namespace

test.jest

type Mock<T extends (...args: any[]) => any = (...args: any[]) => any> = JestMock.Mock<T>
Constructs the type of a mock function, e.g. the return type of jest.fn().
type Replaced<T> = JestMock.Replaced<T>
Constructs the type of a replaced property.
type Spied<T extends JestMock.ClassLike | (...args: any[]) => any> = JestMock.Spied<T>
Constructs the type of a spied class or function.
type SpiedClass<T extends JestMock.ClassLike> = JestMock.SpiedClass<T>
Constructs the type of a spied class.
type SpiedFunction<T extends (...args: any[]) => any> = JestMock.SpiedFunction<T>
Constructs the type of a spied function.
type SpiedGetter<T> = JestMock.SpiedGetter<T>
Constructs the type of a spied getter.
type SpiedSetter<T> = JestMock.SpiedSetter<T>
Constructs the type of a spied setter.
function clearAllMocks(): void;
function fn<T extends (...args: any[]) => any>(
func?: T
): Mock<T>;
function restoreAllMocks(): void;
function setSystemTime(
now?: number | Date
): void;
function setTimeout(
milliseconds: number
): void;
function spyOn<T extends object, K extends string | number | symbol>(
obj: T,
methodOrPropertyValue: K
): Mock<Extract<T[K], (...args: any[]) => any>>;
function useFakeTimers(): void;
function useRealTimers(): void;