tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_slowDatabaseInitialization.js (3302B)

      1 /**
      2 * Any copyright is dedicated to the Public Domain.
      3 * http://creativecommons.org/publicdomain/zero/1.0/
      4 */
      5 
      6 const { PrincipalUtils } = ChromeUtils.importESModule(
      7  "resource://testing-common/dom/quota/test/modules/PrincipalUtils.sys.mjs"
      8 );
      9 const { QuotaUtils } = ChromeUtils.importESModule(
     10  "resource://testing-common/dom/quota/test/modules/QuotaUtils.sys.mjs"
     11 );
     12 const { TestUtils } = ChromeUtils.importESModule(
     13  "resource://testing-common/TestUtils.sys.mjs"
     14 );
     15 
     16 add_task(
     17  {
     18    pref_set: [["dom.storage.databaseInitialization.pauseOnIOThreadMs", 2000]],
     19  },
     20  async function testSteps() {
     21    const principal = PrincipalUtils.createPrincipal("https://example.com");
     22 
     23    info("Testing origin clearing requested after starting database work");
     24 
     25    // We need some existing data on disk, otherwise the preloading won't create
     26    // a datastore in memory that holds a directory lock.
     27 
     28    info("Clearing");
     29 
     30    {
     31      const request = Services.qms.clear();
     32      await QuotaUtils.requestFinished(request);
     33    }
     34 
     35    info("Installing package");
     36 
     37    installPackage("somedata_profile");
     38 
     39    const openPromise = Services.domStorageManager.preload(principal);
     40 
     41    info("Waiting for database work to start");
     42 
     43    await TestUtils.topicObserved("LocalStorage::DatabaseWorkStarted");
     44 
     45    info("Starting origin clearing");
     46 
     47    const clearPromise = (async function () {
     48      const request = Services.qms.clearStoragesForPrincipal(principal);
     49      const promise = QuotaUtils.requestFinished(request);
     50      return promise;
     51    })();
     52 
     53    info("Waiting for database to finish opening");
     54 
     55    try {
     56      await openPromise;
     57      ok(false, "Should have thrown");
     58    } catch (e) {
     59      ok(true, "Should have thrown");
     60      Assert.strictEqual(
     61        e.result,
     62        Cr.NS_ERROR_ABORT,
     63        "Threw right result code"
     64      );
     65    }
     66 
     67    info("Waiting for origin to finish clearing");
     68 
     69    await clearPromise;
     70 
     71    const isPreloaded = await Services.domStorageManager.isPreloaded(principal);
     72    Assert.equal(isPreloaded, false, "Datastore is not preloaded");
     73  }
     74 );
     75 
     76 add_task(
     77  {
     78    pref_set: [["dom.storage.databaseInitialization.pauseOnIOThreadMs", 2000]],
     79  },
     80  async function testStepsChild() {
     81    const principal = PrincipalUtils.createPrincipal("https://example.com");
     82 
     83    info("Clearing");
     84 
     85    {
     86      const request = Services.qms.clear();
     87      await QuotaUtils.requestFinished(request);
     88    }
     89 
     90    info("Installing package");
     91 
     92    installPackage("somedata_profile");
     93 
     94    info("Starting database opening");
     95 
     96    const openPromise = run_test_in_child(
     97      "slowDatabaseInitialization_child.js"
     98    );
     99 
    100    info("Waiting for database work to start");
    101 
    102    await TestUtils.topicObserved("LocalStorage::DatabaseWorkStarted");
    103 
    104    info("Starting origin clearing");
    105 
    106    const clearPromise = (async function () {
    107      const request = Services.qms.clearStoragesForPrincipal(principal);
    108      const promise = QuotaUtils.requestFinished(request);
    109      return promise;
    110    })();
    111 
    112    info("Waiting for database to finish opening");
    113 
    114    // The abort error is checked in the child test, so this shouldn't throw.
    115    // We just wait for the child test to finish here.
    116    await openPromise;
    117 
    118    info("Waiting for origin to finish clearing");
    119 
    120    await clearPromise;
    121  }
    122 );