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Copy pathtest_pyplot.py
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155 lines (124 loc) · 4 KB
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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
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)
def test_ioff():
plt.ion()
assert mpl.is_interactive()
with plt.ioff():
assert not mpl.is_interactive()
assert mpl.is_interactive()
plt.ioff()
assert not mpl.is_interactive()
with plt.ioff():
assert not mpl.is_interactive()
assert not mpl.is_interactive()
def test_ion():
plt.ioff()
assert not mpl.is_interactive()
with plt.ion():
assert mpl.is_interactive()
assert not mpl.is_interactive()
plt.ion()
assert mpl.is_interactive()
with plt.ion():
assert mpl.is_interactive()
assert mpl.is_interactive()
def test_nested_ion_ioff():
# initial state is interactive
plt.ion()
# mixed ioff/ion
with plt.ioff():
assert not mpl.is_interactive()
with plt.ion():
assert mpl.is_interactive()
assert not mpl.is_interactive()
assert mpl.is_interactive()
# redundant contexts
with plt.ioff():
with plt.ioff():
assert not mpl.is_interactive()
assert mpl.is_interactive()
with plt.ion():
plt.ioff()
assert mpl.is_interactive()
# initial state is not interactive
plt.ioff()
# mixed ioff/ion
with plt.ion():
assert mpl.is_interactive()
with plt.ioff():
assert not mpl.is_interactive()
assert mpl.is_interactive()
assert not mpl.is_interactive()
# redunant contexts
with plt.ion():
with plt.ion():
assert mpl.is_interactive()
assert not mpl.is_interactive()
with plt.ioff():
plt.ion()
assert not mpl.is_interactive()