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Test Info: Errors
- This test gets skipped with pattern: socketprocess_networking
- This test failed 3 times in the preceding 30 days. quicksearch this test
- Manifest: browser/base/content/test/about/browser.toml
/* Any copyright is dedicated to the Public Domain.
"use strict";
// the real DoH endpoint. But that may happen when clearing the proxy type, and
// sometimes even in the next test.
// To prevent that we override the IP to a local address.
Cc["@mozilla.org/network/native-dns-override;1"]
.getService(Ci.nsINativeDNSResolverOverride)
.addIPOverride("mozilla.cloudflare-dns.com", "127.0.0.1");
let oldProxyType = Services.prefs.getIntPref("network.proxy.type");
function resetPrefs() {
Services.prefs.clearUserPref("network.trr.mode");
Services.prefs.clearUserPref("network.dns.native-is-localhost");
Services.prefs.setIntPref("network.proxy.type", oldProxyType);
}
async function loadErrorPage() {
Services.prefs.setBoolPref("network.dns.native-is-localhost", true);
Services.prefs.setIntPref("network.trr.mode", Ci.nsIDNSService.MODE_TRRONLY);
// We need to disable proxy, otherwise TRR isn't used for name resolution.
Services.prefs.setIntPref("network.proxy.type", 0);
registerCleanupFunction(resetPrefs);
let browser;
let pageLoaded;
await BrowserTestUtils.openNewForegroundTab(
gBrowser,
() => {
);
browser = gBrowser.selectedBrowser;
pageLoaded = BrowserTestUtils.waitForErrorPage(browser);
},
false
);
info("Loading and waiting for the net error");
await pageLoaded;
return browser;
}
// This test makes sure that the Add exception button only shows up
// when the skipReason indicates that the domain could not be resolved.
// If instead there is a problem with the TRR connection, then we don't
// show the exception button.
add_task(async function exceptionButtonTRROnly() {
let browser = await loadErrorPage();
await SpecialPowers.spawn(browser, [], function () {
const doc = content.document;
ok(
doc.documentURI.startsWith("about:neterror"),
"Should be showing error page"
);
const titleEl = doc.querySelector(".title-text");
const actualDataL10nID = titleEl.getAttribute("data-l10n-id");
is(
actualDataL10nID,
"dns-not-found-trr-only-title2",
"Correct error page title is set"
);
let trrExceptionButton = doc.getElementById("trrExceptionButton");
Assert.equal(
trrExceptionButton.hidden,
true,
"Exception button should be hidden for TRR service failures"
);
});
BrowserTestUtils.removeTab(gBrowser.selectedTab);
resetPrefs();
});
add_task(async function TRROnlyExceptionButtonTelemetry() {
// Clear everything.
Services.telemetry.clearEvents();
await TestUtils.waitForCondition(() => {
let events = Services.telemetry.snapshotEvents(
Ci.nsITelemetry.DATASET_PRERELEASE_CHANNELS,
true
).content;
return !events || !events.length;
});
Services.telemetry.setEventRecordingEnabled("security.doh.neterror", true);
let browser = await loadErrorPage();
await SpecialPowers.spawn(browser, [], function () {
const doc = content.document;
ok(
doc.documentURI.startsWith("about:neterror"),
"Should be showing error page"
);
});
let loadEvent = await TestUtils.waitForCondition(() => {
let events = Services.telemetry.snapshotEvents(
Ci.nsITelemetry.DATASET_PRERELEASE_CHANNELS,
true
).content;
return events?.find(e => e[1] == "security.doh.neterror" && e[2] == "load");
}, "recorded telemetry for the load");
loadEvent.shift();
Assert.deepEqual(loadEvent, [
"security.doh.neterror",
"load",
"dohwarning",
"TRROnlyFailure",
{
mode: "3",
provider_key: "mozilla.cloudflare-dns.com",
skip_reason: "TRR_UNKNOWN_CHANNEL_FAILURE",
},
]);
await SpecialPowers.spawn(browser, [], function () {
const doc = content.document;
let buttons = ["neterrorTryAgainButton", "trrSettingsButton"];
for (let buttonId of buttons) {
let button = doc.getElementById(buttonId);
button.click();
}
});
// Since we click TryAgain, make sure the error page is loaded again.
await BrowserTestUtils.waitForErrorPage(browser);
is(
gBrowser.tabs.length,
3,
"Should open about:preferences#privacy-doh in another tab"
);
let clickEvents = await TestUtils.waitForCondition(
() => {
let events = Services.telemetry.snapshotEvents(
Ci.nsITelemetry.DATASET_PRERELEASE_CHANNELS,
true
).content;
return events?.filter(
e => e[1] == "security.doh.neterror" && e[2] == "click"
);
},
"recorded telemetry for clicking buttons",
500,
100
);
let firstEvent = clickEvents[0];
firstEvent.shift(); // remove timestamp
Assert.deepEqual(firstEvent, [
"security.doh.neterror",
"click",
"try_again_button",
"TRROnlyFailure",
{
mode: "3",
provider_key: "mozilla.cloudflare-dns.com",
skip_reason: "TRR_UNKNOWN_CHANNEL_FAILURE",
},
]);
let secondEvent = clickEvents[1];
secondEvent.shift(); // remove timestamp
Assert.deepEqual(secondEvent, [
"security.doh.neterror",
"click",
"settings_button",
"TRROnlyFailure",
{
mode: "3",
provider_key: "mozilla.cloudflare-dns.com",
skip_reason: "TRR_UNKNOWN_CHANNEL_FAILURE",
},
]);
BrowserTestUtils.removeTab(gBrowser.tabs[2]);
BrowserTestUtils.removeTab(gBrowser.tabs[1]);
resetPrefs();
});