Vehicle-Anti-Theft-Face-Rec.../venv/Lib/site-packages/matplotlib/tests/test_matplotlib.py

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import os
import subprocess
import sys
import pytest
import matplotlib
@pytest.mark.skipif(
os.name == "nt", reason="chmod() doesn't work as is on Windows")
@pytest.mark.skipif(os.name != "nt" and os.geteuid() == 0,
reason="chmod() doesn't work as root")
def test_tmpconfigdir_warning(tmpdir):
"""Test that a warning is emitted if a temporary configdir must be used."""
mode = os.stat(tmpdir).st_mode
try:
os.chmod(tmpdir, 0)
proc = subprocess.run(
[sys.executable, "-c", "import matplotlib"],
env={**os.environ, "MPLCONFIGDIR": str(tmpdir)},
stderr=subprocess.PIPE, universal_newlines=True, check=True)
assert "set the MPLCONFIGDIR" in proc.stderr
finally:
os.chmod(tmpdir, mode)
def test_use_doc_standard_backends():
"""
Test that the standard backends mentioned in the docstring of
matplotlib.use() are the same as in matplotlib.rcsetup.
"""
def parse(key):
backends = []
for line in matplotlib.use.__doc__.split(key)[1].split('\n'):
if not line.strip():
break
backends += [e.strip() for e in line.split(',') if e]
return backends
assert (set(parse('- interactive backends:\n')) ==
set(matplotlib.rcsetup.interactive_bk))
assert (set(parse('- non-interactive backends:\n')) ==
set(matplotlib.rcsetup.non_interactive_bk))