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| 1 | +import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest' |
| 2 | +import { renderHook, act } from '@testing-library/react' |
| 3 | +import { useFormDraft, clearExpiredDrafts } from '@/hooks/use-form-draft' |
| 4 | + |
| 5 | +describe('useFormDraft', () => { |
| 6 | + beforeEach(() => { |
| 7 | + localStorage.clear() |
| 8 | + vi.useFakeTimers() |
| 9 | + }) |
| 10 | + |
| 11 | + afterEach(() => { |
| 12 | + vi.useRealTimers() |
| 13 | + }) |
| 14 | + |
| 15 | + it('auto-saves the value after the debounce window', () => { |
| 16 | + const onChange = vi.fn() |
| 17 | + const { rerender } = renderHook( |
| 18 | + ({ value }) => useFormDraft('test-key', value, onChange), |
| 19 | + { initialProps: { value: { foo: 'bar' } } }, |
| 20 | + ) |
| 21 | + rerender({ value: { foo: 'baz' } }) |
| 22 | + |
| 23 | + act(() => { |
| 24 | + vi.advanceTimersByTime(500) |
| 25 | + }) |
| 26 | + |
| 27 | + const raw = localStorage.getItem('flowstar_draft_test-key') |
| 28 | + expect(raw).not.toBeNull() |
| 29 | + expect(JSON.parse(raw!).data).toEqual({ foo: 'baz' }) |
| 30 | + }) |
| 31 | + |
| 32 | + it('does not save when disabled', () => { |
| 33 | + const onChange = vi.fn() |
| 34 | + renderHook(() => useFormDraft('disabled-key', { foo: 'bar' }, onChange, false)) |
| 35 | + act(() => { |
| 36 | + vi.advanceTimersByTime(1000) |
| 37 | + }) |
| 38 | + expect(localStorage.getItem('flowstar_draft_disabled-key')).toBeNull() |
| 39 | + }) |
| 40 | + |
| 41 | + it('restore calls onChange with the saved draft', () => { |
| 42 | + localStorage.setItem( |
| 43 | + 'flowstar_draft_restore-key', |
| 44 | + JSON.stringify({ data: { foo: 'restored' }, savedAt: Date.now() }), |
| 45 | + ) |
| 46 | + const onChange = vi.fn() |
| 47 | + const { result } = renderHook(() => |
| 48 | + useFormDraft('restore-key', { foo: 'bar' }, onChange), |
| 49 | + ) |
| 50 | + act(() => { |
| 51 | + result.current.restore() |
| 52 | + }) |
| 53 | + expect(onChange).toHaveBeenCalledWith({ foo: 'restored' }) |
| 54 | + }) |
| 55 | + |
| 56 | + it('loadDraft returns null for an expired draft and clears storage', () => { |
| 57 | + localStorage.setItem( |
| 58 | + 'flowstar_draft_expired-key', |
| 59 | + JSON.stringify({ data: { foo: 'old' }, savedAt: Date.now() - 25 * 60 * 60 * 1000 }), |
| 60 | + ) |
| 61 | + const onChange = vi.fn() |
| 62 | + const { result } = renderHook(() => |
| 63 | + useFormDraft('expired-key', { foo: 'bar' }, onChange), |
| 64 | + ) |
| 65 | + expect(result.current.loadDraft()).toBeNull() |
| 66 | + expect(localStorage.getItem('flowstar_draft_expired-key')).toBeNull() |
| 67 | + }) |
| 68 | + |
| 69 | + it('discard removes the stored draft', () => { |
| 70 | + localStorage.setItem( |
| 71 | + 'flowstar_draft_discard-key', |
| 72 | + JSON.stringify({ data: { foo: 'bar' }, savedAt: Date.now() }), |
| 73 | + ) |
| 74 | + const onChange = vi.fn() |
| 75 | + const { result } = renderHook(() => |
| 76 | + useFormDraft('discard-key', { foo: 'bar' }, onChange), |
| 77 | + ) |
| 78 | + act(() => { |
| 79 | + result.current.discard() |
| 80 | + }) |
| 81 | + expect(localStorage.getItem('flowstar_draft_discard-key')).toBeNull() |
| 82 | + }) |
| 83 | +}) |
| 84 | + |
| 85 | +describe('clearExpiredDrafts', () => { |
| 86 | + beforeEach(() => { |
| 87 | + localStorage.clear() |
| 88 | + }) |
| 89 | + |
| 90 | + it('removes only expired draft entries', () => { |
| 91 | + localStorage.setItem( |
| 92 | + 'flowstar_draft_fresh', |
| 93 | + JSON.stringify({ data: {}, savedAt: Date.now() }), |
| 94 | + ) |
| 95 | + localStorage.setItem( |
| 96 | + 'flowstar_draft_old', |
| 97 | + JSON.stringify({ data: {}, savedAt: Date.now() - 25 * 60 * 60 * 1000 }), |
| 98 | + ) |
| 99 | + clearExpiredDrafts() |
| 100 | + expect(localStorage.getItem('flowstar_draft_fresh')).not.toBeNull() |
| 101 | + expect(localStorage.getItem('flowstar_draft_old')).toBeNull() |
| 102 | + }) |
| 103 | +}) |
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