feat: add registry
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@@ -1,5 +1,10 @@
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import { describe, expect, it } from 'vitest';
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import { imageInfo } from './analyze';
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import {
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hasTransparency,
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imageInfo,
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isGrayscale,
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orientationOf
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} from './analyze';
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import { makeImage } from './test-helpers';
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describe('imageInfo', () => {
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@@ -43,3 +48,29 @@ describe('imageInfo', () => {
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expect(info.height).toBe(3);
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});
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});
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describe('isGrayscale', () => {
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it('серые пиксели — монохром', () => {
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expect(isGrayscale(makeImage(1, 1, [[10, 10, 10, 255]]))).toBe(true);
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});
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it('цветной пиксель ломает монохром', () => {
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expect(isGrayscale(makeImage(1, 1, [[10, 11, 10, 255]]))).toBe(false);
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});
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});
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describe('hasTransparency', () => {
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it('альфа ниже 255 — прозрачность есть', () => {
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expect(hasTransparency(makeImage(1, 1, [[0, 0, 0, 254]]))).toBe(true);
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});
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it('все пиксели непрозрачны', () => {
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expect(hasTransparency(makeImage(1, 1, [[0, 0, 0, 255]]))).toBe(false);
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});
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});
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describe('orientationOf', () => {
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it('определяет ориентацию', () => {
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expect(orientationOf(makeImage(2, 3, new Array(6).fill([1, 1, 1, 1])))).toBe('portrait');
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expect(orientationOf(makeImage(3, 2, new Array(6).fill([1, 1, 1, 1])))).toBe('landscape');
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expect(orientationOf(makeImage(2, 2, new Array(4).fill([1, 1, 1, 1])))).toBe('square');
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});
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});
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