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
255
|
from __future__ import annotations
from _pytest.pytester import Pytester
import pytest
@pytest.mark.filterwarnings("default::pytest.PytestUnhandledThreadExceptionWarning")
def test_unhandled_thread_exception(pytester: Pytester) -> None:
pytester.makepyfile(
test_it="""
import threading
def test_it():
def oops():
raise ValueError("Oops")
t = threading.Thread(target=oops, name="MyThread")
t.start()
t.join()
def test_2(): pass
"""
)
result = pytester.runpytest()
assert result.ret == 0
result.assert_outcomes(passed=2, warnings=1)
result.stdout.fnmatch_lines(
[
"*= warnings summary =*",
"test_it.py::test_it",
" * PytestUnhandledThreadExceptionWarning: Exception in thread MyThread",
" ",
" Traceback (most recent call last):",
" ValueError: Oops",
" ",
" warnings.warn(pytest.PytestUnhandledThreadExceptionWarning(msg))",
]
)
@pytest.mark.filterwarnings("default::pytest.PytestUnhandledThreadExceptionWarning")
def test_unhandled_thread_exception_in_setup(pytester: Pytester) -> None:
pytester.makepyfile(
test_it="""
import threading
import pytest
@pytest.fixture
def threadexc():
def oops():
raise ValueError("Oops")
t = threading.Thread(target=oops, name="MyThread")
t.start()
t.join()
def test_it(threadexc): pass
def test_2(): pass
"""
)
result = pytester.runpytest()
assert result.ret == 0
result.assert_outcomes(passed=2, warnings=1)
result.stdout.fnmatch_lines(
[
"*= warnings summary =*",
"test_it.py::test_it",
" * PytestUnhandledThreadExceptionWarning: Exception in thread MyThread",
" ",
" Traceback (most recent call last):",
" ValueError: Oops",
" ",
" warnings.warn(pytest.PytestUnhandledThreadExceptionWarning(msg))",
]
)
@pytest.mark.filterwarnings("default::pytest.PytestUnhandledThreadExceptionWarning")
def test_unhandled_thread_exception_in_teardown(pytester: Pytester) -> None:
pytester.makepyfile(
test_it="""
import threading
import pytest
@pytest.fixture
def threadexc():
def oops():
raise ValueError("Oops")
yield
t = threading.Thread(target=oops, name="MyThread")
t.start()
t.join()
def test_it(threadexc): pass
def test_2(): pass
"""
)
result = pytester.runpytest()
assert result.ret == 0
result.assert_outcomes(passed=2, warnings=1)
result.stdout.fnmatch_lines(
[
"*= warnings summary =*",
"test_it.py::test_it",
" * PytestUnhandledThreadExceptionWarning: Exception in thread MyThread",
" ",
" Traceback (most recent call last):",
" ValueError: Oops",
" ",
" warnings.warn(pytest.PytestUnhandledThreadExceptionWarning(msg))",
]
)
@pytest.mark.filterwarnings("error::pytest.PytestUnhandledThreadExceptionWarning")
def test_unhandled_thread_exception_warning_error(pytester: Pytester) -> None:
pytester.makepyfile(
test_it="""
import threading
import pytest
def test_it():
def oops():
raise ValueError("Oops")
t = threading.Thread(target=oops, name="MyThread")
t.start()
t.join()
def test_2(): pass
"""
)
result = pytester.runpytest()
assert result.ret == pytest.ExitCode.TESTS_FAILED
result.assert_outcomes(passed=1, failed=1)
@pytest.mark.filterwarnings("error::pytest.PytestUnhandledThreadExceptionWarning")
def test_threadexception_warning_multiple_errors(pytester: Pytester) -> None:
pytester.makepyfile(
test_it="""
import threading
def test_it():
def oops():
raise ValueError("Oops")
t = threading.Thread(target=oops, name="MyThread")
t.start()
t.join()
t = threading.Thread(target=oops, name="MyThread2")
t.start()
t.join()
def test_2(): pass
"""
)
result = pytester.runpytest()
assert result.ret == pytest.ExitCode.TESTS_FAILED
result.assert_outcomes(passed=1, failed=1)
result.stdout.fnmatch_lines(
[" | *ExceptionGroup: multiple thread exception warnings (2 sub-exceptions)"]
)
def test_unraisable_collection_failure(pytester: Pytester) -> None:
pytester.makepyfile(
test_it="""
import threading
class Thread(threading.Thread):
@property
def name(self):
raise RuntimeError("oops!")
def test_it():
def oops():
raise ValueError("Oops")
t = Thread(target=oops, name="MyThread")
t.start()
t.join()
def test_2(): pass
"""
)
result = pytester.runpytest()
assert result.ret == 1
result.assert_outcomes(passed=1, failed=1)
result.stdout.fnmatch_lines(
["E RuntimeError: Failed to process thread exception"]
)
def test_unhandled_thread_exception_after_teardown(pytester: Pytester) -> None:
pytester.makepyfile(
test_it="""
import threading
import pytest
def thread():
def oops():
raise ValueError("Oops")
t = threading.Thread(target=oops, name="MyThread")
t.start()
t.join()
def test_it(request):
request.config.add_cleanup(thread)
"""
)
result = pytester.runpytest("-Werror")
# TODO: should be a test failure or error
assert result.ret == pytest.ExitCode.INTERNAL_ERROR
result.assert_outcomes(passed=1)
result.stderr.fnmatch_lines("ValueError: Oops")
@pytest.mark.filterwarnings("error::pytest.PytestUnhandledThreadExceptionWarning")
def test_possibly_none_excinfo(pytester: Pytester) -> None:
pytester.makepyfile(
test_it="""
import threading
import types
def test_it():
threading.excepthook(
types.SimpleNamespace(
exc_type=RuntimeError,
exc_value=None,
exc_traceback=None,
thread=None,
)
)
"""
)
result = pytester.runpytest()
# TODO: should be a test failure or error
assert result.ret == pytest.ExitCode.TESTS_FAILED
result.assert_outcomes(failed=1)
result.stdout.fnmatch_lines(
[
"E pytest.PytestUnhandledThreadExceptionWarning:"
" Exception in thread <unknown>",
"E ",
"E NoneType: None",
]
)
|
