packages/bun-types/tests/mocks.test-d.ts


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

import { expectType } from "tsd";
import { mock, jest } from "bun:test";

const mock1 = mock((arg: string) => {
  return arg.length;
});

const arg1 = mock1("1");
expectType<number>(arg1);
mock;

type arg2 = jest.Spied<() => string>;
declare var arg2: arg2;
arg2.mock.calls[0];
mock;

// @ts-expect-error
jest.fn<() => Promise<string>>().mockReturnValue("asdf");
// @ts-expect-error
jest.fn<() => string>().mockReturnValue(24);
jest.fn<() => string>().mockReturnValue("24");

jest.fn<() => Promise<string>>().mockResolvedValue("asdf");
// @ts-expect-error
jest.fn<() => string>().mockResolvedValue(24);
// @ts-expect-error
jest.fn<() => string>().mockResolvedValue("24");

jest.fn().mockClear();
jest.fn().mockReset();
jest.fn().mockRejectedValueOnce(new Error());