2014-06-11 08:34:28 +00:00
|
|
|
# coding: utf-8
|
|
|
|
from __future__ import absolute_import, division, print_function, with_statement
|
|
|
|
import sys
|
|
|
|
|
|
|
|
from tornado.escape import utf8
|
|
|
|
from tornado.util import raise_exc_info, Configurable, u, exec_in, ArgReplacer
|
|
|
|
from tornado.test.util import unittest
|
|
|
|
|
|
|
|
try:
|
|
|
|
from cStringIO import StringIO # py2
|
|
|
|
except ImportError:
|
|
|
|
from io import StringIO # py3
|
|
|
|
|
|
|
|
|
|
|
|
class RaiseExcInfoTest(unittest.TestCase):
|
|
|
|
def test_two_arg_exception(self):
|
|
|
|
# This test would fail on python 3 if raise_exc_info were simply
|
|
|
|
# a three-argument raise statement, because TwoArgException
|
|
|
|
# doesn't have a "copy constructor"
|
|
|
|
class TwoArgException(Exception):
|
|
|
|
def __init__(self, a, b):
|
|
|
|
super(TwoArgException, self).__init__()
|
|
|
|
self.a, self.b = a, b
|
|
|
|
|
|
|
|
try:
|
|
|
|
raise TwoArgException(1, 2)
|
|
|
|
except TwoArgException:
|
|
|
|
exc_info = sys.exc_info()
|
|
|
|
try:
|
|
|
|
raise_exc_info(exc_info)
|
|
|
|
self.fail("didn't get expected exception")
|
|
|
|
except TwoArgException as e:
|
|
|
|
self.assertIs(e, exc_info[1])
|
|
|
|
|
|
|
|
|
|
|
|
class TestConfigurable(Configurable):
|
|
|
|
@classmethod
|
|
|
|
def configurable_base(cls):
|
|
|
|
return TestConfigurable
|
|
|
|
|
|
|
|
@classmethod
|
|
|
|
def configurable_default(cls):
|
|
|
|
return TestConfig1
|
|
|
|
|
|
|
|
|
|
|
|
class TestConfig1(TestConfigurable):
|
|
|
|
def initialize(self, a=None):
|
|
|
|
self.a = a
|
|
|
|
|
|
|
|
|
|
|
|
class TestConfig2(TestConfigurable):
|
|
|
|
def initialize(self, b=None):
|
|
|
|
self.b = b
|
|
|
|
|
|
|
|
|
|
|
|
class ConfigurableTest(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
|
|
self.saved = TestConfigurable._save_configuration()
|
|
|
|
|
|
|
|
def tearDown(self):
|
|
|
|
TestConfigurable._restore_configuration(self.saved)
|
|
|
|
|
|
|
|
def checkSubclasses(self):
|
|
|
|
# no matter how the class is configured, it should always be
|
|
|
|
# possible to instantiate the subclasses directly
|
|
|
|
self.assertIsInstance(TestConfig1(), TestConfig1)
|
|
|
|
self.assertIsInstance(TestConfig2(), TestConfig2)
|
|
|
|
|
|
|
|
obj = TestConfig1(a=1)
|
|
|
|
self.assertEqual(obj.a, 1)
|
|
|
|
obj = TestConfig2(b=2)
|
|
|
|
self.assertEqual(obj.b, 2)
|
|
|
|
|
|
|
|
def test_default(self):
|
|
|
|
obj = TestConfigurable()
|
|
|
|
self.assertIsInstance(obj, TestConfig1)
|
|
|
|
self.assertIs(obj.a, None)
|
|
|
|
|
|
|
|
obj = TestConfigurable(a=1)
|
|
|
|
self.assertIsInstance(obj, TestConfig1)
|
|
|
|
self.assertEqual(obj.a, 1)
|
|
|
|
|
|
|
|
self.checkSubclasses()
|
|
|
|
|
|
|
|
def test_config_class(self):
|
|
|
|
TestConfigurable.configure(TestConfig2)
|
|
|
|
obj = TestConfigurable()
|
|
|
|
self.assertIsInstance(obj, TestConfig2)
|
|
|
|
self.assertIs(obj.b, None)
|
|
|
|
|
|
|
|
obj = TestConfigurable(b=2)
|
|
|
|
self.assertIsInstance(obj, TestConfig2)
|
|
|
|
self.assertEqual(obj.b, 2)
|
|
|
|
|
|
|
|
