142 lines
4.5 KiB
TypeScript
142 lines
4.5 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { LeagueCoverViewDataBuilder } from './LeagueCoverViewDataBuilder';
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import type { MediaBinaryDTO } from '@/lib/types/generated/MediaBinaryDTO';
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describe('LeagueCoverViewDataBuilder', () => {
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describe('happy paths', () => {
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it('should transform MediaBinaryDTO to LeagueCoverViewData correctly', () => {
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const buffer = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
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const mediaDto: MediaBinaryDTO = {
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buffer: buffer.buffer,
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contentType: 'image/png',
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};
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const result = LeagueCoverViewDataBuilder.build(mediaDto);
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expect(result.buffer).toBe(Buffer.from(buffer).toString('base64'));
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expect(result.contentType).toBe('image/png');
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});
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it('should handle JPEG cover images', () => {
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const buffer = new Uint8Array([0xff, 0xd8, 0xff, 0xe0]);
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const mediaDto: MediaBinaryDTO = {
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buffer: buffer.buffer,
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contentType: 'image/jpeg',
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};
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const result = LeagueCoverViewDataBuilder.build(mediaDto);
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expect(result.buffer).toBe(Buffer.from(buffer).toString('base64'));
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expect(result.contentType).toBe('image/jpeg');
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});
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it('should handle WebP cover images', () => {
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const buffer = new Uint8Array([0x52, 0x49, 0x46, 0x46]);
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const mediaDto: MediaBinaryDTO = {
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buffer: buffer.buffer,
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contentType: 'image/webp',
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};
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const result = LeagueCoverViewDataBuilder.build(mediaDto);
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expect(result.buffer).toBe(Buffer.from(buffer).toString('base64'));
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expect(result.contentType).toBe('image/webp');
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});
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});
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describe('data transformation', () => {
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it('should preserve all DTO fields in the output', () => {
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const buffer = new Uint8Array([0x89, 0x50, 0x4e, 0x47]);
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const mediaDto: MediaBinaryDTO = {
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buffer: buffer.buffer,
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contentType: 'image/png',
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};
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const result = LeagueCoverViewDataBuilder.build(mediaDto);
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expect(result.buffer).toBeDefined();
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expect(result.contentType).toBe(mediaDto.contentType);
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});
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it('should not modify the input DTO', () => {
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const buffer = new Uint8Array([0x89, 0x50, 0x4e, 0x47]);
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const mediaDto: MediaBinaryDTO = {
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buffer: buffer.buffer,
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contentType: 'image/png',
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};
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const originalDto = { ...mediaDto };
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LeagueCoverViewDataBuilder.build(mediaDto);
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expect(mediaDto).toEqual(originalDto);
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});
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it('should convert buffer to base64 string', () => {
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const buffer = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
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const mediaDto: MediaBinaryDTO = {
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buffer: buffer.buffer,
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contentType: 'image/png',
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};
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const result = LeagueCoverViewDataBuilder.build(mediaDto);
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expect(typeof result.buffer).toBe('string');
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expect(result.buffer).toBe(Buffer.from(buffer).toString('base64'));
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});
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});
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describe('edge cases', () => {
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it('should handle empty buffer', () => {
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const buffer = new Uint8Array([]);
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const mediaDto: MediaBinaryDTO = {
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buffer: buffer.buffer,
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contentType: 'image/png',
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};
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const result = LeagueCoverViewDataBuilder.build(mediaDto);
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expect(result.buffer).toBe('');
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expect(result.contentType).toBe('image/png');
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});
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it('should handle large cover images', () => {
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const buffer = new Uint8Array(2 * 1024 * 1024); // 2MB
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const mediaDto: MediaBinaryDTO = {
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buffer: buffer.buffer,
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contentType: 'image/jpeg',
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};
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const result = LeagueCoverViewDataBuilder.build(mediaDto);
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expect(result.buffer).toBe(Buffer.from(buffer).toString('base64'));
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expect(result.contentType).toBe('image/jpeg');
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});
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it('should handle buffer with all zeros', () => {
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const buffer = new Uint8Array([0x00, 0x00, 0x00, 0x00]);
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const mediaDto: MediaBinaryDTO = {
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buffer: buffer.buffer,
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contentType: 'image/png',
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};
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const result = LeagueCoverViewDataBuilder.build(mediaDto);
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expect(result.buffer).toBe(Buffer.from(buffer).toString('base64'));
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expect(result.contentType).toBe('image/png');
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});
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it('should handle buffer with all ones', () => {
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const buffer = new Uint8Array([0xff, 0xff, 0xff, 0xff]);
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const mediaDto: MediaBinaryDTO = {
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buffer: buffer.buffer,
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contentType: 'image/png',
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};
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const result = LeagueCoverViewDataBuilder.build(mediaDto);
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expect(result.buffer).toBe(Buffer.from(buffer).toString('base64'));
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expect(result.contentType).toBe('image/png');
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});
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});
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});
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