test: add comprehensive tests for hooks and components
Add extensive unit and component tests covering import/export, settings, and provider list functionality, advancing to Sprint 2 of test development. Hook Tests: - useImportExport (11 tests): * File selection success/failure flows * Import process with success/failure/exception paths * Export functionality with error handling * User cancellation scenarios * State management (clear selection, reset status) * Fake timers for async callback testing - useSettingsForm (5 tests): * Settings normalization on initialization * Language persistence from localStorage * Field updates with language sync * Reset functionality with initial language restoration * Optimization to avoid redundant language changes Component Tests: - ProviderList (3 tests): * Loading state with skeleton placeholders * Empty state with create callback * Render order from useDragSort with action callbacks * Props pass-through (isCurrent, isEditMode, dragHandleProps) * Mock ProviderCard to isolate component under test Technical Highlights: - Fake timers (vi.useFakeTimers) for async control - i18n mock with changeLanguage spy - Partial mock of @dnd-kit/sortable using vi.importActual - ProviderCard render spy for props verification - Comprehensive error handling coverage Test Coverage: ✓ 19 new test cases (11 + 5 + 3) ✓ Total: 35 tests passing ✓ Execution time: 865ms ✓ TypeScript: 0 errors Related: Import/export, settings management, provider list rendering Sprint Progress: Sprint 1 complete, Sprint 2 in progress (component tests)
This commit is contained in:
Jason
249
tests/hooks/useImportExport.test.tsx
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249
tests/hooks/useImportExport.test.tsx
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import { renderHook, act } from "@testing-library/react";
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import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
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import { useImportExport } from "@/hooks/useImportExport";
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const toastSuccessMock = vi.fn();
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const toastErrorMock = vi.fn();
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vi.mock("sonner", () => ({
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toast: {
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success: (...args: unknown[]) => toastSuccessMock(...args),
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error: (...args: unknown[]) => toastErrorMock(...args),
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},
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}));
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const openFileDialogMock = vi.fn();
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const importConfigMock = vi.fn();
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const saveFileDialogMock = vi.fn();
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const exportConfigMock = vi.fn();
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vi.mock("@/lib/api", () => ({
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settingsApi: {
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openFileDialog: (...args: unknown[]) => openFileDialogMock(...args),
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importConfigFromFile: (...args: unknown[]) => importConfigMock(...args),
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saveFileDialog: (...args: unknown[]) => saveFileDialogMock(...args),
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exportConfigToFile: (...args: unknown[]) => exportConfigMock(...args),
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},
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}));
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beforeEach(() => {
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openFileDialogMock.mockReset();
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importConfigMock.mockReset();
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saveFileDialogMock.mockReset();
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exportConfigMock.mockReset();
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toastSuccessMock.mockReset();
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toastErrorMock.mockReset();
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vi.useFakeTimers();
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});
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afterEach(() => {
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vi.useRealTimers();
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});
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describe("useImportExport Hook", () => {
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it("should update state after successfully selecting file", async () => {
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openFileDialogMock.mockResolvedValue("/path/config.json");
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const { result } = renderHook(() => useImportExport());
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await act(async () => {
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await result.current.selectImportFile();
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});
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expect(result.current.selectedFile).toBe("/path/config.json");
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expect(result.current.status).toBe("idle");
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expect(result.current.errorMessage).toBeNull();
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});
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it("should show error toast and keep initial state when file dialog fails", async () => {
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openFileDialogMock.mockRejectedValue(new Error("file dialog error"));
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const { result } = renderHook(() => useImportExport());
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await act(async () => {
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await result.current.selectImportFile();
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});
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expect(toastErrorMock).toHaveBeenCalledTimes(1);
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expect(result.current.selectedFile).toBe("");
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expect(result.current.status).toBe("idle");
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});
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it("should show error and return early when no file is selected for import", async () => {
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const { result } = renderHook(() =>
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useImportExport({ onImportSuccess: vi.fn() }),
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);
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await act(async () => {
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await result.current.importConfig();
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});
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expect(toastErrorMock).toHaveBeenCalledTimes(1);
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expect(importConfigMock).not.toHaveBeenCalled();
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expect(result.current.status).toBe("idle");
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});
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it("should set success status, record backup ID, and call callback on successful import", async () => {
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openFileDialogMock.mockResolvedValue("/config.json");
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importConfigMock.mockResolvedValue({
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success: true,
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backupId: "backup-123",
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});
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const onImportSuccess = vi.fn();
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const { result } = renderHook(() =>
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useImportExport({ onImportSuccess }),
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);
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await act(async () => {
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await result.current.selectImportFile();
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});
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await act(async () => {
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await result.current.importConfig();
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});
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expect(importConfigMock).toHaveBeenCalledWith("/config.json");
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expect(result.current.status).toBe("success");
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expect(result.current.backupId).toBe("backup-123");
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expect(toastSuccessMock).toHaveBeenCalledTimes(1);