self.checkSubclasses()
|
|
|
|
|
|
|
|
def test_config_args(self):
|
|
|
|
TestConfigurable.configure(None, a=3)
|
|
|
|
obj = TestConfigurable()
|
|
|
|
self.assertIsInstance(obj, TestConfig1)
|
|
|
|
self.assertEqual(obj.a, 3)
|
|
|
|
|
|
|
|
obj = TestConfigurable(a=4)
|
|
|
|
self.assertIsInstance(obj, TestConfig1)
|
|
|
|
self.assertEqual(obj.a, 4)
|
|
|
|
|
|
|
|
self.checkSubclasses()
|
|
|
|
# args bound in configure don't apply when using the subclass directly
|
|
|
|
obj = TestConfig1()
|
|
|
|
self.assertIs(obj.a, None)
|
|
|
|
|
|
|
|
def test_config_class_args(self):
|
|
|
|
TestConfigurable.configure(TestConfig2, b=5)
|
|
|
|
obj = TestConfigurable()
|
|
|
|
self.assertIsInstance(obj, TestConfig2)
|
|
|
|
self.assertEqual(obj.b, 5)
|
|
|
|
|
|
|
|
obj = TestConfigurable(b=6)
|
|
|
|
self.assertIsInstance(obj, TestConfig2)
|
|
|
|
self.assertEqual(obj.b, 6)
|
|
|
|
|
|
|
|
self.checkSubclasses()
|
|
|
|
# args bound in configure don't apply when using the subclass directly
|
|
|
|
obj = TestConfig2()
|
|
|
|
self.assertIs(obj.b, None)
|
|
|
|
|
|
|
|
|
|
|
|
class UnicodeLiteralTest(unittest.TestCase):
|
|
|
|
def test_unicode_escapes(self):
|
|
|
|
self.assertEqual(utf8(u('\u00e9')), b'\xc3\xa9')
|
|
|
|
|
|
|
|
|
|
|
|
class ExecInTest(unittest.TestCase):
|
|
|
|
# This test is python 2 only because there are no new future imports
|
|
|
|
# defined in python 3 yet.
|
|
|
|
@unittest.skipIf(sys.version_info >= print_function.getMandatoryRelease(),
|
|
|
|
'no testable future imports')
|
|
|
|
def test_no_inherit_future(self):
|
|
|
|
# This file has from __future__ import print_function...
|
|
|
|
f = StringIO()
|
|
|
|
print('hello', file=f)
|
|
|
|
# ...but the template doesn't
|
|
|
|
exec_in('print >> f, "world"', dict(f=f))
|
|
|
|
self.assertEqual(f.getvalue(), 'hello\nworld\n')
|
|
|
|
|
|
|
|
|
|
|
|
class ArgReplacerTest(unittest.TestCase):
|
|
|
|
def setUp(self):
|
|
|
|
def function(x, y, callback=None, z=None):
|
|
|
|
pass
|
|
|
|
self.replacer = ArgReplacer(function, 'callback')
|
|
|
|
|
|
|
|
def test_omitted(self):
|
2014-06-17 04:54:00 +00:00
|
|
|
args = (1, 2)
|
|
|
|
kwargs = dict()
|
|
|
|
self.assertIs(self.replacer.get_old_value(args, kwargs), None)
|
|
|
|
self.assertEqual(self.replacer.replace('new', args, kwargs),
|
2014-06-11 08:34:28 +00:00
|
|
|
(None, (1, 2), dict(callback='new')))
|
|
|
|
|
|
|
|
def test_position(self):
|
2014-06-17 04:54:00 +00:00
|
|
|
args = (1, 2, 'old', 3)
|
|
|
|
kwargs = dict()
|
|
|
|
self.assertEqual(self.replacer.get_old_value(args, kwargs), 'old')
|
|
|
|
self.assertEqual(self.replacer.replace('new', args, kwargs),
|
2014-06-11 08:34:28 +00:00
|
|
|
('old', [1, 2, 'new', 3], dict()))
|
|
|
|
|
|
|
|
def test_keyword(self):
|
2014-06-17 04:54:00 +00:00
|
|
|
args = (1,)
|
|
|
|
kwargs = dict(y=2, callback='old', z=3)
|
|
|
|
self.assertEqual(self.replacer.get_old_value(args, kwargs), 'old')
|
|
|
|
self.assertEqual(self.replacer.replace('new', args, kwargs),
|
2014-06-11 08:34:28 +00:00
|
|
|
('old', (1,), dict(y=2, callback='new', z=3)))
|