## HTTPX { #httpx }

Even if your **FastAPI** application uses normal `def` functions instead of `async def`, it is still an `async` application underneath.

            assertEquals(3, rp.ordinal());
            break;
        default:
            fail("Unexpected name under test: " + name);
        }
    }

    // Edge: valueOf is case-sensitive and does not accept unknown identifiers
    @ParameterizedTest
    @ValueSource(strings = { "none", "No_Retry", "retain_payload", "UNKNOWN", "NO-RETRY" })

{* ../../docs_src/query_param_models/tutorial001_an_py310.py hl[9:13,17] *}

**FastAPI**は、リクエストの**クエリパラメータ**からそれぞれの**フィールド**のデータを**抽出**し、定義された**Pydanticモデル**を提供します。

## ドキュメントの確認

対話的APIドキュメント `/docs` でクエリパラメータを確認できます:

<div class="screenshot">
<img src="/img/tutorial/query-param-models/image01.png">
</div>

## 余分なクエリパラメータを禁止する

特定の（あまり一般的ではないかもしれない）ケースで、受け付けるクエリパラメータを**制限**する必要があるかもしれません。

   * {@link java.io.PrintWriter#format PrintWriter.format}, and related methods. These support the
   * full range of <a
   * href="https://docs.oracle.com/javase/9/docs/api/java/util/Formatter.html#syntax">format
   * specifiers</a>, and alert you to usage errors by throwing {@link
   * java.util.IllegalFormatException}.
   *

          else -> {
            throw IllegalArgumentException("unexpected type: $label")
          }
        }
      }
      require(certificatePem != null) { "string does not include a certificate" }
      require(pkcs8Base64 != null) { "string does not include a private key" }

      return decode(certificatePem, pkcs8Base64)
    }

    private fun decode(
      certificatePem: String,

     * Returns the {@link PropertyDesc} for the specified property name.
     *
     * @param propertyName
     *            the property name
     * @return the {@link PropertyDesc}, or {@literal null} if the property does not exist
     */
    protected PropertyDesc getPropertyDescNoException(final String propertyName) {
        return propertyDescCache.get(propertyName);
    }

    /**

                    return Arrays.equals(ansiHash, ntlm.ansiHash) && Arrays.equals(unicodeHash, ntlm.unicodeHash);
                    /* This still isn't quite right. If one npa object does not have external
                     * hashes and the other does then they will not be considered equal even
                     * though they may be.
                     */
                }

  private val forbiddenLocks = mutableSetOf<Any>()

  /** The timestamp of the last taken event, used to measure elapsed time between events. */
  private var lastTimestampNs: Long? = null

  /** Confirm that the thread does not hold a lock on `lock` during the callback. */
  fun forbidLock(lock: Any) {
    forbiddenLocks.add(lock)
  }

  /**
   * Removes recorded events up to (and including) an event is found whose class equals [eventClass]

            assertNotNull(foundKey);
            assertEquals(key1, foundKey);
        }
    }

    /**
     * Test getKey method when the requested key type does not exist.
     *
     * @throws LoginException if login fails.
     */
    @Test
    void testGetKey_KeyDoesNotExist() throws LoginException {
        when(key1.getKeyType()).thenReturn(KEY_TYPE_1);

Sie haben eigentlich keine Benutzer, die sich bei Ihrer Anwendung anmelden, sondern Roboter, Bots oder andere Systeme, die nur über einen Zugriffstoken verfügen? Auch hier funktioniert alles gleich.