gecko-dev/extensions/cookie/test/unit/test_schema_3_migration.js

/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

// Test cookie database migration from version 3 (prerelease Gecko 2.0) to the
// current version, presently 4 (Gecko 2.0).

let test_generator = do_run_test();

function run_test() {
  do_test_pending();
  test_generator.next();
}

function finish_test() {
  do_execute_soon(function() {
    test_generator.close();
    do_test_finished();
  });
}

function do_run_test() {
  // Set up a profile.
  let profile = do_get_profile();

  // Create a schema 3 database.
  let schema3db = new CookieDatabaseConnection(do_get_cookie_file(profile), 3);

  let now = Date.now() * 1000;
  let futureExpiry = Math.round(now / 1e6 + 1000);
  let pastExpiry = Math.round(now / 1e6 - 1000);

  // Populate it, with:
  // 1) Unexpired, unique cookies.
  for (let i = 0; i < 20; ++i) {
    let cookie = new Cookie("oh" + i, "hai", "foo.com", "/",
                            futureExpiry, now, now + i, false, false, false);

    schema3db.insertCookie(cookie);
  }

  // 2) Expired, unique cookies.
  for (let i = 20; i < 40; ++i) {
    let cookie = new Cookie("oh" + i, "hai", "bar.com", "/",
                            pastExpiry, now, now + i, false, false, false);

    schema3db.insertCookie(cookie);
  }

  // 3) Many copies of the same cookie, some of which have expired and
  // some of which have not.
  for (let i = 40; i < 45; ++i) {
    let cookie = new Cookie("oh", "hai", "baz.com", "/",
                            futureExpiry + i, now, now + i, false, false, false);

    schema3db.insertCookie(cookie);
  }
  for (let i = 45; i < 50; ++i) {
    let cookie = new Cookie("oh", "hai", "baz.com", "/",
                            pastExpiry - i, now, now + i, false, false, false);

    schema3db.insertCookie(cookie);
  }
  for (let i = 50; i < 55; ++i) {
    let cookie = new Cookie("oh", "hai", "baz.com", "/",
                            futureExpiry - i, now, now + i, false, false, false);

    schema3db.insertCookie(cookie);
  }
  for (let i = 55; i < 60; ++i) {
    let cookie = new Cookie("oh", "hai", "baz.com", "/",
                            pastExpiry + i, now, now + i, false, false, false);

    schema3db.insertCookie(cookie);
  }

  // Close it.
  schema3db.close();
  schema3db = null;

  // Load the database, forcing migration to the current schema version. Then
  // test the expected set of cookies:
  // 1) All unexpired, unique cookies exist.
  do_check_eq(Services.cookiemgr.countCookiesFromHost("foo.com"), 20);

  // 2) All expired, unique cookies exist.
  do_check_eq(Services.cookiemgr.countCookiesFromHost("bar.com"), 20);

  // 3) Only one cookie remains, and it's the one with the highest expiration
  // time.
  do_check_eq(Services.cookiemgr.countCookiesFromHost("baz.com"), 1);
  let enumerator = Services.cookiemgr.getCookiesFromHost("baz.com");
  let cookie = enumerator.getNext().QueryInterface(Ci.nsICookie2);
  do_check_eq(cookie.expiry, futureExpiry + 44);

  do_close_profile(test_generator);
  yield;

  // Open the database so we can execute some more schema 3 statements on it.
  schema3db = new CookieDatabaseConnection(do_get_cookie_file(profile), 3);

  // Populate it with more cookies.
  for (let i = 60; i < 80; ++i) {
    let cookie = new Cookie("oh" + i, "hai", "cat.com", "/",
                            futureExpiry, now, now + i, false, false, false);

    schema3db.insertCookie(cookie);
  }

  // Close it.
  schema3db.close();
  schema3db = null;

  // Load the database. The cookies added immediately prior will have a NULL
  // creationTime column.
  do_load_profile();

  // Test the expected set of cookies.
  do_check_eq(Services.cookiemgr.countCookiesFromHost("cat.com"), 20);
  let enumerator = Services.cookiemgr.getCookiesFromHost("cat.com");
  let cookie = enumerator.getNext().QueryInterface(Ci.nsICookie2);
  do_check_eq(cookie.creationTime, 0);

  finish_test();
}