1 files changed, 78 insertions, 0 deletions
diff --git a/services/sync/tests/unit/test_forms_tracker.js b/services/sync/tests/unit/test_forms_tracker.js
new file mode 100644
index 0000000000..aee74381ad
--- /dev/null
+++ b/services/sync/tests/unit/test_forms_tracker.js
@@ -0,0 +1,78 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const { FormEngine } = ChromeUtils.importESModule(
+  "resource://services-sync/engines/forms.sys.mjs"
+);
+const { Service } = ChromeUtils.importESModule(
+  "resource://services-sync/service.sys.mjs"
+);
+
+add_task(async function run_test() {
+  _("Verify we've got an empty tracker to work with.");
+  let engine = new FormEngine(Service);
+  await engine.initialize();
+  let tracker = engine._tracker;
+
+  let changes = await tracker.getChangedIDs();
+  do_check_empty(changes);
+  Log.repository.rootLogger.addAppender(new Log.DumpAppender());
+
+  async function addEntry(name, value) {
+    await engine._store.create({ name, value });
+    await engine._tracker.asyncObserver.promiseObserversComplete();
+  }
+  async function removeEntry(name, value) {
+    let guid = await engine._findDupe({ name, value });
+    await engine._store.remove({ id: guid });
+    await engine._tracker.asyncObserver.promiseObserversComplete();
+  }
+
+  try {
+    _("Create an entry. Won't show because we haven't started tracking yet");
+    await addEntry("name", "John Doe");
+    changes = await tracker.getChangedIDs();
+    do_check_empty(changes);
+
+    _("Tell the tracker to start tracking changes.");
+    tracker.start();
+    await removeEntry("name", "John Doe");
+    await addEntry("email", "john@doe.com");
+    changes = await tracker.getChangedIDs();
+    do_check_attribute_count(changes, 2);
+
+    _("Notifying twice won't do any harm.");
+    tracker.start();
+    await addEntry("address", "Memory Lane");
+    changes = await tracker.getChangedIDs();
+    do_check_attribute_count(changes, 3);
+
+    _("Check that ignoreAll is respected");
+    await tracker.clearChangedIDs();
+    tracker.score = 0;
+    tracker.ignoreAll = true;
+    await addEntry("username", "johndoe123");
+    await addEntry("favoritecolor", "green");
+    await removeEntry("name", "John Doe");
+    tracker.ignoreAll = false;
+    changes = await tracker.getChangedIDs();
+    do_check_empty(changes);
+    equal(tracker.score, 0);
+
+    _("Let's stop tracking again.");
+    await tracker.clearChangedIDs();
+    await tracker.stop();
+    await removeEntry("address", "Memory Lane");
+    changes = await tracker.getChangedIDs();
+    do_check_empty(changes);
+
+    _("Notifying twice won't do any harm.");
+    await tracker.stop();
+    await removeEntry("email", "john@doe.com");
+    changes = await tracker.getChangedIDs();
+    do_check_empty(changes);
+  } finally {
+    _("Clean up.");
+    await engine._store.wipe();
+  }
+});