Prepare for repo merge

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

test/unit-tests/components/views/spaces/QuickThemeSwitcher-test.tsx

@@ -0,0 +1,126 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2022 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 { render, screen, waitFor } from "jest-matrix-react";
+import userEvent from "@testing-library/user-event";
+import { mocked } from "jest-mock";
+
+import QuickThemeSwitcher from "../../../../src/components/views/spaces/QuickThemeSwitcher";
+import { getOrderedThemes } from "../../../../src/theme";
+import SettingsStore from "../../../../src/settings/SettingsStore";
+import { SettingLevel } from "../../../../src/settings/SettingLevel";
+import dis from "../../../../src/dispatcher/dispatcher";
+import { Action } from "../../../../src/dispatcher/actions";
+import { mockPlatformPeg } from "../../../test-utils/platform";
+import { useTheme } from "../../../../src/hooks/useTheme";
+
+jest.mock("../../../../src/hooks/useTheme", () => ({
+    useTheme: jest.fn(),
+}));
+jest.mock("../../../../src/theme");
+jest.mock("../../../../src/settings/SettingsStore", () => ({
+    setValue: jest.fn(),
+    getValue: jest.fn(),
+    monitorSetting: jest.fn(),
+    watchSetting: jest.fn(),
+}));
+
+jest.mock("../../../../src/dispatcher/dispatcher", () => ({
+    dispatch: jest.fn(),
+    register: jest.fn(),
+}));
+
+mockPlatformPeg({ overrideBrowserShortcuts: jest.fn().mockReturnValue(false) });
+
+describe("<QuickThemeSwitcher />", () => {
+    const defaultProps = {
+        requestClose: jest.fn(),
+    };
+    const renderComponent = (props = {}) => render(<QuickThemeSwitcher {...defaultProps} {...props} />);
+
+    beforeEach(() => {
+        mocked(getOrderedThemes)
+            .mockClear()
+            .mockReturnValue([
+                { id: "light", name: "Light" },
+                { id: "dark", name: "Dark" },
+            ]);
+
+        mocked(useTheme).mockClear().mockReturnValue({
+            theme: "light",
+            systemThemeActivated: false,
+        });
+        mocked(SettingsStore).setValue.mockClear().mockResolvedValue();
+        mocked(dis).dispatch.mockClear();
+    });
+
+    const selectFromDropdown = async (getByTextArg: RegExp | string) => {
+        const dropdown = screen.getByRole("button", { name: "Theme" });
+        await userEvent.click(dropdown);
+        await waitFor(() => {
+            expect(dropdown).toHaveAttribute("aria-expanded", "true");
+        });
+        await userEvent.click(screen.getByText(getByTextArg));
+        return waitFor(() => {
+            expect(dropdown).toHaveAttribute("aria-expanded", "false");
+        });
+    };
+
+    it("renders dropdown correctly when light theme is selected", () => {
+        renderComponent();
+        expect(screen.getByText("Light")).toBeInTheDocument();
+    });
+
+    it("renders dropdown correctly when use system theme is truthy", () => {
+        mocked(useTheme).mockClear().mockReturnValue({
+            theme: "light",
+            systemThemeActivated: true,
+        });
+        renderComponent();
+        expect(screen.getByText("Match system")).toBeInTheDocument();
+    });
+
+    it("updates settings when match system is selected", async () => {
+        const requestClose = jest.fn();
+        renderComponent({ requestClose });
+
+        await selectFromDropdown(/match system/i);
+
+        expect(SettingsStore.setValue).toHaveBeenCalledTimes(1);
+        expect(SettingsStore.setValue).toHaveBeenCalledWith("use_system_theme", null, SettingLevel.DEVICE, true);
+
+        expect(dis.dispatch).not.toHaveBeenCalled();
+        expect(requestClose).toHaveBeenCalled();
+    });
+
+    it("updates settings when a theme is selected", async () => {
+        // ie not match system
+        const requestClose = jest.fn();
+        renderComponent({ requestClose });
+
+        await selectFromDropdown(/dark/i);
+
+        expect(SettingsStore.setValue).toHaveBeenCalledWith("use_system_theme", null, SettingLevel.DEVICE, false);
+        expect(SettingsStore.setValue).toHaveBeenCalledWith("theme", null, SettingLevel.DEVICE, "dark");
+
+        expect(dis.dispatch).toHaveBeenCalledWith({ action: Action.RecheckTheme, forceTheme: "dark" });
+        expect(requestClose).toHaveBeenCalled();
+    });
+
+    it("rechecks theme when setting theme fails", async () => {
+        mocked(SettingsStore.setValue).mockRejectedValue("oops");
+        const requestClose = jest.fn();
+        renderComponent({ requestClose });
+
+        await selectFromDropdown(/match system/i);
+
+        expect(dis.dispatch).toHaveBeenCalledWith({ action: Action.RecheckTheme });
+        expect(requestClose).toHaveBeenCalled();
+    });
+});