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| # Copyright The Caikit Authors | ||
| # | ||
| # 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 tgis_utils | ||
| """ | ||
| # Standard | ||
| from typing import Iterable, Optional, Type | ||
|
|
||
| # Third Party | ||
| import grpc | ||
| import grpc._channel | ||
| import pytest | ||
|
|
||
| # First Party | ||
| from caikit.core.data_model import ProducerId | ||
| from caikit.core.exceptions.caikit_core_exception import CaikitCoreException | ||
| from caikit_tgis_backend.protobufs import generation_pb2 | ||
|
|
||
| # Local | ||
| from caikit_nlp.toolkit.text_generation import tgis_utils | ||
|
|
||
| ## Helpers ##################################################################### | ||
|
|
||
|
|
||
| class MockTgisClient: | ||
| """Mock of a TGIS client that doesn't actually call anything""" | ||
|
|
||
| def __init__( | ||
| self, | ||
| status_code: Optional[grpc.StatusCode], | ||
| error_message: str = "Yikes", | ||
| ): | ||
| self._status_code = status_code | ||
| self._error_message = error_message | ||
|
|
||
| def _maybe_raise(self, error_type: Type[grpc.RpcError], *args): | ||
| if self._status_code not in [None, grpc.StatusCode.OK]: | ||
| raise error_type( | ||
| grpc._channel._RPCState( | ||
| [], [], [], code=self._status_code, details=self._error_message | ||
| ), | ||
| *args, | ||
| ) | ||
|
|
||
| def Generate( | ||
| self, | ||
| request: generation_pb2.BatchedGenerationRequest, | ||
| ) -> generation_pb2.BatchedGenerationResponse: | ||
| self._maybe_raise(grpc._channel._InactiveRpcError) | ||
| return generation_pb2.BatchedGenerationResponse() | ||
|
|
||
| def GenerateStream( | ||
| self, | ||
| request: generation_pb2.SingleGenerationRequest, | ||
| ) -> Iterable[generation_pb2.GenerationResponse]: | ||
| self._maybe_raise(grpc._channel._MultiThreadedRendezvous, None, None, None) | ||
| yield generation_pb2.GenerationResponse() | ||
|
|
||
| def Tokenize( | ||
| self, | ||
| request: generation_pb2.BatchedTokenizeRequest, | ||
| ) -> generation_pb2.BatchedTokenizeResponse: | ||
| self._maybe_raise(grpc._channel._InactiveRpcError) | ||
| return generation_pb2.BatchedTokenizeResponse() | ||
|
|
||
|
|
||
| ## TGISGenerationClient ######################################################## | ||
|
|
||
|
|
||
| @pytest.mark.parametrize( | ||
| "status_code", | ||
| [code for code in grpc.StatusCode if code != grpc.StatusCode.OK], | ||
| ) | ||
| @pytest.mark.parametrize( | ||
| "method", ["unary_generate", "stream_generate", "unary_tokenize"] | ||
| ) | ||
| def test_TGISGenerationClient_rpc_errors(status_code, method): | ||
| """Test that raised errors in downstream RPCs are converted to | ||
| CaikitCoreException correctly | ||
| """ | ||
| tgis_client = MockTgisClient(status_code) | ||
| gen_client = tgis_utils.TGISGenerationClient( | ||
| "foo", | ||
| "bar", | ||
| tgis_client, | ||
| ProducerId("foobar"), | ||
| ) | ||
| with pytest.raises(CaikitCoreException) as context: | ||
| kwargs = ( | ||
| dict( | ||
| preserve_input_text=True, | ||
| input_tokens=True, | ||
| generated_tokens=True, | ||
| token_logprobs=True, | ||
| token_ranks=True, | ||
| max_new_tokens=20, | ||
| min_new_tokens=20, | ||
| truncate_input_tokens=True, | ||
| decoding_method="GREEDY", | ||
| top_k=None, | ||
| top_p=None, | ||
| typical_p=None, | ||
| temperature=None, | ||
| seed=None, | ||
| repetition_penalty=0.5, | ||
| max_time=None, | ||
| exponential_decay_length_penalty=None, | ||
| stop_sequences=["asdf"], | ||
| ) | ||
| if method.endswith("_generate") | ||
| else dict() | ||
| ) | ||
| res = getattr(gen_client, method)(text="foobar", **kwargs) | ||
| if method.startswith("stream_"): | ||
| next(res) | ||
|
|
||
| assert ( | ||
| context.value.status_code == tgis_utils.GRPC_TO_CAIKIT_CORE_STATUS[status_code] | ||
| ) | ||
| rpc_err = context.value.__context__ | ||
| assert isinstance(rpc_err, grpc.RpcError) |