createSocketURL.test.js

/**
 * @jest-environment jsdom
 */

"use strict";

describe("'createSocketURL' function ", () => {
  const samples = [
    // __resourceQuery, location and socket URL
    [
      "?hostname=example.com&pathname=/ws",
      "http://example.com",
      "ws://example.com/ws",
    ],
    ["?protocol=auto:", "http://example.com", "ws://example.com/ws"],
    ["?protocol=auto:", "https://example.com", "wss://example.com/ws"],
    ["?protocol=wss:", "http://example.com", "wss://example.com/ws"],
    ["?protocol=https:", "https://example.com", "wss://example.com/ws"],
    ["?protocol=http:", "https://example.com", "ws://example.com/ws"],
    ["?hostname=example.com", "http://example.com", "ws://example.com/ws"],
    [
      "?username=username&password=password",
      "http://example.com",
      "ws://username:password@example.com/ws",
    ],
    [
      "?hostname=example.com&port=80",
      "http://example.com",
      "ws://example.com:80/ws",
    ],
    ["?port=0", "http://example.com:8080", "ws://example.com:8080/ws"],
    ["?port=80", "http://example.com:8080", "ws://example.com:80/ws"],
    ["?hostname=0.0.0.0", "http://127.0.0.1", "ws://127.0.0.1/ws"],
    ["?hostname=0.0.0.0", "http://192.168.0.1", "ws://192.168.0.1/ws"],
    ["?hostname=0.0.0.0", "https://192.168.0.1", "wss://192.168.0.1/ws"],
    ["?hostname=0.0.0.0", "https://example.com", "wss://example.com/ws"],
    [
      "?hostname=0.0.0.0",
      "http://example.com:8080",
      "ws://example.com:8080/ws",
    ],
    [
      "?hostname=0.0.0.0",
      "http://example.com:8080",
      "ws://example.com:8080/ws",
    ],
    [
      "?hostname=0.0.0.0",
      "https://example.com:8080",
      "wss://example.com:8080/ws",
    ],
    ["?hostname=::", "http://example.com:8080", "ws://example.com:8080/ws"],
    ["?hostname=[::]", "http://example.com:8080", "ws://example.com:8080/ws"],
    ["?hostname=[::]", "http://example.com:8080", "ws://example.com:8080/ws"],

    ["?hostname=%3A%3A", "http://example.com:8080", "ws://example.com:8080/ws"],
    ["?hostname=%3A%3A1", "http://example.com:8080", "ws://[::1]:8080/ws"],
    ["?hostname=%3A%3A1", "https://example.com:8080", "wss://[::1]:8080/ws"],
    [
      "?hostname=%3A%3A",
      "https://example.com:8080",
      "wss://example.com:8080/ws",
    ],
    [
      "?hostname=%3A%3A",
      "https://example.com:8080",
      "wss://example.com:8080/ws",
    ],
    [
      "?pathname=/custom-ws",
      "http://example.com",
      "ws://example.com/custom-ws",
    ],
    [
      "?protocol=wss:&username=user&password=password&hostname=localhost&port=8080&pathname=/ws",
      "http://user:password@localhost/",
      "wss://user:password@localhost:8080/ws",
    ],
    [null, "http://example.com", "ws://example.com/ws"],
    [null, "https://example.com", "wss://example.com/ws"],
    [null, "http://example.com:8080", "ws://example.com:8080/ws"],
    [null, "http://example.com/foo/bar", "ws://example.com/ws"],
    [
      null,
      "http://user:password@localhost/",
      "ws://user:password@localhost/ws",
    ],
    [null, "http://user@localhost:8080/", "ws://user@localhost:8080/ws"],
    [
      null,
      "http://user:password@localhost:8080/",
      "ws://user:password@localhost:8080/ws",
    ],
    [null, "https://localhost:8080", "wss://localhost:8080/ws"],
    [null, "http://127.0.0.1", "ws://127.0.0.1/ws"],
    [null, "http://127.0.0.1:8080", "ws://127.0.0.1:8080/ws"],
    [null, "https://127.0.0.1", "wss://127.0.0.1/ws"],
    [null, "http://[::1]:8080/ws", "ws://[::1]:8080/ws"],
    [null, "https://[::1]:8080/ws", "wss://[::1]:8080/ws"],
    [null, "file:///home/user/project/index.html", "ws://localhost/ws"],
    [null, "chrome-extension://localhost/", "ws://localhost/ws"],
    [null, "file://localhost/", "ws://localhost/ws"],
    [
      "?protocol=ws:&hostname=0.0.0.0&port=3000&pathname=/ws&logging=none&reconnect=10",
      "https://app.test.com",
      "wss://app.test.com/ws",
    ],
    [
      "?protocol=ws:&hostname=0.0.0.0&port=3000&pathname=/ws&logging=none&reconnect=10",
      "https://app.test.com:7777",
      "wss://app.test.com:7777/ws",
    ],
  ];

  samples.forEach(([__resourceQuery, location, expected]) => {
    jest.doMock(
      "../../../client-src/utils/getCurrentScriptSource",
      () => () => new URL("./entry.js", location).toString()
    );

    const createSocketURL =
      require("../../../client-src/utils/createSocketURL").default;
    const parseURL = require("../../../client-src/utils/parseURL").default;

    test(`should return '${expected}' socket URL when '__resourceQuery' is '${__resourceQuery}' and 'self.location' is '${location}'`, () => {
      const selfLocation = new URL(location);

      delete window.location;

      window.location = selfLocation;

      const parsedURL = parseURL(__resourceQuery);

      expect(createSocketURL(parsedURL)).toBe(expected);
    });

    jest.resetModules();
  });
});