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99 lines (83 loc) · 3.35 KB
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# Copyright (C) 2017 Google Inc.
#
# 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 __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from fire import inspectutils
from fire import test_components as tc
import six
import unittest
class InspectUtilsTest(unittest.TestCase):
def testGetArgSpecReturnType(self):
# Asserts that the named tuple returned by GetArgSpec has the appropriate
# fields.
argspec = inspectutils.GetArgSpec(tc.identity)
args, varargs, keywords, defaults = argspec
self.assertEqual(argspec.args, args)
self.assertEqual(argspec.defaults, defaults)
self.assertEqual(argspec.varargs, varargs)
self.assertEqual(argspec.keywords, keywords)
def testGetArgSpec(self):
args, varargs, keywords, defaults = inspectutils.GetArgSpec(tc.identity)
self.assertEqual(args, ['arg1', 'arg2'])
self.assertEqual(defaults, (10,))
self.assertEqual(varargs, 'arg3')
self.assertEqual(keywords, 'arg4')
def testGetArgSpecBuiltin(self):
args, varargs, keywords, defaults = inspectutils.GetArgSpec('test'.upper)
self.assertEqual(args, [])
self.assertEqual(defaults, ())
self.assertEqual(varargs, 'vars')
self.assertEqual(keywords, 'kwargs')
def testGetArgSpecSlotWrapper(self):
args, varargs, keywords, defaults = inspectutils.GetArgSpec(tc.NoDefaults)
self.assertEqual(args, [])
self.assertEqual(defaults, ())
self.assertEqual(varargs, None)
self.assertEqual(keywords, None)
def testGetArgSpecClassNoInit(self):
args, varargs, keywords, defaults = inspectutils.GetArgSpec(
tc.OldStyleEmpty)
self.assertEqual(args, [])
self.assertEqual(defaults, ())
self.assertEqual(varargs, None)
self.assertEqual(keywords, None)
def testGetArgSpecMethod(self):
args, varargs, keywords, defaults = inspectutils.GetArgSpec(
tc.NoDefaults().double)
self.assertEqual(args, ['count'])
self.assertEqual(defaults, ())
self.assertEqual(varargs, None)
self.assertEqual(keywords, None)
def testInfoOne(self):
info = inspectutils.Info(1)
self.assertEqual(info.get('type_name'), 'int')
self.assertEqual(info.get('file'), None)
self.assertEqual(info.get('line'), None)
self.assertEqual(info.get('string_form'), '1')
def testInfoClass(self):
info = inspectutils.Info(tc.NoDefaults)
self.assertEqual(info.get('type_name'), 'type')
self.assertIn('fire/test_components.py', info.get('file'))
self.assertGreater(info.get('line'), 0)
def testInfoClassNoInit(self):
info = inspectutils.Info(tc.OldStyleEmpty)
if six.PY2:
self.assertEqual(info.get('type_name'), 'classobj')
else:
self.assertEqual(info.get('type_name'), 'type')
self.assertIn('fire/test_components.py', info.get('file'))
self.assertGreater(info.get('line'), 0)
if __name__ == '__main__':
unittest.main()