2018-05-24 16:32:40 +03:00
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/* import-globals-from ../../../common/tests/unit/head_helpers.js */
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ChromeUtils.import("resource://gre/modules/Services.jsm");
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2018-01-30 02:20:18 +03:00
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ChromeUtils.import("resource://testing-common/httpd.js");
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2018-05-24 16:32:40 +03:00
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2018-01-30 02:20:18 +03:00
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const { UptakeTelemetry } = ChromeUtils.import("resource://services-common/uptake-telemetry.js", {});
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2018-05-24 16:32:40 +03:00
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const { RemoteSettings } = ChromeUtils.import("resource://services-settings/remote-settings.js", {});
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2016-03-15 11:55:23 +03:00
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var server;
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2016-05-19 13:51:13 +03:00
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const PREF_SETTINGS_SERVER = "services.settings.server";
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2017-01-19 17:40:26 +03:00
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const PREF_SETTINGS_SERVER_BACKOFF = "services.settings.server.backoff";
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2018-03-13 18:23:57 +03:00
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const PREF_LAST_UPDATE = "services.settings.last_update_seconds";
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const PREF_LAST_ETAG = "services.settings.last_etag";
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const PREF_CLOCK_SKEW_SECONDS = "services.settings.clock_skew_seconds";
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2016-03-15 11:55:23 +03:00
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2017-03-22 13:27:17 +03:00
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// Telemetry report result.
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const TELEMETRY_HISTOGRAM_KEY = "settings-changes-monitoring";
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2018-06-05 02:32:32 +03:00
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// Check to ensure maybeSync is called with correct values when a changes
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// document contains information on when a collection was last modified
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add_task(async function test_check_maybeSync() {
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const changesPath = "/v1/buckets/monitor/collections/changes/records";
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// register a handler
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function handleResponse(serverTimeMillis, request, response) {
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try {
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const sampled = getSampleResponse(request, server.identity.primaryPort);
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if (!sampled) {
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do_throw(`unexpected ${request.method} request for ${request.path}?${request.queryString}`);
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}
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response.setStatusLine(null, sampled.status.status,
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sampled.status.statusText);
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// send the headers
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for (let headerLine of sampled.sampleHeaders) {
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let headerElements = headerLine.split(":");
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response.setHeader(headerElements[0], headerElements[1].trimLeft());
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}
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// set the server date
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response.setHeader("Date", (new Date(serverTimeMillis)).toUTCString());
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response.write(sampled.responseBody);
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} catch (e) {
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dump(`${e}\n`);
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}
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}
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server.registerPathHandler(changesPath, handleResponse.bind(null, 2000));
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2016-03-15 11:55:23 +03:00
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// set up prefs so the kinto updater talks to the test server
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2016-05-19 13:51:13 +03:00
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Services.prefs.setCharPref(PREF_SETTINGS_SERVER,
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2016-03-15 11:55:23 +03:00
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`http://localhost:${server.identity.primaryPort}/v1`);
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// set some initial values so we can check these are updated appropriately
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2016-04-15 17:50:51 +03:00
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Services.prefs.setIntPref(PREF_LAST_UPDATE, 0);
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Services.prefs.setIntPref(PREF_CLOCK_SKEW_SECONDS, 0);
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Services.prefs.clearUserPref(PREF_LAST_ETAG);
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2018-05-25 00:55:23 +03:00
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2018-06-05 02:32:32 +03:00
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let startTime = Date.now();
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2016-03-15 11:55:23 +03:00
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2018-06-05 02:32:32 +03:00
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// ensure we get the maybeSync call
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2017-05-03 02:29:33 +03:00
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// add a test kinto client that will respond to lastModified information
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// for a collection called 'test-collection'
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2018-03-30 00:38:16 +03:00
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const c = RemoteSettings("test-collection", {
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2018-03-13 18:23:57 +03:00
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bucketName: "test-bucket",
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2017-05-03 02:29:33 +03:00
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});
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2018-06-05 02:32:32 +03:00
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c.maybeSync = () => {};
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const startHistogram = getUptakeTelemetrySnapshot(TELEMETRY_HISTOGRAM_KEY);
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2017-09-29 12:47:27 +03:00
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2018-05-25 00:55:23 +03:00
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let notificationObserved = false;
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2018-06-05 02:32:32 +03:00
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// Ensure that the remote-settings-changes-polled notification works
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let certblockObserver = {
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2017-09-29 12:47:27 +03:00
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observe(aSubject, aTopic, aData) {
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2018-03-13 18:23:57 +03:00
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Services.obs.removeObserver(this, "remote-settings-changes-polled");
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2017-09-29 12:47:27 +03:00
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notificationObserved = true;
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}
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};
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2018-06-05 02:32:32 +03:00
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Services.obs.addObserver(certblockObserver, "remote-settings-changes-polled");
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2016-03-15 11:55:23 +03:00
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2018-06-05 02:32:32 +03:00
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await RemoteSettings.pollChanges();
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2017-09-29 12:47:27 +03:00
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2018-05-25 00:55:23 +03:00
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Assert.ok(notificationObserved, "a notification should have been observed");
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2018-06-05 02:32:32 +03:00
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2016-03-15 11:55:23 +03:00
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// check the last_update is updated
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2018-06-05 02:32:32 +03:00
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Assert.equal(Services.prefs.getIntPref(PREF_LAST_UPDATE), 2);
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2016-03-15 11:55:23 +03:00
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2018-06-05 02:32:32 +03:00
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// How does the clock difference look?
