RequestTrace doesNotHaveIt =
                RequestTrace.newChild(null, "foo").newChild("bar").newChild("baz");
        assertNull(ReverseTreeRepositoryListener.lookupCollectStepData(doesNotHaveIt));

        final CollectStepData data = mock(CollectStepData.class);

        RequestTrace haveItFirst = RequestTrace.newChild(null, data)
                .newChild("foo")
                .newChild("bar")
                .newChild("baz");

    assertEquals("Foo", new ClassInfo(FILE, "Foo.class", classLoader).getSimpleName());
    assertEquals("Foo", new ClassInfo(FILE, "a/b/Foo.class", classLoader).getSimpleName());
    assertEquals("Foo", new ClassInfo(FILE, "a/b/Bar$Foo.class", classLoader).getSimpleName());
    assertEquals("", new ClassInfo(FILE, "a/b/Bar$1.class", classLoader).getSimpleName());

        "description": "This is a special offer",
        "price": 38.6,
        "items": [
            {
                "name": "Foo",
                "description": "A very nice Item",
                "price": 35.4,
                "tax": 3.2,
                "tags": ["foo"],
                "images": [
                    {
                        "url": "http://example.com/image.png",

client = TestClient(app)


def test_foo_needy_very():
    response = client.get("/items/foo?needy=very")
    assert response.status_code == 200
    assert response.json() == {"item_id": "foo", "needy": "very"}


def test_foo_no_needy():
    response = client.get("/items/foo")
    assert response.status_code == 422
    assert response.json() == {
        "detail": [
            {

<?xml version="1.0" encoding="UTF-8"?>
<foo xmlns:xi="http://www.w3.org/2001/XInclude">
	<xi:include href="/included.xml"/>

client = TestClient(app)


def test_put_correct_body():
    response = client.post("/items/", json=[{"name": "Foo", "age": 5}])
    assert response.status_code == 200, response.text
    assert response.json() == snapshot(
        {
            "item": [
                {
                    "name": "Foo",
                    "age": "5",
                }
            ]
        }
    )

    return client


def test_items_5(client: TestClient):
    response = client.put("/items/5", json={"item": {"name": "Foo", "price": 3.0}})
    assert response.status_code == 200
    assert response.json() == {
        "item_id": 5,
        "item": {"name": "Foo", "price": 3.0, "description": None, "tax": None},
    }


def test_items_6(client: TestClient):
    response = client.put(
        "/items/6",

     * <th>{@literal Map} Property Name</th>
     * </tr>
     * <tr>
     * <td>{@literal foo}</td>
     * <td>{@literal foo}</td>
     * </tr>
     * <tr>
     * <td>{@literal foo_bar}</td>
     * <td>{@literal foo.bar}</td>
     * </tr>
     * <tr>
     * <td>{@literal foo_bar_baz}</td>
     * <td>{@literal foo.bar.baz}</td>
     * </tr>
     * </table>
     *
     * @param beanDelimiter

    return client


def test_post_body_q_bar_content(client: TestClient):
    response = client.put("/items/5?q=bar", json={"name": "Foo", "price": 50.5})
    assert response.status_code == 200
    assert response.json() == {
        "item_id": 5,
        "item": {
            "name": "Foo",
            "price": 50.5,
            "description": None,
            "tax": None,
        },
        "q": "bar",
    }

У цьому випадку **FastAPI** очікуватиме тіло запиту такого вигляду:

```JSON hl_lines="2"
{
    "item": {
        "name": "Foo",
        "description": "The pretender",
        "price": 42.0,
        "tax": 3.2
    }
}
```

замість:

```JSON
{
    "name": "Foo",
    "description": "The pretender",
    "price": 42.0,
    "tax": 3.2
}
```

## Підсумок