tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_AboutWelcomeTelemetry_exposure.js (2387B)

      1 /* Any copyright is dedicated to the Public Domain.
      2 https://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 const { NetUtil } = ChromeUtils.importESModule(
      7  "resource://gre/modules/NetUtil.sys.mjs"
      8 );
      9 const { NimbusTestUtils } = ChromeUtils.importESModule(
     10  "resource://testing-common/NimbusTestUtils.sys.mjs"
     11 );
     12 
     13 NimbusTestUtils.init(this);
     14 
     15 /**
     16 * Tests that a visit to about:welcome results in an exposure recorded via
     17 * Nimbus / Glean.
     18 */
     19 
     20 add_task(async function test_exposure() {
     21  do_get_profile();
     22  Services.fog.initializeFOG();
     23  NimbusTestUtils.cleanupStorePrefCache();
     24 
     25  // Simulate a visit by requesting the about:welcome nsIAboutModule, and
     26  // requesting a channel for about:welcome.
     27  let module = Cc[
     28    "@mozilla.org/network/protocol/about;1?what=welcome"
     29  ].getService(Ci.nsIAboutModule);
     30  Assert.ok(module, "Found the nsIAboutModule.");
     31 
     32  Services.fog.testResetFOG();
     33  Assert.ok(
     34    !Glean.normandy.exposeNimbusExperiment.testGetValue(),
     35    "No exposure events recorded yet."
     36  );
     37 
     38  const { manager, cleanup } = await NimbusTestUtils.setupTest();
     39  await manager.enroll(
     40    NimbusTestUtils.factories.recipe.withFeatureConfig("foo", {
     41      featureId: "aboutwelcome",
     42    }),
     43    "test"
     44  );
     45 
     46  const ABOUT_WELCOME_URI = Services.io.newURI("about:welcome");
     47 
     48  // create a dummy loadinfo which we can hand to newChannel.
     49  let dummyChannel = NetUtil.newChannel({
     50    uri: Services.io.newURI("http://localhost"),
     51    loadUsingSystemPrincipal: true,
     52  });
     53  let dummyLoadInfo = dummyChannel.loadInfo;
     54  module.newChannel(ABOUT_WELCOME_URI, dummyLoadInfo);
     55 
     56  let exposureEvents = Glean.normandy.exposeNimbusExperiment.testGetValue();
     57  Assert.ok(exposureEvents, "Found exposure events.");
     58  let result = exposureEvents.filter(exposureEvent => {
     59    return (
     60      exposureEvent.category === "normandy" &&
     61      exposureEvent.extra.featureId === "aboutwelcome"
     62    );
     63  });
     64  Assert.equal(result.length, 1, "Found the single exposure");
     65 
     66  // Ensure there we only record this once.
     67  module.newChannel(ABOUT_WELCOME_URI, dummyLoadInfo);
     68 
     69  result = exposureEvents.filter(exposureEvent => {
     70    return (
     71      exposureEvent.category === "normandy" &&
     72      exposureEvent.extra.featureId === "aboutwelcome"
     73    );
     74  });
     75  Assert.equal(result.length, 1, "Only a single exposure still.");
     76 
     77  await manager.unenroll("foo");
     78  await cleanup();
     79 });