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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 trace module."""
from fire import testutils
from fire import trace
class FireTraceTest(testutils.BaseTestCase):
def testFireTraceInitialization(self):
t = trace.FireTrace(10)
self.assertIsNotNone(t)
self.assertIsNotNone(t.elements)
def testFireTraceGetResult(self):
t = trace.FireTrace('start')
self.assertEqual(t.GetResult(), 'start')
t.AddAccessedProperty('t', 'final', None, 'example.py', 10)
self.assertEqual(t.GetResult(), 't')
def testFireTraceHasError(self):
t = trace.FireTrace('start')
self.assertFalse(t.HasError())
t.AddAccessedProperty('t', 'final', None, 'example.py', 10)
self.assertFalse(t.HasError())
t.AddError(ValueError('example error'), ['arg'])
self.assertTrue(t.HasError())
def testAddAccessedProperty(self):
t = trace.FireTrace('initial object')
args = ('example', 'args')
t.AddAccessedProperty('new component', 'prop', args, 'sample.py', 12)
self.assertEqual(
str(t),
'1. Initial component\n2. Accessed property "prop" (sample.py:12)')
def testAddCalledCallable(self):
t = trace.FireTrace('initial object')
args = ('example', 'args')
t.AddCalledComponent('result', 'cell', args, 'sample.py', 10, False,
action=trace.CALLED_CALLABLE)
self.assertEqual(
str(t),
'1. Initial component\n2. Called callable "cell" (sample.py:10)')
def testAddCalledRoutine(self):
t = trace.FireTrace('initial object')
args = ('example', 'args')
t.AddCalledComponent('result', 'run', args, 'sample.py', 12, False,
action=trace.CALLED_ROUTINE)
self.assertEqual(
str(t),
'1. Initial component\n2. Called routine "run" (sample.py:12)')
def testAddInstantiatedClass(self):
t = trace.FireTrace('initial object')
args = ('example', 'args')
t.AddCalledComponent(
'Classname', 'classname', args, 'sample.py', 12, False,
action=trace.INSTANTIATED_CLASS)
target = """1. Initial component
2. Instantiated class "classname" (sample.py:12)"""
self.assertEqual(str(t), target)
def testAddCompletionScript(self):
t = trace.FireTrace('initial object')
t.AddCompletionScript('This is the completion script string.')
self.assertEqual(
str(t),
'1. Initial component\n2. Generated completion script')
def testAddInteractiveMode(self):
t = trace.FireTrace('initial object')
t.AddInteractiveMode()
self.assertEqual(
str(t),
'1. Initial component\n2. Entered interactive mode')
def testGetCommand(self):
t = trace.FireTrace('initial object')
args = ('example', 'args')
t.AddCalledComponent('result', 'run', args, 'sample.py', 12, False,
action=trace.CALLED_ROUTINE)
self.assertEqual(t.GetCommand(), 'example args')
def testGetCommandWithQuotes(self):
t = trace.FireTrace('initial object')
args = ('example', 'spaced arg')
t.AddCalledComponent('result', 'run', args, 'sample.py', 12, False,
action=trace.CALLED_ROUTINE)
self.assertEqual(t.GetCommand(), "example 'spaced arg'")
def testGetCommandWithFlagQuotes(self):
t = trace.FireTrace('initial object')
args = ('--example=spaced arg',)
t.AddCalledComponent('result', 'run', args, 'sample.py', 12, False,
action=trace.CALLED_ROUTINE)
self.assertEqual(t.GetCommand(), "--example='spaced arg'")
class FireTraceElementTest(testutils.BaseTestCase):
def testFireTraceElementHasError(self):
el = trace.FireTraceElement()
self.assertFalse(el.HasError())
el = trace.FireTraceElement(error=ValueError('example error'))
self.assertTrue(el.HasError())
def testFireTraceElementAsStringNoMetadata(self):
el = trace.FireTraceElement(
component='Example',
action='Fake action',
)
self.assertEqual(str(el), 'Fake action')
def testFireTraceElementAsStringWithTarget(self):
el = trace.FireTraceElement(
component='Example',
action='Created toy',
target='Beaker',
)
self.assertEqual(str(el), 'Created toy "Beaker"')
def testFireTraceElementAsStringWithTargetAndLineNo(self):
el = trace.FireTraceElement(
component='Example',
action='Created toy',
target='Beaker',
filename='beaker.py',
lineno=10,
)
self.assertEqual(str(el), 'Created toy "Beaker" (beaker.py:10)')
if __name__ == '__main__':
testutils.main()
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