mirror of https://github.com/nucypher/nucypher.git
157 lines
4.6 KiB
Python
157 lines
4.6 KiB
Python
"""
|
|
This file is part of nucypher.
|
|
|
|
nucypher is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Affero General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
nucypher is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Affero General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with nucypher. If not, see <https://www.gnu.org/licenses/>.
|
|
"""
|
|
|
|
import json
|
|
|
|
from io import StringIO
|
|
from typing import Union
|
|
|
|
import nucypher
|
|
|
|
|
|
class TestRPCResponse:
|
|
"""A mock RPC response object"""
|
|
|
|
delimiter = '\n'
|
|
|
|
def __init__(self,
|
|
id: int,
|
|
payload: dict,
|
|
success: bool,
|
|
error: bool):
|
|
|
|
# Initial State
|
|
self.id = id
|
|
self.data = payload
|
|
self.success = success
|
|
self.error = error
|
|
|
|
def __bytes__(self):
|
|
return json.dumps(self.data)
|
|
|
|
@property
|
|
def error_code(self):
|
|
if self.error:
|
|
return int(self.data['error']['code'])
|
|
else:
|
|
return 0
|
|
|
|
@property
|
|
def content(self):
|
|
if self.success:
|
|
return self.data['result']
|
|
else:
|
|
return self.data['error']
|
|
|
|
@classmethod
|
|
def from_string(cls, response_line: str):
|
|
outgoing_responses = response_line.strip(cls.delimiter).split(cls.delimiter)
|
|
|
|
responses = list()
|
|
for response in outgoing_responses:
|
|
# Deserialize
|
|
response_data = json.loads(response)
|
|
|
|
# Check for Success or Error
|
|
error = False
|
|
response_id_value = response_data['id']
|
|
try:
|
|
response_id = int(response_id_value)
|
|
except TypeError:
|
|
if response_id_value is not None:
|
|
raise
|
|
error, response_id = True, None
|
|
|
|
instance = cls(payload=response_data,
|
|
success=not error,
|
|
error=error,
|
|
id=response_id)
|
|
|
|
responses.append(instance)
|
|
|
|
# handle one or many requests
|
|
final_response = responses
|
|
if not len(responses) > 1:
|
|
final_response = responses[0]
|
|
|
|
return final_response
|
|
|
|
|
|
class JSONRPCTestClient:
|
|
"""A test client for character RPC control."""
|
|
|
|
MESSAGE_ID = 0
|
|
|
|
__preamble = json.dumps(dict(jsonrpc="2.0", version=str(nucypher.__version__)))
|
|
__io = StringIO(initial_value=str(__preamble.encode()))
|
|
response_sink = __io.write
|
|
|
|
def __init__(self, rpc_controller):
|
|
|
|
# Divert the emitter flow to the RPC pipe
|
|
rpc_controller.emitter.sink = self.response_sink
|
|
self._controller = rpc_controller
|
|
|
|
def assemble_request(self, request: Union[dict, list]) -> dict:
|
|
"""Assemble a JSONRPC2.0 formatted dict for JSON use."""
|
|
JSONRPCTestClient.MESSAGE_ID += 1
|
|
method, params = request['method'], request['params']
|
|
response_data = {'jsonrpc': '2.0',
|
|
'id': str(JSONRPCTestClient.MESSAGE_ID),
|
|
'method': method,
|
|
'params': params}
|
|
|
|
return response_data
|
|
|
|
def receive(self, size: int):
|
|
current_cursor_position = self.__io.tell()
|
|
cursor_position = current_cursor_position - size
|
|
self.__io.seek(cursor_position)
|
|
stdout = self.__io.read(size)
|
|
response = TestRPCResponse.from_string(response_line=stdout)
|
|
return response
|
|
|
|
def send(self, request: Union[dict, list], malformed: bool = False) -> TestRPCResponse:
|
|
|
|
# Assemble
|
|
if malformed:
|
|
# Allow a malformed request for testing and
|
|
# bypass all this business below
|
|
payload = json.dumps(request)
|
|
|
|
else:
|
|
# Handle single or bulk requests
|
|
requests = request
|
|
if isinstance(request, dict):
|
|
requests = [request]
|
|
|
|
payload = list()
|
|
for r in requests:
|
|
assembled_request = self.assemble_request(request=r)
|
|
payload.append(assembled_request)
|
|
|
|
if not len(payload) > 1:
|
|
payload = payload[0]
|
|
|
|
payload = json.dumps(payload)
|
|
|
|
# Request
|
|
response_size = self._controller.handle_request(control_request=payload)
|
|
|
|
# Respond
|
|
return self.receive(size=response_size)
|