/usr/lib/python3/dist-packages/tornado/test/options_test.py is in python3-tornado 4.2.1-1ubuntu3.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 | # -*- coding: utf-8 -*-
from __future__ import absolute_import, division, print_function, with_statement
import datetime
import os
import sys
from tornado.options import OptionParser, Error
from tornado.util import basestring_type
from tornado.test.util import unittest
try:
from cStringIO import StringIO # python 2
except ImportError:
from io import StringIO # python 3
try:
from unittest import mock # python 3.3
except ImportError:
try:
import mock # third-party mock package
except ImportError:
mock = None
class OptionsTest(unittest.TestCase):
def test_parse_command_line(self):
options = OptionParser()
options.define("port", default=80)
options.parse_command_line(["main.py", "--port=443"])
self.assertEqual(options.port, 443)
def test_parse_config_file(self):
options = OptionParser()
options.define("port", default=80)
options.define("username", default='foo')
options.parse_config_file(os.path.join(os.path.dirname(__file__),
"options_test.cfg"))
self.assertEquals(options.port, 443)
self.assertEqual(options.username, "李康")
def test_parse_callbacks(self):
options = OptionParser()
self.called = False
def callback():
self.called = True
options.add_parse_callback(callback)
# non-final parse doesn't run callbacks
options.parse_command_line(["main.py"], final=False)
self.assertFalse(self.called)
# final parse does
options.parse_command_line(["main.py"])
self.assertTrue(self.called)
# callbacks can be run more than once on the same options
# object if there are multiple final parses
self.called = False
options.parse_command_line(["main.py"])
self.assertTrue(self.called)
def test_help(self):
options = OptionParser()
try:
orig_stderr = sys.stderr
sys.stderr = StringIO()
with self.assertRaises(SystemExit):
options.parse_command_line(["main.py", "--help"])
usage = sys.stderr.getvalue()
finally:
sys.stderr = orig_stderr
self.assertIn("Usage:", usage)
def test_subcommand(self):
base_options = OptionParser()
base_options.define("verbose", default=False)
sub_options = OptionParser()
sub_options.define("foo", type=str)
rest = base_options.parse_command_line(
["main.py", "--verbose", "subcommand", "--foo=bar"])
self.assertEqual(rest, ["subcommand", "--foo=bar"])
self.assertTrue(base_options.verbose)
rest2 = sub_options.parse_command_line(rest)
self.assertEqual(rest2, [])
self.assertEqual(sub_options.foo, "bar")
# the two option sets are distinct
try:
orig_stderr = sys.stderr
sys.stderr = StringIO()
with self.assertRaises(Error):
sub_options.parse_command_line(["subcommand", "--verbose"])
finally:
sys.stderr = orig_stderr
def test_setattr(self):
options = OptionParser()
options.define('foo', default=1, type=int)
options.foo = 2
self.assertEqual(options.foo, 2)
def test_setattr_type_check(self):
# setattr requires that options be the right type and doesn't
# parse from string formats.
options = OptionParser()
options.define('foo', default=1, type=int)
with self.assertRaises(Error):
options.foo = '2'
def test_setattr_with_callback(self):
values = []
options = OptionParser()
options.define('foo', default=1, type=int, callback=values.append)
options.foo = 2
self.assertEqual(values, [2])
def _sample_options(self):
options = OptionParser()
options.define('a', default=1)
options.define('b', default=2)
return options
def test_iter(self):
options = self._sample_options()
# OptionParsers always define 'help'.
self.assertEqual(set(['a', 'b', 'help']), set(iter(options)))
def test_getitem(self):
options = self._sample_options()
self.assertEqual(1, options['a'])
def test_items(self):
options = self._sample_options()
# OptionParsers always define 'help'.
expected = [('a', 1), ('b', 2), ('help', options.help)]
actual = sorted(options.items())
self.assertEqual(expected, actual)
def test_as_dict(self):
options = self._sample_options()
expected = {'a': 1, 'b': 2, 'help': options.help}
self.assertEqual(expected, options.as_dict())
def test_group_dict(self):
options = OptionParser()
options.define('a', default=1)
options.define('b', group='b_group', default=2)
frame = sys._getframe(0)
this_file = frame.f_code.co_filename
self.assertEqual(set(['b_group', '', this_file]), options.groups())
b_group_dict = options.group_dict('b_group')
self.assertEqual({'b': 2}, b_group_dict)
self.assertEqual({}, options.group_dict('nonexistent'))
@unittest.skipIf(mock is None, 'mock package not present')
def test_mock_patch(self):
# ensure that our setattr hooks don't interfere with mock.patch
options = OptionParser()
options.define('foo', default=1)
options.parse_command_line(['main.py', '--foo=2'])
self.assertEqual(options.foo, 2)
with mock.patch.object(options.mockable(), 'foo', 3):
self.assertEqual(options.foo, 3)
self.assertEqual(options.foo, 2)
# Try nested patches mixed with explicit sets
with mock.patch.object(options.mockable(), 'foo', 4):
self.assertEqual(options.foo, 4)
options.foo = 5
self.assertEqual(options.foo, 5)
with mock.patch.object(options.mockable(), 'foo', 6):
self.assertEqual(options.foo, 6)
self.assertEqual(options.foo, 5)
self.assertEqual(options.foo, 2)
def test_types(self):
options = OptionParser()
options.define('str', type=str)
options.define('basestring', type=basestring_type)
options.define('int', type=int)
options.define('float', type=float)
options.define('datetime', type=datetime.datetime)
options.define('timedelta', type=datetime.timedelta)
options.parse_command_line(['main.py',
'--str=asdf',
'--basestring=qwer',
'--int=42',
'--float=1.5',
'--datetime=2013-04-28 05:16',
'--timedelta=45s'])
self.assertEqual(options.str, 'asdf')
self.assertEqual(options.basestring, 'qwer')
self.assertEqual(options.int, 42)
self.assertEqual(options.float, 1.5)
self.assertEqual(options.datetime,
datetime.datetime(2013, 4, 28, 5, 16))
self.assertEqual(options.timedelta, datetime.timedelta(seconds=45))
def test_multiple_string(self):
options = OptionParser()
options.define('foo', type=str, multiple=True)
options.parse_command_line(['main.py', '--foo=a,b,c'])
self.assertEqual(options.foo, ['a', 'b', 'c'])
def test_multiple_int(self):
options = OptionParser()
options.define('foo', type=int, multiple=True)
options.parse_command_line(['main.py', '--foo=1,3,5:7'])
self.assertEqual(options.foo, [1, 3, 5, 6, 7])
def test_error_redefine(self):
options = OptionParser()
options.define('foo')
with self.assertRaises(Error) as cm:
options.define('foo')
self.assertRegexpMatches(str(cm.exception),
'Option.*foo.*already defined')
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