from fastapi._compat import v2

    # For coverage
    field_info = FieldInfo(annotation=str)
    field = v2.ModelField(name="foo", field_info=field_info)
    assert field.default is Undefined


def test_complex():
    app = FastAPI()

    @app.post("/")
    def foo(foo: Union[str, list[int]]):
        return foo

    client = TestClient(app)

    response = client.post("/", json="bar")

 * dependencies using the {@link org.apache.maven.api.services.DependencyResolver} service.
 * <p>
 * This extensible enum has four defined values, {@link #MAIN_COMPILE}, {@link #MAIN_RUNTIME},
 * {@link #TEST_COMPILE} and {@link #TEST_RUNTIME}, but can be extended by registering a
 * {@code org.apache.maven.api.spi.PathScopeProvider}.
 * <p>

        // JUnit has an "Automatic-Module-Name", so it appears on the module path.
        Map<PathType, List<Path>> dispatched = session.resolveDependencies(
                coords, PathScope.TEST_COMPILE, Arrays.asList(JavaPathType.CLASSES, JavaPathType.MODULES));
        List<Path> classes = dispatched.get(JavaPathType.CLASSES);
        List<Path> modules = dispatched.get(JavaPathType.MODULES);

import static org.apache.maven.api.Lifecycle.Phase.RESOURCES;
import static org.apache.maven.api.Lifecycle.Phase.SOURCES;
import static org.apache.maven.api.Lifecycle.Phase.TEST;
import static org.apache.maven.api.Lifecycle.Phase.TEST_COMPILE;
import static org.apache.maven.api.Lifecycle.Phase.TEST_RESOURCES;
import static org.apache.maven.api.Lifecycle.Phase.TEST_SOURCES;
import static org.apache.maven.api.Lifecycle.Phase.UNIT_TEST;

    public static final MojoDescriptor VALIDATE = createMojoDescriptor("validate");

    public static final MojoDescriptor INITIALIZE = createMojoDescriptor("initialize");

    public static final MojoDescriptor TEST_COMPILE = createMojoDescriptor("test-compile");

    public static final MojoDescriptor PROCESS_TEST_RESOURCES = createMojoDescriptor("process-test-resources");

        String VERIFY = "verify";
        String UNIT_TEST = "unit-test";
        String TEST_SOURCES = "test-sources";
        String TEST_RESOURCES = "test-resources";
        String TEST_COMPILE = "test-compile";
        String TEST = "test";
        String INTEGRATION_TEST = "integration-test";
        String INSTALL = "install";
        String DEPLOY = "deploy";
        String CLEAN = "clean";