storage/test/unit/test_vacuum.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/storage/test/unit/test_vacuum.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,335 @@
     1.4 +/* Any copyright is dedicated to the Public Domain.
     1.5 + * http://creativecommons.org/publicdomain/zero/1.0/
     1.6 + */
     1.7 +
     1.8 +// This file tests the Vacuum Manager.
     1.9 +
    1.10 +Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
    1.11 +Components.utils.import("resource://gre/modules/Services.jsm");
    1.12 +
    1.13 +/**
    1.14 + * Loads a test component that will register as a vacuum-participant.
    1.15 + * If other participants are found they will be unregistered, to avoid conflicts
    1.16 + * with the test itself.
    1.17 + */
    1.18 +function load_test_vacuum_component()
    1.19 +{
    1.20 +  const CATEGORY_NAME = "vacuum-participant";
    1.21 +
    1.22 +  do_load_manifest("vacuumParticipant.manifest");
    1.23 +
    1.24 +  // This is a lazy check, there could be more participants than just this test
    1.25 +  // we just mind that the test exists though.
    1.26 +  const EXPECTED_ENTRIES = ["vacuumParticipant"];
    1.27 +  let catMan = Cc["@mozilla.org/categorymanager;1"].
    1.28 +               getService(Ci.nsICategoryManager);
    1.29 +  let found = false;
    1.30 +  let entries = catMan.enumerateCategory(CATEGORY_NAME);
    1.31 +  while (entries.hasMoreElements()) {
    1.32 +    let entry = entries.getNext().QueryInterface(Ci.nsISupportsCString).data;
    1.33 +    print("Check if the found category entry (" + entry + ") is expected.");
    1.34 +    if (EXPECTED_ENTRIES.indexOf(entry) != -1) {
    1.35 +      print("Check that only one test entry exists.");
    1.36 +      do_check_false(found);
    1.37 +      found = true;
    1.38 +    }
    1.39 +    else {
    1.40 +      // Temporary unregister other participants for this test.
    1.41 +      catMan.deleteCategoryEntry("vacuum-participant", entry, false);
    1.42 +    }
    1.43 +  }
    1.44 +  print("Check the test entry exists.");
    1.45 +  do_check_true(found);
    1.46 +}
    1.47 +
    1.48 +/**
    1.49 + * Sends a fake idle-daily notification to the VACUUM Manager.
    1.50 + */
    1.51 +function synthesize_idle_daily()
    1.52 +{
    1.53 +  let vm = Cc["@mozilla.org/storage/vacuum;1"].getService(Ci.nsIObserver);
    1.54 +  vm.observe(null, "idle-daily", null);
    1.55 +}
    1.56 +
    1.57 +/**
    1.58 + * Returns a new nsIFile reference for a profile database.
    1.59 + * @param filename for the database, excluded the .sqlite extension.
    1.60 + */
    1.61 +function new_db_file(name)
    1.62 +{
    1.63 +  let file = Services.dirsvc.get("ProfD", Ci.nsIFile);
    1.64 +  file.append(name + ".sqlite");
    1.65 +  return file;
    1.66 +}
    1.67 +
    1.68 +function run_test()
    1.69 +{
    1.70 +  do_test_pending();
    1.71 +
    1.72 +  // Change initial page size.  Do it immediately since it would require an
    1.73 +  // additional vacuum op to do it later.  As a bonus this makes the page size
    1.74 +  // change test really fast since it only has to check results.
