mirror of https://github.com/mitsuhiko/flask.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
82 lines
2.2 KiB
82 lines
2.2 KiB
# -*- coding: utf-8 -*- |
|
""" |
|
tests |
|
~~~~~~~~~~~~~~~ |
|
|
|
Tests Flask itself. The majority of Flask is already tested |
|
as part of Werkzeug. |
|
|
|
:copyright: (c) 2014 by Armin Ronacher. |
|
:license: BSD, see LICENSE for more details. |
|
""" |
|
|
|
from __future__ import print_function |
|
|
|
import os |
|
import sys |
|
import warnings |
|
from functools import update_wrapper |
|
from contextlib import contextmanager |
|
from flask._compat import StringIO |
|
|
|
|
|
def add_to_path(path): |
|
"""Adds an entry to sys.path if it's not already there. This does |
|
not append it but moves it to the front so that we can be sure it |
|
is loaded. |
|
""" |
|
if not os.path.isdir(path): |
|
raise RuntimeError('Tried to add nonexisting path') |
|
|
|
def _samefile(x, y): |
|
if x == y: |
|
return True |
|
try: |
|
return os.path.samefile(x, y) |
|
except (IOError, OSError, AttributeError): |
|
# Windows has no samefile |
|
return False |
|
sys.path[:] = [x for x in sys.path if not _samefile(path, x)] |
|
sys.path.insert(0, path) |
|
|
|
|
|
@contextmanager |
|
def catch_warnings(): |
|
"""Catch warnings in a with block in a list""" |
|
# make sure deprecation warnings are active in tests |
|
warnings.simplefilter('default', category=DeprecationWarning) |
|
|
|
filters = warnings.filters |
|
warnings.filters = filters[:] |
|
old_showwarning = warnings.showwarning |
|
log = [] |
|
|
|
def showwarning(message, category, filename, lineno, file=None, line=None): |
|
log.append(locals()) |
|
try: |
|
warnings.showwarning = showwarning |
|
yield log |
|
finally: |
|
warnings.filters = filters |
|
warnings.showwarning = old_showwarning |
|
|
|
|
|
@contextmanager |
|
def catch_stderr(): |
|
"""Catch stderr in a StringIO""" |
|
old_stderr = sys.stderr |
|
sys.stderr = rv = StringIO() |
|
try: |
|
yield rv |
|
finally: |
|
sys.stderr = old_stderr |
|
|
|
|
|
def emits_module_deprecation_warning(f): |
|
def new_f(self, *args, **kwargs): |
|
with catch_warnings() as log: |
|
f(self, *args, **kwargs) |
|
assert log, 'expected deprecation warning' |
|
for entry in log: |
|
assert 'Modules are deprecated' in str(entry['message']) |
|
return update_wrapper(new_f, f)
|
|
|