Delete .venv directory
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Untriex Programming
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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._api.rename_parameter("(version)", "old", "new")
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@mpl._api.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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def test_ioff():
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plt.ion()
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assert mpl.is_interactive()
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with plt.ioff():
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assert not mpl.is_interactive()
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assert mpl.is_interactive()
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plt.ioff()
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assert not mpl.is_interactive()
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with plt.ioff():
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assert not mpl.is_interactive()
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assert not mpl.is_interactive()
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def test_ion():
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plt.ioff()
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assert not mpl.is_interactive()
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with plt.ion():
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assert mpl.is_interactive()
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assert not mpl.is_interactive()
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plt.ion()
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assert mpl.is_interactive()
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with plt.ion():
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assert mpl.is_interactive()
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assert mpl.is_interactive()
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def test_nested_ion_ioff():
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# initial state is interactive
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plt.ion()
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# mixed ioff/ion
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with plt.ioff():
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assert not mpl.is_interactive()
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with plt.ion():
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assert mpl.is_interactive()
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assert not mpl.is_interactive()
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assert mpl.is_interactive()
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# redundant contexts
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with plt.ioff():
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with plt.ioff():
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assert not mpl.is_interactive()
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assert mpl.is_interactive()
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with plt.ion():
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plt.ioff()
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assert mpl.is_interactive()
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# initial state is not interactive
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plt.ioff()
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# mixed ioff/ion
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with plt.ion():
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assert mpl.is_interactive()
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with plt.ioff():
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assert not mpl.is_interactive()
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assert mpl.is_interactive()
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assert not mpl.is_interactive()
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# redundant contexts
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with plt.ion():
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with plt.ion():
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assert mpl.is_interactive()
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assert not mpl.is_interactive()
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with plt.ioff():
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plt.ion()
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assert not mpl.is_interactive()
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def test_close():
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try:
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plt.close(1.1)
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except TypeError as e:
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assert str(e) == "close() argument must be a Figure, an int, " \
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"a string, or None, not <class 'float'>"
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def test_subplot_reuse():
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ax1 = plt.subplot(121)
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assert ax1 is plt.gca()
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ax2 = plt.subplot(122)
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assert ax2 is plt.gca()
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ax3 = plt.subplot(121)
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assert ax1 is plt.gca()
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assert ax1 is ax3
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def test_axes_kwargs():
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# plt.axes() always creates new axes, even if axes kwargs differ.
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plt.figure()
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ax = plt.axes()
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ax1 = plt.axes()
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assert ax is not None
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assert ax1 is not ax
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plt.close()
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plt.figure()
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ax = plt.axes(projection='polar')
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ax1 = plt.axes(projection='polar')
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assert ax is not None
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assert ax1 is not ax
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plt.close()
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plt.figure()
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ax = plt.axes(projection='polar')
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ax1 = plt.axes()
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assert ax is not None
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assert ax1.name == 'rectilinear'
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assert ax1 is not ax
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plt.close()
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def test_subplot_replace_projection():
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# plt.subplot() searches for axes with the same subplot spec, and if one
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# exists, and the kwargs match returns it, create a new one if they do not
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fig = plt.figure()
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ax = plt.subplot(1, 2, 1)
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ax1 = plt.subplot(1, 2, 1)
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ax2 = plt.subplot(1, 2, 2)
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# This will delete ax / ax1 as they fully overlap
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ax3 = plt.subplot(1, 2, 1, projection='polar')
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ax4 = plt.subplot(1, 2, 1, projection='polar')
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assert ax is not None
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assert ax1 is ax
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assert ax2 is not ax
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assert ax3 is not ax
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assert ax3 is ax4
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assert ax not in fig.axes
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assert ax2 in fig.axes
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assert ax3 in fig.axes
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assert ax.name == 'rectilinear'
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assert ax2.name == 'rectilinear'
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assert ax3.name == 'polar'
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def test_subplot_kwarg_collision():
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ax1 = plt.subplot(projection='polar', theta_offset=0)
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ax2 = plt.subplot(projection='polar', theta_offset=0)
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assert ax1 is ax2
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ax3 = plt.subplot(projection='polar', theta_offset=1)
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assert ax1 is not ax3
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assert ax1 not in plt.gcf().axes
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def test_gca_kwargs():
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# plt.gca() returns an existing axes, unless there were no axes.
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plt.figure()
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ax = plt.gca()
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ax1 = plt.gca()
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assert ax is not None
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assert ax1 is ax
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plt.close()
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# plt.gca() raises a DeprecationWarning if called with kwargs.
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plt.figure()
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with pytest.warns(
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MatplotlibDeprecationWarning,
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match=r'Calling gca\(\) with keyword arguments was deprecated'):
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ax = plt.gca(projection='polar')
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ax1 = plt.gca()
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assert ax is not None
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assert ax1 is ax
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assert ax1.name == 'polar'
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plt.close()
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# plt.gca() ignores keyword arguments if an axes already exists.
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plt.figure()
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ax = plt.gca()
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with pytest.warns(
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MatplotlibDeprecationWarning,
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match=r'Calling gca\(\) with keyword arguments was deprecated'):
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ax1 = plt.gca(projection='polar')
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assert ax is not None
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assert ax1 is ax
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assert ax1.name == 'rectilinear'
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plt.close()
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def test_subplot_projection_reuse():
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# create an axes
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ax1 = plt.subplot(111)
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# check that it is current
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assert ax1 is plt.gca()
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# make sure we get it back if we ask again
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assert ax1 is plt.subplot(111)
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# create a polar plot
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ax2 = plt.subplot(111, projection='polar')
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assert ax2 is plt.gca()
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# this should have deleted the first axes
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assert ax1 not in plt.gcf().axes
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# assert we get it back if no extra parameters passed
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assert ax2 is plt.subplot(111)
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# now check explicitly setting the projection to rectilinear
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# makes a new axes
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ax3 = plt.subplot(111, projection='rectilinear')
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assert ax3 is plt.gca()
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assert ax3 is not ax2
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assert ax2 not in plt.gcf().axes
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def test_subplot_polar_normalization():
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ax1 = plt.subplot(111, projection='polar')
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ax2 = plt.subplot(111, polar=True)
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ax3 = plt.subplot(111, polar=True, projection='polar')
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assert ax1 is ax2
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assert ax1 is ax3
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with pytest.raises(ValueError,
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match="polar=True, yet projection='3d'"):
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ax2 = plt.subplot(111, polar=True, projection='3d')
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def test_subplot_change_projection():
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ax = plt.subplot()
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projections = ('aitoff', 'hammer', 'lambert', 'mollweide',
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'polar', 'rectilinear', '3d')
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for proj in projections:
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ax_next = plt.subplot(projection=proj)
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assert ax_next is plt.subplot()
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assert ax_next.name == proj
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assert ax is not ax_next
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ax = ax_next
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