# https://gitter.im/tiangolo/fastapi?at=5db608eeef84ab3786aba5a4
from fastapi import FastAPI, Depends
from starlette.testclient import TestClient

app = FastAPI()


def capture_exception(exc: Exception) -> None:
    print(str(exc))


async def log_exceptions():
    try:
        yield
    except Exception as e:
        capture_exception(e)
        raise


@app.get("/", dependencies=[Depends(log_exceptions)])
def endpoint():
    raise ValueError("Success!")


client = TestClient(app, raise_server_exceptions=False)

client.get("/")
# Success!