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# Copyright (C) 2018 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.
"""Tests for the inspectutils module."""
import os
from fire import inspectutils
from fire import test_components as tc
from fire import testutils
class InspectUtilsTest(testutils.BaseTestCase):
def testGetFullArgSpec(self):
spec = inspectutils.GetFullArgSpec(tc.identity)
self.assertEqual(spec.args, ['arg1', 'arg2', 'arg3', 'arg4'])
self.assertEqual(spec.defaults, (10, 20))
self.assertEqual(spec.varargs, 'arg5')
self.assertEqual(spec.varkw, 'arg6')
self.assertEqual(spec.kwonlyargs, [])
self.assertEqual(spec.kwonlydefaults, {})
self.assertEqual(spec.annotations, {'arg2': int, 'arg4': int})
def testGetFullArgSpecPy3(self):
spec = inspectutils.GetFullArgSpec(tc.py3.identity)
self.assertEqual(spec.args, ['arg1', 'arg2', 'arg3', 'arg4'])
self.assertEqual(spec.defaults, (10, 20))
self.assertEqual(spec.varargs, 'arg5')
self.assertEqual(spec.varkw, 'arg10')
self.assertEqual(spec.kwonlyargs, ['arg6', 'arg7', 'arg8', 'arg9'])
self.assertEqual(spec.kwonlydefaults, {'arg8': 30, 'arg9': 40})
self.assertEqual(spec.annotations,
{'arg2': int, 'arg4': int, 'arg7': int, 'arg9': int})
def testGetFullArgSpecFromBuiltin(self):
spec = inspectutils.GetFullArgSpec('test'.upper)
self.assertEqual(spec.args, [])
self.assertEqual(spec.defaults, ())
self.assertEqual(spec.kwonlyargs, [])
self.assertEqual(spec.kwonlydefaults, {})
self.assertEqual(spec.annotations, {})
def testGetFullArgSpecFromSlotWrapper(self):
spec = inspectutils.GetFullArgSpec(tc.NoDefaults)
self.assertEqual(spec.args, [])
self.assertEqual(spec.defaults, ())
self.assertEqual(spec.varargs, None)
self.assertEqual(spec.varkw, None)
self.assertEqual(spec.kwonlyargs, [])
self.assertEqual(spec.kwonlydefaults, {})
self.assertEqual(spec.annotations, {})
def testGetFullArgSpecFromNamedTuple(self):
spec = inspectutils.GetFullArgSpec(tc.NamedTuplePoint)
self.assertEqual(spec.args, ['x', 'y'])
self.assertEqual(spec.defaults, ())
self.assertEqual(spec.varargs, None)
self.assertEqual(spec.varkw, None)
self.assertEqual(spec.kwonlyargs, [])
self.assertEqual(spec.kwonlydefaults, {})
self.assertEqual(spec.annotations, {})
def testGetFullArgSpecFromNamedTupleSubclass(self):
spec = inspectutils.GetFullArgSpec(tc.SubPoint)
self.assertEqual(spec.args, ['x', 'y'])
self.assertEqual(spec.defaults, ())
self.assertEqual(spec.varargs, None)
self.assertEqual(spec.varkw, None)
self.assertEqual(spec.kwonlyargs, [])
self.assertEqual(spec.kwonlydefaults, {})
self.assertEqual(spec.annotations, {})
def testGetFullArgSpecFromClassNoInit(self):
spec = inspectutils.GetFullArgSpec(tc.OldStyleEmpty)
self.assertEqual(spec.args, [])
self.assertEqual(spec.defaults, ())
self.assertEqual(spec.varargs, None)
self.assertEqual(spec.varkw, None)
self.assertEqual(spec.kwonlyargs, [])
self.assertEqual(spec.kwonlydefaults, {})
self.assertEqual(spec.annotations, {})
def testGetFullArgSpecFromMethod(self):
spec = inspectutils.GetFullArgSpec(tc.NoDefaults().double)
self.assertEqual(spec.args, ['count'])
self.assertEqual(spec.defaults, ())
self.assertEqual(spec.varargs, None)
self.assertEqual(spec.varkw, None)
self.assertEqual(spec.kwonlyargs, [])
self.assertEqual(spec.kwonlydefaults, {})
self.assertEqual(spec.annotations, {})
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(os.path.join('fire', 'test_components.py'), info.get('file'))
self.assertGreater(info.get('line'), 0)
def testInfoClassNoInit(self):
info = inspectutils.Info(tc.OldStyleEmpty)
self.assertEqual(info.get('type_name'), 'type')
self.assertIn(os.path.join('fire', 'test_components.py'), info.get('file'))
self.assertGreater(info.get('line'), 0)
def testInfoNoDocstring(self):
info = inspectutils.Info(tc.NoDefaults)
self.assertEqual(info['docstring'], None, 'Docstring should be None')
if __name__ == '__main__':
testutils.main()
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