discourse/plugins/chat/test/javascripts/components/chat-user-card-button-test.gjs

import { getOwner } from "@ember/owner";
import { render } from "@ember/test-helpers";
import { module, test } from "qunit";
import sinon from "sinon";
import CoreFabricators from "discourse/lib/fabricators";
import { setupRenderingTest } from "discourse/tests/helpers/component-test";
import DirectMessageButton from "discourse/plugins/chat/discourse/components/chat/direct-message-button";

module("Component | <Chat::DirectMessageButton />", function (hooks) {
  setupRenderingTest(hooks);

  test("when current user can send direct messages", async function (assert) {
    sinon
      .stub(this.owner.lookup("service:chat"), "userCanDirectMessage")
      .value(true);
    this.user = new CoreFabricators(getOwner(this)).user();

    await render(
      <template>
        <DirectMessageButton @user={{this.user}} @modal={{true}} />
      </template>
    );

    assert.dom(".chat-direct-message-btn").exists("it shows the chat button");
  });

  test("when current user can’t send direct messages", async function (assert) {
    sinon
      .stub(this.owner.lookup("service:chat"), "userCanDirectMessage")
      .value(false);
    this.user = new CoreFabricators(getOwner(this)).user();

    await render(
      <template>
        <DirectMessageButton @user={{this.user}} @modal={{true}} />
      </template>
    );

    assert
      .dom(".chat-direct-message-btn")
      .doesNotExist("it doesn’t show the chat button");
  });
});