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import re
import numpy as np
import pytest
from matplotlib import _api
@pytest.mark.parametrize('target,test_shape',
[((None, ), (1, 3)),
((None, 3), (1,)),
((None, 3), (1, 2)),
((1, 5), (1, 9)),
((None, 2, None), (1, 3, 1))
])
def test_check_shape(target, test_shape):
error_pattern = (f"^'aardvark' must be {len(target)}D.*" +
re.escape(f'has shape {test_shape}'))
data = np.zeros(test_shape)
with pytest.raises(ValueError, match=error_pattern):
_api.check_shape(target, aardvark=data)
def test_classproperty_deprecation():
class A:
@_api.deprecated("0.0.0")
@_api.classproperty
def f(cls):
pass
with pytest.warns(_api.MatplotlibDeprecationWarning):
A.f
with pytest.warns(_api.MatplotlibDeprecationWarning):
a = A()
a.f
def test_deprecate_privatize_attribute():
class C:
def __init__(self): self._attr = 1
def _meth(self, arg): return arg
attr = _api.deprecate_privatize_attribute("0.0")
meth = _api.deprecate_privatize_attribute("0.0")
c = C()
with pytest.warns(_api.MatplotlibDeprecationWarning):
assert c.attr == 1
with pytest.warns(_api.MatplotlibDeprecationWarning):
c.attr = 2
with pytest.warns(_api.MatplotlibDeprecationWarning):
assert c.attr == 2
with pytest.warns(_api.MatplotlibDeprecationWarning):
assert c.meth(42) == 42
def test_delete_parameter():
@_api.delete_parameter("3.0", "foo")
def func1(foo=None):
pass
@_api.delete_parameter("3.0", "foo")
def func2(**kwargs):
pass
for func in [func1, func2]:
func() # No warning.
with pytest.warns(_api.MatplotlibDeprecationWarning):
func(foo="bar")
def pyplot_wrapper(foo=_api.deprecation._deprecated_parameter):
func1(foo)
pyplot_wrapper() # No warning.
with pytest.warns(_api.MatplotlibDeprecationWarning):
func(foo="bar")
def test_make_keyword_only():
@_api.make_keyword_only("3.0", "arg")
def func(pre, arg, post=None):
pass
func(1, arg=2) # Check that no warning is emitted.
with pytest.warns(_api.MatplotlibDeprecationWarning):
func(1, 2)
with pytest.warns(_api.MatplotlibDeprecationWarning):
func(1, 2, 3)
def test_deprecation_alternative():
alternative = "`.f1`, `f2`, `f3(x) <.f3>` or `f4(x)<f4>`"
@_api.deprecated("1", alternative=alternative)
def f():
pass
assert alternative in f.__doc__
def test_empty_check_in_list():
with pytest.raises(TypeError, match="No argument to check!"):
_api.check_in_list(["a"])
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