/usr/lib/python3/dist-packages/tornado/test/testing_test.py is in python3-tornado 3.1.1-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 | #!/usr/bin/env python
from __future__ import absolute_import, division, print_function, with_statement
from tornado import gen, ioloop
from tornado.testing import AsyncTestCase, gen_test
from tornado.test.util import unittest
import contextlib
import os
@contextlib.contextmanager
def set_environ(name, value):
old_value = os.environ.get('name')
os.environ[name] = value
try:
yield
finally:
if old_value is None:
del os.environ[name]
else:
os.environ[name] = old_value
class AsyncTestCaseTest(AsyncTestCase):
def test_exception_in_callback(self):
self.io_loop.add_callback(lambda: 1 / 0)
try:
self.wait()
self.fail("did not get expected exception")
except ZeroDivisionError:
pass
def test_wait_timeout(self):
time = self.io_loop.time
# Accept default 5-second timeout, no error
self.io_loop.add_timeout(time() + 0.01, self.stop)
self.wait()
# Timeout passed to wait()
self.io_loop.add_timeout(time() + 1, self.stop)
with self.assertRaises(self.failureException):
self.wait(timeout=0.01)
# Timeout set with environment variable
self.io_loop.add_timeout(time() + 1, self.stop)
with set_environ('ASYNC_TEST_TIMEOUT', '0.01'):
with self.assertRaises(self.failureException):
self.wait()
def test_subsequent_wait_calls(self):
"""
This test makes sure that a second call to wait()
clears the first timeout.
"""
self.io_loop.add_timeout(self.io_loop.time() + 0.01, self.stop)
self.wait(timeout=0.02)
self.io_loop.add_timeout(self.io_loop.time() + 0.03, self.stop)
self.wait(timeout=0.15)
class SetUpTearDownTest(unittest.TestCase):
def test_set_up_tear_down(self):
"""
This test makes sure that AsyncTestCase calls super methods for
setUp and tearDown.
InheritBoth is a subclass of both AsyncTestCase and
SetUpTearDown, with the ordering so that the super of
AsyncTestCase will be SetUpTearDown.
"""
events = []
result = unittest.TestResult()
class SetUpTearDown(unittest.TestCase):
def setUp(self):
events.append('setUp')
def tearDown(self):
events.append('tearDown')
class InheritBoth(AsyncTestCase, SetUpTearDown):
def test(self):
events.append('test')
InheritBoth('test').run(result)
expected = ['setUp', 'test', 'tearDown']
self.assertEqual(expected, events)
class GenTest(AsyncTestCase):
def setUp(self):
super(GenTest, self).setUp()
self.finished = False
def tearDown(self):
self.assertTrue(self.finished)
super(GenTest, self).tearDown()
@gen_test
def test_sync(self):
self.finished = True
@gen_test
def test_async(self):
yield gen.Task(self.io_loop.add_callback)
self.finished = True
def test_timeout(self):
# Set a short timeout and exceed it.
@gen_test(timeout=0.1)
def test(self):
yield gen.Task(self.io_loop.add_timeout, self.io_loop.time() + 1)
with self.assertRaises(ioloop.TimeoutError):
test(self)
self.finished = True
def test_no_timeout(self):
# A test that does not exceed its timeout should succeed.
@gen_test(timeout=1)
def test(self):
time = self.io_loop.time
yield gen.Task(self.io_loop.add_timeout, time() + 0.1)
test(self)
self.finished = True
def test_timeout_environment_variable(self):
@gen_test(timeout=0.5)
def test_long_timeout(self):
time = self.io_loop.time
yield gen.Task(self.io_loop.add_timeout, time() + 0.25)
# Uses provided timeout of 0.5 seconds, doesn't time out.
with set_environ('ASYNC_TEST_TIMEOUT', '0.1'):
test_long_timeout(self)
self.finished = True
def test_no_timeout_environment_variable(self):
@gen_test(timeout=0.01)
def test_short_timeout(self):
time = self.io_loop.time
yield gen.Task(self.io_loop.add_timeout, time() + 1)
# Uses environment-variable timeout of 0.1, times out.
with set_environ('ASYNC_TEST_TIMEOUT', '0.1'):
with self.assertRaises(ioloop.TimeoutError):
test_short_timeout(self)
self.finished = True
if __name__ == '__main__':
unittest.main()
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