element-web/test/unit-tests/vector/getconfig-test.ts

106 lines
4.0 KiB
TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import fetchMock from "fetch-mock-jest";
import { getVectorConfig } from "../../../src/vector/getconfig";
fetchMock.config.overwriteRoutes = true;
describe("getVectorConfig()", () => {
const elementDomain = "app.element.io";
const now = 1234567890;
const specificConfig = {
brand: "specific",
};
const generalConfig = {
brand: "general",
};
beforeEach(() => {
Object.defineProperty(window, "location", {
value: { href: `https://${elementDomain}`, hostname: elementDomain },
writable: true,
});
// stable value for cachebuster
jest.spyOn(Date, "now").mockReturnValue(now);
jest.clearAllMocks();
fetchMock.mockClear();
});
afterAll(() => {
jest.spyOn(Date, "now").mockRestore();
});
it("requests specific config for document domain", async () => {
fetchMock.getOnce("express:/config.app.element.io.json", specificConfig);
fetchMock.getOnce("express:/config.json", generalConfig);
await expect(getVectorConfig()).resolves.toEqual(specificConfig);
});
it("adds trailing slash to relativeLocation when not an empty string", async () => {
fetchMock.getOnce("express:../config.app.element.io.json", specificConfig);
fetchMock.getOnce("express:../config.json", generalConfig);
await expect(getVectorConfig("..")).resolves.toEqual(specificConfig);
});
it("returns general config when specific config succeeds but is empty", async () => {
fetchMock.getOnce("express:/config.app.element.io.json", {});
fetchMock.getOnce("express:/config.json", generalConfig);
await expect(getVectorConfig()).resolves.toEqual(generalConfig);
});
it("returns general config when specific config 404s", async () => {
fetchMock.getOnce("express:/config.app.element.io.json", { status: 404 });
fetchMock.getOnce("express:/config.json", generalConfig);
await expect(getVectorConfig()).resolves.toEqual(generalConfig);
});
it("returns general config when specific config is fetched from a file and is empty", async () => {
fetchMock.getOnce("express:/config.app.element.io.json", 0);
fetchMock.getOnce("express:/config.json", generalConfig);
await expect(getVectorConfig()).resolves.toEqual(generalConfig);
});
it("returns general config when specific config returns a non-200 status", async () => {
fetchMock.getOnce("express:/config.app.element.io.json", { status: 401 });
fetchMock.getOnce("express:/config.json", generalConfig);
await expect(getVectorConfig()).resolves.toEqual(generalConfig);
});
it("returns general config when specific config returns an error", async () => {
fetchMock.getOnce("express:/config.app.element.io.json", { throws: "err1" });
fetchMock.getOnce("express:/config.json", generalConfig);
await expect(getVectorConfig()).resolves.toEqual(generalConfig);
});
it("rejects with an error when general config rejects", async () => {
fetchMock.getOnce("express:/config.app.element.io.json", { throws: "err-specific" });
fetchMock.getOnce("express:/config.json", { throws: "err-general" });
await expect(getVectorConfig()).rejects.toBe("err-general");
});
it("rejects with an error when config is invalid JSON", async () => {
fetchMock.getOnce("express:/config.app.element.io.json", { throws: "err-specific" });
fetchMock.getOnce("express:/config.json", '{"invalid": "json",}');
// We can't assert it'll be a SyntaxError as node-fetch behaves differently
// https://github.com/wheresrhys/fetch-mock/issues/270
await expect(getVectorConfig()).rejects.toThrow("in JSON at position 19");
});
});