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# Copyright 2016 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.
"""This module is where all the test signal classes and related utilities live."""
import json
class TestSignalError(Exception):
"""Raised when an error occurs inside a test signal."""
class TestSignal(Exception):
"""Base class for all test result control signals. This is used to signal
the result of a test.
Attributes:
details: A string that describes the reason for raising this signal.
extras: A json-serializable data type to convey extra information about
a test result.
"""
def __init__(self, details, extras=None):
super().__init__(details)
self.details = details
try:
json.dumps(extras)
self.extras = extras
except TypeError:
raise TestSignalError(
'Extras must be json serializable. %s is not.' % extras
)
def __str__(self):
return 'Details=%s, Extras=%s' % (self.details, self.extras)
class TestError(TestSignal):
"""Raised when a test has an unexpected error."""
class TestFailure(TestSignal):
"""Raised when a test has failed."""
class TestPass(TestSignal):
"""Raised when a test has passed."""
class TestSkip(TestSignal):
"""Raised when a test has been skipped."""
class TestAbortSignal(TestSignal):
"""Base class for abort signals."""
class TestAbortClass(TestAbortSignal):
"""Raised when all subsequent tests within the same test class should
be aborted.
"""
class TestAbortAll(TestAbortSignal):
"""Raised when all subsequent tests should be aborted."""
class ControllerError(Exception):
"""Raised when an error occurred in controller classes."""
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