The Tor Browser: storage/test/unit/test_vacuum.js@6474c204b198 (annotated)

storage/test/unit/test_vacuum.js@6474c204b198 (annotated)

storage/test/unit/test_vacuum.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 // This file tests the Vacuum Manager.
 Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
 Components.utils.import("resource://gre/modules/Services.jsm");
 /**
  * Loads a test component that will register as a vacuum-participant.
  * If other participants are found they will be unregistered, to avoid conflicts
  * with the test itself.
  */
 function load_test_vacuum_component()
 {
   const CATEGORY_NAME = "vacuum-participant";
   do_load_manifest("vacuumParticipant.manifest");
   // This is a lazy check, there could be more participants than just this test
   // we just mind that the test exists though.
   const EXPECTED_ENTRIES = ["vacuumParticipant"];
   let catMan = Cc["@mozilla.org/categorymanager;1"].
                getService(Ci.nsICategoryManager);
   let found = false;
   let entries = catMan.enumerateCategory(CATEGORY_NAME);
   while (entries.hasMoreElements()) {
     let entry = entries.getNext().QueryInterface(Ci.nsISupportsCString).data;
     print("Check if the found category entry (" + entry + ") is expected.");
     if (EXPECTED_ENTRIES.indexOf(entry) != -1) {
       print("Check that only one test entry exists.");
       do_check_false(found);
       found = true;
     }
     else {
       // Temporary unregister other participants for this test.
       catMan.deleteCategoryEntry("vacuum-participant", entry, false);
     }
   }
   print("Check the test entry exists.");
   do_check_true(found);
 }
 /**
  * Sends a fake idle-daily notification to the VACUUM Manager.
  */
 function synthesize_idle_daily()
 {
   let vm = Cc["@mozilla.org/storage/vacuum;1"].getService(Ci.nsIObserver);
   vm.observe(null, "idle-daily", null);
 }
 /**
  * Returns a new nsIFile reference for a profile database.
  * @param filename for the database, excluded the .sqlite extension.
  */
 function new_db_file(name)
 {
   let file = Services.dirsvc.get("ProfD", Ci.nsIFile);
   file.append(name + ".sqlite");
   return file;
 }
 function run_test()
 {
   do_test_pending();
   // Change initial page size.  Do it immediately since it would require an
   // additional vacuum op to do it later.  As a bonus this makes the page size
   // change test really fast since it only has to check results.
   let conn = getDatabase(new_db_file("testVacuum"));
   conn.executeSimpleSQL("PRAGMA page_size = 1024");
   print("Check current page size.");
   let stmt = conn.createStatement("PRAGMA page_size");
   try {
     while (stmt.executeStep()) {
       do_check_eq(stmt.row.page_size, 1024);
     }
   }
   finally {
     stmt.finalize();
   }
   load_test_vacuum_component();
   run_next_test();
 }
 function run_next_test()
 {
   if (TESTS.length == 0) {
     Services.obs.notifyObservers(null, "test-options", "dispose");
     do_test_finished();
   }
   else {
     // Set last VACUUM to a date in the past.
     Services.prefs.setIntPref("storage.vacuum.last.testVacuum.sqlite",
                               parseInt(Date.now() / 1000 - 31 * 86400));
     do_execute_soon(TESTS.shift());
   }
 }
 const TESTS = [
 function test_common_vacuum()
 {
   print("\n*** Test that a VACUUM correctly happens and all notifications are fired.");
   // Wait for VACUUM begin.
   let beginVacuumReceived = false;
   Services.obs.addObserver(function onVacuum(aSubject, aTopic, aData) {
     Services.obs.removeObserver(onVacuum, aTopic);
     beginVacuumReceived = true;
   }, "test-begin-vacuum", false);
   // Wait for heavy IO notifications.
   let heavyIOTaskBeginReceived = false;
   let heavyIOTaskEndReceived = false;
   Services.obs.addObserver(function onVacuum(aSubject, aTopic, aData) {
     if (heavyIOTaskBeginReceived && heavyIOTaskEndReceived) {
       Services.obs.removeObserver(onVacuum, aTopic);
     }
     if (aData == "vacuum-begin") {
       heavyIOTaskBeginReceived = true;
     }
     else if (aData == "vacuum-end") {
       heavyIOTaskEndReceived = true;
     }
   }, "heavy-io-task", false);
   // Wait for VACUUM end.
   Services.obs.addObserver(function onVacuum(aSubject, aTopic, aData) {
     Services.obs.removeObserver(onVacuum, aTopic);
     print("Check we received onBeginVacuum");
     do_check_true(beginVacuumReceived);
     print("Check we received heavy-io-task notifications");
     do_check_true(heavyIOTaskBeginReceived);
     do_check_true(heavyIOTaskEndReceived);
     print("Received onEndVacuum");
     run_next_test();
   }, "test-end-vacuum", false);
   synthesize_idle_daily();
 },
 function test_skipped_if_recent_vacuum()
 {
   print("\n*** Test that a VACUUM is skipped if it was run recently.");
   Services.prefs.setIntPref("storage.vacuum.last.testVacuum.sqlite",
                             parseInt(Date.now() / 1000));
   // Wait for VACUUM begin.
