![Swagger UI](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)

* Klik op de knop "Try it out", hiermee kan je de parameters invullen en direct met de API interacteren:

![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-04-swagger-03.png)

    assertThat(reader.readLine()).isEqualTo("This is the new location!")
    val first = server.takeRequest()
    assertThat(first.requestLine).isEqualTo("GET / HTTP/1.1")
    val redirect = server.takeRequest()
    assertThat(redirect.requestLine).isEqualTo("GET /new-path HTTP/1.1")
  }

  /**
   * Test that MockWebServer blocks for a call to enqueue() if a request is made before a mock
   * response is ready.
   */

    assertThat(reader.readLine()).isEqualTo("This is the new location!")
    val first = server.takeRequest()
    assertThat(first.requestLine).isEqualTo("GET / HTTP/1.1")
    val redirect = server.takeRequest()
    assertThat(redirect.requestLine).isEqualTo("GET /new-path HTTP/1.1")
  }

  /**
   * Test that MockWebServer blocks for a call to enqueue() if a request is made before a mock
   * response is ready.
   */

	// accordingly. Client receives a HTTP error for invalid/unsupported
	// signatures.
	//
	// Validates all incoming requests to have a valid date header.
	setAuthMiddleware,
	// Redirect some pre-defined browser request paths to a static location
	// prefix.
	setBrowserRedirectMiddleware,
	// Adds 'crossdomain.xml' policy middleware to serve legacy flash clients.
	setCrossDomainPolicyMiddleware,

///

### Namenskollisionen vermeiden

Wir importieren das Submodul `items` direkt, anstatt nur seine Variable `router` zu importieren.

Das liegt daran, dass wir im Submodul `users` auch eine weitere Variable namens `router` haben.

Wenn wir eine nach der anderen importiert hätten, etwa:

## Caveat

   * syntax</a>.
   *
   * @return a new, empty {@code HashMap}
   */
  @SuppressWarnings("NonApiType") // acts as a direct substitute for a constructor call
  public static <K extends @Nullable Object, V extends @Nullable Object>
      HashMap<K, V> newHashMap() {
    return new HashMap<>();
  }

  /**

   * syntax</a>.
   *
   * @return a new, empty {@code HashMap}
   */
  @SuppressWarnings("NonApiType") // acts as a direct substitute for a constructor call
  public static <K extends @Nullable Object, V extends @Nullable Object>
      HashMap<K, V> newHashMap() {
    return new HashMap<>();
  }

  /**

/// note | "Technische Details"

Das geschieht nur, wenn Sie die Installation mit der enthaltenen `requirements.txt` durchführen, anstatt `pip install fastapi` direkt auszuführen.

Das liegt daran, dass in der Datei `requirements.txt` die lokale Version von FastAPI mit der Option `-e` für die Installation im „editierbaren“ Modus markiert ist.

///

### Den Code formatieren

import okhttp3.Protocol
import okhttp3.internal.http.StatusLine.Companion.parse
import org.junit.jupiter.api.Test

class StatusLineTest {
  @Test
  fun parse() {
    val message = "Temporary Redirect"
    val version = 1
    val code = 200
    val statusLine = parse("HTTP/1.$version $code $message")
    assertThat(statusLine.message).isEqualTo(message)
    assertThat(statusLine.protocol).isEqualTo(Protocol.HTTP_1_1)