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62 lines
1.6 KiB
62 lines
1.6 KiB
# -*- coding: utf-8 -*- |
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""" |
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tests |
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~~~~~~~~~~~~~~~ |
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Tests Flask itself. The majority of Flask is already tested |
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as part of Werkzeug. |
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:copyright: (c) 2014 by Armin Ronacher. |
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:license: BSD, see LICENSE for more details. |
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""" |
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from __future__ import print_function |
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import os |
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import sys |
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import warnings |
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from functools import update_wrapper |
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from contextlib import contextmanager |
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from flask._compat import StringIO |
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@contextmanager |
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def catch_warnings(): |
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"""Catch warnings in a with block in a list""" |
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# make sure deprecation warnings are active in tests |
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warnings.simplefilter('default', category=DeprecationWarning) |
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filters = warnings.filters |
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warnings.filters = filters[:] |
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old_showwarning = warnings.showwarning |
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log = [] |
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def showwarning(message, category, filename, lineno, file=None, line=None): |
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log.append(locals()) |
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try: |
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warnings.showwarning = showwarning |
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yield log |
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finally: |
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warnings.filters = filters |
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warnings.showwarning = old_showwarning |
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@contextmanager |
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def catch_stderr(): |
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"""Catch stderr in a StringIO""" |
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old_stderr = sys.stderr |
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sys.stderr = rv = StringIO() |
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try: |
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yield rv |
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finally: |
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sys.stderr = old_stderr |
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def emits_module_deprecation_warning(f): |
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def new_f(self, *args, **kwargs): |
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with catch_warnings() as log: |
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f(self, *args, **kwargs) |
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assert log, 'expected deprecation warning' |
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for entry in log: |
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assert 'Modules are deprecated' in str(entry['message']) |
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return update_wrapper(new_f, f)
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