awkward-to-reproduce situations like 500 errors or slow-loading responses.


### Example

Use MockWebServer the same way that you use mocking frameworks like
[Mockito](https://github.com/mockito/mockito):

1. Script the mocks.
2. Run application code.
3. Verify that the expected requests were made.

Here's a complete example:

### Java
```java
public void test() throws Exception {

To see what exactly you can include in the responses, you can check these sections in the OpenAPI specification:

* [OpenAPI Responses Object](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responses-object), it includes the `Response Object`.

* [Objeto de Responses de OpenAPI](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responses-object), incluye el `Response Object`.

* [OpenAPI Responses Object](https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.1.0.md#responses-object), enthält das `Response Object`.

///

## その他の非同期関数呼び出し { #other-asynchronous-function-calls }

テスト関数が非同期になったので、FastAPI アプリへのリクエスト送信以外の `async` 関数も、コードの他の場所と同様に呼び出して（`await` して）使えます。

/// tip | 豆知識

    node: master
    triggers:
      - timed: "H 7 * * *"
    scm: []
    parameters: []
    builders:
      - shell: |
          #!/bin/bash
          set +x
          STATUS=$(curl -s https://api.github.com/repos/elastic/elasticsearch/branches/%BRANCH% | jq '.protected')
          echo "Branch %BRANCH% protection status is: $STATUS"
          if [[ "$STATUS" == "false" ]]; then

# https://github.com/apache/lucene-solr/blob/master/lucene/analysis/common/src/resources/org/apache/lucene/analysis/snowball/italian_stop.txt
ad
al
allo
ai
agli
all
agl
alla
alle
con
col
coi
da
dal
dallo
dai
dagli
dall
dagl
dalla
dalle
di
del
dello
dei
degli
dell
degl
della
delle
in
nel
nello
nei
negli
nell
negl
nella
nelle
su
sul

    }

    public void test_clear() {
        FailureUrlPager failureUrlPager = new FailureUrlPager();
        failureUrlPager.id = "testId";
        failureUrlPager.url = "http://test.example.com";
        failureUrlPager.threadName = "crawler-1";
        failureUrlPager.errorCount = "5";
        failureUrlPager.errorName = "ConnectionTimeout";
        failureUrlPager.setAllRecordCount(100);

    client = new OkHttpClient.Builder()
        .cache(cache)
        .build();
  }

  public void run() throws Exception {
    Request request = new Request.Builder()
        .url("http://publicobject.com/helloworld.txt")
        .build();

    String response1Body;
    try (Response response1 = client.newCall(request).execute()) {
      if (!response1.isSuccessful()) throw new IOException("Unexpected code " + response1);

# Form Models { #form-models }

You can use **Pydantic models** to declare **form fields** in FastAPI.

/// info

To use forms, first install [`python-multipart`](https://github.com/Kludex/python-multipart).

Make sure you create a [virtual environment](../virtual-environments.md), activate it, and then install it, for example:

```console
$ pip install python-multipart
```

///

/// note