小编Som*_*jee的帖子

How can the instance methods be mocked for a class that is being mocked with jest.mock?

For example, a class Logger is mocked:

import Person from "./Person";
import Logger from "./Logger";

jest.mock("./Logger");

describe("Person", () => {
  it("calls Logger.method1() on instantiation", () => {
    Logger.method1.mockImplementation(() => {}) // This fails as `method1` is an instance method but how can the instance method be mocked here?
    new Person();
    
    expect(Logger.method1).toHaveBeenCalled();
  });
});

假设我有两个 Numpy 数组 A 和 B，我想看看是否有sorted(A) == sorted(B)？例如：如果A = [5,3,2,4]和B = [3,2,5,4]，那么我必须得到真。这样做的最快方法是什么？