// migration fails upon any error.
func formatErasureMigrateV1ToV2(data []byte, version string) ([]byte, error) {
	if version != formatErasureVersionV1 {
		return nil, fmt.Errorf(`format version expected %s, found %s`, formatErasureVersionV1, version)
	}

	formatV1 := &formatErasureV1{}
	if err := json.Unmarshal(data, formatV1); err != nil {
		return nil, err
	}

	formatV2 := &formatErasureV2{}

/**
 * DefaultEventSpyContext
 */
public class DefaultEventSpyContext implements EventSpy.Context {

    private final Map<String, Object> data = new HashMap<>();

    public Map<String, Object> getData() {
        return data;
    }

def test_read_users():
    response = client.get("/users/42")
    assert response.status_code == 200, response.text


def test_openapi_schema():
    response = client.get("/openapi.json")
    data = response.json()
    assert data == {
        "openapi": "3.1.0",
        "info": {"title": "FastAPI", "version": "0.1.0"},
        "paths": {
            "/users/{user_id}": {
                "get": {

		"Average replication data transfer rate in bytes/sec")
	replicationCurrentActiveWorkersMD = NewGaugeMD(replicationCurrentActiveWorkers,
		"Total number of active replication workers")
	replicationCurrentDataTransferRateMD = NewGaugeMD(replicationCurrentDataTransferRate,
		"Current replication data transfer rate in bytes/sec")

        "name": "Foo",
        "description": None,
        "price": 50.5,
        "tax": None,
    }


def test_wrong_headers(client: TestClient):
    data = '{"name": "Foo", "price": 50.5}'
    response = client.post(
        "/items/", content=data, headers={"Content-Type": "text/plain"}
    )
    assert response.status_code == 422, response.text
    assert response.json() == IsDict(
        {

        "description": None,
        "price": 50.5,
        "tax": None,
    }


@needs_py310
def test_wrong_headers(client: TestClient):
    data = '{"name": "Foo", "price": 50.5}'
    response = client.post(
        "/items/", content=data, headers={"Content-Type": "text/plain"}
    )
    assert response.status_code == 422, response.text
    assert response.json() == IsDict(
        {

public class PacCredentialType {

    private static final int MINIMAL_BUFFER_SIZE = 32;

    private byte[] credentialType;


    public PacCredentialType ( byte[] data ) throws PACDecodingException {
        this.credentialType = data;
        if ( !isCredentialTypeCorrect() ) {
            throw new PACDecodingException("Invalid PAC credential type");
        }
    }

client = TestClient(app)


def test_login():
    response = client.post("/token", data={"username": "johndoe", "password": "secret"})
    assert response.status_code == 200, response.text
    assert response.json() == {"access_token": "johndoe", "token_type": "bearer"}


def test_login_incorrect_password():
    response = client.post(
        "/token", data={"username": "johndoe", "password": "incorrect"}
    )

			<directory>${project.basedir}/plugins</directory>
			<outputDirectory>fess-${project.version}/es/plugins</outputDirectory>
		</fileSet>
		<!-- es/data -->
		<fileSet>
			<directory>src/main/assemblies/files</directory>
			<outputDirectory>fess-${project.version}/es/data</outputDirectory>
			<excludes>
				<exclude>*</exclude>
			</excludes>
			<filtered>false</filtered>
		</fileSet>
	</fileSets>
	<files>

It will perform the validation of the compound data, and will document it like that for the OpenAPI schema and automatic docs.

## Singular values in body

The same way there is a `Query` and `Path` to define extra data for query and path parameters, **FastAPI** provides an equivalent `Body`.