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
|
# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt
import contextlib
import io
import os
import sys
import pytest
from pytest import CaptureFixture
from pylint.testutils._run import _Run as Run
def is_module(filename: str) -> bool:
return filename.endswith(".py")
def is_package(filename: str, location: str) -> bool:
return os.path.exists(os.path.join(location, filename, "__init__.py"))
@contextlib.contextmanager
def _patch_stdout(out):
sys.stdout = out
try:
yield
finally:
sys.stdout = sys.__stdout__
LIB_DIRS = [os.path.dirname(os.__file__)]
MODULES_TO_CHECK = [
(location, module)
for location in LIB_DIRS
for module in os.listdir(location)
if is_module(module) or is_package(module, location)
]
MODULES_NAMES = [m[1] for m in MODULES_TO_CHECK]
@pytest.mark.primer_stdlib
@pytest.mark.parametrize(
("test_module_location", "test_module_name"), MODULES_TO_CHECK, ids=MODULES_NAMES
)
def test_primer_stdlib_no_crash(
test_module_location: str, test_module_name: str, capsys: CaptureFixture
) -> None:
"""Test that pylint does not produce any crashes or fatal errors on stdlib modules."""
__tracebackhide__ = True # pylint: disable=unused-variable
os.chdir(test_module_location)
with _patch_stdout(io.StringIO()):
try:
# We want to test all the code we can
enables = ["--enable-all-extensions", "--enable=all"]
# Duplicate code takes too long and is relatively safe
# We don't want to lint the test directory which are repetitive
disables = ["--disable=duplicate-code", "--ignore=test"]
Run([test_module_name] + enables + disables)
except SystemExit as ex:
out, err = capsys.readouterr()
assert not err, err
assert not out
msg = f"Encountered {{}} during primer stlib test for {test_module_name}"
assert ex.code != 32, msg.format("a crash")
assert ex.code % 2 == 0, msg.format("a message of category 'fatal'")
|