The Tor Browser: toolkit/components/crashes/tests/xpcshell/test_crash_store.js@925c144e1f1f (annotated)

toolkit/components/crashes/tests/xpcshell/test_crash_store.js@925c144e1f1f (annotated)

toolkit/components/crashes/tests/xpcshell/test_crash_store.js

Fri, 16 Jan 2015 18:13:44 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Fri, 16 Jan 2015 18:13:44 +0100
branch: TOR_BUG_9701
changeset 14: 925c144e1f1f
permissions: -rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 /*
  * This file tests the CrashStore type in CrashManager.jsm.
  */
 "use strict";
 const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
 let bsp = Cu.import("resource://gre/modules/CrashManager.jsm", this);
 Cu.import("resource://gre/modules/osfile.jsm", this);
 Cu.import("resource://gre/modules/Task.jsm", this);
 const CrashStore = bsp.CrashStore;
 let STORE_DIR_COUNT = 0;
 function getStore() {
   return Task.spawn(function* () {
     let storeDir = do_get_tempdir().path;
     storeDir = OS.Path.join(storeDir, "store-" + STORE_DIR_COUNT++);
     yield OS.File.makeDir(storeDir, {unixMode: OS.Constants.libc.S_IRWXU});
     let s = new CrashStore(storeDir);
     yield s.load();
     return s;
   });
 }
 function run_test() {
   run_next_test();
 }
 add_task(function* test_constructor() {
   let s = new CrashStore("/some/path");
   Assert.ok(s instanceof CrashStore);
 });
 add_task(function test_add_crash() {
   let s = yield getStore();
   Assert.equal(s.crashesCount, 0);
   let d = new Date(Date.now() - 5000);
   s.addMainProcessCrash("id1", d);
   Assert.equal(s.crashesCount, 1);
   let crashes = s.crashes;
   Assert.equal(crashes.length, 1);
   let c = crashes[0];
   Assert.equal(c.id, "id1", "ID set properly.");
   Assert.equal(c.crashDate.getTime(), d.getTime(), "Date set.");
   s.addMainProcessCrash("id2", new Date());
   Assert.equal(s.crashesCount, 2);
 });
 add_task(function test_save_load() {
   let s = yield getStore();
   yield s.save();
   let d1 = new Date();
   let d2 = new Date(d1.getTime() - 10000);
   s.addMainProcessCrash("id1", d1);
   s.addMainProcessCrash("id2", d2);
   yield s.save();
   yield s.load();
   Assert.ok(!s.corruptDate);
   let crashes = s.crashes;
   Assert.equal(crashes.length, 2);
   let c = s.getCrash("id1");
   Assert.equal(c.crashDate.getTime(), d1.getTime());
 });
 add_task(function test_corrupt_json() {
   let s = yield getStore();
   let buffer = new TextEncoder().encode("{bad: json-file");
   yield OS.File.writeAtomic(s._storePath, buffer, {compression: "lz4"});
   yield s.load();
   Assert.ok(s.corruptDate, "Corrupt date is defined.");
   let date = s.corruptDate;
   yield s.save();
   s._data = null;
   yield s.load();
   Assert.ok(s.corruptDate);
   Assert.equal(date.getTime(), s.corruptDate.getTime());
 });
 add_task(function* test_add_main_crash() {
   let s = yield getStore();
   s.addMainProcessCrash("id1", new Date());
   Assert.equal(s.crashesCount, 1);
   let c = s.crashes[0];
   Assert.ok(c.crashDate);
   Assert.equal(c.type, bsp.CrashStore.prototype.TYPE_MAIN_CRASH);
   Assert.ok(c.isMainProcessCrash);
   s.addMainProcessCrash("id2", new Date());
   Assert.equal(s.crashesCount, 2);
   // Duplicate.
   s.addMainProcessCrash("id1", new Date());
   Assert.equal(s.crashesCount, 2);
   Assert.equal(s.mainProcessCrashes.length, 2);
 });
 add_task(function* test_add_plugin_crash() {
   let s = yield getStore();
