| 1 | import { beforeEach, describe, expect, it, vi } from 'vitest' |
| 2 | |
| 3 | const ipcState = vi.hoisted(() => ({ |
| 4 | generateStylePreview: vi.fn() |
| 5 | })) |
| 6 | |
| 7 | vi.mock('@renderer/lib/ipc', () => ({ |
| 8 | ipc: ipcState |
| 9 | })) |
| 10 | |
| 11 | describe('useStylePreviewStore', () => { |
| 12 | beforeEach(async () => { |
| 13 | vi.resetModules() |
| 14 | ipcState.generateStylePreview.mockReset() |
| 15 | }) |
| 16 | |
| 17 | it('keeps the running style across consumers and prevents duplicate generation', async () => { |
| 18 | let finishGeneration: (() => void) | undefined |
| 19 | ipcState.generateStylePreview.mockImplementation( |
| 20 | () => |
| 21 | new Promise<void>((resolve) => { |
| 22 | finishGeneration = resolve |
| 23 | }) |
| 24 | ) |
| 25 | const { useStylePreviewStore } = await import( |
| 26 | '../../../src/renderer/src/store/stylePreviewStore' |
| 27 | ) |
| 28 | |
| 29 | const firstRun = useStylePreviewStore.getState().generatePreview('paper-story') |
| 30 | expect(useStylePreviewStore.getState().generatingStyleId).toBe('paper-story') |
| 31 | await expect( |
| 32 | useStylePreviewStore.getState().generatePreview('another-style') |
| 33 | ).resolves.toBe(false) |
| 34 | expect(ipcState.generateStylePreview).toHaveBeenCalledOnce() |
| 35 | |
| 36 | finishGeneration?.() |
| 37 | await expect(firstRun).resolves.toBe(true) |
| 38 | expect(useStylePreviewStore.getState()).toMatchObject({ |
| 39 | generatingStyleId: '', |
| 40 | completionVersion: 1 |
| 41 | }) |
| 42 | }) |
| 43 | |
| 44 | it('refreshes style data after a failed generation attempt', async () => { |
| 45 | ipcState.generateStylePreview.mockRejectedValue(new Error('thumbnail failed')) |
| 46 | const { useStylePreviewStore } = await import( |
| 47 | '../../../src/renderer/src/store/stylePreviewStore' |
| 48 | ) |
| 49 | |
| 50 | await expect( |
| 51 | useStylePreviewStore.getState().generatePreview('paper-story') |
| 52 | ).rejects.toThrow('thumbnail failed') |
| 53 | |
| 54 | expect(useStylePreviewStore.getState()).toMatchObject({ |
| 55 | generatingStyleId: '', |
| 56 | completionVersion: 1 |
| 57 | }) |
| 58 | }) |
| 59 | }) |
| 60 |