本文整理汇总了Python中test.test_support.EnvironmentVarGuard.__exit__方法的典型用法代码示例。如果您正苦于以下问题：Python EnvironmentVarGuard.__exit__方法的具体用法？Python EnvironmentVarGuard.__exit__怎么用？Python EnvironmentVarGuard.__exit__使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类test.test_support.EnvironmentVarGuard的用法示例。
在下文中一共展示了EnvironmentVarGuard.__exit__方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: GetoptTests
# 需要导入模块: from test.test_support import EnvironmentVarGuard [as 别名]
# 或者: from test.test_support.EnvironmentVarGuard import __exit__ [as 别名]
class GetoptTests(unittest.TestCase):
def setUp(self):
self.env = EnvironmentVarGuard()
if "POSIXLY_CORRECT" in self.env:
del self.env["POSIXLY_CORRECT"]
def tearDown(self):
self.env.__exit__()
del self.env
def assertError(self, *args, **kwargs):
self.assertRaises(getopt.GetoptError, *args, **kwargs)
def test_short_has_arg(self):
self.assertTrue(getopt.short_has_arg('a', 'a:'))
self.assertFalse(getopt.short_has_arg('a', 'a'))
self.assertError(getopt.short_has_arg, 'a', 'b')
def test_long_has_args(self):
has_arg, option = getopt.long_has_args('abc', ['abc='])
self.assertTrue(has_arg)
self.assertEqual(option, 'abc')
has_arg, option = getopt.long_has_args('abc', ['abc'])
self.assertFalse(has_arg)
self.assertEqual(option, 'abc')
has_arg, option = getopt.long_has_args('abc', ['abcd'])
self.assertFalse(has_arg)
self.assertEqual(option, 'abcd')
self.assertError(getopt.long_has_args, 'abc', ['def'])
self.assertError(getopt.long_has_args, 'abc', [])
self.assertError(getopt.long_has_args, 'abc', ['abcd','abcde'])
def test_do_shorts(self):
opts, args = getopt.do_shorts([], 'a', 'a', [])
self.assertEqual(opts, [('-a', '')])
self.assertEqual(args, [])
opts, args = getopt.do_shorts([], 'a1', 'a:', [])
self.assertEqual(opts, [('-a', '1')])
self.assertEqual(args, [])
#opts, args = getopt.do_shorts([], 'a=1', 'a:', [])
#self.assertEqual(opts, [('-a', '1')])
#self.assertEqual(args, [])
opts, args = getopt.do_shorts([], 'a', 'a:', ['1'])
self.assertEqual(opts, [('-a', '1')])
self.assertEqual(args, [])
opts, args = getopt.do_shorts([], 'a', 'a:', ['1', '2'])
self.assertEqual(opts, [('-a', '1')])
self.assertEqual(args, ['2'])
self.assertError(getopt.do_shorts, [], 'a1', 'a', [])
self.assertError(getopt.do_shorts, [], 'a', 'a:', [])
def test_do_longs(self):
opts, args = getopt.do_longs([], 'abc', ['abc'], [])
self.assertEqual(opts, [('--abc', '')])
self.assertEqual(args, [])
opts, args = getopt.do_longs([], 'abc=1', ['abc='], [])
self.assertEqual(opts, [('--abc', '1')])
self.assertEqual(args, [])
opts, args = getopt.do_longs([], 'abc=1', ['abcd='], [])
self.assertEqual(opts, [('--abcd', '1')])
self.assertEqual(args, [])
opts, args = getopt.do_longs([], 'abc', ['ab', 'abc', 'abcd'], [])
self.assertEqual(opts, [('--abc', '')])
self.assertEqual(args, [])
# Much like the preceding, except with a non-alpha character ("-") in
# option name that precedes "="; failed in
# http://python.org/sf/126863
opts, args = getopt.do_longs([], 'foo=42', ['foo-bar', 'foo=',], [])
self.assertEqual(opts, [('--foo', '42')])
self.assertEqual(args, [])
self.assertError(getopt.do_longs, [], 'abc=1', ['abc'], [])
self.assertError(getopt.do_longs, [], 'abc', ['abc='], [])
def test_getopt(self):
# note: the empty string between '-a' and '--beta' is significant:
# it simulates an empty string option argument ('-a ""') on the
# command line.
cmdline = ['-a', '1', '-b', '--alpha=2', '--beta', '-a', '3', '-a',
'', '--beta', 'arg1', 'arg2']
opts, args = getopt.getopt(cmdline, 'a:b', ['alpha=', 'beta'])
self.assertEqual(opts, [('-a', '1'), ('-b', ''),
('--alpha', '2'), ('--beta', ''),
('-a', '3'), ('-a', ''), ('--beta', '')])
# Note ambiguity of ('-b', '') and ('-a', '') above. This must be
# accounted for in the code that calls getopt().
self.assertEqual(args, ['arg1', 'arg2'])
#.........这里部分代码省略.........