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exceptions.py
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# Copyright 2008-2015 Nokia Networks
# Copyright 2016- Robot Framework Foundation
#
# 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.
"""Exceptions that libraries can use for communicating failures and other events.
These exceptions can be imported also via the top level :mod:`robot.api` package like
``from robot.api import SkipExecution``.
This module and all exceptions are new in Robot Framework 4.0.
"""
class Failure(AssertionError):
"""Report failed validation.
There is no practical difference in using this exception compared to using
the standard ``AssertionError``. The main benefit of using this exception is
that its name is consistent with other exceptions in this module.
"""
ROBOT_SUPPRESS_NAME = True
class ContinuableFailure(Failure):
"""Report failed validation but allow continuing execution."""
ROBOT_CONTINUE_ON_FAILURE = True
class Error(RuntimeError):
"""Report error in execution.
Failures related to the system not behaving as expected should typically be
reported using the :class:`Failure` exception or the standard ``AssertionError``.
This exception can be used, for example, if the keyword is used incorrectly.
There is no practical difference, other than consistent naming with other
exceptions in this module, compared to using this exception and the standard
``RuntimeError``.
"""
ROBOT_SUPPRESS_NAME = True
class FatalError(Error):
"""Report error that stops the whole execution."""
ROBOT_EXIT_ON_FAILURE = True
ROBOT_SUPPRESS_NAME = False
class SkipExecution(Exception):
"""Mark the executed test or task skipped."""
ROBOT_SKIP_EXECUTION = True
ROBOT_SUPPRESS_NAME = True