fetch-mock

问题 I am trying to do unit testing for a simple function which sends a get request, receives a response and then returns a promise object with the success or the failure message. Following is the function: module.exports.hello = async (event, context) => { return new Promise((resolve, reject) => { fetch("https://httpstat.us/429", { headers: { 'Content-Type': 'application/json' } }).then(response => { console.log(response); if (response.status == 200) { return response; } else { throw Error

来源： https://stackoverflow.com/questions/49034907/fetch-mock-does-not-mock-my-fetch

问题 I'm testing my react components and I want to mock several get operations. What I want to do is something like: test(`Created correctly`, async () => { fetchMock.get(`*`, JSON.stringify(FIRSTGETOBJ)); fetchMock.get(`*`, JSON.stringify(SECONDGETOBJ)); fetchMock.get(`*`, JSON.stringify(THIRDGETOBJ)); //... } The url for each get is the same, but the payload changes. However, using the code above I will get: Error: Adding route with same name as existing route. See `overwriteRoutes` option. How