marFailurePartialStaleBackup.js

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/* Any copyright is dedicated to the Public Domain.

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

*/

/* Partial MAR file patch apply failure test with a stale backup file */

/**

 * A backup that a previous updater instance would have left behind if it had

 * died before discarding it. 0/00/00png0.png comes after 0/0exe0.exe in the

 * partial MAR, so the update fails before it reaches that file.

*/

const STALE_BACKUP_REL_PATH = DIR_RESOURCES + "0/00/00png0.png.moz-backup";

const STALE_BACKUP_CONTENTS = "LeftBehindByAPreviousUpdaterRun\n";

async function run_test() {

  if (!setupTestCommon()) {

    return;

  gTestFiles = gTestFilesPartialSuccess;

  getTestFileByName("0exe0.exe").originalFile = "partial.png";

  gTestDirs = gTestDirsPartialSuccess;

  setTestFilesAndDirsForFailure();

  await setupUpdaterTest(FILE_PARTIAL_MAR, false);

  let staleBackup = getApplyDirFile(STALE_BACKUP_REL_PATH);

  writeFile(staleBackup, STALE_BACKUP_CONTENTS);

  // If execv is used the updater process will turn into the callback process

  // and the updater's return code will be that of the callback process.

  runUpdate(

    STATE_FAILED_LOADSOURCE_ERROR_WRONG_SIZE,

    false,

    USE_EXECV ? 0 : 1,

    true

);

  checkAppBundleModTime();

  checkNoUpdateTelemetry();

  await testPostUpdateProcessing();

  checkPostUpdateRunningFile(false);

  Assert.ok(

    staleBackup.exists(),

    MSG_SHOULD_EXIST + getMsgPath(staleBackup.path)

);

  Assert.equal(

    readFileBytes(staleBackup),

    STALE_BACKUP_CONTENTS,

    "the stale backup contents" + MSG_SHOULD_EQUAL

);

  checkUpdateLogContains(

    "backup_restore: not restoring a backup that this action did not create: " +

      STALE_BACKUP_REL_PATH

);

  // The check for temporary files that checkFilesAfterUpdateFailure performs

  // would find the stale backup, which the updater leaves in place on purpose.

  staleBackup.remove(false);

  checkFilesAfterUpdateFailure(getApplyDirFile);

  await waitForUpdateXMLFiles();

  await checkUpdateManager(

    STATE_NONE,

    false,

    STATE_FAILED,

    LOADSOURCE_ERROR_WRONG_SIZE,

);

  checkCallbackLog();