相反地，你想提供一個只在測試期間使用的不同相依（可能只在特定測試中），並回傳一個可以在原本相依值被使用之處使用的值。

### 使用情境：外部服務 { #use-cases-external-service }

例如你有一個需要呼叫的外部驗證提供者。

你傳送一個 token，它會回傳一個已驗證的使用者。

這個提供者可能按每個請求收費，而且呼叫它可能比在測試中使用固定的模擬使用者多花一些時間。

你大概只想對外部提供者測試一次，而不需要在每個測試都呼叫它。

在這種情況下，你可以覆寫用來呼叫該提供者的相依，並在測試中使用自訂的相依來回傳一個模擬使用者。

### 使用 `app.dependency_overrides` 屬性 { #use-the-app-dependency-overrides-attribute }

						return err
					}
					buf := bytes.NewBuffer(nil)
					if _, err = msgp.CopyToJSON(buf, bytes.NewReader(b)); err != nil {
						return err
					}

					dec := json.NewDecoder(buf)
					// Use number to preserve integers.
					dec.UseNumber()
					var htr map[string]any
					if err = dec.Decode(&htr); err != nil {
						return err
					}
					ht[file.Name] = htr
				}
			}

/*
 * Copyright (C) 2014 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

/*
 * Copyright (C) 2014 Square, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

/*
 * Copyright (C) 2011 The Guava Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License

     * The operating system detects a change in file size only when the file is written to the disk. For operating
     * systems that use extensive caching, detection occurs only when the cache is sufficiently flushed.s
     */
    int FILE_NOTIFY_CHANGE_SIZE = 0x00000008;

    /**

/**
 * Unit tests exercising {@link SmbComSessionSetupAndX}.  The class under test
 * contains several protected helper methods and a complex constructor
 * that branches on credential type.  These tests use reflection to call
 * protected methods and Mockito to stub collaborators.
 */
@ExtendWith(MockitoExtension.class)
@MockitoSettings(strictness = Strictness.LENIENT)
public class SmbComSessionSetupAndXTest {

    @Mock

<img src="/img/tutorial/response-status-code/image01.png">

/// note | Remarque

Certains codes de réponse (voir la section suivante) indiquent que la réponse n'a pas de corps.

FastAPI le sait et produira une documentation OpenAPI indiquant qu'il n'y a pas de corps de réponse.

///

## À propos des codes d'état HTTP { #about-http-status-codes }

/// note | Remarque

            // use a KDC of our choice.
            // A potential workaround would be to try to get the server FQDN by reverse lookup, but this might have
            // security implications and also is not how Microsoft does it.
            throw new SmbUnsupportedOperationException("Cannot use netbios/short names with kerberos authentication, have " + host);
        }
        try {

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,