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# Copyright 2022 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.
"""Module for errors thrown from snippet client objects."""
# TODO(mhaoli): Package `mobly.snippet` should not import errors from
# android_device_lib. However, android_device_lib.DeviceError is the base error
# for the errors thrown from Android snippet clients and device controllers.
# We should resolve this legacy problem.
from mobly.controllers.android_device_lib import errors
class Error(errors.DeviceError):
"""Root error type for snippet clients."""
class ServerRestoreConnectionError(Error):
"""Raised when failed to restore the connection with the snippet server."""
class ServerStartError(Error):
"""Raised when failed to start the snippet server."""
class ServerStartProtocolError(ServerStartError):
"""Raised when protocol reported by the server startup process is unknown."""
class ServerStartPreCheckError(Error):
"""Raised when prechecks for starting the snippet server failed.
Here are some precheck examples:
* Whether the required software is installed on the device.
* Whether the configuration file required by the server startup process
is available.
"""
class ApiError(Error):
"""Raised when remote API reported an error."""
class ProtocolError(Error):
"""Raised when there was an error in exchanging data with server."""
NO_RESPONSE_FROM_HANDSHAKE = 'No response from handshake.'
NO_RESPONSE_FROM_SERVER = ('No response from server. '
'Check the device logcat for crashes.')
MISMATCHED_API_ID = 'RPC request-response ID mismatch.'
RESPONSE_MISSING_FIELD = 'Missing required field in the RPC response: %s.'
class ServerDiedError(Error):
"""Raised if the snippet server died before all tests finish."""
# Error types for callback handlers
class CallbackHandlerBaseError(errors.DeviceError):
"""Base error type for snippet clients."""
class CallbackHandlerTimeoutError(Error):
"""Raised if the expected event does not occur within the time limit."""
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