   let vacuumObserver = {
     gotNotification: false,
     observe: function VO_observe(aSubject, aTopic, aData) {
       this.gotNotification = true;
     },
     QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
   }
   Services.obs.addObserver(vacuumObserver, "test-begin-vacuum", false);
   // Check after a couple seconds that no VACUUM has been run.
   do_timeout(2000, function () {
     print("Check VACUUM did not run.");
     do_check_false(vacuumObserver.gotNotification);
     Services.obs.removeObserver(vacuumObserver, "test-begin-vacuum");
     run_next_test();
   });
   synthesize_idle_daily();
 },
 function test_page_size_change()
 {
   print("\n*** Test that a VACUUM changes page_size");
   // We did setup the database with a small page size, the previous vacuum
   // should have updated it.
   print("Check that page size was updated.");
   let conn = getDatabase(new_db_file("testVacuum"));
   let stmt = conn.createStatement("PRAGMA page_size");
   try {
     while (stmt.executeStep()) {
       do_check_eq(stmt.row.page_size,  conn.defaultPageSize);
     }
   }
   finally {
     stmt.finalize();
   }
   run_next_test();
 },
 function test_skipped_optout_vacuum()
 {
   print("\n*** Test that a VACUUM is skipped if the participant wants to opt-out.");
   Services.obs.notifyObservers(null, "test-options", "opt-out");
   // Wait for VACUUM begin.
   let vacuumObserver = {
     gotNotification: false,
     observe: function VO_observe(aSubject, aTopic, aData) {
       this.gotNotification = true;
     },
     QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
   }
   Services.obs.addObserver(vacuumObserver, "test-begin-vacuum", false);
   // Check after a couple seconds that no VACUUM has been run.
   do_timeout(2000, function () {
     print("Check VACUUM did not run.");
     do_check_false(vacuumObserver.gotNotification);
     Services.obs.removeObserver(vacuumObserver, "test-begin-vacuum");
     run_next_test();
   });
   synthesize_idle_daily();
 },
 /* Changing page size on WAL is not supported till Bug 634374 is properly fixed.
 function test_page_size_change_with_wal()
 {
   print("\n*** Test that a VACUUM changes page_size with WAL mode");
   Services.obs.notifyObservers(null, "test-options", "wal");
   // Set a small page size.
   let conn = getDatabase(new_db_file("testVacuum2"));
   conn.executeSimpleSQL("PRAGMA page_size = 1024");
   let stmt = conn.createStatement("PRAGMA page_size");
   try {
     while (stmt.executeStep()) {
       do_check_eq(stmt.row.page_size, 1024);
     }
   }
   finally {
     stmt.finalize();
   }
   // Use WAL journal mode.
   conn.executeSimpleSQL("PRAGMA journal_mode = WAL");
   stmt = conn.createStatement("PRAGMA journal_mode");
   try {
     while (stmt.executeStep()) {
       do_check_eq(stmt.row.journal_mode, "wal");
     }
   }
   finally {
     stmt.finalize();
   }
   // Wait for VACUUM end.
   let vacuumObserver = {
     observe: function VO_observe(aSubject, aTopic, aData) {
       Services.obs.removeObserver(this, aTopic);
       print("Check page size has been updated.");
       let stmt = conn.createStatement("PRAGMA page_size");
       try {
         while (stmt.executeStep()) {
           do_check_eq(stmt.row.page_size, Ci.mozIStorageConnection.DEFAULT_PAGE_SIZE);
         }
       }
       finally {
         stmt.finalize();
       }
       print("Check journal mode has been restored.");
       stmt = conn.createStatement("PRAGMA journal_mode");
       try {
         while (stmt.executeStep()) {
           do_check_eq(stmt.row.journal_mode, "wal");
         }
       }
       finally {
         stmt.finalize();
       }
       run_next_test();
     },
     QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
   }
   Services.obs.addObserver(vacuumObserver, "test-end-vacuum", false);
   synthesize_idle_daily();
 },
 */
 function test_memory_database_crash()
 {
   print("\n*** Test that we don't crash trying to vacuum a memory database");
   Services.obs.notifyObservers(null, "test-options", "memory");
   // Wait for VACUUM begin.
   let vacuumObserver = {
     gotNotification: false,
     observe: function VO_observe(aSubject, aTopic, aData) {
       this.gotNotification = true;
     },
     QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
   }
   Services.obs.addObserver(vacuumObserver, "test-begin-vacuum", false);
   // Check after a couple seconds that no VACUUM has been run.
   do_timeout(2000, function () {
     print("Check VACUUM did not run.");
     do_check_false(vacuumObserver.gotNotification);
     Services.obs.removeObserver(vacuumObserver, "test-begin-vacuum");
     run_next_test();
   });
   synthesize_idle_daily();
 },
 /* Changing page size on WAL is not supported till Bug 634374 is properly fixed.
 function test_wal_restore_fail()
 {
   print("\n*** Test that a failing WAL restoration notifies failure");
   Services.obs.notifyObservers(null, "test-options", "wal-fail");
   // Wait for VACUUM end.
   let vacuumObserver = {
     observe: function VO_observe(aSubject, aTopic, aData) {
       Services.obs.removeObserver(vacuumObserver, "test-end-vacuum");
       print("Check WAL restoration failed.");
       do_check_false(aData);
       run_next_test();
     },
     QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
   }
   Services.obs.addObserver(vacuumObserver, "test-end-vacuum", false);
   synthesize_idle_daily();
 },
 */
 ];