fr/fr_env/lib/python3.8/site-packages/matplotlib/tests/test_pyplot.py

84 lines
2.4 KiB
Python

import difflib
import subprocess
import sys
from pathlib import Path
import pytest
import matplotlib as mpl
from matplotlib import pyplot as plt
from matplotlib.cbook import MatplotlibDeprecationWarning
def test_pyplot_up_to_date(tmpdir):
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()
plt_file = tmpdir.join('pyplot.py')
plt_file.write_text(orig_contents, 'utf-8')
subprocess.run([sys.executable, str(gen_script), str(plt_file)],
check=True)
new_contents = plt_file.read_text('utf-8')
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
)
def test_copy_docstring_and_deprecators(recwarn):
@mpl.cbook._rename_parameter("(version)", "old", "new")
@mpl.cbook._make_keyword_only("(version)", "kwo")
def func(new, kwo=None):
pass
@plt._copy_docstring_and_deprecators(func)
def wrapper_func(new, kwo=None):
pass
wrapper_func(None)
wrapper_func(new=None)
wrapper_func(None, kwo=None)
wrapper_func(new=None, kwo=None)
assert not recwarn
with pytest.warns(MatplotlibDeprecationWarning):
wrapper_func(old=None)
with pytest.warns(MatplotlibDeprecationWarning):
wrapper_func(None, None)
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])
def test_nrows_error():
with pytest.raises(TypeError):
plt.subplot(nrows=1)
with pytest.raises(TypeError):
plt.subplot(ncols=1)