* simultaneously adopted and removed.
   */
  private val connections = ConcurrentLinkedQueue<RealConnection>()

  init {
    // Put a floor on the keep alive duration, otherwise cleanup will spin loop.
    require(keepAliveDuration > 0L) { "keepAliveDuration <= 0: $keepAliveDuration" }
  }

  fun idleConnectionCount(): Int =
    connections.count {

                                                <li
                                                        <c:if test="${p == pager.currentPageNumber}">class="page-item active"</c:if>>
                                                    <la:link
                                                            styleClass="page-link"

                        </h1>
                    </div>
                    <div class="col-sm-6">
                        <ol class="breadcrumb float-sm-right">
                            <li class="breadcrumb-item active"><la:link href="/admin/badword">
                                <la:message key="labels.bad_word_link_list"/>
                            </la:link></li>
                        </ol>
                    </div>

                                <la:message key="labels.bad_word_link_list"/>
                            </la:link></li>
                            <li class="breadcrumb-item active"><la:message
                                    key="labels.bad_word_link_details"/></li>
                        </ol>
                    </div>
                </div>
            </div>
        </div>

                                <la:message key="labels.wizard_start_title"/>
                            </la:link></li>
                            <li class="breadcrumb-item active"><la:message
                                    key="labels.wizard_crawling_config_title"/></li>
                        </ol>
                    </div>
                </div>
            </div>
        </div>

Para usar o `TestClient`, primeiro instale o <a href="https://www.python-httpx.org" class="external-link" target="_blank">`httpx`</a>.

Certifique-se de criar um [ambiente virtual](../virtual-environments.md){.internal-link target=_blank}, ativá-lo e instalá-lo, por exemplo:

```console
$ pip install httpx
```

///

Importe `TestClient`.

Crie um `TestClient` passando seu aplicativo **FastAPI** para ele.

                                <la:message key="labels.dict_protwords_list_link"/>
                            </la:link></li>
                            <li class="breadcrumb-item active"><la:message
                                    key="labels.dict_protwords_link_details"/></li>
                        </ol>
                    </div>
                </div>
            </div>
        </div>

	ETA         time.Duration `json:"eta"`
}

type rebalancePoolStatus struct {
	ID       int               `json:"id"`       // Pool index (zero-based)
	Status   string            `json:"status"`   // Active if rebalance is running, empty otherwise
	Used     float64           `json:"used"`     // Percentage used space
	Progress rebalPoolProgress `json:"progress"` // is empty when rebalance is not running
}

                                <la:message key="labels.dict_stemmeroverride_list_link"/>
                            </la:link></li>
                            <li class="breadcrumb-item active"><la:message
                                    key="labels.dict_stemmeroverride_link_details"/></li>
                        </ol>
                    </div>
                </div>
            </div>
        </div>

    assertThat(recorded.headers["Accept"]).isEqualTo("text/plain")
    assertThat(recorded.headers["Accept-Encoding"]).isEqualTo("gzip")
    assertThat(recorded.headers["Connection"]).isEqualTo("Keep-Alive")
    assertThat(recorded.headers["User-Agent"]!!).matches(Regex("okhttp/.*"))
  }