import randomColor from "randomcolor";
jest.mock("randomColor", () => {
return {
randomColor: () => {
return mockColor('#123456');
}
}
});
let mockColor = jest.fn();test("mockName", () => {
const mockFn = jest.fn().mockName("mockedFunction");
mockFn(); // comment me
expect(mockFn).toHaveBeenCalled();
});const myMockFn = jest
.fn()
.mockImplementationOnce(cb => cb(null, true))
.mockImplementationOnce(cb => cb(null, false));
myMockFn((err, val) => console.log(val));
// > true
myMockFn((err, val) => console.log(val));
// > false