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50 lines
1.8 KiB
TypeScript
50 lines
1.8 KiB
TypeScript
/* eslint-disable @stylistic/js/array-element-newline */
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import { isAnimatedGif, isAnimatedWebp } from './profile-avatar-image.service';
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describe('profile-avatar image animation detection', () => {
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it('detects animated gifs with multiple frames', () => {
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const animatedGif = new Uint8Array([
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0x47, 0x49, 0x46, 0x38, 0x39, 0x61,
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0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
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0x2C, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x02, 0x44, 0x01, 0x00,
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0x2C, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x02, 0x44, 0x01, 0x00,
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0x3B
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]).buffer;
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expect(isAnimatedGif(animatedGif)).toBe(true);
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});
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it('does not mark single-frame gifs as animated', () => {
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const staticGif = new Uint8Array([
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0x47, 0x49, 0x46, 0x38, 0x39, 0x61,
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0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
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0x2C, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x02, 0x02, 0x44, 0x01, 0x00,
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0x3B
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]).buffer;
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expect(isAnimatedGif(staticGif)).toBe(false);
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});
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it('detects animated webp files from the VP8X animation flag', () => {
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const animatedWebp = new Uint8Array([
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0x52, 0x49, 0x46, 0x46, 0x16, 0x00, 0x00, 0x00,
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0x57, 0x45, 0x42, 0x50,
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0x56, 0x50, 0x38, 0x58, 0x0A, 0x00, 0x00, 0x00,
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0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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]).buffer;
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expect(isAnimatedWebp(animatedWebp)).toBe(true);
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});
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it('does not mark static webp files as animated', () => {
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const staticWebp = new Uint8Array([
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0x52, 0x49, 0x46, 0x46, 0x16, 0x00, 0x00, 0x00,
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0x57, 0x45, 0x42, 0x50,
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0x56, 0x50, 0x38, 0x58, 0x0A, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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]).buffer;
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expect(isAnimatedWebp(staticWebp)).toBe(false);
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});
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});
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