    1.75 +  let conn = getDatabase(new_db_file("testVacuum"));
    1.76 +  conn.executeSimpleSQL("PRAGMA page_size = 1024");
    1.77 +  print("Check current page size.");
    1.78 +  let stmt = conn.createStatement("PRAGMA page_size");
    1.79 +  try {
    1.80 +    while (stmt.executeStep()) {
    1.81 +      do_check_eq(stmt.row.page_size, 1024);
    1.82 +    }
    1.83 +  }
    1.84 +  finally {
    1.85 +    stmt.finalize();
    1.86 +  }
    1.87 +
    1.88 +  load_test_vacuum_component();
    1.89 +
    1.90 +  run_next_test();
    1.91 +}
    1.92 +
    1.93 +function run_next_test()
    1.94 +{
    1.95 +  if (TESTS.length == 0) {
    1.96 +    Services.obs.notifyObservers(null, "test-options", "dispose");
    1.97 +    do_test_finished();
    1.98 +  }
    1.99 +  else {
   1.100 +    // Set last VACUUM to a date in the past.
   1.101 +    Services.prefs.setIntPref("storage.vacuum.last.testVacuum.sqlite",
   1.102 +                              parseInt(Date.now() / 1000 - 31 * 86400));
   1.103 +    do_execute_soon(TESTS.shift());
   1.104 +  }
   1.105 +}
   1.106 +
   1.107 +const TESTS = [
   1.108 +
   1.109 +function test_common_vacuum()
   1.110 +{
   1.111 +  print("\n*** Test that a VACUUM correctly happens and all notifications are fired.");
   1.112 +  // Wait for VACUUM begin.
   1.113 +  let beginVacuumReceived = false;
   1.114 +  Services.obs.addObserver(function onVacuum(aSubject, aTopic, aData) {
   1.115 +    Services.obs.removeObserver(onVacuum, aTopic);
   1.116 +    beginVacuumReceived = true;
   1.117 +  }, "test-begin-vacuum", false);
   1.118 +
   1.119 +  // Wait for heavy IO notifications.
   1.120 +  let heavyIOTaskBeginReceived = false;
   1.121 +  let heavyIOTaskEndReceived = false;
   1.122 +  Services.obs.addObserver(function onVacuum(aSubject, aTopic, aData) {
   1.123 +    if (heavyIOTaskBeginReceived && heavyIOTaskEndReceived) {
   1.124 +      Services.obs.removeObserver(onVacuum, aTopic);
   1.125 +    }
   1.126 +
   1.127 +    if (aData == "vacuum-begin") {
   1.128 +      heavyIOTaskBeginReceived = true;
   1.129 +    }
   1.130 +    else if (aData == "vacuum-end") {
   1.131 +      heavyIOTaskEndReceived = true;
   1.132 +    }
   1.133 +  }, "heavy-io-task", false);
   1.134 +
   1.135 +  // Wait for VACUUM end.
   1.136 +  Services.obs.addObserver(function onVacuum(aSubject, aTopic, aData) {
   1.137 +    Services.obs.removeObserver(onVacuum, aTopic);
   1.138 +    print("Check we received onBeginVacuum");
   1.139 +    do_check_true(beginVacuumReceived);
   1.140 +    print("Check we received heavy-io-task notifications");
   1.141 +    do_check_true(heavyIOTaskBeginReceived);
   1.142 +    do_check_true(heavyIOTaskEndReceived);
   1.143 +    print("Received onEndVacuum");
   1.144 +    run_next_test();
   1.145 +  }, "test-end-vacuum", false);
   1.146 +
   1.147 +  synthesize_idle_daily();
   1.148 +},
   1.149 +
   1.150 +function test_skipped_if_recent_vacuum()
   1.151 +{
   1.152 +  print("\n*** Test that a VACUUM is skipped if it was run recently.");
   1.153 +  Services.prefs.setIntPref("storage.vacuum.last.testVacuum.sqlite",
   1.154 +                            parseInt(Date.now() / 1000));
   1.155 +
   1.156 +  // Wait for VACUUM begin.
   1.157 +  let vacuumObserver = {
   1.158 +    gotNotification: false,
   1.159 +    observe: function VO_observe(aSubject, aTopic, aData) {
   1.160 +      this.gotNotification = true;
   1.161 +    },
   1.162 +    QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
   1.163 +  }
   1.164 +  Services.obs.addObserver(vacuumObserver, "test-begin-vacuum", false);
   1.165 +
   1.166 +  // Check after a couple seconds that no VACUUM has been run.
