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- Manifest: toolkit/components/content-classifier/test/browser/browser.toml
"use strict";
// privacy.trackingprotection.content.testing.use_test_trackers_engines makes
// the service use test_block and test_annotate wherever the engines prefs list
// the trackers engine, so blocking and annotation lists can differ.
const USE_TEST_ENGINES_PREF =
"privacy.trackingprotection.content.testing.use_test_trackers_engines";
let service;
function probeRequest(url) {
return {
url,
sourceUrl: TEST_DOMAIN,
topWindowUrl: TEST_DOMAIN,
requestType: "image",
privateBrowsing: false,
forceThirdPartyToTop: false,
isNonRecommendedAddon: false,
};
}
async function matchedFeatures(probe, url) {
let report = await probe.call(service, probeRequest(url));
return Array.from(report.results)
.filter(r => r.matched && !r.exception)
.map(r => r.featureName);
}
async function engineNames(probe) {
let report = await probe.call(service, probeRequest(BLOCKED_TRACKER));
return Array.from(report.results).map(r => r.featureName);
}
add_task(async function test_trackers_replaced_by_test_engines() {
await SpecialPowers.pushPrefEnv({
set: [
["browser.contentblocking.category", "custom"],
["privacy.trackingprotection.allow_list.hasMigratedCategoryPrefs", true],
["privacy.trackingprotection.content.mirror.mode", 1],
["privacy.trackingprotection.content.testing", true],
["privacy.trackingprotection.enabled", true],
["privacy.trackingprotection.annotate_channels", true],
[
"privacy.trackingprotection.content.protection.test_list_urls",
"data:text/plain," + encodeURIComponent("||example.org^\n"),
],
[
"privacy.trackingprotection.content.annotation.test_list_urls",
"data:text/plain," +
encodeURIComponent("||example.org^\n||example.com^\n"),
],
[USE_TEST_ENGINES_PREF, true],
],
});
service = Cc["@mozilla.org/content-classifier-service;1"].getService(
Ci.nsIContentClassifierService
);
await TestUtils.waitForCondition(
async () =>
(await matchedFeatures(service.probeBlocking, BLOCKED_TRACKER)).includes(
"test_block"
) &&
(
await matchedFeatures(service.probeAnnotate, ANNOTATED_TRACKER)
).includes("test_annotate"),
"Waiting for the test engines to be built"
);
ok(
!(await engineNames(service.probeBlocking)).includes("trackers"),
"The trackers engine is not used for blocking"
);
ok(
!(await engineNames(service.probeAnnotate)).includes("trackers"),
"The trackers engine is not used for annotation"
);
ok(
!(await matchedFeatures(service.probeBlocking, ANNOTATED_TRACKER)).includes(
"test_block"
),
"A host only on the annotation list is not blocked"
);
let tab = await openTestTab();
let bc = tab.linkedBrowser.browsingContext;
ok(
bc.scopedPrefs.getBoolPrefScoped(
Ci.nsIScopedPrefs.PRIVACY_TRACKINGPROTECTION_CONTENT_ENABLED,
bc
),
"The trackers scoped pref defaults to test_block being active"
);
BrowserTestUtils.removeTab(tab);
await SpecialPowers.pushPrefEnv({
set: [["privacy.trackingprotection.enabled", false]],
});
await TestUtils.waitForCondition(
async () =>
!(await engineNames(service.probeBlocking)).includes("test_block"),
"test_block follows the trackers engine out of the blocking engines"
);
ok(
(await matchedFeatures(service.probeAnnotate, ANNOTATED_TRACKER)).includes(
"test_annotate"
),
"test_annotate is still used for annotation"
);
await SpecialPowers.popPrefEnv();
await SpecialPowers.pushPrefEnv({ set: [[USE_TEST_ENGINES_PREF, false]] });
await TestUtils.waitForCondition(
async () =>
!(await engineNames(service.probeBlocking)).includes("test_block") &&
!(await engineNames(service.probeAnnotate)).includes("test_annotate"),
"The test engines are dropped once the pref is cleared"
);
ok(true, "The test engines are no longer used");
});