/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

/* General Update Timer Manager Tests */

'use strict';

const { classes: Cc, interfaces: Ci, manager: Cm, results: Cr,
        utils: Cu } = Components;

Cu.import("resource://gre/modules/XPCOMUtils.jsm");

const CATEGORY_UPDATE_TIMER = "update-timer";

const PREF_APP_UPDATE_TIMERMINIMUMDELAY = "app.update.timerMinimumDelay";
const PREF_APP_UPDATE_TIMERFIRSTINTERVAL = "app.update.timerFirstInterval";
const PREF_APP_UPDATE_LOG_ALL = "app.update.log.all";
const PREF_BRANCH_LAST_UPDATE_TIME = "app.update.lastUpdateTime.";

const MAIN_TIMER_INTERVAL = 1000;  // milliseconds
const CONSUMER_TIMER_INTERVAL = 1; // seconds

const TESTS = [ {
  desc: "Test Timer Callback 0",
  timerID: "test0-update-timer",
  defaultInterval: "bogus",
  prefInterval: "test0.timer.interval",
  contractID: "@mozilla.org/test0/timercallback;1",
  method: "createInstance",
  classID: Components.ID("9c7ce81f-98bb-4729-adb4-4d0deb0f59e5"),
  notified: false
}, {
  desc: "Test Timer Callback 1",
  timerID: "test1-update-timer",
  defaultInterval: 86400,
  prefInterval: "test1.timer.interval",
  contractID: "@mozilla.org/test2/timercallback;1",
  method: "createInstance",
  classID: Components.ID("512834f3-05bb-46be-84e0-81d881a140b7"),
  notified: false
}, {
  desc: "Test Timer Callback 2",
  timerID: "test2-update-timer",
  defaultInterval: CONSUMER_TIMER_INTERVAL,
  prefInterval: "test2.timer.interval",
  contractID: "@mozilla.org/test2/timercallback;1",
  method: "createInstance",
  classID: Components.ID("c8ac5027-8d11-4471-9d7c-fd692501b437"),
  notified: false
}, {
  desc: "Test Timer Callback 3",
  timerID: "test3-update-timer",
  defaultInterval: CONSUMER_TIMER_INTERVAL,
  prefInterval: "test3.timer.interval",
  contractID: "@mozilla.org/test3/timercallback;1",
  method: "createInstance",
  classID: Components.ID("6b0e79f3-4ab8-414c-8f14-dde10e185727"),
  notified: false
}, {
  desc: "Test Timer Callback 4",
  timerID: "test4-update-timer",
  defaultInterval: CONSUMER_TIMER_INTERVAL,
  prefInterval: "test4.timer.interval",
  contractID: "@mozilla.org/test4/timercallback;1",
  method: "createInstance",
  classID: Components.ID("2f6b7b92-e40f-4874-bfbb-eeb2412c959d"),
  notified: false
}, {
  desc: "Test Timer Callback 5",
  timerID: "test5-update-timer",
  defaultInterval: 86400,
  prefInterval: "test5.timer.interval",
  contractID: "@mozilla.org/test5/timercallback;1",
  method: "createInstance",
  classID: Components.ID("8a95f611-b2ac-4c7e-8b73-9748c4839731"),
  notified: false
}, {
  desc: "Test Timer Callback 6",
  timerID: "test6-update-timer",
  defaultInterval: CONSUMER_TIMER_INTERVAL,
  prefInterval: "test6.timer.interval",
  contractID: "@mozilla.org/test6/timercallback;1",
  method: "createInstance",
  classID: Components.ID("2d091020-e23c-11e2-a28f-0800200c9a66"),
  notified: false
}, {
  desc: "Test Timer Callback 7",
  timerID: "test7-update-timer",
  defaultInterval: 86400,
  maxInterval: CONSUMER_TIMER_INTERVAL,
  prefInterval: "test7.timer.interval",
  contractID: "@mozilla.org/test7/timercallback;1",
  method: "createInstance",
  classID: Components.ID("8e8633ae-1d70-4a7a-8bea-6e1e6c5d7742"),
  notified: false
}, {
  desc: "Test Timer Callback 8",
  timerID: "test8-update-timer",
  defaultInterval: CONSUMER_TIMER_INTERVAL,
  contractID: "@mozilla.org/test8/timercallback;1",
  classID: Components.ID("af878d4b-1d12-41f6-9a90-4e687367ecc1"),
  notified: false,
  lastUpdateTime: 0
}, {
  desc: "Test Timer Callback 9",
  timerID: "test9-update-timer",
  defaultInterval: CONSUMER_TIMER_INTERVAL,
  contractID: "@mozilla.org/test9/timercallback;1",
  classID: Components.ID("5136b201-d64c-4328-8cf1-1a63491cc117"),
  notified: false,
  lastUpdateTime: 0
} ];

