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Home ganha a seção Faça parte com os três modelos e a rota /cards concentra catálogo + compositor client-side (dialog desktop, bottom drawer mobile): nome no slot medido do mestre com Brexter 700 e foto full-bleed sob o overlay oficial (pan/zoom clampados), download PNG sem conta e sem enviar nome/foto. Núcleo puro em src/lib/card* com unit tests; e2e cobre home→deep-link, nome→PNG real, erro fail-closed, foto e drawer mobile. Sem migration/PII.
118 lines
4 KiB
TypeScript
118 lines
4 KiB
TypeScript
import { describe, expect, it } from 'vitest'
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import type { CardRect } from '@/lib/cardModels'
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import {
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CARD_PHOTO_MAX_ZOOM,
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CARD_PHOTO_MIN_ZOOM,
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cardPhotoDrawRect,
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centerCardPhotoTransform,
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clampCardPhotoTransform,
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coverScale,
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panCardPhotoTransform,
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zoomCardPhotoTransform,
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type CardPhotoSize,
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} from '@/lib/cardPhotoTransform'
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const WINDOW: CardRect = { x: 0, y: 0, width: 1000, height: 740 }
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const LANDSCAPE: CardPhotoSize = { width: 2000, height: 1000 }
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const PORTRAIT: CardPhotoSize = { width: 900, height: 1600 }
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const coversWindow = (rect: CardRect, window: CardRect) =>
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rect.x <= window.x &&
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rect.y <= window.y &&
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rect.x + rect.width >= window.x + window.width &&
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rect.y + rect.height >= window.y + window.height
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describe('coverScale', () => {
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it('covers the window on the tighter axis', () => {
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expect(coverScale(LANDSCAPE, WINDOW)).toBeCloseTo(0.74, 5)
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expect(coverScale(PORTRAIT, WINDOW)).toBeCloseTo(1000 / 900, 5)
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})
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it('degrades to 1 for empty sizes instead of dividing by zero', () => {
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expect(coverScale({ width: 0, height: 0 }, WINDOW)).toBe(1)
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})
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})
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describe('centerCardPhotoTransform', () => {
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it('covers the window and centers the photo on it', () => {
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const transform = centerCardPhotoTransform(LANDSCAPE, WINDOW)
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const rect = cardPhotoDrawRect(transform, LANDSCAPE, WINDOW)
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expect(transform).toEqual({ zoom: 1, offsetX: -240, offsetY: 0 })
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expect(coversWindow(rect, WINDOW)).toBe(true)
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})
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it('centers a portrait photo with vertical slack', () => {
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const transform = centerCardPhotoTransform(PORTRAIT, WINDOW)
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const rect = cardPhotoDrawRect(transform, PORTRAIT, WINDOW)
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expect(rect.height).toBeGreaterThan(WINDOW.height)
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expect(rect.y).toBeLessThan(0)
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expect(coversWindow(rect, WINDOW)).toBe(true)
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})
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})
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describe('clampCardPhotoTransform', () => {
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it('clamps the zoom to [1, 4]', () => {
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expect(
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clampCardPhotoTransform({ zoom: 0.2, offsetX: 0, offsetY: 0 }, LANDSCAPE, WINDOW).zoom,
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).toBe(CARD_PHOTO_MIN_ZOOM)
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expect(
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clampCardPhotoTransform({ zoom: 9, offsetX: 0, offsetY: 0 }, LANDSCAPE, WINDOW).zoom,
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).toBe(CARD_PHOTO_MAX_ZOOM)
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})
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it('pins the offsets so no gap can open at the window edges', () => {
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const tooFarRight = clampCardPhotoTransform(
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{ zoom: 1, offsetX: 9999, offsetY: 9999 },
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LANDSCAPE,
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WINDOW,
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)
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const tooFarLeft = clampCardPhotoTransform(
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{ zoom: 1, offsetX: -9999, offsetY: -9999 },
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LANDSCAPE,
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WINDOW,
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)
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expect(tooFarRight).toEqual({ zoom: 1, offsetX: 0, offsetY: 0 })
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expect(tooFarLeft).toEqual({ zoom: 1, offsetX: -480, offsetY: 0 })
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expect(coversWindow(cardPhotoDrawRect(tooFarLeft, LANDSCAPE, WINDOW), WINDOW)).toBe(true)
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})
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})
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describe('panCardPhotoTransform', () => {
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it('nudges the offset and stays clamped', () => {
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const start = centerCardPhotoTransform(LANDSCAPE, WINDOW)
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const panned = panCardPhotoTransform(start, LANDSCAPE, WINDOW, 100, -40)
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expect(panned.offsetX).toBe(-140)
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expect(panned.offsetY).toBe(0)
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const overPanned = panCardPhotoTransform(panned, LANDSCAPE, WINDOW, 9999, 9999)
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expect(overPanned).toEqual({ zoom: 1, offsetX: 0, offsetY: 0 })
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})
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})
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describe('zoomCardPhotoTransform', () => {
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it('keeps the anchor point stable while zooming', () => {
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const start = centerCardPhotoTransform(LANDSCAPE, WINDOW)
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const zoomed = zoomCardPhotoTransform(start, LANDSCAPE, WINDOW, 2, { x: 500, y: 370 })
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const scale = coverScale(LANDSCAPE, WINDOW) * 2
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expect((500 - zoomed.offsetX) / scale).toBeCloseTo((500 - start.offsetX) / (scale / 2), 5)
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expect(coversWindow(cardPhotoDrawRect(zoomed, LANDSCAPE, WINDOW), WINDOW)).toBe(true)
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})
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it('clamps above the max zoom and never opens a gap', () => {
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const zoomed = zoomCardPhotoTransform(
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centerCardPhotoTransform(PORTRAIT, WINDOW),
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PORTRAIT,
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WINDOW,
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99,
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)
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expect(zoomed.zoom).toBe(CARD_PHOTO_MAX_ZOOM)
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expect(coversWindow(cardPhotoDrawRect(zoomed, PORTRAIT, WINDOW), WINDOW)).toBe(true)
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})
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})
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