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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))
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