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
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
"""Tests for the utils module."""
import io
import os
import os.path
import shutil
import tempfile
import requests
from requests_toolbelt.downloadutils import stream
from requests_toolbelt.downloadutils import tee
try:
from unittest import mock
except ImportError:
import mock
import pytest
from . import get_betamax
preserve_bytes = {'preserve_exact_body_bytes': True}
def test_get_download_file_path_uses_content_disposition():
s = requests.Session()
recorder = get_betamax(s)
url = ('https://api.github.com/repos/sigmavirus24/github3.py/releases/'
'assets/37944')
filename = 'github3.py-0.7.1-py2.py3-none-any.whl'
with recorder.use_cassette('stream_response_to_file', **preserve_bytes):
r = s.get(url, headers={'Accept': 'application/octet-stream'})
path = stream.get_download_file_path(r, None)
r.close()
assert path == filename
def test_get_download_file_path_directory():
s = requests.Session()
recorder = get_betamax(s)
url = ('https://api.github.com/repos/sigmavirus24/github3.py/releases/'
'assets/37944')
filename = 'github3.py-0.7.1-py2.py3-none-any.whl'
with recorder.use_cassette('stream_response_to_file', **preserve_bytes):
r = s.get(url, headers={'Accept': 'application/octet-stream'})
path = stream.get_download_file_path(r, tempfile.tempdir)
r.close()
assert path == os.path.join(tempfile.tempdir, filename)
def test_get_download_file_path_specific_file():
s = requests.Session()
recorder = get_betamax(s)
url = ('https://api.github.com/repos/sigmavirus24/github3.py/releases/'
'assets/37944')
with recorder.use_cassette('stream_response_to_file', **preserve_bytes):
r = s.get(url, headers={'Accept': 'application/octet-stream'})
path = stream.get_download_file_path(r, '/arbitrary/file.path')
r.close()
assert path == '/arbitrary/file.path'
def test_stream_response_to_file_uses_content_disposition():
s = requests.Session()
recorder = get_betamax(s)
url = ('https://api.github.com/repos/sigmavirus24/github3.py/releases/'
'assets/37944')
filename = 'github3.py-0.7.1-py2.py3-none-any.whl'
with recorder.use_cassette('stream_response_to_file', **preserve_bytes):
r = s.get(url, headers={'Accept': 'application/octet-stream'},
stream=True)
stream.stream_response_to_file(r)
assert os.path.exists(filename)
os.unlink(filename)
def test_stream_response_to_specific_filename():
s = requests.Session()
recorder = get_betamax(s)
url = ('https://api.github.com/repos/sigmavirus24/github3.py/releases/'
'assets/37944')
filename = 'github3.py.whl'
with recorder.use_cassette('stream_response_to_file', **preserve_bytes):
r = s.get(url, headers={'Accept': 'application/octet-stream'},
stream=True)
stream.stream_response_to_file(r, path=filename)
assert os.path.exists(filename)
os.unlink(filename)
def test_stream_response_to_directory():
s = requests.Session()
recorder = get_betamax(s)
url = ('https://api.github.com/repos/sigmavirus24/github3.py/releases/'
'assets/37944')
td = tempfile.mkdtemp()
try:
filename = 'github3.py-0.7.1-py2.py3-none-any.whl'
expected_path = os.path.join(td, filename)
with recorder.use_cassette('stream_response_to_file', **preserve_bytes):
r = s.get(url, headers={'Accept': 'application/octet-stream'},
stream=True)
stream.stream_response_to_file(r, path=td)
assert os.path.exists(expected_path)
finally:
shutil.rmtree(td)
def test_stream_response_to_existing_file():
s = requests.Session()
recorder = get_betamax(s)
url = ('https://api.github.com/repos/sigmavirus24/github3.py/releases/'
'assets/37944')
filename = 'github3.py.whl'
with open(filename, 'w') as f_existing:
f_existing.write('test')
with recorder.use_cassette('stream_response_to_file', **preserve_bytes):
r = s.get(url, headers={'Accept': 'application/octet-stream'},
stream=True)
try:
stream.stream_response_to_file(r, path=filename)
except stream.exc.StreamingError as e:
assert str(e).startswith('File already exists:')
else:
assert False, "Should have raised a FileExistsError"
finally:
os.unlink(filename)
def test_stream_response_to_file_like_object():
s = requests.Session()
recorder = get_betamax(s)
url = ('https://api.github.com/repos/sigmavirus24/github3.py/releases/'
'assets/37944')
file_obj = io.BytesIO()
with recorder.use_cassette('stream_response_to_file', **preserve_bytes):
r = s.get(url, headers={'Accept': 'application/octet-stream'},
stream=True)
stream.stream_response_to_file(r, path=file_obj)
assert 0 < file_obj.tell()
def test_stream_response_to_file_chunksize():
s = requests.Session()
recorder = get_betamax(s)
url = ('https://api.github.com/repos/sigmavirus24/github3.py/releases/'
'assets/37944')
class FileWrapper(io.BytesIO):
def __init__(self):
super(FileWrapper, self).__init__()
self.chunk_sizes = []
def write(self, data):
self.chunk_sizes.append(len(data))
return super(FileWrapper, self).write(data)
file_obj = FileWrapper()
chunksize = 1231
with recorder.use_cassette('stream_response_to_file', **preserve_bytes):
r = s.get(url, headers={'Accept': 'application/octet-stream'},
stream=True)
stream.stream_response_to_file(r, path=file_obj, chunksize=chunksize)
assert 0 < file_obj.tell()
assert len(file_obj.chunk_sizes) >= 1
assert file_obj.chunk_sizes[0] == chunksize
@pytest.fixture
def streamed_response(chunks=None):
chunks = chunks or [b'chunk'] * 8
response = mock.MagicMock()
response.raw.stream.return_value = chunks
return response
def test_tee(streamed_response):
response = streamed_response
expected_len = len('chunk') * 8
fileobject = io.BytesIO()
assert expected_len == sum(len(c) for c in tee.tee(response, fileobject))
assert fileobject.getvalue() == b'chunkchunkchunkchunkchunkchunkchunkchunk'
def test_tee_rejects_StringIO():
fileobject = io.StringIO()
with pytest.raises(TypeError):
# The generator needs to be iterated over before the exception will be
# raised
sum(len(c) for c in tee.tee(None, fileobject))
def test_tee_to_file(streamed_response):
response = streamed_response
expected_len = len('chunk') * 8
assert expected_len == sum(
len(c) for c in tee.tee_to_file(response, 'tee.txt')
)
assert os.path.exists('tee.txt')
os.remove('tee.txt')
def test_tee_to_bytearray(streamed_response):
response = streamed_response
arr = bytearray()
expected_arr = bytearray(b'chunk' * 8)
expected_len = len(expected_arr)
assert expected_len == sum(
len(c) for c in tee.tee_to_bytearray(response, arr)
)
assert expected_arr == arr
def test_tee_to_bytearray_only_accepts_bytearrays():
with pytest.raises(TypeError):
tee.tee_to_bytearray(None, object())
|