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// Skip delay to execute callback
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await act(async () => {
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vi.runOnlyPendingTimers();
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});
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expect(onImportSuccess).toHaveBeenCalledTimes(1);
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});
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it("should show error message and keep selected file when import result fails", async () => {
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openFileDialogMock.mockResolvedValue("/config.json");
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importConfigMock.mockResolvedValue({
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success: false,
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message: "Config corrupted",
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});
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const { result } = renderHook(() => useImportExport());
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await act(async () => {
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await result.current.selectImportFile();
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});
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await act(async () => {
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await result.current.importConfig();
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});
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expect(result.current.status).toBe("error");
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expect(result.current.errorMessage).toBe("Config corrupted");
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expect(result.current.selectedFile).toBe("/config.json");
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expect(toastErrorMock).toHaveBeenCalledWith("Config corrupted");
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});
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it("should catch and display error when import process throws exception", async () => {
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openFileDialogMock.mockResolvedValue("/config.json");
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importConfigMock.mockRejectedValue(new Error("Import failed"));
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const { result } = renderHook(() => useImportExport());
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await act(async () => {
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await result.current.selectImportFile();
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});
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await act(async () => {
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await result.current.importConfig();
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});
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expect(result.current.status).toBe("error");
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expect(result.current.errorMessage).toBe("Import failed");
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expect(toastErrorMock).toHaveBeenCalledWith(
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expect.stringContaining("导入配置失败:"),
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);
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});
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it("should export successfully with default filename and show path in toast", async () => {
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saveFileDialogMock.mockResolvedValue("/export.json");
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exportConfigMock.mockResolvedValue({
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success: true,
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filePath: "/backup/export.json",
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});
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const { result } = renderHook(() => useImportExport());
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await act(async () => {
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await result.current.exportConfig();
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});
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expect(saveFileDialogMock).toHaveBeenCalledTimes(1);
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expect(exportConfigMock).toHaveBeenCalledWith("/export.json");
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expect(toastSuccessMock).toHaveBeenCalledWith(
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expect.stringContaining("/backup/export.json"),
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);
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});
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it("should show error message when export fails", async () => {
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saveFileDialogMock.mockResolvedValue("/export.json");
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exportConfigMock.mockResolvedValue({
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success: false,
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message: "Write failed",
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});
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const { result } = renderHook(() => useImportExport());
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await act(async () => {
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await result.current.exportConfig();
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});
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expect(toastErrorMock).toHaveBeenCalledWith(
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expect.stringContaining("Write failed"),
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);
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});
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it("should catch and show error when export throws exception", async () => {
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saveFileDialogMock.mockResolvedValue("/export.json");
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exportConfigMock.mockRejectedValue(new Error("Disk read-only"));
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const { result } = renderHook(() => useImportExport());
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await act(async () => {
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await result.current.exportConfig();
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});
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expect(toastErrorMock).toHaveBeenCalledWith(
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expect.stringContaining("Disk read-only"),
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);
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});
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it("should show error and return when user cancels save dialog during export", async () => {
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saveFileDialogMock.mockResolvedValue(null);
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const { result } = renderHook(() => useImportExport());
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await act(async () => {
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await result.current.exportConfig();
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});
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expect(exportConfigMock).not.toHaveBeenCalled();
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expect(toastErrorMock).toHaveBeenCalledTimes(1);
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});
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it("should restore initial values when clearing selection and resetting status", async () => {
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openFileDialogMock.mockResolvedValue("/config.json");
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const { result } = renderHook(() => useImportExport());
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await act(async () => {
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await result.current.selectImportFile();
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});
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act(() => {
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result.current.clearSelection();
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});
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expect(result.current.selectedFile).toBe("");
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expect(result.current.status).toBe("idle");
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act(() => {
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result.current.resetStatus();
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});
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expect(result.current.errorMessage).toBeNull();
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expect(result.current.backupId).toBeNull();
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});
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});
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