DEV: Allow onStateChange callbacks for PM topic tracking state. (#14479)

The changes here are in anticipation of a private plugin that will soon be merged into Discourse core.
2021-10-05 14:12:01 +08:00
parent d82e5cd37c
commit 085eb56ea4
2 changed files with 45 additions and 3 deletions
@@ -0,0 +1,32 @@
+import { test } from "qunit";
+import { discourseModule } from "discourse/tests/helpers/qunit-helpers";
+import MessageBus from "message-bus-client";
+import PrivateMessageTopicTrackingState from "discourse/models/private-message-topic-tracking-state";
+import User from "discourse/models/user";
+
+discourseModule(
+  "Unit | Model | private-message-topic-tracking-state",
+  function (hooks) {
+    let pmTopicTrackingState;
+
+    hooks.beforeEach(function () {
+      pmTopicTrackingState = PrivateMessageTopicTrackingState.create({
+        messageBus: MessageBus,
+        currentUser: User.create({ id: 1, username: "test" }),
+      });
+    });
+
+    test("modifying state calls onStateChange callbacks", function (assert) {
+      let callbackCalled = false;
+
+      pmTopicTrackingState.onStateChange("testing", () => {
+        callbackCalled = true;
+      });
+
+      pmTopicTrackingState.set("isTracking", true);
+      pmTopicTrackingState.removeTopics([]);
+
+      assert.ok(callbackCalled);
+    });
+  }
+);