84 lines
2.4 KiB
Python
84 lines
2.4 KiB
Python
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import difflib
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import subprocess
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import sys
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from pathlib import Path
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import pytest
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import matplotlib as mpl
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from matplotlib import pyplot as plt
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from matplotlib.cbook import MatplotlibDeprecationWarning
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def test_pyplot_up_to_date(tmpdir):
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gen_script = Path(mpl.__file__).parents[2] / "tools/boilerplate.py"
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if not gen_script.exists():
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pytest.skip("boilerplate.py not found")
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orig_contents = Path(plt.__file__).read_text()
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plt_file = tmpdir.join('pyplot.py')
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plt_file.write_text(orig_contents, 'utf-8')
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subprocess.run([sys.executable, str(gen_script), str(plt_file)],
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check=True)
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new_contents = plt_file.read_text('utf-8')
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if orig_contents != new_contents:
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diff_msg = '\n'.join(
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difflib.unified_diff(
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orig_contents.split('\n'), new_contents.split('\n'),
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fromfile='found pyplot.py',
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tofile='expected pyplot.py',
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n=0, lineterm=''))
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pytest.fail(
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"pyplot.py is not up-to-date. Please run "
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"'python tools/boilerplate.py' to update pyplot.py. "
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"This needs to be done from an environment where your "
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"current working copy is installed (e.g. 'pip install -e'd). "
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"Here is a diff of unexpected differences:\n%s" % diff_msg
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)
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def test_copy_docstring_and_deprecators(recwarn):
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@mpl.cbook._rename_parameter("(version)", "old", "new")
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@mpl.cbook._make_keyword_only("(version)", "kwo")
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def func(new, kwo=None):
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pass
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@plt._copy_docstring_and_deprecators(func)
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def wrapper_func(new, kwo=None):
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pass
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wrapper_func(None)
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wrapper_func(new=None)
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wrapper_func(None, kwo=None)
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wrapper_func(new=None, kwo=None)
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assert not recwarn
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with pytest.warns(MatplotlibDeprecationWarning):
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wrapper_func(old=None)
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with pytest.warns(MatplotlibDeprecationWarning):
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wrapper_func(None, None)
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def test_pyplot_box():
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fig, ax = plt.subplots()
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plt.box(False)
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assert not ax.get_frame_on()
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plt.box(True)
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assert ax.get_frame_on()
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plt.box()
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assert not ax.get_frame_on()
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plt.box()
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assert ax.get_frame_on()
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def test_stackplot_smoke():
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# Small smoke test for stackplot (see #12405)
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plt.stackplot([1, 2, 3], [1, 2, 3])
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def test_nrows_error():
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with pytest.raises(TypeError):
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plt.subplot(nrows=1)
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with pytest.raises(TypeError):
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plt.subplot(ncols=1)
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