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const { TelemetryArchive } = ChromeUtils.import(
"resource://gre/modules/TelemetryArchive.jsm"
);
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
var EXPORTED_SYMBOLS = ["TelemetryArchiveTesting"];
function checkForProperties(ping, expected) {
for (let [props, val] of expected) {
let test = ping;
for (let prop of props) {
test = test[prop];
if (test === undefined) {
return false;
}
}
if (test !== val) {
return false;
}
}
return true;
}
/**
* A helper object that allows test code to check whether a telemetry ping
* was properly saved. To use, first initialize to collect the starting pings
* and then check for new ping data.
*/
function Checker() {}
Checker.prototype = {
promiseInit() {
this._pingMap = new Map();
return TelemetryArchive.promiseArchivedPingList().then(plist => {
for (let ping of plist) {
this._pingMap.set(ping.id, ping);
}
});
},
/**
* Find and return a new ping with certain properties.
*
* @param expected: an array of [['prop'...], 'value'] to check
* For example:
* [
* [['environment', 'build', 'applicationId'], '20150101010101'],
* [['version'], 1],
* [['metadata', 'OOMAllocationSize'], 123456789],
* ]
* @returns a matching ping if found, or null
*/
async promiseFindPing(type, expected) {
let candidates = [];
let plist = await TelemetryArchive.promiseArchivedPingList();
for (let ping of plist) {
if (this._pingMap.has(ping.id)) {
continue;
}
if (ping.type == type) {
candidates.push(ping);
}
}
for (let candidate of candidates) {
let ping = await TelemetryArchive.promiseArchivedPingById(candidate.id);
if (checkForProperties(ping, expected)) {
return ping;
}
}
return null;
},
};
const TelemetryArchiveTesting = {
setup() {
Services.prefs.setCharPref("toolkit.telemetry.log.level", "Trace");
Services.prefs.setBoolPref("toolkit.telemetry.archive.enabled", true);
},
Checker,
};
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