var gUTM;
var gNextFunc;

XPCOMUtils.defineLazyServiceGetter(this, "gPref",
                                   "@mozilla.org/preferences-service;1",
                                   "nsIPrefBranch");

XPCOMUtils.defineLazyServiceGetter(this, "gCatMan",
                                   "@mozilla.org/categorymanager;1",
                                   "nsICategoryManager");

XPCOMUtils.defineLazyGetter(this, "gCompReg", function () {
  return Cm.QueryInterface(Ci.nsIComponentRegistrar);
});

const gTest0TimerCallback = {
  notify: function T0CB_notify(aTimer) {
    // This can happen when another notification fails and this timer having
    // time to fire so check other timers are successful.
    do_throw("gTest0TimerCallback notify method should not have been called");
  },
  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
};

const gTest0Factory = {
  createInstance: function T0F_createInstance(aOuter, aIID) {
    if (aOuter == null) {
      return gTest0TimerCallback.QueryInterface(aIID);
    }
    throw Cr.NS_ERROR_NO_AGGREGATION;
  }
};

const gTest1TimerCallback = {
  notify: function T1CB_notify(aTimer) {
    // This can happen when another notification fails and this timer having
    // time to fire so check other timers are successful.
    do_throw("gTest1TimerCallback notify method should not have been called");
  },
  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimer])
};

const gTest1Factory = {
  createInstance: function T1F_createInstance(aOuter, aIID) {
    if (aOuter == null) {
      return gTest1TimerCallback.QueryInterface(aIID);
    }
    throw Cr.NS_ERROR_NO_AGGREGATION;
  }
};

const gTest2TimerCallback = {
  notify: function T2CB_notify(aTimer) {
    // This can happen when another notification fails and this timer having
    // time to fire so check other timers are successful.
    do_throw("gTest2TimerCallback notify method should not have been called");
  },
  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
};

const gTest2Factory = {
  createInstance: function T2F_createInstance(aOuter, aIID) {
    if (aOuter == null) {
      return gTest2TimerCallback.QueryInterface(aIID);
    }
    throw Cr.NS_ERROR_NO_AGGREGATION;
  }
};

const gTest3TimerCallback = {
  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
};

const gTest3Factory = {
  createInstance: function T3F_createInstance(aOuter, aIID) {
    if (aOuter == null) {
      return gTest3TimerCallback.QueryInterface(aIID);
    }
    throw Cr.NS_ERROR_NO_AGGREGATION;
  }
};

const gTest4TimerCallback = {
  notify: function T4CB_notify(aTimer) {
    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[4].desc, true);
    TESTS[4].notified = true;
    finished_test0thru7();
  },
  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
};

const gTest4Factory = {
  createInstance: function T4F_createInstance(aOuter, aIID) {
    if (aOuter == null) {
      return gTest4TimerCallback.QueryInterface(aIID);
    }
    throw Cr.NS_ERROR_NO_AGGREGATION;
  }
};

const gTest5TimerCallback = {
  notify: function T5CB_notify(aTimer) {
    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[5].desc, true);
    TESTS[5].notified = true;
    finished_test0thru7();
  },
  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
};

