.url("http://publicobject.com/secrets/hellosecret.txt")
        .build();

    try (Response response = client.newCall(request).execute()) {
      if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

      System.out.println(response.body().string());
    }
  }

  public static void main(String... args) throws Exception {
    new Authenticate().run();
  }

        serverData.encryptionKeyLength = 8;
        response.flags2 = ServerMessageBlock.FLAGS2_UNICODE;
        byte[] domainNameBytes = "DOMAIN_U".getBytes("UTF-16LE");
        response.byteCount = 8 + domainNameBytes.length + 2; // key + domain + null terminator

        // Prepare byte array
        byte[] encryptionKey = "12345678".getBytes();
        ByteBuffer buffer = ByteBuffer.allocate(response.byteCount);
        buffer.put(encryptionKey);

          .build(),
      )
    call.execute().use { response ->
      assertThat(response.headers)
        .isEqualTo(headersOf("h1", "v1", "h2", "v2"))
      val responseBody = response.body.source()
      assertThat(responseBody.readUtf8(2)).isEqualTo("ok")
      assertThat(responseBody.exhausted()).isTrue()
      assertThat(response.trailers()).isEqualTo(headersOf("trailers", "boom"))
    }

  }

  override fun reportedContentLength(response: Response): Long =
    when {
      !response.promisesBody() -> 0L
      response.isChunked -> -1L
      else -> response.headersContentLength()
    }

  override fun openResponseBodySource(response: Response): Source =
    when {
      !response.promisesBody() -> {
        newFixedLengthSource(response.request.url, 0)
      }

client = TestClient(app)


def test_path_operation():
    response = client.get("/items/foo")
    assert response.status_code == 200, response.text
    assert response.json() == {"id": "foo", "value": "there goes my hero"}


def test_path_operation_not_found():
    response = client.get("/items/bar")
    assert response.status_code == 404, response.text
    assert response.json() == {"message": "Item not found"}

Döndürmeniz gerekenden daha fazla veri döndürmediğinizden emin olmak için, [Tutorial - Response Model - Return Type](../tutorial/response-model.md) dokümantasyonunu okuyun.

## Response Performansını Optimize Etme - Response Model - Return Type { #optimize-response-performance-response-model-return-type }

              return null // Give up, we've already attempted to authenticate.
            }

            println("Authenticating for response: $response")
            println("Challenges: ${response.challenges()}")
            val credential = Credentials.basic("jesse", "password1")
            return response.request
              .newBuilder()
              .header("Authorization", credential)
              .build()
          }
        },

    @Test
    void testToString_FindFirst2() {
        response.subCommand = SmbComTransaction.TRANS2_FIND_FIRST2;
        response.sid = 123;
        response.numEntries = 5;
        response.isEndOfSearch = true;
        response.eaErrorOffset = 0;
        response.lastNameOffset = 100;
        response.lastName = "file5.txt";

        String actual = response.toString();

    response = client.get("/users")
    assert response.status_code == 200, response.text
    assert response.json() == [{"user_id": "u1"}, {"user_id": "u2"}]


def test_get_user():
    """Check that /users/{user_id} returns expected data"""
    response = client.get("/users/abc123")
    assert response.status_code == 200, response.text
    assert response.json() == {"user_id": "abc123"}

      }
    }

    constructor(response: Response) {
      this.url = response.request.url
      this.varyHeaders = response.varyHeaders()
      this.requestMethod = response.request.method
      this.protocol = response.protocol
      this.code = response.code
      this.message = response.message
      this.responseHeaders = response.headers
      this.handshake = response.handshake