112 lines
4.3 KiB
TypeScript
112 lines
4.3 KiB
TypeScript
/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import fetchMock from "fetch-mock-jest";
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import { getVectorConfig } from "../../../src/vector/getconfig";
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fetchMock.config.overwriteRoutes = true;
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describe("getVectorConfig()", () => {
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const prevDocumentDomain = document.domain;
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const elementDomain = "app.element.io";
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const now = 1234567890;
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const specificConfig = {
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brand: "specific",
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};
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const generalConfig = {
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brand: "general",
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};
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beforeEach(() => {
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document.domain = elementDomain;
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// stable value for cachebuster
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jest.spyOn(Date, "now").mockReturnValue(now);
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jest.clearAllMocks();
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fetchMock.mockClear();
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});
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afterAll(() => {
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document.domain = prevDocumentDomain;
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jest.spyOn(Date, "now").mockRestore();
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});
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it("requests specific config for document domain", async () => {
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fetchMock.getOnce("express:/config.app.element.io.json", specificConfig);
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fetchMock.getOnce("express:/config.json", generalConfig);
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await expect(getVectorConfig()).resolves.toEqual(specificConfig);
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});
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it("adds trailing slash to relativeLocation when not an empty string", async () => {
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fetchMock.getOnce("express:../config.app.element.io.json", specificConfig);
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fetchMock.getOnce("express:../config.json", generalConfig);
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await expect(getVectorConfig("..")).resolves.toEqual(specificConfig);
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});
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it("returns general config when specific config succeeds but is empty", async () => {
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fetchMock.getOnce("express:/config.app.element.io.json", {});
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fetchMock.getOnce("express:/config.json", generalConfig);
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await expect(getVectorConfig()).resolves.toEqual(generalConfig);
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});
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it("returns general config when specific config 404s", async () => {
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fetchMock.getOnce("express:/config.app.element.io.json", { status: 404 });
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fetchMock.getOnce("express:/config.json", generalConfig);
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await expect(getVectorConfig()).resolves.toEqual(generalConfig);
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});
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it("returns general config when specific config is fetched from a file and is empty", async () => {
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fetchMock.getOnce("express:/config.app.element.io.json", 0);
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fetchMock.getOnce("express:/config.json", generalConfig);
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await expect(getVectorConfig()).resolves.toEqual(generalConfig);
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});
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it("returns general config when specific config returns a non-200 status", async () => {
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fetchMock.getOnce("express:/config.app.element.io.json", { status: 401 });
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fetchMock.getOnce("express:/config.json", generalConfig);
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await expect(getVectorConfig()).resolves.toEqual(generalConfig);
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});
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it("returns general config when specific config returns an error", async () => {
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fetchMock.getOnce("express:/config.app.element.io.json", { throws: "err1" });
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fetchMock.getOnce("express:/config.json", generalConfig);
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await expect(getVectorConfig()).resolves.toEqual(generalConfig);
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});
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it("rejects with an error when general config rejects", async () => {
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fetchMock.getOnce("express:/config.app.element.io.json", { throws: "err-specific" });
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fetchMock.getOnce("express:/config.json", { throws: "err-general" });
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await expect(getVectorConfig()).rejects.toBe("err-general");
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});
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it("rejects with an error when config is invalid JSON", async () => {
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fetchMock.getOnce("express:/config.app.element.io.json", { throws: "err-specific" });
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fetchMock.getOnce("express:/config.json", '{"invalid": "json",}');
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// We can't assert it'll be a SyntaxError as node-fetch behaves differently
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// https://github.com/wheresrhys/fetch-mock/issues/270
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await expect(getVectorConfig()).rejects.toThrow("Unexpected token } in JSON at position 19");
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});
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});
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