const gTest5Factory = {
  createInstance: function T5F_createInstance(aOuter, aIID) {
    if (aOuter == null) {
      return gTest5TimerCallback.QueryInterface(aIID);
    }
    throw Cr.NS_ERROR_NO_AGGREGATION;
  }
};

const gTest6TimerCallback = {
  notify: function T6CB_notify(aTimer) {
    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[6].desc, true);
    TESTS[6].notified = true;
    finished_test0thru7();
  },
  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
};

const gTest6Factory = {
  createInstance: function T6F_createInstance(aOuter, aIID) {
    if (aOuter == null) {
      return gTest6TimerCallback.QueryInterface(aIID);
    }
    throw Cr.NS_ERROR_NO_AGGREGATION;
  }
};

const gTest7TimerCallback = {
  notify: function T7CB_notify(aTimer) {
    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[7].desc, true);
    TESTS[7].notified = true;
    finished_test0thru7();
  },
  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
};

const gTest7Factory = {
  createInstance: function T7F_createInstance(aOuter, aIID) {
    if (aOuter == null) {
      return gTest7TimerCallback.QueryInterface(aIID);
    }
    throw Cr.NS_ERROR_NO_AGGREGATION;
  }
};

const gTest8TimerCallback = {
  notify: function T8CB_notify(aTimer) {
    TESTS[8].notified = true;
    TESTS[8].notifyTime = Date.now();
    do_execute_soon(function () {
      check_test8thru9(gTest8TimerCallback);
    });
  },
  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
};

const gTest8Factory = {
  createInstance: function T8F_createInstance(aOuter, aIID) {
    if (aOuter == null) {
      return gTest8TimerCallback.QueryInterface(aIID);
    }
    throw Cr.NS_ERROR_NO_AGGREGATION;
  }
};

const gTest9TimerCallback = {
  notify: function T9CB_notify(aTimer) {
    TESTS[9].notified = true;
    TESTS[9].notifyTime = Date.now();
    do_execute_soon(function () {
      check_test8thru9(gTest9TimerCallback);
    });
  },
  QueryInterface: XPCOMUtils.generateQI([Ci.nsITimerCallback])
};

const gTest9Factory = {
  createInstance: function T9F_createInstance(aOuter, aIID) {
    if (aOuter == null) {
      return gTest9TimerCallback.QueryInterface(aIID);
    }
    throw Cr.NS_ERROR_NO_AGGREGATION;
  }
};

function run_test() {
  do_test_pending();

  // Set the timer to fire every second
  gPref.setIntPref(PREF_APP_UPDATE_TIMERMINIMUMDELAY, MAIN_TIMER_INTERVAL / 1000);
  gPref.setIntPref(PREF_APP_UPDATE_TIMERFIRSTINTERVAL, MAIN_TIMER_INTERVAL);
  gPref.setBoolPref(PREF_APP_UPDATE_LOG_ALL, true);

  // Remove existing update timers to prevent them from being notified
  let entries = gCatMan.enumerateCategory(CATEGORY_UPDATE_TIMER);
  while (entries.hasMoreElements()) {
    let entry = entries.getNext().QueryInterface(Ci.nsISupportsCString).data;
    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, entry, false);
  }

  gUTM = Cc["@mozilla.org/updates/timer-manager;1"].
         getService(Ci.nsIUpdateTimerManager).
         QueryInterface(Ci.nsIObserver);
  gUTM.observe(null, "utm-test-init", "");

  do_execute_soon(run_test0thru7);
}

function end_test() {
  gUTM.observe(null, "xpcom-shutdown", "");
  do_test_finished();
}

function run_test0thru7() {
  gNextFunc = check_test0thru7;
  // bogus default interval
  gCompReg.registerFactory(TESTS[0].classID, TESTS[0].desc,
                           TESTS[0].contractID, gTest0Factory);
  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[0].desc,
                           [TESTS[0].contractID, TESTS[0].method,
                            TESTS[0].timerID, TESTS[0].prefInterval,
                            TESTS[0].defaultInterval].join(","), false, true);

