Prepare for repo merge

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

test/unit-tests/components/structures/ReleaseAnnouncement-test.tsx

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2024 New Vector Ltd.
+ * Copyright 2024 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 from "react";
+import { act, render, screen, waitFor } from "jest-matrix-react";
+
+import { ReleaseAnnouncement } from "../../../src/components/structures/ReleaseAnnouncement";
+import Modal, { ModalManagerEvent } from "../../../src/Modal";
+import { ReleaseAnnouncementStore } from "../../../src/stores/ReleaseAnnouncementStore";
+
+describe("ReleaseAnnouncement", () => {
+    beforeEach(async () => {
+        // Reset the singleton instance of the ReleaseAnnouncementStore
+        // @ts-ignore
+        ReleaseAnnouncementStore.internalInstance = new ReleaseAnnouncementStore();
+    });
+
+    function renderReleaseAnnouncement() {
+        return render(
+            <ReleaseAnnouncement
+                feature="threadsActivityCentre"
+                header="header"
+                description="description"
+                closeLabel="close"
+            >
+                <div>content</div>
+            </ReleaseAnnouncement>,
+        );
+    }
+
+    test("render the release announcement and close it", async () => {
+        renderReleaseAnnouncement();
+
+        // The release announcement is displayed
+        expect(screen.queryByRole("dialog", { name: "header" })).toBeVisible();
+        // Click on the close button in the release announcement
+        screen.getByRole("button", { name: "close" }).click();
+        // The release announcement should be hidden after the close button is clicked
+        await waitFor(() => expect(screen.queryByRole("dialog", { name: "header" })).toBeNull());
+    });
+
+    test("when a dialog is opened, the release announcement should not be displayed", async () => {
+        renderReleaseAnnouncement();
+        // The release announcement is displayed
+        expect(screen.queryByRole("dialog", { name: "header" })).toBeVisible();
+
+        // Open a dialog
+        act(() => {
+            Modal.emit(ModalManagerEvent.Opened);
+        });
+        // The release announcement should be hidden after the dialog is opened
+        expect(screen.queryByRole("dialog", { name: "header" })).toBeNull();
+
+        // Close the dialog
+        act(() => {
+            Modal.emit(ModalManagerEvent.Closed);
+        });
+        // The release announcement should be displayed after the dialog is closed
+        expect(screen.queryByRole("dialog", { name: "header" })).toBeVisible();
+    });
+});