Feat/frontend tests (#62)

* test(frontend): add vitest test infrastructure - Add vitest, testing-library, jsdom dependencies - Configure vitest with jsdom environment - Add test setup with mocks for fetch, localStorage, matchMedia - Set 75% coverage threshold * Add frontend tests (#61) * Initial plan * Add frontend tests - utilities, hooks, and components (21% coverage) Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> * Add more component tests (Auth, AboutModal, ExportModal) and useRefill hook tests - 30% coverage Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> * Add useMedicationForm utility function tests - 30% coverage Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> * Add AppHeader tests and more schedule.ts tests - 32% coverage Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> * Changes before error encountered Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> * Fix page tests and add more tests - 326 tests passing, 34% coverage Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> * Add tests for ProfileModal, UserFilterModal, MedDetailModal - 361 tests, 36% coverage Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> * Add SharedSchedule tests - 366 tests, 39% coverage Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> * Expand page tests - 383 tests, 39% coverage Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> * Add MobileEditModal tests - 409 tests, 40% coverage Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> * Expand Dashboard and Schedule page tests - 427 tests, 40% coverage Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> * Fix code review issues - remove invalid remindEnabled property Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com> --------- Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com> Co-authored-by: DanielVolz <3275994+DanielVolz@users.noreply.github.com>
2026-01-22 10:25:11 +01:00
parent 8718311876
commit fd055a3a2a
36 changed files with 7602 additions and 3 deletions
@@ -0,0 +1,74 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { renderHook, act } from '@testing-library/react';
+import { useTheme } from '../../hooks/useTheme';
+
+describe('useTheme', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    (window.localStorage.getItem as ReturnType<typeof vi.fn>).mockReturnValue(null);
+    // Reset mock to default behavior
+    (window.localStorage.setItem as ReturnType<typeof vi.fn>).mockImplementation(() => {});
+  });
+
+  afterEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('returns dark as default theme', () => {
+    const { result } = renderHook(() => useTheme());
+    expect(result.current.theme).toBe('dark');
+  });
+
+  it('reads theme from localStorage', () => {
+    (window.localStorage.getItem as ReturnType<typeof vi.fn>).mockReturnValue('light');
+    const { result } = renderHook(() => useTheme());
+    expect(result.current.theme).toBe('light');
+  });
+
+  it('toggles theme from dark to light', () => {
+    const { result } = renderHook(() => useTheme());
+    
+    expect(result.current.theme).toBe('dark');
+    
+    act(() => {
+      result.current.toggleTheme();
+    });
+    
+    expect(result.current.theme).toBe('light');
+  });
+
+  it('toggles theme from light to dark', () => {
+    (window.localStorage.getItem as ReturnType<typeof vi.fn>).mockReturnValue('light');
+    const { result } = renderHook(() => useTheme());
+    
+    expect(result.current.theme).toBe('light');
+    
+    act(() => {
+      result.current.toggleTheme();
+    });
+    
+    expect(result.current.theme).toBe('dark');
+  });
+
+  it('saves theme to localStorage on change', () => {
+    const { result } = renderHook(() => useTheme());
+    
+    act(() => {
+      result.current.toggleTheme();
+    });
+    
+    expect(window.localStorage.setItem).toHaveBeenCalledWith('theme', 'light');
+  });
+
+  it('sets data-theme attribute on document', () => {
+    const { result } = renderHook(() => useTheme());
+    
+    expect(document.documentElement.getAttribute('data-theme')).toBe('dark');
+    
+    act(() => {
+      result.current.toggleTheme();
+    });
+    
+    expect(document.documentElement.getAttribute('data-theme')).toBe('light');
+  });
+});