8000 Merge pull request #27726 from tacaswell/tst/finite_tests · matplotlib/matplotlib@27c3dc9 · GitHub
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greglucasgreglucas
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Merge pull request #27726 from tacaswell/tst/finite_tests
TST: always set a (long) timeout for subprocess and always use our wrapper
2 parents c6fd37d + 0515861 commit 27c3dc9

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9 files changed

+41
-38
lines changed

9 files changed

+41
-38
lines changed

‎lib/matplotlib/testing/__init__.py

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -50,7 +50,7 @@ def setup():
5050
set_reproducibility_for_testing()
5151

5252

53-
def subprocess_run_for_testing(command, env=None, timeout=None, stdout=None,
53+
def subprocess_run_for_testing(command, env=None, timeout=60, stdout=None,
5454
stderr=None, check=False, text=True,
5555
capture_output=False):
5656
"""

‎lib/matplotlib/tests/test_backend_nbagg.py

Lines changed: 5 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,10 +1,11 @@
11
import os
22
from pathlib import Path
3-
import subprocess
43
from tempfile import TemporaryDirectory
54

65
import pytest
76

7+
from matplotlib.testing import subprocess_run_for_testing
8+
89
nbformat = pytest.importorskip('nbformat')
910
pytest.importorskip('nbconvert')
1011
pytest.importorskip('ipykernel')
@@ -17,11 +18,12 @@ def test_ipynb():
1718

1819
with TemporaryDirectory() as tmpdir:
1920
out_path = Path(tmpdir, "out.ipynb")
20-
subprocess.check_call(
21+
subprocess_run_for_testing(
2122
["jupyter", "nbconvert", "--to", "notebook",
2223
"--execute", "--ExecutePreprocessor.timeout=500",
2324
"--output", str(out_path), str(nb_path)],
24-
env={**os.environ, "IPYTHONDIR": tmpdir})
25+
env={**os.environ, "IPYTHONDIR": tmpdir},
26+
check=True)
2527
with out_path.open() as out:
2628
nb = nbformat.read(out, nbformat.current_nbformat)
2729

‎lib/matplotlib/tests/test_backend_webagg.py

Lines changed: 3 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1,8 +1,9 @@
1-
import subprocess
21
import os
32
import sys
43
import pytest
4+
55
import matplotlib.backends.backend_webagg_core
6+
from matplotlib.testing import subprocess_run_for_testing
67

78

89
@pytest.mark.parametrize("backend", ["webagg", "nbagg"])
@@ -23,9 +24,7 @@ def test_webagg_fallback(backend):
2324
+ "print(plt.get_backend());"
2425
f"assert '{backend}' == plt.get_backend().lower();"
2526
)
26-
ret = subprocess.call([sys.executable, "-c", test_code], env=env)
27-
28-
assert ret == 0
27+
subprocess_run_for_testing([sys.executable, "-c", test_code], env=env, check=True)
2928

3029

3130
def test_webagg_core_no_toolbar():

‎lib/matplotlib/tests/test_basic.py

Lines changed: 5 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -1,9 +1,10 @@
< B41A /td>
11
import builtins
22
import os
3-
import subprocess
43
import sys
54
import textwrap
65

6+
from matplotlib.testing import subprocess_run_for_testing
7+
78

89
def test_simple():
910
assert 1 + 1 == 2
@@ -41,6 +42,7 @@ def test_lazy_imports():
4142
assert 'urllib.request' not in sys.modules
4243
""")
4344

44-
subprocess.check_call(
45+
subprocess_run_for_testing(
4546
[sys.executable, '-c', source],
46-
env={**os.environ, "MPLBACKEND": "", "MATPLOTLIBRC": os.devnull})
47+
env={**os.environ, "MPLBACKEND": "", "MATPLOTLIBRC": os.devnull},
48+
check=True)

‎lib/matplotlib/tests/test_determinism.py

Lines changed: 6 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,6 @@
33
"""
44

