You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.3 KiB
Python
48 lines
1.3 KiB
Python
10 years ago
|
from __future__ import absolute_import
|
||
|
|
|
||
|
|
import warnings
|
||
|
|
from .. import exc as sa_exc
|
||
|
|
from .. import util
|
||
|
|
|
||
|
|
|
||
|
|
def testing_warn(msg, stacklevel=3):
|
||
|
|
"""Replaces sqlalchemy.util.warn during tests."""
|
||
|
|
|
||
|
|
filename = "sqlalchemy.testing.warnings"
|
||
|
|
lineno = 1
|
||
|
|
if isinstance(msg, basestring):
|
||
|
|
warnings.warn_explicit(msg, sa_exc.SAWarning, filename, lineno)
|
||
|
|
else:
|
||
|
|
warnings.warn_explicit(msg, filename, lineno)
|
||
|
|
|
||
|
|
|
||
|
|
def resetwarnings():
|
||
|
|
"""Reset warning behavior to testing defaults."""
|
||
|
|
|
||
|
|
util.warn = util.langhelpers.warn = testing_warn
|
||
|
|
|
||
|
|
warnings.filterwarnings('ignore',
|
||
|
|
category=sa_exc.SAPendingDeprecationWarning)
|
||
|
|
warnings.filterwarnings('error', category=sa_exc.SADeprecationWarning)
|
||
|
|
warnings.filterwarnings('error', category=sa_exc.SAWarning)
|
||
|
|
|
||
|
|
|
||
|
|
def assert_warnings(fn, warnings):
|
||
|
|
"""Assert that each of the given warnings are emitted by fn."""
|
||
|
|
|
||
|
|
from .assertions import eq_, emits_warning
|
||
|
|
|
||
|
|
canary = []
|
||
|
|
orig_warn = util.warn
|
||
|
|
|
||
|
|
def capture_warnings(*args, **kw):
|
||
|
|
orig_warn(*args, **kw)
|
||
|
|
popwarn = warnings.pop(0)
|
||
|
|
canary.append(popwarn)
|
||
|
|
eq_(args[0], popwarn)
|
||
|
|
util.warn = util.langhelpers.warn = capture_warnings
|
||
|
|
|
||
|
|
result = emits_warning()(fn)()
|
||
|
|
assert canary, "No warning was emitted"
|
||
|
|
return result
|