  // doesn't implement nsITimerCallback
  gCompReg.registerFactory(TESTS[1].classID, TESTS[1].desc,
                           TESTS[1].contractID, gTest1Factory);
  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[1].desc,
                           [TESTS[1].contractID, TESTS[1].method,
                            TESTS[1].timerID, TESTS[1].prefInterval,
                            TESTS[1].defaultInterval].join(","), false, true);

  // has a last update time of now - 43200 which is half of its interval
  let lastUpdateTime = Math.round(Date.now() / 1000) - 43200;
  gPref.setIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[2].timerID, lastUpdateTime);
  gCompReg.registerFactory(TESTS[2].classID, TESTS[2].desc,
                           TESTS[2].contractID, gTest2Factory);
  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[2].desc,
                           [TESTS[2].contractID, TESTS[2].method,
                            TESTS[2].timerID, TESTS[2].prefInterval,
                            TESTS[2].defaultInterval].join(","), false, true);

  // doesn't have a notify method
  gCompReg.registerFactory(TESTS[3].classID, TESTS[3].desc,
                           TESTS[3].contractID, gTest3Factory);
  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[3].desc,
                           [TESTS[3].contractID, TESTS[3].method,
                            TESTS[3].timerID, TESTS[3].prefInterval,
                            TESTS[3].defaultInterval].join(","), false, true);

  // already has a last update time
  gPref.setIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[4].timerID, 1);
  gCompReg.registerFactory(TESTS[4].classID, TESTS[4].desc,
                           TESTS[4].contractID, gTest4Factory);
  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[4].desc,
                           [TESTS[4].contractID, TESTS[4].method,
                            TESTS[4].timerID, TESTS[4].prefInterval,
                            TESTS[4].defaultInterval].join(","), false, true);

  // has an interval preference that overrides the default
  gPref.setIntPref(TESTS[5].prefInterval, CONSUMER_TIMER_INTERVAL);
  gCompReg.registerFactory(TESTS[5].classID, TESTS[5].desc,
                           TESTS[5].contractID, gTest5Factory);
  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[5].desc,
                           [TESTS[5].contractID, TESTS[5].method,
                            TESTS[5].timerID, TESTS[5].prefInterval,
                            TESTS[5].defaultInterval].join(","), false, true);

  // has a next update time 24 hours from now
  let nextUpdateTime = Math.round(Date.now() / 1000) + 86400;
  gPref.setIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[6].timerID, nextUpdateTime);
  gCompReg.registerFactory(TESTS[6].classID, TESTS[6].desc,
                           TESTS[6].contractID, gTest6Factory);
  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[6].desc,
                           [TESTS[6].contractID, TESTS[6].method,
                            TESTS[6].timerID, TESTS[6].prefInterval,
                            TESTS[6].defaultInterval].join(","), false, true);

  // has a maximum interval set by the value of MAIN_TIMER_INTERVAL
  gPref.setIntPref(TESTS[7].prefInterval, 86400);
  gCompReg.registerFactory(TESTS[7].classID, TESTS[7].desc,
                           TESTS[7].contractID, gTest7Factory);
  gCatMan.addCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[7].desc,
                           [TESTS[7].contractID, TESTS[7].method,
                            TESTS[7].timerID, TESTS[7].prefInterval,
                            TESTS[7].defaultInterval,
                            TESTS[7].maxInterval].join(","), false, true);
}

function finished_test0thru7() {
  if (TESTS[4].notified && TESTS[5].notified && TESTS[6].notified && TESTS[7].notified) {
    do_execute_soon(gNextFunc);
  }
}

function check_test0thru7() {
  Assert.ok(!TESTS[0].notified,
            "a category registered timer didn't fire due to an invalid " +
            "default interval");

