temp_url_signature'
        expected_url = (
            '/v1/AUTH_account/c/o?'
            'temp_url_sig=temp_url_signature&'
            'temp_url_expires=1400003600')
        url = u.generate_temp_url(self.url, self.seconds, self.key,
                                  self.method)
        self.assertEqual(url, expected_url)

    def test_generate_temp_url_bad_seconds(self):
        self.assertRaises(TypeError,
                          u.generate_temp_url,
                          self.url,
                          'not_an_int',
                          self.key,
                          self.method)

        self.assertRaises(ValueError,
                          u.generate_temp_url,
                          self.url,
                          -1,
                          self.key,
                          self.method)


class TestLengthWrapper(testtools.TestCase):

    def test_stringio(self):
        contents = six.StringIO('a' * 100)
        data = u.LengthWrapper(contents, 42)
        self.assertEqual(42, len(data))
        read_data = ''.join(iter(data.read, ''))
        self.assertEqual(42, len(read_data))
        self.assertEqual('a' * 42, read_data)

    def test_tempfile(self):
        with tempfile.NamedTemporaryFile(mode='w') as f:
            f.write('a' * 100)
            f.flush()
            contents = open(f.name)
            data = u.LengthWrapper(contents, 42)
            self.assertEqual(42, len(data))
            read_data = ''.join(iter(data.read, ''))
            self.assertEqual(42, len(read_data))
            self.assertEqual('a' * 42, read_data)

    def test_segmented_file(self):
        with tempfile.NamedTemporaryFile(mode='w') as f:
            segment_length = 1024
            segments = ('a', 'b', 'c', 'd')
            for c in segments:
                f.write(c * segment_length)
            f.flush()
            for i, c in enumerate(segments):
                contents = open(f.name)
                contents.seek(i * segment_length)
                data = u.LengthWrapper(contents, segment_length)
                self.assertEqual(segment_length, len(data))
                read_data = ''.join(iter(data.read, ''))
                self.assertEqual(segment_length, len(read_data))
                self.assertEqual(c * segment_length, read_data)