117 lines
3.1 KiB
Python
117 lines
3.1 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
"""
|
||
|
|
flask.testsuite.regression
|
||
|
|
~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
|
|
||
|
|
Tests regressions.
|
||
|
|
|
||
|
|
:copyright: (c) 2011 by Armin Ronacher.
|
||
|
|
:license: BSD, see LICENSE for more details.
|
||
|
|
"""
|
||
|
|
|
||
|
|
import os
|
||
|
|
import gc
|
||
|
|
import sys
|
||
|
|
import flask
|
||
|
|
import threading
|
||
|
|
import unittest
|
||
|
|
from werkzeug.exceptions import NotFound
|
||
|
|
from flask.testsuite import FlaskTestCase
|
||
|
|
|
||
|
|
|
||
|
|
_gc_lock = threading.Lock()
|
||
|
|
|
||
|
|
|
||
|
|
class _NoLeakAsserter(object):
|
||
|
|
|
||
|
|
def __init__(self, testcase):
|
||
|
|
self.testcase = testcase
|
||
|
|
|
||
|
|
def __enter__(self):
|
||
|
|
gc.disable()
|
||
|
|
_gc_lock.acquire()
|
||
|
|
loc = flask._request_ctx_stack._local
|
||
|
|
|
||
|
|
# Force Python to track this dictionary at all times.
|
||
|
|
# This is necessary since Python only starts tracking
|
||
|
|
# dicts if they contain mutable objects. It's a horrible,
|
||
|
|
# horrible hack but makes this kinda testable.
|
||
|
|
loc.__storage__['FOOO'] = [1, 2, 3]
|
||
|
|
|
||
|
|
gc.collect()
|
||
|
|
self.old_objects = len(gc.get_objects())
|
||
|
|
|
||
|
|
def __exit__(self, exc_type, exc_value, tb):
|
||
|
|
if not hasattr(sys, 'getrefcount'):
|
||
|
|
gc.collect()
|
||
|
|
new_objects = len(gc.get_objects())
|
||
|
|
if new_objects > self.old_objects:
|
||
|
|
self.testcase.fail('Example code leaked')
|
||
|
|
_gc_lock.release()
|
||
|
|
gc.enable()
|
||
|
|
|
||
|
|
|
||
|
|
class MemoryTestCase(FlaskTestCase):
|
||
|
|
|
||
|
|
def assert_no_leak(self):
|
||
|
|
return _NoLeakAsserter(self)
|
||
|
|
|
||
|
|
def test_memory_consumption(self):
|
||
|
|
app = flask.Flask(__name__)
|
||
|
|
@app.route('/')
|
||
|
|
def index():
|
||
|
|
return flask.render_template('simple_template.html', whiskey=42)
|
||
|
|
|
||
|
|
def fire():
|
||
|
|
with app.test_client() as c:
|
||
|
|
rv = c.get('/')
|
||
|
|
self.assert_equal(rv.status_code, 200)
|
||
|
|
self.assert_equal(rv.data, b'<h1>42</h1>')
|
||
|
|
|
||
|
|
# Trigger caches
|
||
|
|
fire()
|
||
|
|
|
||
|
|
# This test only works on CPython 2.7.
|
||
|
|
if sys.version_info >= (2, 7) and \
|
||
|
|
not hasattr(sys, 'pypy_translation_info'):
|
||
|
|
with self.assert_no_leak():
|
||
|
|
for x in range(10):
|
||
|
|
fire()
|
||
|
|
|
||
|
|
def test_safe_join_toplevel_pardir(self):
|
||
|
|
from flask.helpers import safe_join
|
||
|
|
with self.assert_raises(NotFound):
|
||
|
|
safe_join('/foo', '..')
|
||
|
|
|
||
|
|
|
||
|
|
class ExceptionTestCase(FlaskTestCase):
|
||
|
|
|
||
|
|
def test_aborting(self):
|
||
|
|
class Foo(Exception):
|
||
|
|
whatever = 42
|
||
|
|
app = flask.Flask(__name__)
|
||
|
|
app.testing = True
|
||
|
|
@app.errorhandler(Foo)
|
||
|
|
def handle_foo(e):
|
||
|
|
return str(e.whatever)
|
||
|
|
@app.route('/')
|
||
|
|
def index():
|
||
|
|
raise flask.abort(flask.redirect(flask.url_for('test')))
|
||
|
|
@app.route('/test')
|
||
|
|
def test():
|
||
|
|
raise Foo()
|
||
|
|
|
||
|
|
with app.test_client() as c:
|
||
|
|
rv = c.get('/')
|
||
|
|
self.assertEqual(rv.headers['Location'], 'http://localhost/test')
|
||
|
|
rv = c.get('/test')
|
||
|
|
self.assertEqual(rv.data, b'42')
|
||
|
|
|
||
|
|
|
||
|
|
def suite():
|
||
|
|
suite = unittest.TestSuite()
|
||
|
|
if os.environ.get('RUN_FLASK_MEMORY_TESTS') == '1':
|
||
|
|
suite.addTest(unittest.makeSuite(MemoryTestCase))
|
||
|
|
suite.addTest(unittest.makeSuite(ExceptionTestCase))
|
||
|
|
return suite
|