discourse/test/javascripts/widgets/default-notification-item-test.js

import EmberObject from "@ember/object";
import pretender from "helpers/create-pretender";
import { moduleForWidget, widgetTest } from "helpers/widget-test";

moduleForWidget("default-notification-item");

widgetTest("sets notification as read on middle click", {
  template: '{{mount-widget widget="default-notification-item" args=args}}',
  beforeEach() {
    this.set(
      "args",
      EmberObject.create({
        id: 3,
        user_id: 1,
        notification_type: 6,
        read: false,
        created_at: "2020-01-01T12:00:00.000Z",
        post_number: 1,
        topic_id: 10,
        fancy_title: "Greetings!",
        slug: "greetings",
        data: {
          topic_title: "Greetings!",
          original_post_id: 14,
          original_post_type: 1,
          original_username: "discobot",
          revision_number: null,
          display_username: "discobot"
        }
      })
    );
  },
  async test(assert) {
    let requests = 0;
    pretender.put("/notifications/mark-read", request => {
      ++requests;

      assert.equal(
        request.requestBody,
        `id=${this.args.id}`,
        "it sets correct request parameters"
      );

      return [200, { "Content-Type": "application/json" }, { success: true }];
    });

    assert.equal(find("li.read").length, 0);

    await $(document).trigger(
      $.Event("mouseup", {
        target: find("li")[0],
        button: 1,
        which: 2
      })
    );

    assert.equal(find("li.read").length, 1);
    assert.equal(requests, 1);
  }
});