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- import difflib
- import subprocess
- import sys
- from pathlib import Path
- import pytest
- import matplotlib as mpl
- from matplotlib import pyplot as plt
- def test_pyplot_up_to_date():
- gen_script = Path(mpl.__file__).parents[2] / "tools/boilerplate.py"
- if not gen_script.exists():
- pytest.skip("boilerplate.py not found")
- orig_contents = Path(plt.__file__).read_text()
- try:
- subprocess.run([sys.executable, str(gen_script)], check=True)
- new_contents = Path(plt.__file__).read_text()
- if orig_contents != new_contents:
- diff_msg = '\n'.join(
- difflib.unified_diff(
- orig_contents.split('\n'), new_contents.split('\n'),
- fromfile='found pyplot.py',
- tofile='expected pyplot.py',
- n=0, lineterm=''))
- pytest.fail(
- "pyplot.py is not up-to-date. Please run "
- "'python tools/boilerplate.py' to update pyplot.py. "
- "This needs to be done from an environment where your "
- "current working copy is installed (e.g. 'pip install -e'd). "
- "Here is a diff of unexpected differences:\n%s" % diff_msg
- )
- finally:
- Path(plt.__file__).write_text(orig_contents)
- def test_pyplot_box():
- fig, ax = plt.subplots()
- plt.box(False)
- assert not ax.get_frame_on()
- plt.box(True)
- assert ax.get_frame_on()
- plt.box()
- assert not ax.get_frame_on()
- plt.box()
- assert ax.get_frame_on()
- def test_stackplot_smoke():
- # Small smoke test for stackplot (see #12405)
- plt.stackplot([1, 2, 3], [1, 2, 3])
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