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#!/usr/bin/env python
import unittest
import sys
# py3k has StringIO in a different module
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
from glib.option import OptionParser, OptionGroup, OptionValueError, \
make_option, BadOptionError
from compathelper import _bytes
class TestOption(unittest.TestCase):
EXCEPTION_MESSAGE = "This callback fails"
def setUp(self):
self.parser = OptionParser("NAMES...",
description="Option unit test")
self.parser.add_option("-t", "--test", help="Unit test option",
action="store_false", dest="test", default=True)
self.parser.add_option("--g-fatal-warnings",
action="store_true",
dest="fatal_warnings",
help="dummy"),
def _create_group(self):
def option_callback(option, opt, value, parser):
raise Exception(self.EXCEPTION_MESSAGE)
group = OptionGroup(
"unittest", "Unit test options", "Show all unittest options",
option_list = [
make_option("-f", "-u", "--file", "--unit-file",
type="filename",
dest="unit_file",
help="Unit test option"),
make_option("--test-integer",
type="int",
dest="test_integer",
help="Unit integer option"),
make_option("--callback-failure-test",
action="callback",
callback=option_callback,
dest="test_integer",
help="Unit integer option"),
])
group.add_option("-t", "--test",
action="store_false",
dest="test",
default=True,
help="Unit test option")
self.parser.add_option_group(group)
return group
def testParseArgs(self):
options, args = self.parser.parse_args(
["test_option.py"])
self.failIf(args)
options, args = self.parser.parse_args(
["test_option.py", "foo"])
self.assertEquals(args, ["foo"])
options, args = self.parser.parse_args(
["test_option.py", "foo", "bar"])
self.assertEquals(args, ["foo", "bar"])
def testParseArgsDoubleDash(self):
options, args = self.parser.parse_args(
["test_option.py", "--", "-xxx"])
#self.assertEquals(args, ["-xxx"])
def testParseArgs(self):
options, args = self.parser.parse_args()
def testParseArgsGroup(self):
group = self._create_group()
options, args = self.parser.parse_args(
["test_option.py", "--test", "-f", "test"])
self.failIf(options.test)
self.assertEqual(options.unit_file, "test")
self.failUnless(group.values.test)
self.failIf(self.parser.values.test)
self.assertEqual(group.values.unit_file, "test")
self.failIf(args)
def testOptionValueError(self):
self._create_group()
self.assertRaises(OptionValueError, self.parser.parse_args,
["test_option.py", "--test-integer=text"])
def testBadOptionError(self):
self.assertRaises(BadOptionError,
self.parser.parse_args,
["test_option.py", "--unknwon-option"])
def testOptionGroupConstructor(self):
self.assertRaises(TypeError, OptionGroup)
def testStandardError(self):
self._create_group()
sio = StringIO()
old_stderr = sys.stderr
sys.stderr = sio
try:
self.parser.parse_args(
["test_option.py", "--callback-failure-test"])
finally:
sys.stderr = old_stderr
assert (sio.getvalue().split('\n')[-2] ==
"Exception: " + self.EXCEPTION_MESSAGE)
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