1 files changed, 124 insertions, 0 deletions
diff --git a/services/sync/modules-testing/rotaryengine.js b/services/sync/modules-testing/rotaryengine.js
new file mode 100644
index 000000000..9d3bf723d
--- /dev/null
+++ b/services/sync/modules-testing/rotaryengine.js
@@ -0,0 +1,124 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+this.EXPORTED_SYMBOLS = [
+  "RotaryEngine",
+  "RotaryRecord",
+  "RotaryStore",
+  "RotaryTracker",
+];
+
+var {utils: Cu} = Components;
+
+Cu.import("resource://services-sync/engines.js");
+Cu.import("resource://services-sync/record.js");
+Cu.import("resource://services-sync/util.js");
+
+/*
+ * A fake engine implementation.
+ * This is used all over the place.
+ *
+ * Complete with record, store, and tracker implementations.
+ */
+
+this.RotaryRecord = function RotaryRecord(collection, id) {
+  CryptoWrapper.call(this, collection, id);
+}
+RotaryRecord.prototype = {
+  __proto__: CryptoWrapper.prototype
+};
+Utils.deferGetSet(RotaryRecord, "cleartext", ["denomination"]);
+
+this.RotaryStore = function RotaryStore(name, engine) {
+  Store.call(this, name, engine);
+  this.items = {};
+}
+RotaryStore.prototype = {
+  __proto__: Store.prototype,
+
+  create: function create(record) {
+    this.items[record.id] = record.denomination;
+  },
+
+  remove: function remove(record) {
+    delete this.items[record.id];
+  },
+
+  update: function update(record) {
+    this.items[record.id] = record.denomination;
+  },
+
+  itemExists: function itemExists(id) {
+    return (id in this.items);
+  },
+
+  createRecord: function createRecord(id, collection) {
+    let record = new RotaryRecord(collection, id);
+
+    if (!(id in this.items)) {
+      record.deleted = true;
+      return record;
+    }
+
+    record.denomination = this.items[id] || "Data for new record: " + id;
+    return record;
+  },
+
+  changeItemID: function changeItemID(oldID, newID) {
+    if (oldID in this.items) {
+      this.items[newID] = this.items[oldID];
+    }
+
+    delete this.items[oldID];
+  },
+
+  getAllIDs: function getAllIDs() {
+    let ids = {};
+    for (let id in this.items) {
+      ids[id] = true;
+    }
+    return ids;
+  },
+
+  wipe: function wipe() {
+    this.items = {};
+  }
+};
+
+this.RotaryTracker = function RotaryTracker(name, engine) {
+  Tracker.call(this, name, engine);
+}
+RotaryTracker.prototype = {
+  __proto__: Tracker.prototype
+};
+
+
+this.RotaryEngine = function RotaryEngine(service) {
+  SyncEngine.call(this, "Rotary", service);
+  // Ensure that the engine starts with a clean slate.
+  this.toFetch        = [];
+  this.previousFailed = [];
+}
+RotaryEngine.prototype = {
+  __proto__: SyncEngine.prototype,
+  _storeObj: RotaryStore,
+  _trackerObj: RotaryTracker,
+  _recordObj: RotaryRecord,
+
+  _findDupe: function _findDupe(item) {
+    // This is a semaphore used for testing proper reconciling on dupe
+    // detection.
+    if (item.id == "DUPE_INCOMING") {
+      return "DUPE_LOCAL";
+    }
+
+    for (let [id, value] of Object.entries(this._store.items)) {
+      if (item.denomination == value) {
+        return id;
+      }
+    }
+  }
+};