ng := WithNPeers(len(sys.peerClients)).WithRetries(1)
	for idx, client := range sys.peerClients {
		client := client
		ng.Go(ctx, func() error {
			if client == nil {
				return errPeerNotReachable
			}
			return client.DeletePolicy(ctx, policyName)
		}, idx, *client.host)
	}
	return ng.Wait()
}

// LoadPolicy - reloads a specific modified policy across all peers

from docs_src.request_files.tutorial003 import app

client = TestClient(app)


def test_post_files(tmp_path):
    path = tmp_path / "test.txt"
    path.write_bytes(b"<file content>")
    path2 = tmp_path / "test2.txt"
    path2.write_bytes(b"<file content2>")

    client = TestClient(app)
    with path.open("rb") as file, path2.open("rb") as file2:
        response = client.post(
            "/files/",
            files=(

def test_get_http_error():
    response = client.get("/items/3")
    assert response.status_code == 418, response.text
    assert response.content == b"Nope! I don't like 3."


def test_get():
    response = client.get("/items/2")
    assert response.status_code == 200, response.text
    assert response.json() == {"item_id": 2}


def test_openapi_schema():
    response = client.get("/openapi.json")

With a FastAPI application, using a server program like the `fastapi` command that runs Uvicorn, running it once in **one process** can serve multiple clients concurrently.

But in many cases, you will want to run several worker processes at the same time.

### Multiple Processes - Workers

client = TestClient(app)


def test_get():
    response = client.post(
        "/invoices/", json={"id": "fooinvoice", "customer": "John", "total": 5.3}
    )
    assert response.status_code == 200, response.text
    assert response.json() == {"msg": "Invoice received"}


def test_openapi_schema():
    with client:
        response = client.get("/openapi.json")

	Expiry      int    `json:"expires_in"`
}

// KeycloakProvider implements Provider interface for KeyCloak Identity Provider.
type KeycloakProvider struct {
	sync.Mutex

	oeConfig DiscoveryDoc
	client   http.Client
	adminURL string
	realm    string

	// internal value refreshed
	accessToken Token
}

// LoginWithUser authenticates username/password, not needed for Keycloak

    with TestClient(app) as client:
        response = client.get("/items/")
        assert response.status_code == 200, response.text
        assert response.json() == [{"name": "Foo"}]
    with open("log.txt") as log:
        assert "Application shutdown" in log.read()


def test_openapi_schema(app: FastAPI):
    with TestClient(app) as client:
        response = client.get("/openapi.json")

from ...utils import needs_py39, needs_pydanticv1, needs_pydanticv2


@pytest.fixture(name="client")
def get_client():
    from docs_src.path_operation_configuration.tutorial005_py39 import app

    client = TestClient(app)
    return client


@needs_py39
def test_query_params_str_validations(client: TestClient):
    response = client.post("/items/", json={"name": "Foo", "price": 42})

    }

    @Override
    public UpdateRequestBuilder prepareUpdate() {
        return client.prepareUpdate();
    }

    @Override
    public UpdateRequestBuilder prepareUpdate(final String index, final String id) {
        return client.prepareUpdate(index, id);
    }

    @Override
    public IndexRequestBuilder prepareIndex(final String index) {

		return &istiodConfigLog{state: &logLevelState{
			client:         ctrzClient,
			outputLogLevel: outputLogLevel,
		}}
	} else if stackTraceLevel != "" {
		return &istiodConfigLog{state: &stackTraceLevelState{
			client:          ctrzClient,
			stackTraceLevel: stackTraceLevel,
		}}
	}
	return &istiodConfigLog{state: &getAllLogLevelsState{
		client:       ctrzClient,
		outputFormat: outputFormat,
	}}
}