.

src/jio.storage/liststorage.js

+/*global define, jIO */
+
+/*jslint nomen: true*/
+(function (jIO) {
+  "use strict";
+
+  function randomId() {
+    // https://gist.github.com/gordonbrander/2230317
+    return '_' + Math.random().toString(36).substr(2, 9);
+  }
+
+  function ListStorage(spec) {
+    this._sub_storage = jIO.createJIO(spec.sub_storage);
+    this._signature_storage = jIO.createJIO({
+      "type": "indexeddb",
+      "database": randomId()
+    });
+    this._signature_storage.post("_", {
+      list: []
+    });
+  }
+
+  ListStorage.prototype.post = function () {
+    console.log('alright alright alright alright alright ok now ladies');
+    var id = this._sub_storage.post.apply(this._sub_storage, arguments),
+      updated_list = this._signature_storage.get("_").list.concat(id);
+    this._signature_storage.put("_", {list: updated_list});
+  };
+
+  ListStorage.prototype.get = function () {
+    return this._sub_storage.get.apply(this._sub_storage, arguments);
+  };
+
+  ListStorage.prototype.put = function () {
+    return this._sub_storage.put.apply(this._sub_storage, arguments);
+  };
+
+  ListStorage.prototype.remove = function (id) {
+    var updated_list = this._signature_storage.get("_")
+      .list.filter(function (x) { return x !== id; });
+    this._signature_storage.put("_", { list: updated_list });
+  };
+
+  ListStorage.prototype.list = function () {
+    return this._sub_storage.get("_").list;
+  };
+
+  jIO.addStorage("list", ListStorage);
+}(jIO));

test/jio.storage/liststorage.tests.js

+
+(function (jIO, RSVP, QUnit) {
+  "use strict";
+
+  QUnit.module("ListStorage");
+
+  QUnit.test('Constructor does not crash', function () {
+    jIO.createJIO({
+      type: "list",
+      sub_storage: {
+        type: "memory"
+      }
+    });
+    QUnit.expect(0);
+  });
+
+  // line is too long (>80) if I don't do this weird indenting
+  QUnit.test(
+    "Storage list method returns ordered list of ids",
+    function (assert) {
+      var storage = jIO.createJIO({
+        type: "list",
+        sub_storage: {
+          type: "uuid",
+          sub_storage: {
+            type: "memory",
+          }
+        }
+      }),
+        ids = RSVP.all([storage.post(), storage.post(), storage.post()]);
+
+
+      ids.then(function (values) {
+      });
+    }
+  );
+
+}(jIO, RSVP, QUnit));