test_accountMgrUniqueServerKey.js

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, you can obtain one at http://mozilla.org/MPL/2.0/. */

/**

 * Tests that the account manager does not reuse server keys within a session.

 * If the pref `mail.server.serverX.type` exists for a value of X, or it did

 * exist at some point since the start of the session, `serverX` must not be

 * returned by `getUniqueServerKey`.

*/

add_task(function () {

  const { createIncomingServer, getUniqueServerKey, removeIncomingServer } =

    MailServices.accounts;

  // Check we start with a sensible value.

  Assert.equal(getUniqueServerKey(), "server1");

  // Add some prefs and check the value of X rises with them.

  Services.prefs.setStringPref("mail.server.server1.type", "fake");

  Assert.equal(getUniqueServerKey(), "server2");

  Services.prefs.setStringPref("mail.server.server2.type", "fake");

  Assert.equal(getUniqueServerKey(), "server3");

  // Remove the prefs. `server1` and `server2` must not be reused.

  Services.prefs.clearUserPref("mail.server.server1.type");

  Assert.equal(getUniqueServerKey(), "server3");

  Services.prefs.clearUserPref("mail.server.server2.type");

  Assert.equal(getUniqueServerKey(), "server3");

  // Add a pref above the current value. It's acceptable to use values of X

  // below the highest value, as long as they haven't been seen before in this

  // session. There might be servers that existed but were removed in an

  // earlier session.

  Services.prefs.setStringPref("mail.server.server4.type", "fake");

  Assert.equal(getUniqueServerKey(), "server3");

  // Make sure we don't return `server4`.

  Services.prefs.setStringPref("mail.server.server3.type", "fake");

  Assert.equal(getUniqueServerKey(), "server5");

  // Now do the same things again but use actual incoming servers.

  const server5 = createIncomingServer("user5", "host5", "none");

  Assert.equal(server5.key, "server5");

  Assert.equal(getUniqueServerKey(), "server6");

  const server6 = createIncomingServer("user6", "host6", "none");

  Assert.equal(server6.key, "server6");

  Assert.equal(getUniqueServerKey(), "server7");

  removeIncomingServer(server5, false);

  Assert.equal(getUniqueServerKey(), "server7");

  removeIncomingServer(server6, false);

  Assert.equal(getUniqueServerKey(), "server7");

  // Check that creating a server, even if we immediately remove it, means the

  // key won't be used again.

  const server7 = createIncomingServer("user7", "host7", "none");

  removeIncomingServer(server7, false);

  Assert.equal(getUniqueServerKey(), "server8");

});