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let endTime = Date.now();
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let clockDifference = Services.prefs.getIntPref(PREF_CLOCK_SKEW_SECONDS);
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// we previously set the serverTime to 2 (seconds past epoch)
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Assert.ok(clockDifference <= endTime / 1000
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&& clockDifference >= Math.floor(startTime / 1000) - 2);
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// Last timestamp was saved. An ETag header value is a quoted string.
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let lastEtag = Services.prefs.getCharPref(PREF_LAST_ETAG);
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Assert.equal(lastEtag, "\"1100\"");
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2016-04-15 17:50:51 +03:00
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// Simulate a poll with up-to-date collection.
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2018-06-05 02:32:32 +03:00
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Services.prefs.setIntPref(PREF_LAST_UPDATE, 0);
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2016-04-15 17:50:51 +03:00
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// If server has no change, a 304 is received, maybeSync() is not called.
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2018-06-05 02:32:32 +03:00
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c.maybeSync = () => { throw new Error("Should not be called"); };
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2018-03-13 18:23:57 +03:00
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await RemoteSettings.pollChanges();
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2016-04-15 17:50:51 +03:00
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// Last update is overwritten
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2018-06-05 02:32:32 +03:00
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Assert.equal(Services.prefs.getIntPref(PREF_LAST_UPDATE), 2);
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2016-04-15 17:50:51 +03:00
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// Simulate a server error.
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2017-01-10 20:09:02 +03:00
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function simulateErrorResponse(request, response) {
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2016-04-15 17:50:51 +03:00
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response.setHeader("Date", (new Date(3000)).toUTCString());
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response.setHeader("Content-Type", "application/json; charset=UTF-8");
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response.write(JSON.stringify({
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code: 503,
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errno: 999,
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error: "Service Unavailable",
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}));
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response.setStatusLine(null, 503, "Service Unavailable");
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}
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2018-06-05 02:32:32 +03:00
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server.registerPathHandler(changesPath, simulateErrorResponse);
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2017-03-22 13:27:17 +03:00
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2018-03-13 18:23:57 +03:00
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// pollChanges() fails with adequate error and no notification.
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2016-04-15 17:50:51 +03:00
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let error;
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2018-06-05 02:32:32 +03:00
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notificationObserved = false;
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Services.obs.addObserver(certblockObserver, "remote-settings-changes-polled");
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2016-04-15 17:50:51 +03:00
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try {
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2018-03-13 18:23:57 +03:00
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await RemoteSettings.pollChanges();
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2016-04-15 17:50:51 +03:00
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} catch (e) {
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error = e;
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}
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2017-12-21 13:08:17 +03:00
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Assert.ok(!notificationObserved, "a notification should not have been observed");
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Assert.ok(/Polling for changes failed/.test(error.message));
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2018-06-05 02:32:32 +03:00
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// When an error occurs, last update was not overwritten (see Date header above).
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Assert.equal(Services.prefs.getIntPref(PREF_LAST_UPDATE), 2);
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2018-05-25 00:55:23 +03:00
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// check negative clock skew times
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2018-06-05 02:32:32 +03:00
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2016-04-20 17:37:43 +03:00
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// set to a time in the future
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2018-06-05 02:32:32 +03:00
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server.registerPathHandler(changesPath, handleResponse.bind(null, Date.now() + 10000));
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2016-04-20 17:37:43 +03:00
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2018-03-13 18:23:57 +03:00
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await RemoteSettings.pollChanges();
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2016-04-20 17:37:43 +03:00
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clockDifference = Services.prefs.getIntPref(PREF_CLOCK_SKEW_SECONDS);
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// we previously set the serverTime to Date.now() + 10000 ms past epoch
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2017-12-21 13:08:17 +03:00
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Assert.ok(clockDifference <= 0 && clockDifference >= -10);
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2017-01-19 17:40:26 +03:00
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2018-06-05 02:32:32 +03:00
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//
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// Backoff
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//
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2017-01-19 17:40:26 +03:00
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function simulateBackoffResponse(request, response) {
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response.setHeader("Content-Type", "application/json; charset=UTF-8");
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response.setHeader("Backoff", "10");
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response.write(JSON.stringify({data: []}));
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response.setStatusLine(null, 200, "OK");
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}
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2018-06-05 02:32:32 +03:00
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server.registerPathHandler(changesPath, simulateBackoffResponse);
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2017-01-19 17:40:26 +03:00
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// First will work.
