def test_predict_empty_call():
# This test is a coverage failsafe to make sure that totally empty calls,
# i.e. request == None and no flattened fields passed, work.
client = PredictionServiceClient(
credentials=ga_credentials.AnonymousCredentials(), transport="grpc",
)
# Mock the actual call within the gRPC stub, and fake the request.
with mock.patch.object(type(client.transport.predict), "__call__") as call:
client.predict()
call.assert_called()
_, args, _ = call.mock_calls[0]
assert args[0] == prediction_service.PredictRequest()
def test_predict(
transport: str = "grpc", request_type=prediction_service.PredictRequest
):
client = PredictionServiceClient(
credentials=ga_credentials.AnonymousCredentials(), transport=transport,
)
# Everything is optional in proto3 as far as the runtime is concerned,
# and we are mocking out the actual API, so just send an empty request.
request = request_type()
# Mock the actual call within the gRPC stub, and fake the request.
with mock.patch.object(type(client.transport.predict), "__call__") as call:
# Designate an appropriate return value for the call.
call.return_value = prediction_service.PredictResponse(
attribution_token="attribution_token_value",
missing_ids=["missing_ids_value"],
validate_only=True,
)
response = client.predict(request)
# Establish that the underlying gRPC stub method was called.
assert len(call.mock_calls) == 1
_, args, _ = call.mock_calls[0]
assert args[0] == prediction_service.PredictRequest()
# Establish that the response is the type that we expect.
assert isinstance(response, prediction_service.PredictResponse)
assert response.attribution_token == "attribution_token_value"
assert response.missing_ids == ["missing_ids_value"]
assert response.validate_only is True
def test_predict_field_headers():
client = PredictionServiceClient(credentials=ga_credentials.AnonymousCredentials(),)
# Any value that is part of the HTTP/1.1 URI should be sent as
# a field header. Set these to a non-empty value.
request = prediction_service.PredictRequest()
request.placement = "placement/value"
# Mock the actual call within the gRPC stub, and fake the request.
with mock.patch.object(type(client.transport.predict), "__call__") as call:
call.return_value = prediction_service.PredictResponse()
client.predict(request)
# Establish that the underlying gRPC stub method was called.
assert len(call.mock_calls) == 1
_, args, _ = call.mock_calls[0]
assert args[0] == request
# Establish that the field header was sent.
_, _, kw = call.mock_calls[0]
assert ("x-goog-request-params", "placement=placement/value",) in kw["metadata"]