   1.167 +  do_timeout(2000, function () {
   1.168 +    print("Check VACUUM did not run.");
   1.169 +    do_check_false(vacuumObserver.gotNotification);
   1.170 +    Services.obs.removeObserver(vacuumObserver, "test-begin-vacuum");
   1.171 +    run_next_test();
   1.172 +  });
   1.173 +
   1.174 +  synthesize_idle_daily();
   1.175 +},
   1.176 +
   1.177 +function test_page_size_change()
   1.178 +{
   1.179 +  print("\n*** Test that a VACUUM changes page_size");
   1.180 +
   1.181 +  // We did setup the database with a small page size, the previous vacuum
   1.182 +  // should have updated it.
   1.183 +  print("Check that page size was updated.");
   1.184 +  let conn = getDatabase(new_db_file("testVacuum"));
   1.185 +  let stmt = conn.createStatement("PRAGMA page_size");
   1.186 +  try {
   1.187 +    while (stmt.executeStep()) {
   1.188 +      do_check_eq(stmt.row.page_size,  conn.defaultPageSize);
   1.189 +    }
   1.190 +  }
   1.191 +  finally {
   1.192 +    stmt.finalize();
   1.193 +  }
   1.194 +
   1.195 +  run_next_test();
   1.196 +},
   1.197 +
   1.198 +function test_skipped_optout_vacuum()
   1.199 +{
   1.200 +  print("\n*** Test that a VACUUM is skipped if the participant wants to opt-out.");
   1.201 +  Services.obs.notifyObservers(null, "test-options", "opt-out");
   1.202 +
   1.203 +  // Wait for VACUUM begin.
   1.204 +  let vacuumObserver = {
   1.205 +    gotNotification: false,
   1.206 +    observe: function VO_observe(aSubject, aTopic, aData) {
   1.207 +      this.gotNotification = true;
   1.208 +    },
   1.209 +    QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
   1.210 +  }
   1.211 +  Services.obs.addObserver(vacuumObserver, "test-begin-vacuum", false);
   1.212 +
   1.213 +  // Check after a couple seconds that no VACUUM has been run.
   1.214 +  do_timeout(2000, function () {
   1.215 +    print("Check VACUUM did not run.");
   1.216 +    do_check_false(vacuumObserver.gotNotification);
   1.217 +    Services.obs.removeObserver(vacuumObserver, "test-begin-vacuum");
   1.218 +    run_next_test();
   1.219 +  });
   1.220 +
   1.221 +  synthesize_idle_daily();
   1.222 +},
   1.223 +
   1.224 +/* Changing page size on WAL is not supported till Bug 634374 is properly fixed.
   1.225 +function test_page_size_change_with_wal()
   1.226 +{
   1.227 +  print("\n*** Test that a VACUUM changes page_size with WAL mode");
   1.228 +  Services.obs.notifyObservers(null, "test-options", "wal");
   1.229 +
   1.230 +  // Set a small page size.
   1.231 +  let conn = getDatabase(new_db_file("testVacuum2"));
   1.232 +  conn.executeSimpleSQL("PRAGMA page_size = 1024");
   1.233 +  let stmt = conn.createStatement("PRAGMA page_size");
   1.234 +  try {
   1.235 +    while (stmt.executeStep()) {
   1.236 +      do_check_eq(stmt.row.page_size, 1024);
   1.237 +    }
   1.238 +  }
   1.239 +  finally {
   1.240 +    stmt.finalize();
   1.241 +  }
   1.242 +
   1.243 +  // Use WAL journal mode.
   1.244 +  conn.executeSimpleSQL("PRAGMA journal_mode = WAL");
   1.245 +  stmt = conn.createStatement("PRAGMA journal_mode");
   1.246 +  try {
   1.247 +    while (stmt.executeStep()) {
   1.248 +      do_check_eq(stmt.row.journal_mode, "wal");
   1.249 +    }
   1.250 +  }
   1.251 +  finally {
   1.252 +    stmt.finalize();
   1.253 +  }
   1.254 +
   1.255 +  // Wait for VACUUM end.
