# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2010 United States Government as represented by the # Administrator of the National Aeronautics and Space Administration. # All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. from nova import exception from nova import flags from nova import test FLAGS = flags.FLAGS flags.DEFINE_string('flags_unittest', 'foo', 'for testing purposes only') class FlagsTestCase(test.TrialTestCase): def setUp(self): super(FlagsTestCase, self).setUp() self.FLAGS = flags.FlagValues() self.global_FLAGS = flags.FLAGS def test_define(self): self.assert_('string' not in self.FLAGS) self.assert_('int' not in self.FLAGS) self.assert_('false' not in self.FLAGS) self.assert_('true' not in self.FLAGS) flags.DEFINE_string('string', 'default', 'desc', flag_values=self.FLAGS) flags.DEFINE_integer('int', 1, 'desc', flag_values=self.FLAGS) flags.DEFINE_bool('false', False, 'desc', flag_values=self.FLAGS) flags.DEFINE_bool('true', True, 'desc', flag_values=self.FLAGS) self.assert_(self.FLAGS['string']) self.assert_(self.FLAGS['int']) self.assert_(self.FLAGS['false']) self.assert_(self.FLAGS['true']) self.assertEqual(self.FLAGS.string, 'default') self.assertEqual(self.FLAGS.int, 1) self.assertEqual(self.FLAGS.false, False) self.assertEqual(self.FLAGS.true, True) argv = ['flags_test', '--string', 'foo', '--int', '2', '--false', '--notrue'] self.FLAGS(argv) self.assertEqual(self.FLAGS.string, 'foo') self.assertEqual(self.FLAGS.int, 2) self.assertEqual(self.FLAGS.false, True) self.assertEqual(self.FLAGS.true, False) def test_declare(self): self.assert_('answer' not in self.global_FLAGS) flags.DECLARE('answer', 'nova.tests.declare_flags') self.assert_('answer' in self.global_FLAGS) self.assertEqual(self.global_FLAGS.answer, 42) # Make sure we don't overwrite anything self.global_FLAGS.answer = 256 self.assertEqual(self.global_FLAGS.answer, 256) flags.DECLARE('answer', 'nova.tests.declare_flags') self.assertEqual(self.global_FLAGS.answer, 256) def test_runtime_and_unknown_flags(self): self.assert_('runtime_answer' not in self.global_FLAGS) argv = ['flags_test', '--runtime_answer=60', 'extra_arg'] args = self.global_FLAGS(argv) self.assertEqual(len(args), 2) self.assertEqual(args[1], 'extra_arg') self.assert_('runtime_answer' not in self.global_FLAGS) import nova.tests.runtime_flags self.assert_('runtime_answer' in self.global_FLAGS) self.assertEqual(self.global_FLAGS.runtime_answer, 60) def test_flag_leak_left(self): self.assertEqual(FLAGS.flags_unittest, 'foo') FLAGS.flags_unittest = 'bar' self.assertEqual(FLAGS.flags_unittest, 'bar') def test_flag_leak_right(self): self.assertEqual(FLAGS.flags_unittest, 'foo') FLAGS.flags_unittest = 'bar' self.assertEqual(FLAGS.flags_unittest, 'bar')