DEV: Move discourse-chat to the core repo. (#18776)

As part of this move, we are also renaming `discourse-chat` to `chat`.

plugins/chat/test/javascripts/acceptance/mobile-chat-test.js

@@ -0,0 +1,57 @@
+import {
+  acceptance,
+  exists,
+  loggedInUser,
+} from "discourse/tests/helpers/qunit-helpers";
+import { click, currentURL, visit } from "@ember/test-helpers";
+import {
+  chatChannels,
+  generateChatView,
+} from "discourse/plugins/chat/chat-fixtures";
+import { test } from "qunit";
+
+acceptance("Discourse Chat - Mobile test", function (needs) {
+  needs.user({ can_chat: true, has_chat_enabled: true });
+
+  needs.mobileView();
+
+  needs.pretender((server, helper) => {
+    server.get("/chat/chat_channels.json", () => helper.response(chatChannels));
+    server.get("/chat/:id/messages.json", () =>
+      helper.response(generateChatView(loggedInUser()))
+    );
+    server.get("/u/search/users", () => {
+      return helper.response([]);
+    });
+  });
+
+  needs.settings({
+    chat_enabled: true,
+  });
+
+  test("Chat index route shows channels list", async function (assert) {
+    await visit("/latest");
+    await click(".header-dropdown-toggle.open-chat");
+    assert.equal(currentURL(), "/chat");
+    assert.ok(exists(".channels-list"));
+    await click(".chat-channel-row.chat-channel-7");
+    assert.notOk(exists(".chat-full-screen-button"));
+  });
+
+  test("Chat new personal chat buttons", async function (assert) {
+    await visit("/chat");
+    await click(".new-dm.btn-floating");
+    assert.strictEqual(
+      currentURL(),
+      "/chat/draft-channel",
+      "Clicking the floating + button opens the new chat screen"
+    );
+
+    await click(".chat-draft-header__btn");
+    assert.strictEqual(
+      currentURL(),
+      "/chat",
+      "Clicking the left arrow button returns to the channels list"
+    );
+  });
+});