MaskErrors cannot deal with PreExecutionResult

[ericdevries]

Describe the Bug

Between an update from 0.276 to 0.278, a new error started occuring for the MaskErrors extension. For some reason, this error is now popping up:

'PreExecutionError' object has no attribute 'initial_result'

The code we use for testing:

async def test_invalid(test_client: AsyncClient):
    query = """
        {
          anomalies(filter: {mrid: "12345678"}) {
            items {
              mrid
            }
          }
        }
    """

    response = await test_client.post(
        "/graphql",
        json={
            "query": query,
        },
    )

    response_json = response.json()
    assert "errors" in response_json

    assert (
        response_json["errors"][0]["message"]
        == 'Value cannot represent a UUID: "12345678". badly formed hexadecimal UUID string'
    )

Server config:

def should_mask_error(error: GraphQLError) -> bool:
    """
    Mask all errors except explicitly raised ones and our own InputValidationError.
    """
    return (
        error.original_error is not None
        and not isinstance(error.original_error, InputValidationError)
        and not isinstance(error.original_error, GraphQLError)
    )


schema = Schema(
    query=Query,
    mutation=Mutation,
    extensions=[MaskErrors(should_mask_error=should_mask_error, error_message="An unexpected error occured")],
    scalar_overrides={
        datetime: ZuluDateTime,
        DatetimeRange: ZuluDateTimeRange,
    },
)

System Information

• Operating system:
• Python version:
• Strawberry version (if applicable):

Additional Context

[Speedy1991]

Could be related to #3844?