## Es ausführen { #run-it }

Sie können Ihre Tests wie gewohnt ausführen mit:

<div class="termy">

```console
$ pytest

---> 100%
```

</div>

## Im Detail { #in-detail }

Der Marker `@pytest.mark.anyio` teilt pytest mit, dass diese Testfunktion asynchron aufgerufen werden soll:

{* ../../docs_src/async_tests/app_a_py39/test_main.py hl[7] *}

/// tip | Tipp

        assert response.json() == snapshot({"detail": "Hero not found"})

        # Update a hero that does not exist
        response = client.patch(f"/heroes/{hero_id}", json={"name": "Dog Pond"})
        assert response.status_code == 404, response.text
        assert response.json() == snapshot({"detail": "Hero not found"})


def test_openapi_schema(client: TestClient):

    assert response.json() == 6


def test_exception_handler_body_access(client: TestClient):
    response = client.post("/", json={"numbers": [1, 2, 3]})
    assert response.json() == {
        "detail": {
            "errors": [
                {
                    "type": "list_type",
                    "loc": ["body"],
                    "msg": "Input should be a valid list",

                "HTTPValidationError": {
                    "title": "HTTPValidationError",
                    "type": "object",
                    "properties": {
                        "detail": {
                            "title": "Detail",
                            "type": "array",
                            "items": {"$ref": "#/components/schemas/ValidationError"},
                        }
                    },

    # correctly when using Security with parameterless dependencies.
    if "a" not in security_scopes.scopes or "b" not in security_scopes.scopes:
        raise HTTPException(detail="a or b not in scopes", status_code=401)
    return {"token": credentials, "scopes": security_scopes.scopes}


@app.get("/get-credentials")
def get_credentials(

                "HTTPValidationError": {
                    "title": "HTTPValidationError",
                    "type": "object",
                    "properties": {
                        "detail": {
                            "title": "Detail",
                            "type": "array",
                            "items": {"$ref": "#/components/schemas/ValidationError"},
                        }
                    },

                        "title": "HTTPValidationError",
                        "type": "object",
                        "properties": {
                            "detail": {
                                "title": "Detail",
                                "type": "array",
                                "items": {
                                    "$ref": "#/components/schemas/ValidationError"

def test_model_optional_str_missing():
    client = TestClient(app)
    response = client.post("/model-optional-str")
    assert response.status_code == 422, response.text
    assert response.json() == {
        "detail": [
            {
                "input": None,
                "loc": ["body"],
                "msg": "Field required",
                "type": "missing",
            },
        ],
    }

        raise InternalError(
            f"The portal gun is too dangerous to be owned by {username}"
        )
    if item_id != "plumbus":
        raise HTTPException(
            status_code=404, detail="Item not found, there's only a plumbus here"
        )

                        "title": "HTTPValidationError",
                        "type": "object",
                        "properties": {
                            "detail": {
                                "title": "Detail",
                                "type": "array",
                                "items": {
                                    "$ref": "#/components/schemas/ValidationError"