  Assert.ok(!TESTS[1].notified,
            "a category registered timer didn't fire due to not implementing " +
            "nsITimerCallback");

  Assert.ok(!TESTS[2].notified,
            "a category registered timer didn't fire due to the next update " +
            "time being in the future");

  Assert.ok(!TESTS[3].notified,
            "a category registered timer didn't fire due to not having a " +
            "notify method");

  Assert.ok(TESTS[4].notified,
            "a category registered timer has fired");

  Assert.ok(TESTS[5].notified,
            "a category registered timer fired that has an interval " +
            "preference that overrides a default that wouldn't have fired yet");

  Assert.ok(TESTS[6].notified,
            "a category registered timer has fired due to the next update " +
            "time being reset due to a future last update time");

  Assert.ok(gPref.prefHasUserValue(PREF_BRANCH_LAST_UPDATE_TIME +
                                   TESTS[4].timerID),
            "first of two category registered timers last update time has " +
            "a user value");
  Assert.ok(gPref.prefHasUserValue(PREF_BRANCH_LAST_UPDATE_TIME +
                                   TESTS[5].timerID),
            "second of two category registered timers last update time has " +
            "a user value");

  // Remove the category timers that should have failed
  gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[0].desc, true);
  gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[1].desc, true);
  gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[2].desc, true);
  gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, TESTS[3].desc, true);
  let entries = gCatMan.enumerateCategory(CATEGORY_UPDATE_TIMER);
  while (entries.hasMoreElements()) {
    let entry = entries.getNext().QueryInterface(Ci.nsISupportsCString).data;
    gCatMan.deleteCategoryEntry(CATEGORY_UPDATE_TIMER, entry, false);
  }

  entries = gCatMan.enumerateCategory(CATEGORY_UPDATE_TIMER);
  Assert.ok(!entries.hasMoreElements(),
            "no " + CATEGORY_UPDATE_TIMER + " categories should still be " +
            "registered");

  do_execute_soon(run_test8thru9);
}

function run_test8thru9() {
  gPref.setIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[8].timerID, 1);
  gCompReg.registerFactory(TESTS[8].classID, TESTS[8].desc,
                           TESTS[8].contractID, gTest8Factory);
  gUTM.registerTimer(TESTS[8].timerID, gTest8TimerCallback,
                     TESTS[8].defaultInterval);
  gPref.setIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[9].timerID, 1);
  gCompReg.registerFactory(TESTS[9].classID, TESTS[9].desc,
                           TESTS[9].contractID, gTest9Factory);
  gUTM.registerTimer(TESTS[9].timerID, gTest9TimerCallback,
                     TESTS[9].defaultInterval);
}

function check_test8thru9(aTestTimerCallback) {
  aTestTimerCallback.timesCalled = (aTestTimerCallback.timesCalled || 0) + 1;
  if (aTestTimerCallback.timesCalled < 2) {
    return;
  }

  Assert.ok(TESTS[8].notified,
            "first registerTimer registered timer should have fired");

  Assert.ok(TESTS[9].notified,
            "second registerTimer registered timer should have fired");

  // Check that 'staggering' has happened: even though the two events wanted to fire at
  // the same time, we waited a full MAIN_TIMER_INTERVAL between them.
  // (to avoid sensitivity to random timing issues, we fudge by a factor of 0.5 here)
  Assert.ok(Math.abs(TESTS[8].notifyTime - TESTS[9].notifyTime) >=
                     MAIN_TIMER_INTERVAL * 0.5,
            "staggering between two timers that want to fire at the same " +
            "time should have occured");

  let time = gPref.getIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[8].timerID);
  Assert.notEqual(time, 1,
                  "first registerTimer registered timer last update time " +
                  "should have been updated");

  time = gPref.getIntPref(PREF_BRANCH_LAST_UPDATE_TIME + TESTS[9].timerID);
  Assert.notEqual(time, 1,
                  "second registerTimer registered timer last update time " +
                  "should have been updated");

  end_test();
}