55
import os
6-
import subprocess
76
import sys
87

98
import pytest
@@ -12,6 +11,7 @@
1211
import matplotlib.testing.compare
1312
from matplotlib import pyplot as plt
1413
from matplotlib.testing._markers import needs_ghostscript, needs_usetex
14+
from matplotlib.testing import subprocess_run_for_testing
1515

1616

1717
def _save_figure(objects='mhi', fmt="pdf", usetex=False):
@@ -89,12 +89,13 @@ def test_determinism_check(objects, fmt, usetex):
8989
Output format.
9090
"""
9191
plots = [
92-
subprocess.check_output(
92+
subprocess_run_for_testing(
9393
[sys.executable, "-R", "-c",
9494
f"from matplotlib.tests.test_determinism import _save_figure;"
9595
f"_save_figure({objects!r}, {fmt!r}, {usetex})"],
9696
env={**os.environ, "SOURCE_DATE_EPOCH": "946684800",
97-
"MPLBACKEND": "Agg"})
97+
"MPLBACKEND": "Agg"},
98+
text=False, capture_output=True, check=True).stdout
9899
for _ in range(3)
99100
]
100101
for p in plots[1:]:
@@ -129,10 +130,10 @@ def test_determinism_source_date_epoch(fmt, string):
129130
string : bytes
130131
Timestamp string for 2000-01-01 00:00 UTC.
131132
"""
132-
buf = subprocess.check_output(
133+
buf = subprocess_run_for_testing(
133134
[sys.executable, "-R", "-c",
134135
f"from matplotlib.tests.test_determinism import _save_figure; "
135136
f"_save_figure('', {fmt!r})"],
136137
env={**os.environ, "SOURCE_DATE_EPOCH": "946684800",
137-
"MPLBACKEND": "Agg"})
138+
"MPLBACKEND": "Agg"}, capture_output=True, text=False, check=True).stdout
138139
assert string in buf

‎lib/matplotlib/tests/test_font_manager.py

Lines changed: 4 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,6 @@
55
from pathlib import Path
66
from PIL import Image
77
import shutil
8-
import subprocess
98
import sys
109
import warnings
1110

@@ -17,6 +16,8 @@
1716
json_dump, json_load, get_font, is_opentype_cff_font,
1817
MSUserFontDirectories, _get_fontconfig_fonts, ttfFontProperty)
1918
from matplotlib import cbook, ft2font, pyplot as plt, rc_context, figure as mfigure
19+
from matplotlib.testing import subprocess_run_helper
20+
2021

2122
has_fclist = shutil.which('fc-list') is not None
2223

@@ -275,15 +276,8 @@ def bad_idea(n):
275276

276277
def test_fontcache_thread_safe():
277278
pytest.importorskip('threading')
278-
import inspect
279-
280-
proc = subprocess.run(
281-
[sys.executable, "-c",
282-
inspect.getsource(_test_threading) + '\n_test_threading()']
283-
)
284-
if proc.returncode:
285-
pytest.fail("The subprocess returned with non-zero exit status "
286-
f"{proc.returncode}.")
279+
280+
subprocess_run_helper(_test_threading, timeout=10)
287281

288282

289283
def test_fontentry_dataclass():

‎lib/matplotlib/tests/test_matplotlib.py

Lines changed: 7 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -5,6 +5,7 @@
55
import pytest
66

77
import matplotlib
8+
from matplotlib.testing import subprocess_run_for_testing
89

910

1011
@pytest.mark.parametrize('version_str, version_tuple', [
@@ -26,7 +27,7 @@ def test_tmpconfigdir_warning(tmp_path):
2627
mode = os.stat(tmp_path).st_mode
2728
try:
2829
os.chmod(tmp_path, 0)
29-
proc = subprocess.run(
30+
proc = subprocess_run_for_testing(
3031
[sys.executable, "-c", "import matplotlib"],
3132
env={**os.environ, "MPLCONFIGDIR": str(tmp_path)},
3233
stderr=subprocess.PIPE, text=True, check=True)
@@ -36,7 +37,7 @@ def test_tmpconfigdir_warning(tmp_path):
3637