   1.256 +  let vacuumObserver = {
   1.257 +    observe: function VO_observe(aSubject, aTopic, aData) {
   1.258 +      Services.obs.removeObserver(this, aTopic);
   1.259 +      print("Check page size has been updated.");
   1.260 +      let stmt = conn.createStatement("PRAGMA page_size");
   1.261 +      try {
   1.262 +        while (stmt.executeStep()) {
   1.263 +          do_check_eq(stmt.row.page_size, Ci.mozIStorageConnection.DEFAULT_PAGE_SIZE);
   1.264 +        }
   1.265 +      }
   1.266 +      finally {
   1.267 +        stmt.finalize();
   1.268 +      }
   1.269 +
   1.270 +      print("Check journal mode has been restored.");
   1.271 +      stmt = conn.createStatement("PRAGMA journal_mode");
   1.272 +      try {
   1.273 +        while (stmt.executeStep()) {
   1.274 +          do_check_eq(stmt.row.journal_mode, "wal");
   1.275 +        }
   1.276 +      }
   1.277 +      finally {
   1.278 +        stmt.finalize();
   1.279 +      }
   1.280 +
   1.281 +      run_next_test();
   1.282 +    },
   1.283 +    QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
   1.284 +  }
   1.285 +  Services.obs.addObserver(vacuumObserver, "test-end-vacuum", false);
   1.286 +
   1.287 +  synthesize_idle_daily();
   1.288 +},
   1.289 +*/
   1.290 +
   1.291 +function test_memory_database_crash()
   1.292 +{
   1.293 +  print("\n*** Test that we don't crash trying to vacuum a memory database");
   1.294 +  Services.obs.notifyObservers(null, "test-options", "memory");
   1.295 +
   1.296 +  // Wait for VACUUM begin.
   1.297 +  let vacuumObserver = {
   1.298 +    gotNotification: false,
   1.299 +    observe: function VO_observe(aSubject, aTopic, aData) {
   1.300 +      this.gotNotification = true;
   1.301 +    },
   1.302 +    QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
   1.303 +  }
   1.304 +  Services.obs.addObserver(vacuumObserver, "test-begin-vacuum", false);
   1.305 +
   1.306 +  // Check after a couple seconds that no VACUUM has been run.
   1.307 +  do_timeout(2000, function () {
   1.308 +    print("Check VACUUM did not run.");
   1.309 +    do_check_false(vacuumObserver.gotNotification);
   1.310 +    Services.obs.removeObserver(vacuumObserver, "test-begin-vacuum");
   1.311 +    run_next_test();
   1.312 +  });
   1.313 +
   1.314 +  synthesize_idle_daily();
   1.315 +},
   1.316 +
   1.317 +/* Changing page size on WAL is not supported till Bug 634374 is properly fixed.
   1.318 +function test_wal_restore_fail()
   1.319 +{
   1.320 +  print("\n*** Test that a failing WAL restoration notifies failure");
   1.321 +  Services.obs.notifyObservers(null, "test-options", "wal-fail");
   1.322 +
   1.323 +  // Wait for VACUUM end.
   1.324 +  let vacuumObserver = {
   1.325 +    observe: function VO_observe(aSubject, aTopic, aData) {
   1.326 +      Services.obs.removeObserver(vacuumObserver, "test-end-vacuum");
   1.327 +      print("Check WAL restoration failed.");
   1.328 +      do_check_false(aData);
   1.329 +      run_next_test();
   1.330 +    },
   1.331 +    QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
   1.332 +  }
   1.333 +  Services.obs.addObserver(vacuumObserver, "test-end-vacuum", false);
   1.334 +
   1.335 +  synthesize_idle_daily();
   1.336 +},
   1.337 +*/
   1.338 +];

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