   s.addPluginCrash("id1", new Date());
   Assert.equal(s.crashesCount, 1);
   let c = s.crashes[0];
   Assert.ok(c.crashDate);
   Assert.equal(c.type, bsp.CrashStore.prototype.TYPE_PLUGIN_CRASH);
   Assert.ok(c.isPluginCrash);
   s.addPluginCrash("id2", new Date());
   Assert.equal(s.crashesCount, 2);
   s.addPluginCrash("id1", new Date());
   Assert.equal(s.crashesCount, 2);
   Assert.equal(s.pluginCrashes.length, 2);
 });
 add_task(function* test_add_plugin_hang() {
   let s = yield getStore();
   s.addPluginHang("id1", new Date());
   Assert.equal(s.crashesCount, 1);
   let c = s.crashes[0];
   Assert.ok(c.crashDate);
   Assert.equal(c.type, bsp.CrashStore.prototype.TYPE_PLUGIN_HANG);
   Assert.ok(c.isPluginHang);
   s.addPluginHang("id2", new Date());
   Assert.equal(s.crashesCount, 2);
   s.addPluginHang("id1", new Date());
   Assert.equal(s.crashesCount, 2);
   Assert.equal(s.pluginHangs.length, 2);
 });
 add_task(function* test_add_mixed_types() {
   let s = yield getStore();
   s.addMainProcessCrash("main", new Date());
   s.addPluginCrash("pcrash", new Date());
   s.addPluginHang("phang", new Date());
   Assert.equal(s.crashesCount, 3);
   yield s.save();
   s._data.crashes.clear();
   Assert.equal(s.crashesCount, 0);
   yield s.load();
   Assert.equal(s.crashesCount, 3);
   Assert.equal(s.mainProcessCrashes.length, 1);
   Assert.equal(s.pluginCrashes.length, 1);
   Assert.equal(s.pluginHangs.length, 1);
 });
 // Crashes added beyond the high water mark behave properly.
 add_task(function* test_high_water() {
   let s = yield getStore();
   let d1 = new Date(2014, 0, 1, 0, 0, 0);
   let d2 = new Date(2014, 0, 2, 0, 0, 0);
   for (let i = 0; i < s.HIGH_WATER_DAILY_THRESHOLD + 1; i++) {
     s.addMainProcessCrash("m1" + i, d1);
     s.addMainProcessCrash("m2" + i, d2);
     s.addPluginCrash("pc1" + i, d1);
     s.addPluginCrash("pc2" + i, d2);
     s.addPluginHang("ph1" + i, d1);
     s.addPluginHang("ph2" + i, d2);
   }
   // We preserve main process crashes. Plugin crashes and hangs beyond should
   // be discarded.
   Assert.equal(s.crashesCount, 6 * s.HIGH_WATER_DAILY_THRESHOLD + 2);
   Assert.equal(s.mainProcessCrashes.length, 2 * s.HIGH_WATER_DAILY_THRESHOLD + 2);
   Assert.equal(s.pluginCrashes.length, 2 * s.HIGH_WATER_DAILY_THRESHOLD);
   Assert.equal(s.pluginHangs.length, 2 * s.HIGH_WATER_DAILY_THRESHOLD);
   // But raw counts should be preserved.
   let day1 = bsp.dateToDays(d1);
   let day2 = bsp.dateToDays(d2);
   Assert.ok(s._countsByDay.has(day1));
   Assert.ok(s._countsByDay.has(day2));
   Assert.equal(s._countsByDay.get(day1).get(s.TYPE_MAIN_CRASH),
                s.HIGH_WATER_DAILY_THRESHOLD + 1);
   Assert.equal(s._countsByDay.get(day1).get(s.TYPE_PLUGIN_CRASH),
                s.HIGH_WATER_DAILY_THRESHOLD + 1);
   Assert.equal(s._countsByDay.get(day1).get(s.TYPE_PLUGIN_HANG),
                s.HIGH_WATER_DAILY_THRESHOLD + 1);
   yield s.save();
   yield s.load();
   Assert.ok(s._countsByDay.has(day1));
   Assert.ok(s._countsByDay.has(day2));
   Assert.equal(s._countsByDay.get(day1).get(s.TYPE_MAIN_CRASH),
                s.HIGH_WATER_DAILY_THRESHOLD + 1);
   Assert.equal(s._countsByDay.get(day1).get(s.TYPE_PLUGIN_CRASH),
                s.HIGH_WATER_DAILY_THRESHOLD + 1);
   Assert.equal(s._countsByDay.get(day1).get(s.TYPE_PLUGIN_HANG),
                s.HIGH_WATER_DAILY_THRESHOLD + 1);
 });