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2018-03-13 18:23:57 +03:00
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await RemoteSettings.pollChanges();
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2017-01-19 17:40:26 +03:00
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// Second will fail because we haven't waited.
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try {
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2018-03-13 18:23:57 +03:00
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await RemoteSettings.pollChanges();
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2017-01-19 17:40:26 +03:00
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// The previous line should have thrown an error.
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2017-12-21 13:08:17 +03:00
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Assert.ok(false);
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2017-01-19 17:40:26 +03:00
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} catch (e) {
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2017-12-21 13:08:17 +03:00
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Assert.ok(/Server is asking clients to back off; retry in \d+s./.test(e.message));
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2017-01-19 17:40:26 +03:00
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}
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// Once backoff time has expired, polling for changes can start again.
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2018-06-05 02:32:32 +03:00
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server.registerPathHandler(changesPath, handleResponse.bind(null, 2000));
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2017-01-19 17:40:26 +03:00
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Services.prefs.setCharPref(PREF_SETTINGS_SERVER_BACKOFF, `${Date.now() - 1000}`);
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2018-03-13 18:23:57 +03:00
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await RemoteSettings.pollChanges();
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2017-01-19 17:40:26 +03:00
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// Backoff tracking preference was cleared.
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2017-12-21 13:08:17 +03:00
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Assert.ok(!Services.prefs.prefHasUserValue(PREF_SETTINGS_SERVER_BACKOFF));
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2017-03-22 13:27:17 +03:00
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// Simulate a network error (to check telemetry report).
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Services.prefs.setCharPref(PREF_SETTINGS_SERVER, "http://localhost:42/v1");
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try {
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2018-03-13 18:23:57 +03:00
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await RemoteSettings.pollChanges();
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2017-03-22 13:27:17 +03:00
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} catch (e) {}
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2018-05-25 00:55:23 +03:00
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const endHistogram = getUptakeTelemetrySnapshot(TELEMETRY_HISTOGRAM_KEY);
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2018-06-05 02:32:32 +03:00
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// ensure that we've accumulated the correct telemetry
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2017-03-22 13:27:17 +03:00
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const expectedIncrements = {
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2018-06-05 02:32:32 +03:00
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[UptakeTelemetry.STATUS.UP_TO_DATE]: 4,
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[UptakeTelemetry.STATUS.SUCCESS]: 1,
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[UptakeTelemetry.STATUS.BACKOFF]: 1,
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[UptakeTelemetry.STATUS.SERVER_ERROR]: 1,
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2017-03-22 13:27:17 +03:00
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[UptakeTelemetry.STATUS.NETWORK_ERROR]: 1,
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2018-06-05 02:32:32 +03:00
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[UptakeTelemetry.STATUS.UNKNOWN_ERROR]: 0,
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2017-03-22 13:27:17 +03:00
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};
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checkUptakeTelemetry(startHistogram, endHistogram, expectedIncrements);
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2016-03-15 11:55:23 +03:00
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});
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2018-06-05 02:32:32 +03:00
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function run_test() {
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// Set up an HTTP Server
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server = new HttpServer();
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server.start(-1);
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2016-03-15 11:55:23 +03:00
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2018-06-05 02:32:32 +03:00
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run_next_test();
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2016-04-15 17:50:51 +03:00
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2018-06-05 02:32:32 +03:00
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registerCleanupFunction(function() {
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server.stop(function() { });
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});
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}
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2016-04-15 17:50:51 +03:00
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2018-06-05 02:32:32 +03:00
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// get a response for a given request from sample data
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function getSampleResponse(req, port) {
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const responses = {
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"GET:/v1/buckets/monitor/collections/changes/records?": {
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"sampleHeaders": [
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"Content-Type: application/json; charset=UTF-8",
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"ETag: \"1100\""
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],
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"status": {status: 200, statusText: "OK"},
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"responseBody": JSON.stringify({"data": [{
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"host": "localhost",
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"last_modified": 1100,
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"bucket": "test-bucket-aurora",
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"id": "330a0c5f-fadf-ff0b-40c8-4eb0d924ff6a",
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"collection": "test-collection"
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}, {
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"host": "localhost",
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"last_modified": 1000,
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"bucket": "test-bucket",
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"id": "254cbb9e-6888-4d9f-8e60-58b74faa8778",
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"collection": "test-collection"
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}]})
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}
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};
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if (req.hasHeader("if-none-match") && req.getHeader("if-none-match", "") == "\"1100\"")
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return {sampleHeaders: [], status: {status: 304, statusText: "Not Modified"}, responseBody: ""};
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return responses[`${req.method}:${req.path}?${req.queryString}`] ||
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responses[req.method];
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}
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