from fastapi.responses import JSONResponse
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()


class JsonApiResponse(JSONResponse):
    media_type = "application/vnd.api+json"


class Error(BaseModel):
    status: str
    title: str


class JsonApiError(BaseModel):
    errors: typing.List[Error]


@app.get(
    "/a",
    status_code=204,

/**
 * @author mbechler
 *
 */
@SuppressWarnings ( {
    "javadoc", "restriction"
} )
@RunWith ( Parameterized.class )
public class KerberosTest extends BaseCIFSTest {

    private static final Logger log = LoggerFactory.getLogger(KerberosTest.class);


    /**
     * @param properties
     */
    public KerberosTest ( String name, Map<String, String> properties ) {

To do that, use the standard Python type hint <a href="https://docs.python.org/3/library/typing.html#typing.Union" class="external-link" target="_blank">`typing.Union`</a>:

/// note

 * 3. Register with `client.eventListenerFactory(eventListenerFactory)`
 * 4. Launch wireshark if not done externally `val process = eventListenerFactory.launchWireShark()`
 */
@SuppressSignatureCheck
class WireSharkListenerFactory(
  private val logFile: File,
  private val tlsVersions: List<TlsVersion>,
  private val launch: Launch? = null,
) : EventListener.Factory {
  override fun create(call: Call): EventListener {

 * This is for the benefit of container environments that implement code unloading.
 *
 * Most applications should share a process-wide [TaskRunner] and use queues for per-client work.
 */
class TaskRunner(
  val backend: Backend,
  internal val logger: Logger = TaskRunner.logger,
) {
  val lock: ReentrantLock = ReentrantLock()
  val condition: Condition = lock.newCondition()

import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ExecutionException;

/**
 * This class provides a skeletal implementation of the {@code Cache} interface to minimize the
 * effort required to implement this interface.
 *
 * <p>To implement a cache, the programmer needs only to extend this class and provide an
 * implementation for the {@link #put} and {@link #getIfPresent} methods. {@link #getAllPresent} is

import jakarta.annotation.PostConstruct;
import jakarta.annotation.PreDestroy;
import jakarta.annotation.Resource;

public class OpenSearchUrlQueueService extends AbstractCrawlerService implements UrlQueueService<OpenSearchUrlQueue> {
    private static final Logger logger = LoggerFactory.getLogger(OpenSearchUrlQueueService.class);

    @Resource
    protected OpenSearchDataService dataService;

     */
    public static String getSignature(final String methodName, final Class<?>... argTypes) {
        assertArgumentNotEmpty("methodName", methodName);

        final StringBuilder buf = new StringBuilder(100);
        buf.append(methodName).append("(");
        if (argTypes != null && argTypes.length > 0) {
            for (final Class<?> argType : argTypes) {
                buf.append(argType.getName()).append(", ");

    assertFalse(source.contentEquals(oneByteOff));
  }

  public void testSlice() throws IOException {
    // Test preconditions
    assertThrows(IllegalArgumentException.class, () -> source.slice(-1, 10));

    assertThrows(IllegalArgumentException.class, () -> source.slice(0, -1));

    assertCorrectSlice(0, 0, 0, 0);
    assertCorrectSlice(0, 0, 1, 0);
    assertCorrectSlice(100, 0, 10, 10);

### 查看

打开浏览器访问 <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000</a>。

你将看到如下的 JSON 响应：

```JSON
{"message": "Hello World"}
```

### 交互式 API 文档

跳转到 <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>。

你将会看到自动生成的交互式 API 文档（由 <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank">Swagger UI</a> 提供）：