def test_value_extracting_by_http():
    response = client.get("/http")
    assert response.status_code == 200
    assert response.json() == 42


def test_value_extracting_by_ws():
    with client.websocket_connect("/ws") as websocket:

            releasedVersion('4.4', referenceBuildTime + 5),
            releasedVersion('4.3', referenceBuildTime + 2),
            releasedVersion('4.2.1', referenceBuildTime + 3),
            releasedVersion('4.2', referenceBuildTime),
        ]
        def versions = releasedVersions(snapshot, rc, finalVersionsBefore)
        def version = new ReleasedVersion('4.2', '20170913122310+0000')
        expect:

    Function<String, @Nullable Integer> function = Functions.forMap(map, 42);

    assertEquals(1, function.apply("One").intValue());
    assertEquals(42, function.apply("Two").intValue());
    assertEquals(3, function.apply("Three").intValue());
    assertThat(function.apply("Null")).isNull();

    new EqualsTester()
        .addEqualityGroup(function, Functions.forMap(map, 42))
        .addEqualityGroup(Functions.forMap(map))

```jinja
Item ID: {{ id }}
```

{% endraw %}

...aparecerá o `id` obtido do "context" `dict` que você passou:

```Python
{"id": id}
```

Por exemplo, dado um ID de valor `42`, aparecerá:

```html
Item ID: 42
```

### Argumentos do `url_for` no template { #template-url-for-arguments }

{% endraw %}

... wird die `id` angezeigt, welche dem „Kontext“-`dict` entnommen wird, welches Sie übergeben haben:

```Python
{"id": id}
```

Mit beispielsweise einer ID `42` würde das wie folgt gerendert werden:

```html
Item ID: 42
```

### Template-`url_for`-Argumente { #template-url-for-arguments }

        assertEquals("line 42", problem.getLocation());

        problem = new DefaultProblem(null, null, null, -1, 127, null);
        assertEquals("column 127", problem.getLocation());

        problem = new DefaultProblem(null, null, "SOURCE", 42, 127, null);
        assertEquals("SOURCE, line 42, column 127", problem.getLocation());
    }

    @Test

                "q": "somequery",
                "description": "This is an amazing item that has a long description",
            },
        ),
        (
            "/users/42/items/baz?short=true",
            {"item_id": "baz", "owner_id": 42},
        ),
    ],
)
def test_read_user_item(client: TestClient, path, expected_json):
    response = client.get(path)
    assert response.status_code == 200

    return client


def test_query_params_str_validations(client: TestClient):
    response = client.post("/items/", json={"name": "Foo", "price": 42})
    assert response.status_code == 200, response.text
    assert response.json() == {
        "name": "Foo",
        "price": 42,
        "description": None,
        "tax": None,
        "tags": [],
    }


def test_openapi_schema(client: TestClient):

    return client


def test_query_params_str_validations(client: TestClient):
    response = client.post("/items/", json={"name": "Foo", "price": 42})
    assert response.status_code == 200, response.text
    assert response.json() == {
        "name": "Foo",
        "price": 42,
        "description": None,
        "tax": None,
        "tags": [],
    }


def test_openapi_schema(client: TestClient):

```Python
{"id": id}
```

例如。当ID为 `42`时, 会渲染成:

```html
Item ID: 42
```

### 模板 `url_for` 参数

你还可以在模板内使用 `url_for()`，其参数与*路径操作函数*的参数相同.

所以，该部分:

{% raw %}

```jinja
<a href="{{ url_for('read_item', id=id) }}">
```

{% endraw %}

...将生成一个与处理*路径操作函数* `read_item(id=id)`的URL相同的链接

例如。当ID为 `42`时, 会渲染成:

```html
<a href="/items/42">
```

## 模板与静态文件