test_ok1/py/_plugin/pytest_assertion.py

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import py
import sys
def pytest_addoption(parser):
group = parser.getgroup("debugconfig")
group._addoption('--no-assert', action="store_true", default=False,
dest="noassert",
help="disable python assert expression reinterpretation."),
def pytest_configure(config):
#if sys.platform.startswith("java"):
# return # XXX assertions don't work yet with jython 2.5.1
if not config.getvalue("noassert") and not config.getvalue("nomagic"):
warn_about_missing_assertion()
config._oldassertion = py.builtin.builtins.AssertionError
py.builtin.builtins.AssertionError = py.code._AssertionError
def pytest_unconfigure(config):
if hasattr(config, '_oldassertion'):
py.builtin.builtins.AssertionError = config._oldassertion
del config._oldassertion
def warn_about_missing_assertion():
try:
assert False
except AssertionError:
pass
else:
py.std.warnings.warn("Assertions are turned off!"
" (are you using python -O?)")