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| 1 | +import type { BrowserWindow } from 'electron' |
| 2 | +import { describe, expect, it, vi } from 'vitest' |
| 3 | + |
| 4 | +import { WINDOW_BACKGROUND_BLUR_MAX_RADIUS } from '@/shared/settings' |
| 5 | + |
| 6 | +import { |
| 7 | + applyWindowBackgroundBlur, |
| 8 | + MAIN_WINDOW_BLURRED_BACKGROUND, |
| 9 | + getMainWindowBackgroundColor, |
| 10 | + MAIN_WINDOW_OPAQUE_BACKGROUND, |
| 11 | + normalizeWindowBackgroundBlurRadius, |
| 12 | +} from './windowBackgroundBlur' |
| 13 | + |
| 14 | +/** |
| 15 | + * Build the minimal BrowserWindow/contentView surface the blur mutator uses. |
| 16 | + * @param supportsBlur - Whether the mocked contentView exposes Electron 42 blur. |
| 17 | + * @param supportsViewBackgroundColor - Whether contentView background updates exist. |
| 18 | + * @returns Mock window plus spies for assertions. |
| 19 | + * @example |
| 20 | + * const { window } = makeWindowMock(true) |
| 21 | + * applyWindowBackgroundBlur(window, 12) |
| 22 | + */ |
| 23 | +function makeWindowMock( |
| 24 | + supportsBlur: boolean, |
| 25 | + supportsViewBackgroundColor = true, |
| 26 | +) { |
| 27 | + const contentView = { |
| 28 | + ...(supportsViewBackgroundColor ? { setBackgroundColor: vi.fn() } : {}), |
| 29 | + ...(supportsBlur ? { setBackgroundBlur: vi.fn() } : {}), |
| 30 | + } |
| 31 | + const window = { |
| 32 | + setBackgroundColor: vi.fn(), |
| 33 | + contentView, |
| 34 | + } as unknown as BrowserWindow |
| 35 | + return { window, contentView } |
| 36 | +} |
| 37 | + |
| 38 | +/** |
| 39 | + * Pure helpers around Electron 42 background blur. The BrowserWindow mutator |
| 40 | + * itself is covered by integration/e2e; these tests pin the clamping and alpha |
| 41 | + * color contract before values reach Electron. |
| 42 | + */ |
| 43 | +describe('windowBackgroundBlur helpers', () => { |
| 44 | + it('clamps persisted blur radius values to the supported range', () => { |
| 45 | + expect(normalizeWindowBackgroundBlurRadius(-12)).toBe(0) |
| 46 | + expect(normalizeWindowBackgroundBlurRadius(12.9)).toBe(12) |
| 47 | + expect(normalizeWindowBackgroundBlurRadius(99)).toBe( |
| 48 | + WINDOW_BACKGROUND_BLUR_MAX_RADIUS, |
| 49 | + ) |
| 50 | + }) |
| 51 | + |
| 52 | + it('uses an opaque background when blur is disabled', () => { |
| 53 | + expect(getMainWindowBackgroundColor(0)).toBe(MAIN_WINDOW_OPAQUE_BACKGROUND) |
| 54 | + }) |
| 55 | + |
| 56 | + it('uses an alpha background when blur is enabled', () => { |
| 57 | + expect(getMainWindowBackgroundColor(12)).toBe( |
| 58 | + MAIN_WINDOW_BLURRED_BACKGROUND, |
| 59 | + ) |
| 60 | + }) |
| 61 | + |
| 62 | + it('applies opaque color and zero blur when the radius is disabled', () => { |
| 63 | + const { window, contentView } = makeWindowMock(true) |
| 64 | + |
| 65 | + applyWindowBackgroundBlur(window, 0) |
| 66 | + |
| 67 | + expect(window.setBackgroundColor).toHaveBeenCalledWith( |
| 68 | + MAIN_WINDOW_OPAQUE_BACKGROUND, |
| 69 | + ) |
| 70 | + expect(contentView.setBackgroundColor).toHaveBeenCalledWith( |
| 71 | + MAIN_WINDOW_OPAQUE_BACKGROUND, |
| 72 | + ) |
| 73 | + expect(contentView.setBackgroundBlur).toHaveBeenCalledWith(0) |
| 74 | + }) |
| 75 | + |
| 76 | + it('applies alpha color and clamped blur when Electron 42 blur is available', () => { |
| 77 | + const { window, contentView } = makeWindowMock(true) |
| 78 | + |
| 79 | + applyWindowBackgroundBlur(window, WINDOW_BACKGROUND_BLUR_MAX_RADIUS + 1) |
| 80 | + |
| 81 | + expect(window.setBackgroundColor).toHaveBeenCalledWith( |
| 82 | + MAIN_WINDOW_BLURRED_BACKGROUND, |
| 83 | + ) |
| 84 | + expect(contentView.setBackgroundColor).toHaveBeenCalledWith( |
| 85 | + MAIN_WINDOW_BLURRED_BACKGROUND, |
| 86 | + ) |
| 87 | + expect(contentView.setBackgroundBlur).toHaveBeenCalledWith( |
| 88 | + WINDOW_BACKGROUND_BLUR_MAX_RADIUS, |
| 89 | + ) |
| 90 | + }) |
| 91 | + |
| 92 | + it('skips blur safely when Electron exposes no setBackgroundBlur method', () => { |
| 93 | + const { window, contentView } = makeWindowMock(false) |
| 94 | + |
| 95 | + expect(() => applyWindowBackgroundBlur(window, 12)).not.toThrow() |
| 96 | + expect(window.setBackgroundColor).toHaveBeenCalledWith( |
| 97 | + MAIN_WINDOW_BLURRED_BACKGROUND, |
| 98 | + ) |
| 99 | + expect(contentView.setBackgroundColor).toHaveBeenCalledWith( |
| 100 | + MAIN_WINDOW_BLURRED_BACKGROUND, |
| 101 | + ) |
| 102 | + expect('setBackgroundBlur' in contentView).toBe(false) |
| 103 | + }) |
| 104 | + |
| 105 | + it('skips contentView background safely when the method is absent', () => { |
| 106 | + const { window, contentView } = makeWindowMock(true, false) |
| 107 | + |
| 108 | + expect(() => applyWindowBackgroundBlur(window, 12)).not.toThrow() |
| 109 | + expect(window.setBackgroundColor).toHaveBeenCalledWith( |
| 110 | + MAIN_WINDOW_BLURRED_BACKGROUND, |
| 111 | + ) |
| 112 | + expect('setBackgroundColor' in contentView).toBe(false) |
| 113 | + expect(contentView.setBackgroundBlur).toHaveBeenCalledWith(12) |
| 114 | + }) |
| 115 | +}) |
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