3738

3839
def test_importable_with_no_home(tmp_path):
39-
subprocess.run(
40+
subprocess_run_for_testing(
4041
[sys.executable, "-c",
4142
"import pathlib; pathlib.Path.home = lambda *args: 1/0; "
4243
"import matplotlib.pyplot"],
@@ -73,5 +74,7 @@ def test_importable_with__OO():
7374
"import matplotlib.cbook as cbook; "
7475
"import matplotlib.patches as mpatches"
7576
)
76-
cmd = [sys.executable, "-OO", "-c", program]
77-
assert subprocess.call(cmd, env={**os.environ, "MPLBACKEND": ""}) == 0
77+
subprocess_run_for_testing(
78+
[sys.executable, "-OO", "-c", program],
79+
env={**os.environ, "MPLBACKEND": ""}, check=True
80+
)

‎lib/matplotlib/tests/test_rcparams.py

Lines changed: 4 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -29,6 +29,7 @@
2929
validate_sketch,
3030
_validate_linestyle,
3131
_listify_validator)
32+
from matplotlib.testing import subprocess_run_for_testing
3233

3334

3435
def test_rcparams(tmp_path):
@@ -524,7 +525,7 @@ def test_backend_fallback_headless(tmp_path):
524525
"DISPLAY": "", "WAYLAND_DISPLAY": "",
525526
"MPLBACKEND": "", "MPLCONFIGDIR": str(tmp_path)}
526527
with pytest.raises(subprocess.CalledProcessError):
527-
subprocess.run(
528+
subprocess_run_for_testing(
528529
[sys.executable, "-c",
529530
"import matplotlib;"
530531
"matplotlib.use('tkagg');"
@@ -540,7 +541,7 @@ def test_backend_fallback_headless(tmp_path):
540541
def test_backend_fallback_headful(tmp_path):
541542
pytest.importorskip("tkinter")
542543
env = {**os.environ, "MPLBACKEND": "", "MPLCONFIGDIR": str(tmp_path)}
543-
backend = subprocess.check_output(
544+
backend = subprocess_run_for_testing(
544545
[sys.executable, "-c",
545546
"import matplotlib as mpl; "
546547
"sentinel = mpl.rcsetup._auto_backend_sentinel; "
@@ -549,7 +550,7 @@ def test_backend_fallback_headful(tmp_path):
549550
"assert mpl.rcParams._get('backend') == sentinel; "
550551
"import matplotlib.pyplot; "
551552
"print(matplotlib.get_backend())"],
552-
env=env, text=True)
553+
env=env, text=True, check=True, capture_output=True).stdout
553554
# The actual backend will depend on what's installed, but at least tkagg is
554555
# present.
555556
assert backend.strip().lower() != "agg"

‎lib/matplotlib/tests/test_texmanager.py

Lines changed: 6 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1,13 +1,14 @@
11
import os
22
from pathlib import Path
33
import re
4-
import subprocess
54
import sys
65

6+
import pytest
7+
78
import matplotlib.pyplot as plt
8-
from matplotlib.texmanager import TexManager
9+
from matplotlib.testing import subprocess_run_for_testing
910
from matplotlib.testing._markers import needs_usetex
10-
import pytest
11+
from matplotlib.texmanager import TexManager
1112

1213

1314
def test_fontconfig_preamble():
@@ -64,11 +65,11 @@ def test_unicode_characters():
6465

6566
@needs_usetex
6667
def test_openin_any_paranoid():
67-
completed = subprocess.run(
68+
completed = subprocess_run_for_testing(
6869
[sys.executable, "-c",
6970
'import matplotlib.pyplot as plt;'
7071
'plt.rcParams.update({"text.usetex": True});'
7172
'plt.title("paranoid");'
7273
'plt.show(block=False);'],
7374
env={**os.environ, 'openin_any': 'p'}, check=True, capture_output=True)
74-
assert completed.stderr == b""
75+
assert completed.stderr == ""

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