83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
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import os
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import subprocess
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import sys
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import pytest
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import matplotlib
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from matplotlib.testing import subprocess_run_for_testing
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@pytest.mark.parametrize('version_str, version_tuple', [
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('3.5.0', (3, 5, 0, 'final', 0)),
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('3.5.0rc2', (3, 5, 0, 'candidate', 2)),
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('3.5.0.dev820+g6768ef8c4c', (3, 5, 0, 'alpha', 820)),
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('3.5.0.post820+g6768ef8c4c', (3, 5, 1, 'alpha', 820)),
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])
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def test_parse_to_version_info(version_str, version_tuple):
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assert matplotlib._parse_to_version_info(version_str) == version_tuple
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@pytest.mark.skipif(sys.platform == "win32",
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reason="chmod() doesn't work as is on Windows")
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@pytest.mark.skipif(sys.platform != "win32" and os.geteuid() == 0,
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reason="chmod() doesn't work as root")
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def test_tmpconfigdir_warning(tmp_path):
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"""Test that a warning is emitted if a temporary configdir must be used."""
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mode = os.stat(tmp_path).st_mode
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try:
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os.chmod(tmp_path, 0)
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proc = subprocess_run_for_testing(
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[sys.executable, "-c", "import matplotlib"],
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env={**os.environ, "MPLCONFIGDIR": str(tmp_path)},
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stderr=subprocess.PIPE, text=True, check=True)
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assert "set the MPLCONFIGDIR" in proc.stderr
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finally:
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os.chmod(tmp_path, mode)
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def test_importable_with_no_home(tmp_path):
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subprocess_run_for_testing(
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[sys.executable, "-c",
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"import pathlib; pathlib.Path.home = lambda *args: 1/0; "
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"import matplotlib.pyplot"],
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env={**os.environ, "MPLCONFIGDIR": str(tmp_path)}, check=True)
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def test_use_doc_standard_backends():
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"""
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Test that the standard backends mentioned in the docstring of
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matplotlib.use() are the same as in matplotlib.rcsetup.
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"""
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def parse(key):
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backends = []
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for line in matplotlib.use.__doc__.split(key)[1].split('\n'):
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if not line.strip():
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break
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backends += [e.strip().lower() for e in line.split(',') if e]
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return backends
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from matplotlib.backends import BackendFilter, backend_registry
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assert (set(parse('- interactive backends:\n')) ==
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set(backend_registry.list_builtin(BackendFilter.INTERACTIVE)))
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assert (set(parse('- non-interactive backends:\n')) ==
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set(backend_registry.list_builtin(BackendFilter.NON_INTERACTIVE)))
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def test_importable_with__OO():
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"""
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When using -OO or export PYTHONOPTIMIZE=2, docstrings are discarded,
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this simple test may prevent something like issue #17970.
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"""
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program = (
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"import matplotlib as mpl; "
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"import matplotlib.pyplot as plt; "
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"import matplotlib.cbook as cbook; "
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"import matplotlib.patches as mpatches"
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)
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subprocess_run_for_testing(
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[sys.executable, "-OO", "-c", program],
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env={**os.environ, "MPLBACKEND": ""}, check=True
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)
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