tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_slowDatabaseInitialization.js (2120B)

      1 /**
      2 * Any copyright is dedicated to the Public Domain.
      3 * http://creativecommons.org/publicdomain/zero/1.0/
      4 */
      5 
      6 // This test doesn't use the shared module system (running the same test in
      7 // multiple test suites) on purpose because it needs to create an unprivileged
      8 // sandbox which is not possible if the test is already running in a sandbox.
      9 
     10 const { PrincipalUtils } = ChromeUtils.importESModule(
     11  "resource://testing-common/dom/quota/test/modules/PrincipalUtils.sys.mjs"
     12 );
     13 const { QuotaUtils } = ChromeUtils.importESModule(
     14  "resource://testing-common/dom/quota/test/modules/QuotaUtils.sys.mjs"
     15 );
     16 const { TestUtils } = ChromeUtils.importESModule(
     17  "resource://testing-common/TestUtils.sys.mjs"
     18 );
     19 
     20 add_task(
     21  { pref_set: [["dom.fs.databaseInitialization.pauseOnIOThreadMs", 2000]] },
     22  async function testSteps() {
     23    const principal = PrincipalUtils.createPrincipal("https://example.com");
     24 
     25    info("Testing origin clearing requested after starting database work");
     26 
     27    info("Starting database opening");
     28 
     29    const openPromise = new Promise(function (resolve, reject) {
     30      const sandbox = new Cu.Sandbox(principal, {
     31        wantGlobalProperties: ["storage"],
     32        forceSecureContext: true,
     33      });
     34      sandbox.resolve = resolve;
     35      sandbox.reject = reject;
     36      Cu.evalInSandbox(
     37        `storage.getDirectory().then(resolve, reject);`,
     38        sandbox
     39      );
     40    });
     41 
     42    info("Waiting for database work to start");
     43 
     44    await TestUtils.topicObserved("BucketFS::DatabaseWorkStarted");
     45 
     46    info("Starting origin clearing");
     47 
     48    const clearPromise = (async function () {
     49      const request = Services.qms.clearStoragesForPrincipal(principal);
     50      const promise = QuotaUtils.requestFinished(request);
     51      return promise;
     52    })();
     53 
     54    info("Waiting for database to finish opening");
     55 
     56    try {
     57      await openPromise;
     58      ok(false, "Should have thrown");
     59    } catch (e) {
     60      ok(true, "Should have thrown");
     61      Assert.strictEqual(e.name, "AbortError", "Threw right result code");
     62    }
     63 
     64    info("Waiting for origin to finish clearing");
     65 
     66    await clearPromise;
     67  }
     68 );