1 files changed, 76 insertions, 0 deletions
diff --git a/toolkit/components/places/tests/unit/test_frecency_observers.js b/toolkit/components/places/tests/unit/test_frecency_observers.js
new file mode 100644
index 0000000000..0d1a166e26
--- /dev/null
+++ b/toolkit/components/places/tests/unit/test_frecency_observers.js
@@ -0,0 +1,76 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Each of these tests a path that triggers a frecency update.  Together they
+// hit all sites that update a frecency.
+
+// InsertVisitedURIs::UpdateFrecency and History::InsertPlace
+add_task(
+  async function test_InsertVisitedURIs_UpdateFrecency_and_History_InsertPlace() {
+    // InsertPlace is at the end of a path that UpdateFrecency is also on, so kill
+    // two birds with one stone and expect two notifications.  Trigger the path by
+    // adding a download.
+    let url = Services.io.newURI("http://example.com/a");
+    let promise = onRankingChanged();
+    await PlacesUtils.history.insert({
+      url,
+      visits: [
+        {
+          transition: PlacesUtils.history.TRANSITIONS.DOWNLOAD,
+        },
+      ],
+    });
+    await promise;
+  }
+);
+
+// nsNavHistory::UpdateFrecency
+add_task(async function test_nsNavHistory_UpdateFrecency() {
+  let url = Services.io.newURI("http://example.com/b");
+  let promise = onRankingChanged();
+  await PlacesUtils.bookmarks.insert({
+    parentGuid: PlacesUtils.bookmarks.unfiledGuid,
+    url,
+    title: "test",
+  });
+  await promise;
+});
+
+// History.jsm invalidateFrecencies()
+add_task(async function test_invalidateFrecencies() {
+  let url = Services.io.newURI("http://test-invalidateFrecencies.com/");
+  // Bookmarking the URI is enough to add it to moz_places, and importantly, it
+  // means that removeByFilter doesn't remove it from moz_places, so its
+  // frecency is able to be changed.
+  await PlacesUtils.bookmarks.insert({
+    parentGuid: PlacesUtils.bookmarks.unfiledGuid,
+    url,
+    title: "test",
+  });
+  let promise = onRankingChanged();
+  await PlacesUtils.history.removeByFilter({ host: url.host });
+  await promise;
+});
+
+// History.jsm clear()
+add_task(async function test_clear() {
+  await Promise.all([onRankingChanged(), PlacesUtils.history.clear()]);
+});
+
+// nsNavHistory::FixAndDecayFrecency
+add_task(async function test_nsNavHistory_FixAndDecayFrecency() {
+  // Fix and decay frecencies by making nsNavHistory observe the idle-daily
+  // notification.
+  PlacesUtils.history
+    .QueryInterface(Ci.nsIObserver)
+    .observe(null, "idle-daily", "");
+  await Promise.all([onRankingChanged()]);
+});
+
+function onRankingChanged() {
+  return PlacesTestUtils.waitForNotification(
+    "pages-rank-changed",
+    () => true,
+    "places"
+  );
+}