我很难在我的thunk中模拟API响应。模拟返回未定义的数据。
错误：预期为（jest.fn（））.toHaveBeenCalledWith（预期为...）
预期：{“有效负载”：{“数据”：[“嘿”，“foo”]，“结果值”：0}，“类型”：“产品/集产品”}
接收到1个对象{ -“有效负载”：对象{ -“数据”：数组[ -“嘿”，-“foo”，- ]，-“结果值”：0，+“ meta”：对象{ +“参数”：未定义，+“请求ID”：“xwidHSyGluO 0 zxXJgYNC”，+“请求状态”：“挂起”、}、-“类型”：“产品/集合产品”，+“有效负载”：未定义，+“类型”：“产品/获取产品/待处理”，}，2对象{ -“有效负载”：对象{ -“数据”：数组[ -“嘿”，-“foo”，- ]，-“结果值”：0，- }，-“类型”：“产品/集合产品”，+“有效负载”：未定义，+“类型”：“产品/集合获取”，}，
具有方法的API文件对象

import { instance } from "./index";
import { ProductType } from "../types/ProductType";

export const productsApi = {
    requestProducts() {
        return instance.get<ProductType[]>('products')
            .then(response => response.data)
    },
}

感谢

export const getProducts = createAsyncThunk<void, void>
("products/getProducts",
    async function (_, { dispatch }) {
        dispatch(setFetching())
        try {
            const response = await productsApi.requestProducts() `Here is problem with mocking, returns undefined`
            dispatch(setProducts(response))
        } catch {
            dispatch(setError('Some error has been occurred'))
        } finally {
            dispatch(setFetching())
        }
    });

测试

import productsSlice, {
    getProducts,
    productsSelector,
    ProductsStateType,
    setError,
    setFetching,
    setProducts
} from "./productsSlice";
import { RootState } from "../redux-store";
import { productsApi } from "../../api/products-api";

jest.mock("../../api/products-api")

const productsApiMock = productsApi as jest.Mocked<typeof productsApi>;

const dispatchMock = jest.fn();
const getStateMock = jest.fn();

beforeEach(() => {
    dispatchMock.mockClear();
    getStateMock.mockClear();
    productsApiMock.requestProducts.mockClear();
});

const result = {
    resultValue:0,
    data: ['hey','foo']
}

productsApiMock.requestProducts.mockReturnValueOnce(Promise.resolve(result));

describe("products reducer thunk", () => {
    it("getProducts thunk success ", async () => {
        const thunk = getProducts();
        thunk(dispatchMock, getStateMock, {});
        expect(dispatchMock).toBeCalledTimes(2);
        expect(dispatchMock).toHaveBeenCalledWith(setProducts(result));
    });
});