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fooRouter.spec.js
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fooRouter.spec.js
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import express from "express";
import request from "supertest";
import fooRouter from "../fooRouter";
import { rest } from "msw";
import { setupServer } from "msw/node";
describe("Session token route", function () {
const api = request(express().use(fooRouter).use(express.json()));
const server = setupServer();
const expectedStubbedResponse = {
response: "expected",
};
beforeAll(() => {
server.listen({ onUnhandledRequest: "bypass" });
});
afterAll(() => {
server.close();
});
it("Shows the error when stubbing a POST request", async () => {
server.use(
rest.post("https://example.com/v1/create", async (_, res, ctx) => {
// This does not stub the response body correctly
return res(ctx.json(expectedStubbedResponse));
})
);
const response = await api.get("/api/foo/failing");
expect(response.body).toEqual(
expect.objectContaining(expectedStubbedResponse)
);
});
it("Shows a successful result when stubbing a GET request", async () => {
server.use(
rest.get("https://example.com/v1/item", async (_, res, ctx) => {
// This will stub the response body correctly
return res(ctx.json(expectedStubbedResponse));
})
);
const response = await api.get("/api/foo/succeeding");
expect(response.body).toEqual(
expect.objectContaining(expectedStubbedResponse)
);
});
});