85 lines
3.1 KiB
TypeScript
85 lines
3.1 KiB
TypeScript
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
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const mockSaveFn = vi.fn<(blockId: string, text: string) => Promise<void>>();
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const { createBlockAutoSave } = await import('../useBlockAutoSave.svelte');
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describe('createBlockAutoSave', () => {
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beforeEach(() => {
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vi.useFakeTimers();
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mockSaveFn.mockClear();
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mockSaveFn.mockResolvedValue(undefined);
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});
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afterEach(() => {
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vi.useRealTimers();
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});
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it('getSaveState returns idle initially', () => {
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const as = createBlockAutoSave({ saveFn: mockSaveFn, documentId: 'doc-1' });
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expect(as.getSaveState('block-1')).toBe('idle');
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});
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it('debounce coalesces multiple changes — saves once after 1500ms', async () => {
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const as = createBlockAutoSave({ saveFn: mockSaveFn, documentId: 'doc-1' });
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as.handleTextChange('block-1', 'text 1');
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as.handleTextChange('block-1', 'text 2');
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as.handleTextChange('block-1', 'text 3');
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await vi.advanceTimersByTimeAsync(1500);
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expect(mockSaveFn).toHaveBeenCalledTimes(1);
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expect(mockSaveFn).toHaveBeenCalledWith('block-1', 'text 3');
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});
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it('handles concurrent blocks independently', async () => {
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const as = createBlockAutoSave({ saveFn: mockSaveFn, documentId: 'doc-1' });
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as.handleTextChange('block-1', 'hello');
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as.handleTextChange('block-2', 'world');
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await vi.advanceTimersByTimeAsync(1500);
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expect(mockSaveFn).toHaveBeenCalledTimes(2);
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});
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it('sets save state to saving then saved on success', async () => {
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const as = createBlockAutoSave({ saveFn: mockSaveFn, documentId: 'doc-1' });
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as.handleTextChange('block-1', 'text');
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vi.advanceTimersByTime(1500);
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expect(as.getSaveState('block-1')).toBe('saving');
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await Promise.resolve();
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expect(as.getSaveState('block-1')).toBe('saved');
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});
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it('sets save state to error on save failure', async () => {
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mockSaveFn.mockRejectedValue(new Error('save failed'));
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const as = createBlockAutoSave({ saveFn: mockSaveFn, documentId: 'doc-1' });
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as.handleTextChange('block-1', 'text');
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await vi.advanceTimersByTimeAsync(1500);
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expect(as.getSaveState('block-1')).toBe('error');
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});
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it('handleRetry saves with provided current text', async () => {
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mockSaveFn.mockRejectedValueOnce(new Error('first fails'));
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mockSaveFn.mockResolvedValueOnce(undefined);
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const as = createBlockAutoSave({ saveFn: mockSaveFn, documentId: 'doc-1' });
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as.handleTextChange('block-1', 'original');
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await vi.advanceTimersByTimeAsync(1500);
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expect(as.getSaveState('block-1')).toBe('error');
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await as.handleRetry('block-1', 'original');
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expect(mockSaveFn).toHaveBeenCalledTimes(2);
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expect(as.getSaveState('block-1')).toBe('saved');
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});
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it('clearBlock removes all state for a block', () => {
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const as = createBlockAutoSave({ saveFn: mockSaveFn, documentId: 'doc-1' });
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as.handleTextChange('block-1', 'text');
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as.clearBlock('block-1');
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expect(as.getSaveState('block-1')).toBe('idle');
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});
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it('destroy clears all pending timers so no save occurs', async () => {
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const as = createBlockAutoSave({ saveFn: mockSaveFn, documentId: 'doc-1' });
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as.handleTextChange('block-1', 'text');
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as.destroy();
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await vi.advanceTimersByTimeAsync(2000);
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expect(mockSaveFn).not.toHaveBeenCalled();
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});
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});
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