test_current_from_downgraded.js

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/* Any copyright is dedicated to the Public Domain.

   http://creativecommons.org/publicdomain/zero/1.0/ */

// This test ensures we can pass twice through migration methods without

// failing, that is what happens in case of a downgrade followed by an upgrade.

add_task(async function setup() {

  let dbFile = PathUtils.join(

    do_get_cwd().path,

    `places_v${CURRENT_SCHEMA_VERSION}.sqlite`

);

  Assert.ok(await IOUtils.exists(dbFile));

  await setupPlacesDatabase(`places_v${CURRENT_SCHEMA_VERSION}.sqlite`);

  // Downgrade the schema version to the first supported one.

  let path = PathUtils.join(PathUtils.profileDir, DB_FILENAME);

  let db = await Sqlite.openConnection({ path });

  await db.setSchemaVersion(FIRST_UPGRADABLE_SCHEMA_VERSION);

  await db.close();

});

add_task(async function database_is_valid() {

  Assert.equal(

    PlacesUtils.history.databaseStatus,

    PlacesUtils.history.DATABASE_STATUS_UPGRADED

);

  let db = await PlacesUtils.promiseDBConnection();

  Assert.equal(await db.getSchemaVersion(), CURRENT_SCHEMA_VERSION);

});