Prepare for repo merge

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

test/unit-tests/components/views/emojipicker/EmojiPicker-test.tsx

@@ -0,0 +1,93 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
+Please see LICENSE files in the repository root for full details.
+*/
+
+import React, { createRef } from "react";
+import { render, waitFor } from "jest-matrix-react";
+import userEvent from "@testing-library/user-event";
+
+import EmojiPicker from "../../../../src/components/views/emojipicker/EmojiPicker";
+import { stubClient } from "../../../test-utils";
+
+describe("EmojiPicker", function () {
+    stubClient();
+
+    it("should not mangle default order after filtering", async () => {
+        const ref = createRef<EmojiPicker>();
+        const { container } = render(
+            <EmojiPicker ref={ref} onChoose={(str: string) => false} onFinished={jest.fn()} />,
+        );
+
+        // Record the HTML before filtering
+        const beforeHtml = container.innerHTML;
+
+        // Apply a filter and assert that the HTML has changed
+        //@ts-ignore private access
+        ref.current!.onChangeFilter("test");
+        expect(beforeHtml).not.toEqual(container.innerHTML);
+
+        // Clear the filter and assert that the HTML matches what it was before filtering
+        //@ts-ignore private access
+        ref.current!.onChangeFilter("");
+        await waitFor(() => expect(beforeHtml).toEqual(container.innerHTML));
+    });
+
+    it("sort emojis by shortcode and size", function () {
+        const ep = new EmojiPicker({ onChoose: (str: string) => false, onFinished: jest.fn() });
+
+        //@ts-ignore private access
+        ep.onChangeFilter("heart");
+
+        //@ts-ignore private access
+        expect(ep.memoizedDataByCategory["people"][0].shortcodes[0]).toEqual("heart");
+        //@ts-ignore private access
+        expect(ep.memoizedDataByCategory["people"][1].shortcodes[0]).toEqual("heartbeat");
+    });
+
+    it("should allow keyboard navigation using arrow keys", async () => {
+        // mock offsetParent
+        Object.defineProperty(HTMLElement.prototype, "offsetParent", {
+            get() {
+                return this.parentNode;
+            },
+        });
+
+        const onChoose = jest.fn();
+        const onFinished = jest.fn();
+        const { container } = render(<EmojiPicker onChoose={onChoose} onFinished={onFinished} />);
+
+        const input = container.querySelector("input")!;
+        expect(input).toHaveFocus();
+
+        function getEmoji(): string {
+            const activeDescendant = input.getAttribute("aria-activedescendant");
+            return container.querySelector("#" + activeDescendant)!.textContent!;
+        }
+
+        expect(getEmoji()).toEqual("😀");
+        await userEvent.keyboard("[ArrowDown]");
+        expect(getEmoji()).toEqual("🙂");
+        await userEvent.keyboard("[ArrowUp]");
+        expect(getEmoji()).toEqual("😀");
+        await userEvent.keyboard("Flag");
+        await userEvent.keyboard("[ArrowRight]");
+        await userEvent.keyboard("[ArrowRight]");
+        expect(getEmoji()).toEqual("📫️");
+        await userEvent.keyboard("[ArrowDown]");
+        expect(getEmoji()).toEqual("🇦🇨");
+        await userEvent.keyboard("[ArrowLeft]");
+        expect(getEmoji()).toEqual("📭️");
+        await userEvent.keyboard("[ArrowUp]");
+        expect(getEmoji()).toEqual("⛳️");
+        await userEvent.keyboard("[ArrowRight]");
+        expect(getEmoji()).toEqual("📫️");
+        await userEvent.keyboard("[Enter]");
+
+        expect(onChoose).toHaveBeenCalledWith("📫️");
+        expect(onFinished).toHaveBeenCalled();
+    });
+});