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
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
|
"""Tests for installer.utils
"""
import base64
import hashlib
import textwrap
from email.message import Message
from io import BytesIO
import pytest
from test_records import SAMPLE_RECORDS
from installer.records import RecordEntry
from installer.utils import (
WheelFilename,
canonicalize_name,
construct_record_file,
copyfileobj_with_hashing,
fix_shebang,
parse_entrypoints,
parse_metadata_file,
parse_wheel_filename,
)
class TestParseMetadata:
def test_basics(self):
result = parse_metadata_file(
textwrap.dedent(
"""\
Name: package
Version: 1.0.0
Multi-Use-Field: 1
Multi-Use-Field: 2
Multi-Use-Field: 3
"""
)
)
assert isinstance(result, Message)
assert result.get("Name") == "package"
assert result.get("version") == "1.0.0"
assert result.get_all("MULTI-USE-FIELD") == ["1", "2", "3"]
class TestCanonicalizeDistributionName:
@pytest.mark.parametrize(
"string, expected",
[
# Noop
(
"package-1",
"package-1",
),
# PEP 508 canonicalization
(
"ABC..12",
"abc-12",
),
],
)
def test_valid_cases(self, string, expected):
got = canonicalize_name(string)
assert expected == got, (expected, got)
class TestParseWheelFilename:
@pytest.mark.parametrize(
"string, expected",
[
# Crafted package name w/ a "complex" version and build tag
(
"package-1!1.0+abc.7-753-py3-none-any.whl",
WheelFilename("package", "1!1.0+abc.7", "753", "py3-none-any"),
),
# Crafted package name w/ a "complex" version and no build tag
(
"package-1!1.0+abc.7-py3-none-any.whl",
WheelFilename("package", "1!1.0+abc.7", None, "py3-none-any"),
),
# Use real tensorflow wheel names
(
"tensorflow-2.3.0-cp38-cp38-macosx_10_11_x86_64.whl",
WheelFilename(
"tensorflow", "2.3.0", None, "cp38-cp38-macosx_10_11_x86_64"
),
),
(
"tensorflow-2.3.0-cp38-cp38-manylinux2010_x86_64.whl",
WheelFilename(
"tensorflow", "2.3.0", None, "cp38-cp38-manylinux2010_x86_64"
),
),
(
"tensorflow-2.3.0-cp38-cp38-win_amd64.whl",
WheelFilename("tensorflow", "2.3.0", None, "cp38-cp38-win_amd64"),
),
],
)
def test_valid_cases(self, string, expected):
got = parse_wheel_filename(string)
assert expected == got, (expected, got)
@pytest.mark.parametrize(
"string",
[
# Not ".whl"
"pip-20.0.0-py2.py3-none-any.zip",
# No tag
"pip-20.0.0.whl",
# Empty tag
"pip-20.0.0---.whl",
],
)
def test_invalid_cases(self, string):
with pytest.raises(ValueError):
parse_wheel_filename(string)
class TestCopyFileObjWithHashing:
def test_basic_functionality(self):
data = b"input data is this"
hash_ = (
base64.urlsafe_b64encode(hashlib.sha256(data).digest())
.decode("ascii")
.rstrip("=")
)
size = len(data)
with BytesIO(data) as source:
with BytesIO() as dest:
result = copyfileobj_with_hashing(source, dest, hash_algorithm="sha256")
written_data = dest.getvalue()
assert result == (hash_, size)
assert written_data == data
class TestScript:
@pytest.mark.parametrize(
("data", "expected"),
[
pytest.param(
b"#!python\ntest",
b"#!/my/python\ntest",
id="python",
),
pytest.param(
b"#!pythonw\ntest",
b"#!/my/python\ntest",
id="pythonw",
),
pytest.param(
b"#!python something\ntest",
b"#!/my/python\ntest",
id="python-with-args",
),
pytest.param(
b"#!python",
b"#!/my/python\n",
id="python-no-content",
),
],
)
def test_replace_shebang(self, data, expected):
with BytesIO(data) as source:
with fix_shebang(source, "/my/python") as stream:
result = stream.read()
assert result == expected
@pytest.mark.parametrize(
"data",
[
b"#!py\ntest",
b"#!something\ntest",
b"#something\ntest",
b"#something",
b"something",
],
)
def test_keep_data(self, data):
with BytesIO(data) as source:
with fix_shebang(source, "/my/python") as stream:
result = stream.read()
assert result == data
class TestConstructRecord:
def test_construct(self):
records = [
(scheme, RecordEntry.from_elements(*elements))
for scheme, elements, _, _ in SAMPLE_RECORDS
]
assert construct_record_file(records).read() == (
b"test1.py,sha256=Y0sCextp4SQtQNU-MSs7SsdxD1W-gfKJtUlEbvZ3i-4,6\n"
b"test2.py,sha256=fW_Xd08Nh2JNptzxbQ09EEwxkedx--LznIau1LK_Gg8,6\n"
b"test3.py,sha256=qwPDTx7OCCEf4qgDn9ZCQZmz9de1X_E7ETSzZHdsRcU,6\n"
b"test4.py,sha256=Y0sCextp4SQtQNU-MSs7SsdxD1W-gfKJtUlEbvZ3i-4,7\n"
b"test5.py,sha256=Y0sCextp4SQtQNU-MSs7SsdxD1W-gfKJtUlEbvZ3i-4,\n"
b"test6.py,,\n"
)
class TestParseEntryPoints:
@pytest.mark.parametrize(
("script", "expected"),
[
pytest.param("", [], id="empty"),
pytest.param(
"""
[foo]
foo = foo.bar
""",
[],
id="unrelated",
),
pytest.param(
"""
[console_scripts]
package = package.__main__:package
""",
[
("package", "package.__main__", "package", "console"),
],
id="cli",
),
pytest.param(
"""
[gui_scripts]
package = package.__main__:package
""",
[
("package", "package.__main__", "package", "gui"),
],
id="gui",
),
pytest.param(
"""
[console_scripts]
magic-cli = magic.cli:main
[gui_scripts]
magic-gui = magic.gui:main
""",
[
("magic-cli", "magic.cli", "main", "console"),
("magic-gui", "magic.gui", "main", "gui"),
],
id="cli-and-gui",
),
],
)
def test_valid(self, script, expected):
iterable = parse_entrypoints(textwrap.dedent(script))
assert list(iterable) == expected, expected
|
