75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
|
import pickle
|
||
|
|
import subprocess
|
||
|
|
import sys
|
||
|
|
import textwrap
|
||
|
|
from importlib import reload
|
||
|
|
|
||
|
|
import pytest
|
||
|
|
|
||
|
|
import numpy.exceptions as ex
|
||
|
|
from numpy.testing import (
|
||
|
|
IS_WASM,
|
||
|
|
assert_,
|
||
|
|
assert_equal,
|
||
|
|
assert_raises,
|
||
|
|
assert_warns,
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def test_numpy_reloading():
|
||
|
|
# gh-7844. Also check that relevant globals retain their identity.
|
||
|
|
import numpy as np
|
||
|
|
import numpy._globals
|
||
|
|
|
||
|
|
_NoValue = np._NoValue
|
||
|
|
VisibleDeprecationWarning = ex.VisibleDeprecationWarning
|
||
|
|
ModuleDeprecationWarning = ex.ModuleDeprecationWarning
|
||
|
|
|
||
|
|
with assert_warns(UserWarning):
|
||
|
|
reload(np)
|
||
|
|
assert_(_NoValue is np._NoValue)
|
||
|
|
assert_(ModuleDeprecationWarning is ex.ModuleDeprecationWarning)
|
||
|
|
assert_(VisibleDeprecationWarning is ex.VisibleDeprecationWarning)
|
||
|
|
|
||
|
|
assert_raises(RuntimeError, reload, numpy._globals)
|
||
|
|
with assert_warns(UserWarning):
|
||
|
|
reload(np)
|
||
|
|
assert_(_NoValue is np._NoValue)
|
||
|
|
assert_(ModuleDeprecationWarning is ex.ModuleDeprecationWarning)
|
||
|
|
assert_(VisibleDeprecationWarning is ex.VisibleDeprecationWarning)
|
||
|
|
|
||
|
|
def test_novalue():
|
||
|
|
import numpy as np
|
||
|
|
for proto in range(2, pickle.HIGHEST_PROTOCOL + 1):
|
||
|
|
assert_equal(repr(np._NoValue), '<no value>')
|
||
|
|
assert_(pickle.loads(pickle.dumps(np._NoValue,
|
||
|
|
protocol=proto)) is np._NoValue)
|
||
|
|
|
||
|
|
|
||
|
|
@pytest.mark.skipif(IS_WASM, reason="can't start subprocess")
|
||
|
|
def test_full_reimport():
|
||
|
|
"""At the time of writing this, it is *not* truly supported, but
|
||
|
|
apparently enough users rely on it, for it to be an annoying change
|
||
|
|
when it started failing previously.
|
||
|
|
"""
|
||
|
|
# Test within a new process, to ensure that we do not mess with the
|
||
|
|
# global state during the test run (could lead to cryptic test failures).
|
||
|
|
# This is generally unsafe, especially, since we also reload the C-modules.
|
||
|
|
code = textwrap.dedent(r"""
|
||
|
|
import sys
|
||
|
|
from pytest import warns
|
||
|
|
import numpy as np
|
||
|
|
|
||
|
|
for k in list(sys.modules.keys()):
|
||
|
|
if "numpy" in k:
|
||
|
|
del sys.modules[k]
|
||
|
|
|
||
|
|
with warns(UserWarning):
|
||
|
|
import numpy as np
|
||
|
|
""")
|
||
|
|
p = subprocess.run([sys.executable, '-c', code], capture_output=True)
|
||
|
|
if p.returncode:
|
||
|
|
raise AssertionError(
|
||
|
|
f"Non-zero return code: {p.returncode!r}\n\n{p.stderr.decode()}"
|
||
|
|
)
|