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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
/**
* Tests the statistics and other counters reported through telemetry.
*/
"use strict";
// Globals
const MS_PER_DAY = 24 * 60 * 60 * 1000;
// To prevent intermittent failures when the test is executed at a time that is
// very close to a day boundary, we make it deterministic by using a static
// reference date for all the time-based statistics.
const gReferenceTimeMs = new Date("2000-01-01T00:00:00").getTime();
// Returns a milliseconds value to use with nsILoginMetaInfo properties, falling
// approximately in the middle of the specified number of days before the
// reference time, where zero days indicates a time within the past 24 hours.
var daysBeforeMs = days => gReferenceTimeMs - (days + 0.5) * MS_PER_DAY;
/**
* Contains metadata that will be attached to test logins in order to verify
* that the statistics collection is working properly. Most properties of the
* logins are initialized to the default test values already.
*
* If you update this data or any of the telemetry histograms it checks, you'll
* probably need to update the expected statistics in the test below.
*/
const StatisticsTestData = [
{
timeLastUsed: daysBeforeMs(0),
},
{
timeLastUsed: daysBeforeMs(1),
},
{
timeLastUsed: daysBeforeMs(7),
formSubmitURL: null,
httpRealm: "The HTTP Realm",
},
{
username: "",
timeLastUsed: daysBeforeMs(7),
},
{
username: "",
timeLastUsed: daysBeforeMs(30),
},
{
username: "",
timeLastUsed: daysBeforeMs(31),
},
{
timeLastUsed: daysBeforeMs(365),
},
{
username: "",
timeLastUsed: daysBeforeMs(366),
},
{
// If the login was saved in the future, it is ignored for statistiscs.
timeLastUsed: daysBeforeMs(-1),
},
{
timeLastUsed: daysBeforeMs(1000),
},
];
/**
* Triggers the collection of those statistics that are not accumulated each
* time an action is taken, but are a static snapshot of the current state.
*/
function triggerStatisticsCollection() {
Services.obs.notifyObservers(null, "gather-telemetry", "" + gReferenceTimeMs);
}
/**
* Tests the telemetry histogram with the given ID contains only the specified
* non-zero ranges, expressed in the format { range1: value1, range2: value2 }.
*/
function testHistogram(histogramId, expectedNonZeroRanges) {
let snapshot = Services.telemetry.getHistogramById(histogramId).snapshot();
// Compute the actual ranges in the format { range1: value1, range2: value2 }.
let actualNonZeroRanges = {};
for (let [index, range] of snapshot.ranges.entries()) {
let value = snapshot.counts[index];
if (value > 0) {
actualNonZeroRanges[range] = value;
}
}
// These are stringified to visualize the differences between the values.
do_print("Testing histogram: " + histogramId);
do_check_eq(JSON.stringify(actualNonZeroRanges),
JSON.stringify(expectedNonZeroRanges));
}
// Tests
/**
* Enable local telemetry recording for the duration of the tests, and prepare
* the test data that will be used by the following tests.
*/
add_task(function test_initialize() {
let oldCanRecord = Services.telemetry.canRecordExtended;
Services.telemetry.canRecordExtended = true;
do_register_cleanup(function () {
Services.telemetry.canRecordExtended = oldCanRecord;
});
let uniqueNumber = 1;
for (let loginModifications of StatisticsTestData) {
loginModifications.hostname = `http://${uniqueNumber++}.example.com`;
Services.logins.addLogin(TestData.formLogin(loginModifications));
}
});
/**
* Tests the collection of statistics related to login metadata.
*/
add_task(function test_logins_statistics() {
// Repeat the operation twice to test that histograms are not accumulated.
for (let repeating of [false, true]) {
triggerStatisticsCollection();
// Should record 1 in the bucket corresponding to the number of passwords.
testHistogram("PWMGR_NUM_SAVED_PASSWORDS",
{ 10: 1 });
// Should record 1 in the bucket corresponding to the number of passwords.
testHistogram("PWMGR_NUM_HTTPAUTH_PASSWORDS",
{ 1: 1 });
// For each saved login, should record 1 in the bucket corresponding to the
// age in days since the login was last used.
testHistogram("PWMGR_LOGIN_LAST_USED_DAYS",
{ 0: 1, 1: 1, 7: 2, 29: 2, 356: 2, 750: 1 });
// Should record the number of logins without a username in bucket 0, and
// the number of logins with a username in bucket 1.
testHistogram("PWMGR_USERNAME_PRESENT",
{ 0: 4, 1: 6 });
}
});
/**
* Tests the collection of statistics related to hosts for which passowrd saving
* has been explicitly disabled.
*/
add_task(function test_disabledHosts_statistics() {
// Should record 1 in the bucket corresponding to the number of sites for
// which password saving is disabled.
Services.logins.setLoginSavingEnabled("http://www.example.com", false);
triggerStatisticsCollection();
testHistogram("PWMGR_BLOCKLIST_NUM_SITES", { 1: 1 });
Services.logins.setLoginSavingEnabled("http://www.example.com", true);
triggerStatisticsCollection();
testHistogram("PWMGR_BLOCKLIST_NUM_SITES", { 0: 1 });
});
/**
* Tests the collection of statistics related to general settings.
*/
add_task(function test_settings_statistics() {
let oldRememberSignons = Services.prefs.getBoolPref("signon.rememberSignons");
do_register_cleanup(function () {
Services.prefs.setBoolPref("signon.rememberSignons", oldRememberSignons);
});
// Repeat the operation twice per value to test that histograms are reset.
for (let remember of [false, true, false, true]) {
// This change should be observed immediately by the login service.
Services.prefs.setBoolPref("signon.rememberSignons", remember);
triggerStatisticsCollection();
// Should record 1 in either bucket 0 or bucket 1 based on the preference.
testHistogram("PWMGR_SAVING_ENABLED", remember ? { 1: 1 } : { 0: 1 });
}
});
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