222 lines
8.4 KiB
Python
222 lines
8.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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# Copyright 2011 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import exceptions
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import os
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import tempfile
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from nova import flags
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from nova import test
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FLAGS = flags.FLAGS
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flags.DEFINE_string('flags_unittest', 'foo', 'for testing purposes only')
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class FlagsTestCase(test.TestCase):
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def setUp(self):
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super(FlagsTestCase, self).setUp()
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self.FLAGS = flags.FlagValues()
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self.global_FLAGS = flags.FLAGS
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def test_define(self):
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self.assert_('string' not in self.FLAGS)
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self.assert_('int' not in self.FLAGS)
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self.assert_('false' not in self.FLAGS)
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self.assert_('true' not in self.FLAGS)
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flags.DEFINE_string('string', 'default', 'desc',
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flag_values=self.FLAGS)
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flags.DEFINE_integer('int', 1, 'desc', flag_values=self.FLAGS)
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flags.DEFINE_bool('false', False, 'desc', flag_values=self.FLAGS)
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flags.DEFINE_bool('true', True, 'desc', flag_values=self.FLAGS)
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self.assert_(self.FLAGS['string'])
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self.assert_(self.FLAGS['int'])
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self.assert_(self.FLAGS['false'])
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self.assert_(self.FLAGS['true'])
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self.assertEqual(self.FLAGS.string, 'default')
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self.assertEqual(self.FLAGS.int, 1)
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self.assertEqual(self.FLAGS.false, False)
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self.assertEqual(self.FLAGS.true, True)
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argv = ['flags_test',
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'--string', 'foo',
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'--int', '2',
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'--false',
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'--notrue']
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self.FLAGS(argv)
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self.assertEqual(self.FLAGS.string, 'foo')
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self.assertEqual(self.FLAGS.int, 2)
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self.assertEqual(self.FLAGS.false, True)
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self.assertEqual(self.FLAGS.true, False)
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def test_define_float(self):
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flags.DEFINE_float('float', 6.66, 'desc', flag_values=self.FLAGS)
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self.assertEqual(self.FLAGS.float, 6.66)
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def test_define_multistring(self):
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flags.DEFINE_multistring('multi', ['blaa'], 'desc',
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flag_values=self.FLAGS)
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self.assert_(self.FLAGS['multi'])
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self.assertEqual(self.FLAGS.multi, ['blaa'])
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argv = ['flags_test', '--multi', 'foo', '--multi', 'bar']
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self.FLAGS(argv)
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self.assertEqual(self.FLAGS.multi, ['foo', 'bar'])
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# Re-parse to test multistring isn't append multiple times
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self.FLAGS(argv + ['--unknown1', '--unknown2'])
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self.assertEqual(self.FLAGS.multi, ['foo', 'bar'])
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def test_define_list(self):
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flags.DEFINE_list('list', ['foo'], 'desc', flag_values=self.FLAGS)
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self.assert_(self.FLAGS['list'])
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self.assertEqual(self.FLAGS.list, ['foo'])
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argv = ['flags_test', '--list=a,b,c,d']
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self.FLAGS(argv)
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self.assertEqual(self.FLAGS.list, ['a', 'b', 'c', 'd'])
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def test_error(self):
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flags.DEFINE_integer('error', 1, 'desc', flag_values=self.FLAGS)
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self.assertEqual(self.FLAGS.error, 1)
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argv = ['flags_test', '--error=foo']
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self.assertRaises(exceptions.SystemExit, self.FLAGS, argv)
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def test_declare(self):
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self.assert_('answer' not in self.global_FLAGS)
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flags.DECLARE('answer', 'nova.tests.declare_flags')
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self.assert_('answer' in self.global_FLAGS)
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self.assertEqual(self.global_FLAGS.answer, 42)
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# Make sure we don't overwrite anything
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self.global_FLAGS.answer = 256
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self.assertEqual(self.global_FLAGS.answer, 256)
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flags.DECLARE('answer', 'nova.tests.declare_flags')
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self.assertEqual(self.global_FLAGS.answer, 256)
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def test_getopt_non_interspersed_args(self):
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self.assert_('runtime_answer' not in self.global_FLAGS)
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argv = ['flags_test', 'extra_arg', '--runtime_answer=60']
