1 files changed, 84 insertions, 0 deletions
diff --git a/browser/modules/test/browser_UsageTelemetry_content_aboutHome.js b/browser/modules/test/browser_UsageTelemetry_content_aboutHome.js
new file mode 100644
index 000000000..1818ae5fd
--- /dev/null
+++ b/browser/modules/test/browser_UsageTelemetry_content_aboutHome.js
@@ -0,0 +1,84 @@
+"use strict";
+
+const SCALAR_ABOUT_HOME = "browser.engagement.navigation.about_home";
+
+add_task(function* setup() {
+  // about:home uses IndexedDB. However, the test finishes too quickly and doesn't
+  // allow it enougth time to save. So it throws. This disables all the uncaught
+  // exception in this file and that's the reason why we split about:home tests
+  // out of the other UsageTelemetry files.
+  ignoreAllUncaughtExceptions();
+
+  // Create two new search engines. Mark one as the default engine, so
+  // the test don't crash. We need to engines for this test as the searchbar
+  // in content doesn't display the default search engine among the one-off engines.
+  Services.search.addEngineWithDetails("MozSearch", "", "mozalias", "", "GET",
+                                       "http://example.com/?q={searchTerms}");
+
+  Services.search.addEngineWithDetails("MozSearch2", "", "mozalias2", "", "GET",
+                                       "http://example.com/?q={searchTerms}");
+
+  // Make the first engine the default search engine.
+  let engineDefault = Services.search.getEngineByName("MozSearch");
+  let originalEngine = Services.search.currentEngine;
+  Services.search.currentEngine = engineDefault;
+
+  // Move the second engine at the beginning of the one-off list.
+  let engineOneOff = Services.search.getEngineByName("MozSearch2");
+  Services.search.moveEngine(engineOneOff, 0);
+
+  // Enable Extended Telemetry.
+  yield SpecialPowers.pushPrefEnv({"set": [["toolkit.telemetry.enabled", true]]});
+
+  // Make sure to restore the engine once we're done.
+  registerCleanupFunction(function* () {
+    Services.search.currentEngine = originalEngine;
+    Services.search.removeEngine(engineDefault);
+    Services.search.removeEngine(engineOneOff);
+  });
+});
+
+add_task(function* test_abouthome_simpleQuery() {
+  // Let's reset the counts.
+  Services.telemetry.clearScalars();
+  Services.telemetry.clearEvents();
+  let search_hist = getSearchCountsHistogram();
+
+  let tab = yield BrowserTestUtils.openNewForegroundTab(gBrowser);
+
+  info("Setup waiting for AboutHomeLoadSnippetsCompleted.");
+  let promiseAboutHomeLoaded = new Promise(resolve => {
+    tab.linkedBrowser.addEventListener("AboutHomeLoadSnippetsCompleted", function loadListener(event) {
+      tab.linkedBrowser.removeEventListener("AboutHomeLoadSnippetsCompleted", loadListener, true);
+      resolve();
+    }, true, true);
+  });
+
+  info("Load about:home.");
+  tab.linkedBrowser.loadURI("about:home");
+  info("Wait for AboutHomeLoadSnippetsCompleted.");
+  yield promiseAboutHomeLoaded;
+
+  info("Trigger a simple serch, just test + enter.");
+  let p = BrowserTestUtils.browserLoaded(tab.linkedBrowser);
+  yield typeInSearchField(tab.linkedBrowser, "test query", "searchText");
+  yield BrowserTestUtils.synthesizeKey("VK_RETURN", {}, tab.linkedBrowser);
+  yield p;
+
+  // Check if the scalars contain the expected values.
+  const scalars =
+    Services.telemetry.snapshotKeyedScalars(Ci.nsITelemetry.DATASET_RELEASE_CHANNEL_OPTIN, false);
+  checkKeyedScalar(scalars, SCALAR_ABOUT_HOME, "search_enter", 1);
+  Assert.equal(Object.keys(scalars[SCALAR_ABOUT_HOME]).length, 1,
+               "This search must only increment one entry in the scalar.");
+
+  // Make sure SEARCH_COUNTS contains identical values.
+  checkKeyedHistogram(search_hist, 'other-MozSearch.abouthome', 1);
+
+  // Also check events.
+  let events = Services.telemetry.snapshotBuiltinEvents(Ci.nsITelemetry.DATASET_RELEASE_CHANNEL_OPTIN, false);
+  events = events.filter(e => e[1] == "navigation" && e[2] == "search");
+  checkEvents(events, [["navigation", "search", "about_home", "enter", {engine: "other-MozSearch"}]]);
+
+  yield BrowserTestUtils.removeTab(tab);
+});