ts-mock-imports issue file

bar.d.ts

export function storiesOf(): string;

bar.js

Object.defineProperty(exports, "storiesOf", {
    enumerable: true,
    get: function() {
      return () => 'abc';
    }
});

foo.test.ts

import { assert } from 'chai';
import { describe, it } from 'mocha';
import { ImportMock } from 'ts-mock-imports';
import * as Module from './bar';

ImportMock.mockFunction(Module, 'storiesOf', 'xyz');

import fooFn from './foo'; // which in fact should call Module.storiesOf

describe('foo', () => {
    it('should do the magic', () => {
        assert.strictEqual(fooFn(), 'xyz');
    });
});

foo.ts

import * as Module from './bar';

export default function() {
    return Module.storiesOf();
}

run

mocha --require ts-node/register *.test.ts