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args = self.global_FLAGS(argv)
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self.assertEqual(len(args), 3)
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self.assertEqual(argv, args)
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def test_runtime_and_unknown_flags(self):
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self.assert_('runtime_answer' not in self.global_FLAGS)
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argv = ['flags_test', '--runtime_answer=60', 'extra_arg']
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args = self.global_FLAGS(argv)
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self.assertEqual(len(args), 2)
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self.assertEqual(args[1], 'extra_arg')
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self.assert_('runtime_answer' not in self.global_FLAGS)
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import nova.tests.runtime_flags
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self.assert_('runtime_answer' in self.global_FLAGS)
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self.assertEqual(self.global_FLAGS.runtime_answer, 60)
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def test_long_vs_short_flags(self):
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flags.DEFINE_string('duplicate_answer_long', 'val', 'desc',
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flag_values=self.global_FLAGS)
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argv = ['flags_test', '--duplicate_answer=60', 'extra_arg']
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args = self.global_FLAGS(argv)
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self.assert_('duplicate_answer' not in self.global_FLAGS)
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self.assert_(self.global_FLAGS.duplicate_answer_long, 60)
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flags.DEFINE_integer('duplicate_answer', 60, 'desc',
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flag_values=self.global_FLAGS)
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self.assertEqual(self.global_FLAGS.duplicate_answer, 60)
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self.assertEqual(self.global_FLAGS.duplicate_answer_long, 'val')
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def test_flag_leak_left(self):
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self.assertEqual(FLAGS.flags_unittest, 'foo')
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FLAGS.flags_unittest = 'bar'
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self.assertEqual(FLAGS.flags_unittest, 'bar')
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def test_flag_leak_right(self):
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self.assertEqual(FLAGS.flags_unittest, 'foo')
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FLAGS.flags_unittest = 'bar'
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self.assertEqual(FLAGS.flags_unittest, 'bar')
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def test_flag_overrides(self):
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self.assertEqual(FLAGS.flags_unittest, 'foo')
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self.flags(flags_unittest='bar')
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self.assertEqual(FLAGS.flags_unittest, 'bar')
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self.assertEqual(FLAGS['flags_unittest'].value, 'bar')
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self.assertEqual(FLAGS.FlagValuesDict()['flags_unittest'], 'bar')
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self.reset_flags()
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self.assertEqual(FLAGS.flags_unittest, 'foo')
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self.assertEqual(FLAGS['flags_unittest'].value, 'foo')
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self.assertEqual(FLAGS.FlagValuesDict()['flags_unittest'], 'foo')
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def test_flagfile(self):
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flags.DEFINE_string('string', 'default', 'desc',
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flag_values=self.FLAGS)
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flags.DEFINE_integer('int', 1, 'desc', flag_values=self.FLAGS)
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flags.DEFINE_bool('false', False, 'desc', flag_values=self.FLAGS)
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flags.DEFINE_bool('true', True, 'desc', flag_values=self.FLAGS)
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flags.DEFINE_multistring('multi', ['blaa'], 'desc',
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flag_values=self.FLAGS)
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(fd, path) = tempfile.mkstemp(prefix='nova', suffix='.flags')
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try:
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os.write(fd, '--string=foo\n--int=2\n--false\n--notrue\n')
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os.write(fd, '--multi=foo\n--multi=bar\n')
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os.close(fd)
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self.FLAGS(['flags_test', '--flagfile=' + path])
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self.assertEqual(self.FLAGS.string, 'foo')
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self.assertEqual(self.FLAGS.int, 2)
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self.assertEqual(self.FLAGS.false, True)
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self.assertEqual(self.FLAGS.true, False)
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self.assertEqual(self.FLAGS.multi, ['foo', 'bar'])
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# Re-parse to test multistring isn't append multiple times
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self.FLAGS(['flags_test', '--flagfile=' + path])
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self.assertEqual(self.FLAGS.multi, ['foo', 'bar'])
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finally:
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os.remove(path)
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def test_defaults(self):
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flags.DEFINE_string('foo', 'bar', 'help', flag_values=self.FLAGS)
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self.assertEqual(self.FLAGS.foo, 'bar')
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self.FLAGS['foo'].SetDefault('blaa')
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self.assertEqual(self.FLAGS.foo, 'blaa')
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def test_templated_values(self):
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flags.DEFINE_string('foo', 'foo', 'help', flag_values=self.FLAGS)
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flags.DEFINE_string('bar', 'bar', 'help', flag_values=self.FLAGS)
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flags.DEFINE_string('blaa', '$foo$bar', 'help', flag_values=self.FLAGS)
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self.assertEqual(self.FLAGS.blaa, 'foobar')
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