netwerk/test/browser/browser_103_telemetry.js

   1 "use strict";
   2
   3 const { TelemetryTestUtils } = ChromeUtils.importESModule(
   4   "resource://testing-common/TelemetryTestUtils.sys.mjs"
   5 );
   6
   7 Services.prefs.setCharPref("dom.securecontext.allowlist", "example.com");
   8
   9 var kTest103 =
  10   "https://example.com/browser/netwerk/test/browser/103_preload.html";
  11 var kTestNo103 =
  12   "https://example.com/browser/netwerk/test/browser/no_103_preload.html";
  13 var kTest404 =
  14   "https://example.com/browser/netwerk/test/browser/103_preload_and_404.html";
  15
  16 add_task(async function () {
  17   let hist_hints = TelemetryTestUtils.getAndClearHistogram(
  18     "EH_NUM_OF_HINTS_PER_PAGE"
  19   );
  20   let hist_final = TelemetryTestUtils.getAndClearHistogram("EH_FINAL_RESPONSE");
  21   let hist_time = TelemetryTestUtils.getAndClearHistogram(
  22     "EH_TIME_TO_FINAL_RESPONSE"
  23   );
  24
  25   await BrowserTestUtils.openNewForegroundTab(gBrowser, kTest103, true);
  26
  27   // This is a 200 response with 103:
  28   // EH_NUM_OF_HINTS_PER_PAGE should record 1.
  29   // EH_FINAL_RESPONSE should record 1 on position 0 (R2xx).
  30   // EH_TIME_TO_FINAL_RESPONSE should have a new value
  31   //   (we cannot determine what the timing will be therefore we only check that
  32   //    the histogram sum is > 0).
  33   TelemetryTestUtils.assertHistogram(hist_hints, 1, 1);
  34   TelemetryTestUtils.assertHistogram(hist_final, 0, 1);
  35   const snapshot = hist_time.snapshot();
  36   let found = false;
  37   for (let [val] of Object.entries(snapshot.values)) {
  38     if (val > 0) {
  39       found = true;
  40     }
  41   }
  42   Assert.ok(found);
  43
  44   gBrowser.removeCurrentTab();
  45 });
  46
  47 add_task(async function () {
  48   let hist_hints = TelemetryTestUtils.getAndClearHistogram(
  49     "EH_NUM_OF_HINTS_PER_PAGE"
  50   );
  51   let hist_final = TelemetryTestUtils.getAndClearHistogram("EH_FINAL_RESPONSE");
  52   let hist_time = TelemetryTestUtils.getAndClearHistogram(
  53     "EH_TIME_TO_FINAL_RESPONSE"
  54   );
  55
  56   await BrowserTestUtils.openNewForegroundTab(gBrowser, kTestNo103, true);
  57
  58   // This is a 200 response without 103:
  59   // EH_NUM_OF_HINTS_PER_PAGE should record 0.
  60   // EH_FINAL_RESPONSE andd EH_TIME_TO_FINAL_RESPONSE should not be recorded.
  61   TelemetryTestUtils.assertHistogram(hist_hints, 0, 1);
  62   const snapshot_final = hist_final.snapshot();
  63   Assert.equal(snapshot_final.sum, 0);
  64   const snapshot_time = hist_time.snapshot();
  65   let found = false;
  66   for (let [val] of Object.entries(snapshot_time.values)) {
  67     if (val > 0) {
  68       found = true;
  69     }
  70   }
  71   Assert.ok(!found);
  72
  73   gBrowser.removeCurrentTab();
  74 });
  75
  76 add_task(async function () {
  77   let hist_hints = TelemetryTestUtils.getAndClearHistogram(
  78     "EH_NUM_OF_HINTS_PER_PAGE"
  79   );
  80   let hist_final = TelemetryTestUtils.getAndClearHistogram("EH_FINAL_RESPONSE");
  81   let hist_time = TelemetryTestUtils.getAndClearHistogram(
  82     "EH_TIME_TO_FINAL_RESPONSE"
  83   );
  84
  85   await BrowserTestUtils.openNewForegroundTab(gBrowser, kTest404, true);
  86
  87   // This is a 404 response with 103:
  88   // EH_NUM_OF_HINTS_PER_PAGE and EH_TIME_TO_FINAL_RESPONSE should not be recorded.
  89   // EH_FINAL_RESPONSE should record 1 on index 2 (R4xx).
  90   const snapshot_hints = hist_hints.snapshot();
  91   Assert.equal(snapshot_hints.sum, 0);
  92   TelemetryTestUtils.assertHistogram(hist_final, 2, 1);
  93   const snapshot_time = hist_time.snapshot();
  94   let found = false;
  95   for (let [val] of Object.entries(snapshot_time.values)) {
  96     if (val > 0) {
  97       found = true;
  98     }
  99   }
 100   Assert.ok(!found);
 101
 102   gBrowser.removeCurrentTab();
 103 });
 104
 105 add_task(async function cleanup() {
 106   Services.prefs.clearUserPref("dom.securecontext.allowlist");
 107 });